Further work.

- Throttled progress updates in notifications resolving the notifications not showing under some conditions.
- Properly cancel notifications when interacting with in-app dialogs.
- Added install failed notification.
- Added install success notification.
- Added default behavior for tapping on notifications.
- Fixed crash in install receiver.

.gitattributes

@@ -1,2 +1,6 @@
 aar/* filter=lfs diff=lfs merge=lfs -text
 app/aar/* filter=lfs diff=lfs merge=lfs -text
+app/src/main/jniLibs/arm64-v8a filter=lfs diff=lfs merge=lfs -text
+app/src/main/jniLibs/armeabi-v7a filter=lfs diff=lfs merge=lfs -text
+app/src/main/jniLibs/x86 filter=lfs diff=lfs merge=lfs -text
+app/src/main/jniLibs/x86_64 filter=lfs diff=lfs merge=lfs -text

.gitmodules

@@ -64,12 +64,6 @@
 [submodule "app/src/stable/assets/sources/bilibili"]
 	path = app/src/stable/assets/sources/bilibili
 	url = ../plugins/bilibili.git
-[submodule "app/src/stable/assets/sources/spotify"]
-	path = app/src/stable/assets/sources/spotify
-	url = ../plugins/spotify.git
-[submodule "app/src/unstable/assets/sources/spotify"]
-	path = app/src/unstable/assets/sources/spotify
-	url = ../plugins/spotify.git
 [submodule "app/src/stable/assets/sources/bitchute"]
 	path = app/src/stable/assets/sources/bitchute
 	url = ../plugins/bitchute.git

app/aar/ffmpeg-kit-full-6.0-2.LTS.aar

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ea10d3c5562c9f449a4e89e9c3dfcf881ed79a952f3409bc005bcc62c2cf4b81
-size 65512557

app/aar/ffmpeg-kit.aar

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:22c06ca0d1a5808b2fc0a12227d5915b3126bc0b9b1305cf6bab855f2ec6fcbb
+size 36133152

app/build.gradle

@@ -146,6 +146,7 @@ android {
     }
     sourceSets {
         main {
+            jniLibs.srcDirs = ['src/main/jniLibs']
             assets {
                 srcDirs 'src/main/assets', 'src/tests/assets', 'src/test/assets'
             }
@@ -180,7 +181,7 @@ dependencies {
     implementation 'com.google.code.gson:gson:2.13.2' //Used for complex/anonymous cases like during development conversions (eg. V8RemoteObject)
 
     //JS
-    implementation 'com.caoccao.javet:javet-v8-android:5.0.1'
+    implementation 'com.caoccao.javet:javet-v8-android:4.1.5'
 
     //Exoplayer
     implementation 'androidx.media3:media3-exoplayer:1.8.0'

app/src/main/AndroidManifest.xml

@@ -16,6 +16,9 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC"/>
     <uses-permission android:name="android.permission.WRITE_SETTINGS" tools:ignore="ProtectedPermissions"/>
 
+    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" />
+    <uses-permission android:name="android.permission.READ_MEDIA_AUDIO" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -26,6 +29,8 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.FutoVideo"
         android:usesCleartextTraffic="true"
+        tools:replace="android:enableOnBackInvokedCallback"
+        android:enableOnBackInvokedCallback="false"
         tools:targetApi="31"
         android:largeHeap="true">
         <provider
@@ -58,6 +63,7 @@
             android:configChanges="keyboard|keyboardHidden|orientation|screenSize|smallestScreenSize|screenLayout|uiMode"
             android:exported="true"
             android:theme="@style/Theme.FutoVideo.NoActionBar"
+            android:windowSoftInputMode="adjustPan"
             android:launchMode="singleInstance"
             android:resizeableActivity="true"
             android:supportsPictureInPicture="true">
@@ -242,5 +248,25 @@
             android:name=".activities.PolycentricModerationActivity"
             android:exported="false"
             android:screenOrientation="portrait" />
+        <activity
+            android:name=".activities.QRCodeFullscreenActivity"
+            android:screenOrientation="sensorPortrait"
+            android:theme="@style/Theme.FutoVideo.NoActionBar" />
+        <service
+            android:name=".UpdateDownloadService"
+            android:exported="false"
+            android:foregroundServiceType="dataSync" />
+
+        <receiver
+            android:name=".UpdateActionReceiver"
+            android:exported="false" />
+
+        <activity
+            android:name=".activities.InstallUpdateActivity"
+            android:exported="false"
+            android:theme="@style/Theme.App.TransparentNoUi"
+            android:excludeFromRecents="true"
+            android:finishOnTaskLaunch="true" />
+
     </application>
 </manifest>

app/src/main/assets/devportal/index.html

@@ -1025,18 +1025,21 @@
 
 				let settingsToUse = __DEV_SETTINGS ?? {};
 				if (true) {
-					for (let setting of this.Plugin?.currentPlugin?.settings) {
-						if (typeof settingsToUse[setting.variable] == "undefined") {
-							switch (setting?.type?.toLowerCase()) {
-								case "boolean":
-									settingsToUse[setting.variable] = setting.default === 'true';
-									break;
-								case "dropdown":
-									let dropDownIndex = parseInt(setting.default);
-									if (dropDownIndex) {
-										settingsToUse[setting.variable] = setting.options[dropDownIndex];
-									}
-									break;
+                    const settings = this.Plugin?.currentPlugin?.settings;
+                    if (settings) {
+                    	for (let setting of settings) {
+							if (typeof settingsToUse[setting.variable] == "undefined") {
+								switch (setting?.type?.toLowerCase()) {
+									case "boolean":
+										settingsToUse[setting.variable] = setting.default === 'true';
+										break;
+									case "dropdown":
+										let dropDownIndex = parseInt(setting.default);
+										if (dropDownIndex) {
+											settingsToUse[setting.variable] = setting.options[dropDownIndex];
+										}
+										break;
+								}
 							}
 						}
 					}

app/src/main/java/com/futo/platformplayer/AppCaUpdater.kt

@@ -0,0 +1,43 @@
+package com.futo.platformplayer
+
+import android.content.Context
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.io.File
+import java.net.HttpURLConnection
+import java.net.URL
+
+object AppCaUpdater {
+    private const val CA_URL = "https://curl.se/ca/cacert.pem"
+    private const val CACHE_FILENAME = "curl-ca-bundle.pem"
+    private const val MAX_AGE_DAYS = 30
+
+    suspend fun ensureCaBundle(context: Context): File = withContext(Dispatchers.IO) {
+        val file = File(context.noBackupFilesDir, CACHE_FILENAME)
+        val needsUpdate = !file.exists() || isOlderThanDays(file, MAX_AGE_DAYS)
+        if (needsUpdate) {
+            downloadToFile(CA_URL, file)
+        }
+        return@withContext file
+    }
+
+    private fun isOlderThanDays(file: File, days: Int): Boolean {
+        val ageMs = System.currentTimeMillis() - file.lastModified()
+        return ageMs > days * 24L * 60L * 60L * 1000L
+    }
+
+    private fun downloadToFile(urlStr: String, dest: File) {
+        val conn = (URL(urlStr).openConnection() as HttpURLConnection).apply {
+            connectTimeout = 15000
+            readTimeout = 15000
+            instanceFollowRedirects = true
+        }
+        conn.inputStream.use { input ->
+            dest.parentFile?.mkdirs()
+            dest.outputStream().use { output ->
+                input.copyTo(output)
+            }
+        }
+        conn.disconnect()
+    }
+}

app/src/main/java/com/futo/platformplayer/Extensions_V8.kt

@@ -8,6 +8,7 @@ import com.caoccao.javet.values.reference.V8ValueError
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.caoccao.javet.values.reference.V8ValuePromise
 import com.futo.platformplayer.api.media.platforms.js.JSClient
+import com.futo.platformplayer.api.media.structures.IPager
 import com.futo.platformplayer.engine.IV8PluginConfig
 import com.futo.platformplayer.engine.V8Plugin
 import com.futo.platformplayer.engine.exceptions.ScriptExecutionException
@@ -387,4 +388,15 @@ suspend fun <T> Deferred<T>.awaitCancelConverted(): T {
         }
         throw ex;
     }
+}
+
+fun <T> IPager<T>.toList(): List<T> {
+    val list = this.getResults().toMutableList();
+
+    while(this.hasMorePages()) {
+        this.nextPage();
+        list.addAll(this.getResults());
+    }
+
+    return list.toList();
 }

app/src/main/java/com/futo/platformplayer/Settings.kt

@@ -10,11 +10,11 @@ import com.futo.platformplayer.activities.MainActivity
 import com.futo.platformplayer.activities.ManageTabsActivity
 import com.futo.platformplayer.activities.PolycentricHomeActivity
 import com.futo.platformplayer.activities.PolycentricProfileActivity
-import com.futo.platformplayer.activities.SettingsActivity
 import com.futo.platformplayer.activities.SyncHomeActivity
 import com.futo.platformplayer.api.http.ManagedHttpClient
 import com.futo.platformplayer.constructs.Event0
 import com.futo.platformplayer.fragment.mainactivity.bottombar.MenuBottomBarFragment
+import com.futo.platformplayer.fragment.mainactivity.main.SettingsFragment
 import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.serializers.FlexibleBooleanSerializer
 import com.futo.platformplayer.serializers.OffsetDateTimeSerializer
@@ -42,7 +42,6 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.Transient
-import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import java.io.File
 import java.time.OffsetDateTime
@@ -64,7 +63,7 @@ class Settings : FragmentedStorageFileJson() {
     @FormField(R.string.sync_grayjay, FieldForm.BUTTON, R.string.sync_grayjay_description, -8)
     @FormFieldButton(R.drawable.ic_update)
     fun syncGrayjay() {
-        SettingsActivity.getActivity()?.let {
+        StateApp?.instance?.activity?.let {
             it.startActivity(Intent(it, SyncHomeActivity::class.java))
         }
     }
@@ -73,7 +72,7 @@ class Settings : FragmentedStorageFileJson() {
     @FormField(R.string.manage_polycentric_identity, FieldForm.BUTTON, R.string.manage_your_polycentric_identity, -7)
     @FormFieldButton(R.drawable.ic_person)
     fun managePolycentricIdentity() {
-        SettingsActivity.getActivity()?.let {
+        StateApp?.instance?.activity?.let {
             if (StatePolycentric.instance.enabled) {
                 if (StatePolycentric.instance.processHandle != null) {
                     it.startActivity(Intent(it, PolycentricProfileActivity::class.java));
@@ -91,7 +90,7 @@ class Settings : FragmentedStorageFileJson() {
     fun openFAQ() {
         try {
             val browserIntent = Intent(Intent.ACTION_VIEW, Uri.parse(Settings.URL_FAQ))
-            SettingsActivity.getActivity()?.startActivity(browserIntent);
+            StateApp?.instance?.activity?.startActivity(browserIntent);
         } catch (e: Throwable) {
             //Ignored
         }
@@ -101,7 +100,7 @@ class Settings : FragmentedStorageFileJson() {
     fun openIssues() {
         try {
             val browserIntent = Intent(Intent.ACTION_VIEW, Uri.parse("https://github.com/futo-org/grayjay-android/issues"))
-            SettingsActivity.getActivity()?.startActivity(browserIntent);
+            StateApp?.instance?.activity?.startActivity(browserIntent);
         } catch (e: Throwable) {
             //Ignored
         }
@@ -132,7 +131,7 @@ class Settings : FragmentedStorageFileJson() {
     @FormFieldButton(R.drawable.ic_tabs)
     fun manageTabs() {
         try {
-            SettingsActivity.getActivity()?.let {
+            StateApp?.instance?.activity?.let {
                 it.startActivity(Intent(it, ManageTabsActivity::class.java));
             }
         } catch (e: Throwable) {
@@ -145,7 +144,7 @@ class Settings : FragmentedStorageFileJson() {
     @FormField(R.string.import_data, FieldForm.BUTTON, R.string.import_data_description, -3)
     @FormFieldButton(R.drawable.ic_move_up)
     fun import() {
-        val act = SettingsActivity.getActivity() ?: return;
+        val act = StateApp.instance.activity ?: return;
         val intent = MainActivity.getImportOptionsIntent(act);
         act.startActivity(intent);
     }
@@ -154,7 +153,7 @@ class Settings : FragmentedStorageFileJson() {
     @FormFieldButton(R.drawable.ic_link)
     fun manageLinks() {
         try {
-            SettingsActivity.getActivity()?.let { UIDialogs.showUrlHandlingPrompt(it) }
+            StateApp.instance.activity?.let { UIDialogs.showUrlHandlingPrompt(it) }
         } catch (e: Throwable) {
             Logger.e(TAG, "Failed to show url handling prompt", e)
         }
@@ -163,7 +162,7 @@ class Settings : FragmentedStorageFileJson() {
     /*@FormField(R.string.disable_battery_optimization, FieldForm.BUTTON, R.string.click_to_go_to_battery_optimization_settings_disabling_battery_optimization_will_prevent_the_os_from_killing_media_sessions, -1)
     @FormFieldButton(R.drawable.battery_full_24px)
     fun ignoreBatteryOptimization() {
-        SettingsActivity.getActivity()?.let {
+        StateApp.instance.activity?.let {
             val intent = Intent()
             val packageName = it.packageName
             val pm = it.getSystemService(POWER_SERVICE) as PowerManager;
@@ -244,7 +243,7 @@ class Settings : FragmentedStorageFileJson() {
         fun clearHidden() {
             StateMeta.instance.removeAllHiddenCreators();
             StateMeta.instance.removeAllHiddenVideos();
-            SettingsActivity.getActivity()?.let {
+            StateApp.instance.activity?.let {
                 UIDialogs.toast(it, "Creators and videos should show up again");
             }
         }
@@ -374,9 +373,9 @@ class Settings : FragmentedStorageFileJson() {
 
         @FormField(R.string.clear_channel_cache, FieldForm.BUTTON, R.string.clear_channel_cache_description, 16)
         fun clearChannelCache() {
-            UIDialogs.toast(SettingsActivity.getActivity()!!, "Started clearing..");
+            UIDialogs.toast(StateApp.instance.activity!!, "Started clearing..");
             StateCache.instance.clear();
-            UIDialogs.toast(SettingsActivity.getActivity()!!, "Finished clearing");
+            UIDialogs.toast(StateApp.instance.activity!!, "Finished clearing");
         }
     }
 
@@ -430,6 +429,9 @@ class Settings : FragmentedStorageFileJson() {
             6 -> 1.75f;
             7 -> 2.0f;
             8 -> 2.25f;
+            9 -> 2.5f;
+            10 -> 2.75f;
+            11 -> 3.0f;
             else -> 1.0f;
         };
 
@@ -726,7 +728,7 @@ class Settings : FragmentedStorageFileJson() {
         @AdvancedField
         @FormField(R.string.experimental_cast, FieldForm.TOGGLE, R.string.experimental_cast_description, 6)
         @Serializable(with = FlexibleBooleanSerializer::class)
-        var experimentalCasting: Boolean = false
+        var experimentalCasting: Boolean = true
 
         /*TODO: Should we have a different casting quality?
         @FormField("Preferred Casting Quality", FieldForm.DROPDOWN, "", 3)
@@ -760,7 +762,7 @@ class Settings : FragmentedStorageFileJson() {
                 try {
                     if (!Logger.submitLogs()) {
                         withContext(Dispatchers.Main) {
-                            SettingsActivity.getActivity()?.let { UIDialogs.toast(it, it.getString(R.string.please_enable_logging_to_submit_logs)) }
+                            StateApp.instance.activity?.let { UIDialogs.toast(it, it.getString(R.string.please_enable_logging_to_submit_logs)) }
                         }
                     }
                 } catch (e: Throwable) {
@@ -777,7 +779,7 @@ class Settings : FragmentedStorageFileJson() {
         @FormField(R.string.reset_announcements, FieldForm.BUTTON, R.string.reset_hidden_announcements, 1)
         fun resetAnnouncements() {
             StateAnnouncement.instance.resetAnnouncements();
-            SettingsActivity.getActivity()?.let { UIDialogs.toast(it, it.getString(R.string.announcements_reset)); };
+            StateApp.instance.activity?.let { UIDialogs.toast(it, it.getString(R.string.announcements_reset)); };
         }
     }
 
@@ -845,13 +847,13 @@ class Settings : FragmentedStorageFileJson() {
 
         @FormField(R.string.change_external_general_directory, FieldForm.BUTTON, R.string.change_the_external_directory_for_general_files, 3)
         fun changeStorageGeneral() {
-            SettingsActivity.getActivity()?.let {
+            StateApp.instance.activity?.let {
                 StateApp.instance.changeExternalGeneralDirectory(it);
             }
         }
         @FormField(R.string.change_external_downloads_directory, FieldForm.BUTTON, R.string.change_the_external_storage_for_download_files, 4)
         fun changeStorageDownload() {
-            SettingsActivity.getActivity()?.let {
+            StateApp.instance.activity?.let {
                 StateApp.instance.changeExternalDownloadDirectory(it);
             }
         }
@@ -860,7 +862,7 @@ class Settings : FragmentedStorageFileJson() {
         fun clearStorageDownload() {
             Settings.instance.storage.storage_download = null;
             Settings.instance.save();
-            SettingsActivity.getActivity()?.let { UIDialogs.toast(it, "Cleared download storage directory") };
+            StateApp.instance.activity?.let { UIDialogs.toast(it, "Cleared download storage directory") };
         }
     }
 
@@ -873,9 +875,9 @@ class Settings : FragmentedStorageFileJson() {
         @DropdownFieldOptionsId(R.array.auto_update_when_array)
         var check: Int = 0;
 
-        @FormField(R.string.background_download, FieldForm.DROPDOWN, R.string.configure_if_background_download_should_be_used, 1)
-        @DropdownFieldOptionsId(R.array.background_download)
-        var backgroundDownload: Int = 0;
+        @FormField(R.string.background_download, FieldForm.TOGGLE, R.string.configure_if_background_download_should_be_used, 1)
+        //@DropdownFieldOptionsId(R.array.background_download)
+        var shouldBackgroundDownload: Boolean = false;
 
         @FormField(R.string.download_when, FieldForm.DROPDOWN, R.string.configure_when_updates_should_be_downloaded, 2)
         @DropdownFieldOptionsId(R.array.when_download)
@@ -897,13 +899,13 @@ class Settings : FragmentedStorageFileJson() {
         @FormField(R.string.manual_check, FieldForm.BUTTON, R.string.manually_check_for_updates, 3)
         fun manualCheck() {
             if (!BuildConfig.IS_PLAYSTORE_BUILD) {
-                SettingsActivity.getActivity()?.let {
+                StateApp.instance.activity?.let {
                     StateApp.instance.scopeOrNull?.launch(Dispatchers.IO) {
                         StateUpdate.instance.checkForUpdates(it, true)
                     }
                 }
             } else {
-                SettingsActivity.getActivity()?.let {
+                StateApp.instance.activity?.let {
                     try {
                         it.startActivity(Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=${it.packageName}")))
                     } catch (e: ActivityNotFoundException) {
@@ -915,7 +917,7 @@ class Settings : FragmentedStorageFileJson() {
 
         @FormField(R.string.view_changelog, FieldForm.BUTTON, R.string.review_the_current_and_past_changelogs, 4)
         fun viewChangelog() {
-            SettingsActivity.getActivity()?.let {
+            StateApp.instance.activity?.let {
                 UIDialogs.toast(it.getString(R.string.retrieving_changelog));
 
                 StateApp.instance.scopeOrNull?.launch(Dispatchers.IO) {
@@ -955,7 +957,7 @@ class Settings : FragmentedStorageFileJson() {
     class Backup {
         @Serializable(with = OffsetDateTimeSerializer::class)
         var lastAutoBackupTime: OffsetDateTime = OffsetDateTime.MIN;
-        var didAskAutoBackup: Boolean = false;
+        var didAskAutoBackup: Boolean = true;
         var autoBackupPassword: String? = null;
         fun shouldAutomaticBackup() = autoBackupPassword != null;
 
@@ -964,13 +966,13 @@ class Settings : FragmentedStorageFileJson() {
 
         @FormField(R.string.set_automatic_backup, FieldForm.BUTTON, R.string.configure_daily_backup_in_case_of_catastrophic_failure, 1)
         fun configureAutomaticBackup() {
-            UIDialogs.showAutomaticBackupDialog(SettingsActivity.getActivity()!!, autoBackupPassword != null) {
-                SettingsActivity.getActivity()?.reloadSettings();
+            UIDialogs.showAutomaticBackupDialog(StateApp.instance.activity!!, autoBackupPassword != null) {
+                SettingsFragment.currentView?.reloadSettings();
             };
         }
         @FormField(R.string.restore_automatic_backup, FieldForm.BUTTON, R.string.restore_a_previous_automatic_backup, 2)
         fun restoreAutomaticBackup() {
-            val activity = SettingsActivity.getActivity()!!
+            val activity = StateApp.instance.activity!!
 
             if(!StateBackup.hasAutomaticBackup())
                 UIDialogs.toast(activity, activity.getString(R.string.you_don_t_have_any_automatic_backups), false);
@@ -981,8 +983,9 @@ class Settings : FragmentedStorageFileJson() {
 
         @FormField(R.string.export_data, FieldForm.BUTTON, R.string.creates_a_zip_file_with_your_data_which_can_be_imported_by_opening_it_with_grayjay, 3)
         fun export() {
-            val activity = SettingsActivity.getActivity() ?: return;
-            UISlideOverlays.showOverlay(activity.overlay, "Select export type", null, {},
+            val activity = StateApp.instance.activity ?: return;
+            val fragView = SettingsFragment.currentView ?: return;
+            UISlideOverlays.showOverlay(fragView.overlay, "Select export type", null, {},
                 SlideUpMenuItem(activity, R.drawable.ic_share, "Share", "", tag = null, call = {
                     StateBackup.shareExternalBackup();
                 }),
@@ -998,11 +1001,11 @@ class Settings : FragmentedStorageFileJson() {
     @Serializable
     class Payment {
         @FormField(R.string.payment_status, FieldForm.READONLYTEXT, -1, 1)
-        val paymentStatus: String get() = SettingsActivity.getActivity()?.let { if (StatePayment.instance.hasPaid) it.getString(R.string.paid) else it.getString(R.string.not_paid); } ?: "Unknown";
+        val paymentStatus: String get() = StateApp.instance.activity?.let { if (StatePayment.instance.hasPaid) it.getString(R.string.paid) else it.getString(R.string.not_paid); } ?: "Unknown";
 
         @FormField(R.string.license_status, FieldForm.BUTTON, R.string.view_license_status, 2)
         fun viewLicenseStatus() {
-            SettingsActivity.getActivity()?.let {
+            StateApp.instance.activity?.let {
                 try {
                     if (StatePayment.instance.hasPaid) {
                         val paymentKey = StatePayment.instance.getPaymentKey()
@@ -1018,12 +1021,12 @@ class Settings : FragmentedStorageFileJson() {
 
         @FormField(R.string.clear_payment, FieldForm.BUTTON, R.string.deletes_license_keys_from_app, 3)
         fun clearPayment() {
-            SettingsActivity.getActivity()?.let { context ->
+            StateApp.instance.activity?.let { context ->
                 UIDialogs.showConfirmationDialog(context, "Are you sure you want to delete your license?", {
                     StatePayment.instance.clearLicenses();
-                    SettingsActivity.getActivity()?.let {
+                    StateApp.instance.activity?.let {
                         UIDialogs.toast(it, it.getString(R.string.licenses_cleared_might_require_app_restart));
-                        it.reloadSettings();
+                        SettingsFragment.currentView?.reloadSettings();
                     }
                 })
             }
@@ -1049,6 +1052,8 @@ class Settings : FragmentedStorageFileJson() {
 
         @FormField(R.string.polycentric_local_cache, FieldForm.TOGGLE, R.string.polycentric_local_cache_description, 7)
         var polycentricLocalCache: Boolean = true;
+
+        var showPrivacyModeDialog: Boolean = true;
     }
 
     @FormField(R.string.gesture_controls, FieldForm.GROUP, -1, 19)
@@ -1120,7 +1125,7 @@ class Settings : FragmentedStorageFileJson() {
         @AdvancedField
         @FormField(R.string.configure_sync_server, FieldForm.BUTTON, R.string.configure_sync_server_description, 7)
         fun configureSyncServer() {
-            SettingsActivity.getActivity()?.let { context ->
+            StateApp.instance.activity?.let { context ->
                 UIDialogs.showDialog(context, R.drawable.device_sync, false,
                     "Enter the url to your relay server",
                     "Using your own relay server requires a proper setup with portforwarding.\nUse at your own risk.",
@@ -1131,13 +1136,13 @@ class Settings : FragmentedStorageFileJson() {
                         UIDialogs.Action("Reset", {
                             syncServerUrl = null;
                             instance.save();
-                            context.reloadSettings();
+                            SettingsFragment.currentView?.reloadSettings();
                             UIDialogs.toast("Sync server changes require a restart");
                         }, UIDialogs.ActionStyle.ACCENT),
                         UIDialogs.Action.withInput("Configure", {
                             syncServerUrl = it?.text
                             instance.save();
-                            context.reloadSettings();
+                            SettingsFragment.currentView?.reloadSettings();
                             UIDialogs.toast("Sync server changes require a restart");
                         }, UIDialogs.ActionStyle.PRIMARY),
                     )

app/src/main/java/com/futo/platformplayer/SettingsDev.kt

@@ -8,9 +8,7 @@ import androidx.work.OneTimeWorkRequestBuilder
 import androidx.work.WorkManager
 import com.caoccao.javet.values.primitive.V8ValueInteger
 import com.caoccao.javet.values.primitive.V8ValueString
-import com.futo.platformplayer.activities.DeveloperActivity
 import com.futo.platformplayer.activities.MainActivity
-import com.futo.platformplayer.activities.SettingsActivity
 import com.futo.platformplayer.api.http.ManagedHttpClient
 import com.futo.platformplayer.api.media.models.contents.IPlatformContent
 import com.futo.platformplayer.api.media.models.video.IPlatformVideo
@@ -20,6 +18,8 @@ import com.futo.platformplayer.api.media.platforms.js.SourcePluginDescriptor
 import com.futo.platformplayer.api.media.structures.IPager
 import com.futo.platformplayer.background.BackgroundWorker
 import com.futo.platformplayer.engine.V8Plugin
+import com.futo.platformplayer.fragment.mainactivity.main.DeveloperFragment
+import com.futo.platformplayer.fragment.mainactivity.main.SettingsFragment
 import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.serializers.FlexibleBooleanSerializer
 import com.futo.platformplayer.states.StateAnnouncement
@@ -97,10 +97,10 @@ class SettingsDev : FragmentedStorageFileJson() {
         fun subscriptionsCache5000() {
             Logger.i("SettingsDev", "Started caching 5000 sub items");
             UIDialogs.toast(
-                SettingsActivity.getActivity()!!,
+                StateApp.instance.activity!!,
                 "Started caching 5000 sub items"
             );
-            val button = DeveloperActivity.getActivity()?.getField("subscription_cache_button");
+            val button = DeveloperFragment.currentView?.getField("subscription_cache_button");
             if(button is ButtonField)
                 button.setButtonEnabled(false);
             StateApp.instance.scope.launch(Dispatchers.IO) {
@@ -121,7 +121,7 @@ class SettingsDev : FragmentedStorageFileJson() {
                                 val diff = System.currentTimeMillis() - lastToast;
                                 lastToast = System.currentTimeMillis();
                                 UIDialogs.toast(
-                                    SettingsActivity.getActivity()!!,
+                                    StateApp.instance.activity!!,
                                     "Page: ${page}, Total: ${total}, Speed: ${diff}ms"
                                 );
                             }
@@ -130,7 +130,7 @@ class SettingsDev : FragmentedStorageFileJson() {
 
                     withContext(Dispatchers.Main) {
                         UIDialogs.toast(
-                            SettingsActivity.getActivity()!!,
+                            StateApp.instance.activity!!,
                             "FINISHED Page: ${page}, Total: ${total}"
                         );
                     }
@@ -152,10 +152,10 @@ class SettingsDev : FragmentedStorageFileJson() {
         fun historyCache100() {
             Logger.i("SettingsDev", "Started caching 100 history items (from home)");
             UIDialogs.toast(
-                SettingsActivity.getActivity()!!,
+                StateApp.instance.activity!!,
                 "Started caching 100 history items (from home)"
             );
-            val button = DeveloperActivity.getActivity()?.getField("history_cache_button");
+            val button = DeveloperFragment.currentView?.getField("history_cache_button");
             if(button is ButtonField)
                 button.setButtonEnabled(false);
             StateApp.instance.scope.launch(Dispatchers.IO) {
@@ -186,7 +186,7 @@ class SettingsDev : FragmentedStorageFileJson() {
                                 val diff = System.currentTimeMillis() - lastToast;
                                 lastToast = System.currentTimeMillis();
                                 UIDialogs.toast(
-                                    SettingsActivity.getActivity()!!,
+                                    StateApp.instance.activity!!,
                                     "Page: ${page}, Total: ${total}, Speed: ${diff}ms"
                                 );
                             }
@@ -195,7 +195,7 @@ class SettingsDev : FragmentedStorageFileJson() {
 
                     withContext(Dispatchers.Main) {
                         UIDialogs.toast(
-                            SettingsActivity.getActivity()!!,
+                            StateApp.instance.activity!!,
                             "FINISHED Page: ${page}, Total: ${total}"
                         );
                     }
@@ -235,9 +235,9 @@ class SettingsDev : FragmentedStorageFileJson() {
     @FormField(R.string.test_background_worker, FieldForm.BUTTON,
         R.string.test_background_worker_description, 4)
     fun triggerBackgroundUpdate() {
-        val act = SettingsActivity.getActivity()!!;
+        val act = StateApp.instance.activity!!;
         try {
-            UIDialogs.toast(SettingsActivity.getActivity()!!, "Starting test background worker");
+            UIDialogs.toast(StateApp.instance.activity!!, "Starting test background worker");
 
             val wm = WorkManager.getInstance(act);
             val req = OneTimeWorkRequestBuilder<BackgroundWorker>()
@@ -251,9 +251,9 @@ class SettingsDev : FragmentedStorageFileJson() {
     @FormField(R.string.clear_channel_cache, FieldForm.BUTTON,
         R.string.test_background_worker_description, 4)
     fun clearChannelContentCache() {
-        UIDialogs.toast(SettingsActivity.getActivity()!!, "Clearing cache");
+        UIDialogs.toast(StateApp.instance.activity!!, "Clearing cache");
         StateCache.instance.clearToday();
-        UIDialogs.toast(SettingsActivity.getActivity()!!, "Cleared");
+        UIDialogs.toast(StateApp.instance.activity!!, "Cleared");
     }
 
 

app/src/main/java/com/futo/platformplayer/UIDialogs.kt

@@ -370,17 +370,19 @@ class UIDialogs {
         }
 
 
-        fun showConfirmationDialog(context: Context, text: String, action: () -> Unit, cancelAction: (() -> Unit)? = null) {
+        fun showConfirmationDialog(context: Context, text: String, action: () -> Unit, cancelAction: (() -> Unit)? = null, dismissAction: (() -> Unit)? = null): AlertDialog {
             val confirmButtonAction = Action(context.getString(R.string.confirm), action, ActionStyle.PRIMARY)
             val cancelButtonAction = Action(context.getString(R.string.cancel), cancelAction ?: {}, ActionStyle.ACCENT)
-            showDialog(context, R.drawable.ic_error, text, null, null, 0, cancelButtonAction, confirmButtonAction)
+            return showDialog(context, R.drawable.ic_error, text, null, null, 0, cancelButtonAction, confirmButtonAction).apply {
+                setOnDismissListener { dismissAction?.invoke() }
+            }
         }
 
-        fun showConfirmationDialog(context: Context, text: String, action: () -> Unit, cancelAction: (() -> Unit)? = null, doNotAskAgainAction: (() -> Unit)? = null) {
+        fun showConfirmationDialog(context: Context, text: String, action: () -> Unit, cancelAction: (() -> Unit)? = null, dismissAction: (() -> Unit)? = null, doNotAskAgainAction: (() -> Unit)? = null): AlertDialog {
             val confirmButtonAction = Action(context.getString(R.string.confirm), action, ActionStyle.PRIMARY)
             val cancelButtonAction = Action(context.getString(R.string.cancel), cancelAction ?: {}, ActionStyle.ACCENT)
             val doNotAskAgain = Action(context.getString(R.string.do_not_ask_again), doNotAskAgainAction ?: {}, ActionStyle.NONE)
-            showDialog(context, R.drawable.ic_error, text, null, null, 0, doNotAskAgain, cancelButtonAction, confirmButtonAction)
+            return showDialog(context, R.drawable.ic_error, text, null, null, 0, doNotAskAgain, cancelButtonAction, confirmButtonAction)
         }
 
         fun showUpdateAvailableDialog(context: Context, lastVersion: Int, hideExceptionButtons: Boolean = false) {
@@ -403,13 +405,6 @@ class UIDialogs {
             dialog.setMaxVersion(lastVersion);
         }
 
-        fun showInstallDownloadedUpdateDialog(context: Context, apkFile: File) {
-            val dialog = AutoUpdateDialog(context);
-            registerDialogOpened(dialog);
-            dialog.setOnDismissListener { registerDialogClosed(dialog) };
-            dialog.showPredownloaded(apkFile);
-        }
-
         fun showMigrateDialog(context: Context, store: ManagedStore<*>, onConcluded: ()->Unit) {
             if(!store.hasMissingReconstructions())
                 onConcluded();

app/src/main/java/com/futo/platformplayer/UISlideOverlays.kt

@@ -14,7 +14,6 @@ import androidx.media3.exoplayer.hls.playlist.HlsMediaPlaylist
 import androidx.media3.exoplayer.hls.playlist.HlsMultivariantPlaylist
 import androidx.recyclerview.widget.RecyclerView
 import com.futo.platformplayer.activities.MainActivity
-import com.futo.platformplayer.activities.SettingsActivity
 import com.futo.platformplayer.api.http.ManagedHttpClient
 import com.futo.platformplayer.api.media.models.ResultCapabilities
 import com.futo.platformplayer.api.media.models.channels.IPlatformChannel
@@ -74,6 +73,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.io.ByteArrayInputStream
 import androidx.core.net.toUri
+import com.futo.platformplayer.fragment.mainactivity.main.SettingsFragment
 
 class UISlideOverlays {
     companion object {
@@ -331,15 +331,9 @@ class UISlideOverlays {
                                             0,
                                             UIDialogs.Action("Cancel", {}),
                                             UIDialogs.Action("Configure", {
-                                                val intent = Intent(
-                                                    mainContext,
-                                                    SettingsActivity::class.java
-                                                );
-                                                intent.putExtra(
-                                                    "query",
-                                                    mainContext.getString(R.string.background_update)
-                                                );
-                                                mainContext.startActivity(intent);
+                                                StateApp.instance.activity?.let {
+                                                    it.navigate(it.getFragment<SettingsFragment>(), mainContext.getString(R.string.background_update))
+                                                }
                                             }, UIDialogs.ActionStyle.PRIMARY)
                                         );
                                     }

app/src/main/java/com/futo/platformplayer/UpdateActionReceiver.kt

@@ -0,0 +1,63 @@
+package com.futo.platformplayer
+
+import android.content.BroadcastReceiver
+import android.content.Context
+import android.content.Intent
+import androidx.core.app.NotificationManagerCompat
+import androidx.core.content.ContextCompat
+import com.futo.platformplayer.activities.MainActivity
+import com.futo.platformplayer.dialogs.AutoUpdateDialog
+import com.futo.platformplayer.states.StateApp
+import java.io.File
+
+class UpdateActionReceiver : BroadcastReceiver() {
+    override fun onReceive(context: Context, intent: Intent) {
+        when (intent.action) {
+            UpdateNotificationManager.ACTION_UPDATE_YES -> handleUpdateYes(context, intent)
+            UpdateNotificationManager.ACTION_UPDATE_NO -> handleUpdateNo(context)
+            UpdateNotificationManager.ACTION_UPDATE_NEVER -> handleUpdateNever(context)
+            UpdateNotificationManager.ACTION_DOWNLOAD_CANCEL -> handleDownloadCancel(context, intent)
+        }
+    }
+
+    private fun handleUpdateYes(context: Context, intent: Intent) {
+        AutoUpdateDialog.currentDialog?.dismiss()
+
+        val version = intent.getIntExtra(UpdateNotificationManager.EXTRA_VERSION, 0)
+        if (version == 0) {
+            return
+        }
+
+        NotificationManagerCompat.from(context).cancel(UpdateNotificationManager.NOTIF_ID_AVAILABLE)
+
+        val serviceIntent = Intent(context, UpdateDownloadService::class.java).apply {
+            putExtra(UpdateDownloadService.EXTRA_VERSION, version)
+        }
+        ContextCompat.startForegroundService(context, serviceIntent)
+    }
+
+    private fun handleUpdateNo(context: Context) {
+        AutoUpdateDialog.currentDialog?.dismiss()
+        NotificationManagerCompat.from(context).cancel(UpdateNotificationManager.NOTIF_ID_AVAILABLE)
+    }
+
+    private fun handleUpdateNever(context: Context) {
+        AutoUpdateDialog.currentDialog?.dismiss()
+        Settings.instance.autoUpdate.check = 1
+        Settings.instance.save()
+
+        UpdateNotificationManager.cancelAll(context)
+    }
+
+    private fun handleDownloadCancel(context: Context, intent: Intent) {
+        val version = intent.getIntExtra(UpdateNotificationManager.EXTRA_VERSION, 0)
+
+        val cancelIntent = Intent(context, UpdateDownloadService::class.java).apply {
+            putExtra(UpdateDownloadService.EXTRA_CANCEL, true)
+            putExtra(UpdateDownloadService.EXTRA_VERSION, version)
+        }
+        ContextCompat.startForegroundService(context, cancelIntent)
+
+        NotificationManagerCompat.from(context).cancel(UpdateNotificationManager.NOTIF_ID_DOWNLOADING)
+    }
+}

app/src/main/java/com/futo/platformplayer/UpdateCheckWorker.kt

@@ -0,0 +1,64 @@
+package com.futo.platformplayer
+
+import android.content.Context
+import androidx.work.CoroutineWorker
+import androidx.work.WorkerParameters
+import com.futo.platformplayer.api.http.ManagedHttpClient
+import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.states.StateApp
+import com.futo.platformplayer.states.StateUpdate
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+
+class UpdateCheckWorker(appContext: Context, workerParams: WorkerParameters) : CoroutineWorker(appContext, workerParams) {
+
+    override suspend fun doWork(): Result {
+        if (!Settings.instance.autoUpdate.isAutoUpdateEnabled()) {
+            Logger.i(TAG, "Auto-update disabled, skipping worker run")
+            return Result.success()
+        }
+
+        return withContext(Dispatchers.IO) {
+            try {
+                val client = ManagedHttpClient()
+                val latestVersion = StateUpdate.Companion.instance.downloadVersionCode(client)
+
+                if (latestVersion == null) {
+                    Logger.w(TAG, "Failed to fetch latest version in worker")
+                    return@withContext Result.retry()
+                }
+
+                val currentVersion = BuildConfig.VERSION_CODE
+                Logger.i(TAG, "Worker check: current=$currentVersion, latest=$latestVersion")
+
+                if (latestVersion <= currentVersion) {
+                    return@withContext Result.success()
+                }
+
+                UpdateNotificationManager.showUpdateAvailableNotification(applicationContext, latestVersion)
+
+                if (StateApp.instance.isMainActive) {
+                    withContext(Dispatchers.Main) {
+                        StateApp.withContext { ctx ->
+                            try {
+                                UIDialogs.showUpdateAvailableDialog(ctx, latestVersion, false)
+                            } catch (t: Throwable) {
+                                Logger.w(TAG, "Failed to show in-app update dialog from worker", t)
+                            }
+                        }
+                    }
+                }
+
+                Result.success()
+            } catch (t: Throwable) {
+                Logger.w(TAG, "Exception in UpdateCheckWorker", t)
+                Result.retry()
+            }
+        }
+    }
+
+    companion object {
+        private const val TAG = "UpdateCheckWorker"
+        const val UNIQUE_WORK_NAME = "updateCheck"
+    }
+}

app/src/main/java/com/futo/platformplayer/UpdateDownloadService.kt

@@ -0,0 +1,261 @@
+package com.futo.platformplayer
+
+import android.app.Dialog
+import android.app.Service
+import android.content.Intent
+import android.os.IBinder
+import android.os.SystemClock
+import com.futo.platformplayer.UIDialogs.ActionStyle
+import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.states.StateApp
+import com.futo.platformplayer.states.StateUpdate
+import kotlinx.coroutines.*
+import java.io.File
+import java.io.FileOutputStream
+import java.net.HttpURLConnection
+import java.net.URL
+
+class UpdateDownloadService : Service() {
+
+    companion object {
+        private const val TAG = "UpdateDownloadService"
+        const val EXTRA_VERSION = "version"
+        const val EXTRA_CANCEL = "cancel"
+        private const val MAX_RETRIES = 5
+        private const val INITIAL_BACKOFF_MS = 5_000L
+        private const val BUFFER_SIZE = 8 * 1024
+        private const val MIN_PROGRESS_UPDATE_INTERVAL_MS = 500L
+
+        var updateDownloadedDialog: Dialog? = null
+    }
+
+    private val job = SupervisorJob()
+    private val scope = CoroutineScope(Dispatchers.IO + job)
+
+    @Volatile
+    private var isDownloading: Boolean = false
+
+    @Volatile
+    private var cancelRequested: Boolean = false
+
+    private var lastProgressUpdateElapsedMs: Long = 0L
+
+    override fun onBind(intent: Intent?): IBinder? = null
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        if (intent == null) {
+            stopSelf()
+            return START_NOT_STICKY
+        }
+
+        if (intent.getBooleanExtra(EXTRA_CANCEL, false)) {
+            cancelRequested = true
+            Logger.i(TAG, "Download cancel requested")
+            stopForeground(Service.STOP_FOREGROUND_REMOVE)
+            stopSelf()
+            return START_NOT_STICKY
+        }
+
+        val version = intent.getIntExtra(EXTRA_VERSION, 0)
+        if (version == 0) {
+            stopSelf()
+            return START_NOT_STICKY
+        }
+
+        if (isDownloading) {
+            Logger.i(TAG, "Download already in progress, ignoring new start")
+            return START_STICKY
+        }
+
+        isDownloading = true
+        cancelRequested = false
+
+        val notification = UpdateNotificationManager.buildDownloadProgressNotification(this, version, 0, true)
+        startForeground(UpdateNotificationManager.NOTIF_ID_DOWNLOADING, notification)
+
+        scope.launch {
+            downloadApk(version)
+        }
+
+        return START_STICKY
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        job.cancel()
+    }
+
+    private fun throttledUpdateDownloadProgress(version: Int, progress: Int, indeterminate: Boolean) {
+        val now = SystemClock.elapsedRealtime()
+        val force = progress == 100 && !indeterminate
+
+        if (force || now - lastProgressUpdateElapsedMs >= MIN_PROGRESS_UPDATE_INTERVAL_MS) {
+            lastProgressUpdateElapsedMs = now
+            UpdateNotificationManager.updateDownloadProgress(this, version, progress, indeterminate)
+        }
+    }
+
+    private suspend fun downloadApk(version: Int) {
+        val apkFile = StateUpdate.getApkFile(this, version)
+        val partialFile = StateUpdate.getPartialApkFile(this, version)
+
+        try {
+            if (apkFile.exists() && apkFile.length() > 0L) {
+                Logger.i(TAG, "APK already downloaded at ${apkFile.absolutePath}")
+                onDownloadComplete(version, apkFile)
+                return
+            }
+
+            var backoffMs = INITIAL_BACKOFF_MS
+
+            for (attempt in 0 until MAX_RETRIES) {
+                if (cancelRequested) {
+                    Logger.i(TAG, "Download cancelled before attempt ${attempt + 1}")
+                    break
+                }
+
+                try {
+                    performDownload(StateUpdate.APK_URL, partialFile, version)
+
+                    if (!cancelRequested) {
+                        if (apkFile.exists()) {
+                            apkFile.delete()
+                        }
+                        if (!partialFile.renameTo(apkFile)) {
+                            throw IllegalStateException("Failed to rename partial APK file")
+                        }
+                        onDownloadComplete(version, apkFile)
+                    }
+                    break
+                } catch (t: Throwable) {
+                    if (cancelRequested) {
+                        Logger.i(TAG, "Download cancelled by user", t)
+                        break
+                    }
+
+                    if (attempt == MAX_RETRIES - 1) {
+                        Logger.e(TAG, "Download failed after ${attempt + 1} attempts", t)
+                        UpdateNotificationManager.showDownloadFailedNotification(this, version, t)
+                        break
+                    } else {
+                        Logger.w(TAG, "Download attempt ${attempt + 1} failed, retrying in ${backoffMs / 1000}s", t)
+                        delay(backoffMs)
+                        backoffMs *= 2
+                    }
+                }
+            }
+        } finally {
+            isDownloading = false
+            cancelRequested = false
+            stopForeground(Service.STOP_FOREGROUND_REMOVE)
+            stopSelf()
+        }
+    }
+
+    private fun performDownload(url: String, partialFile: File, version: Int) {
+        var startOffset = if (partialFile.exists()) partialFile.length() else 0L
+        Logger.i(TAG, "Starting download. url=$url, existingBytes=$startOffset")
+
+        var connection: HttpURLConnection? = null
+        try {
+            connection = (URL(url).openConnection() as HttpURLConnection).apply {
+                connectTimeout = 15_000
+                readTimeout = 30_000
+                if (startOffset > 0L) {
+                    setRequestProperty("Range", "bytes=$startOffset-")
+                }
+            }
+
+            connection.connect()
+            val responseCode = connection.responseCode
+
+            if (responseCode == HttpURLConnection.HTTP_OK && startOffset > 0L) {
+                Logger.w(TAG, "Server ignored Range header, restarting download from scratch")
+                partialFile.delete()
+                startOffset = 0L
+            } else if (responseCode != HttpURLConnection.HTTP_OK &&
+                responseCode != HttpURLConnection.HTTP_PARTIAL) {
+                throw IllegalStateException("Unexpected HTTP response code $responseCode")
+            }
+
+            val contentLength = connection.contentLengthLong
+            val totalBytes = if (contentLength > 0L) startOffset + contentLength else -1L
+
+            val buffer = ByteArray(BUFFER_SIZE)
+            var downloaded = 0L
+            var lastProgress = -1
+
+            connection.inputStream.use { input ->
+                FileOutputStream(partialFile, startOffset > 0L).use { output ->
+                    while (!cancelRequested) {
+                        val read = input.read(buffer)
+                        if (read == -1) {
+                            break
+                        }
+                        output.write(buffer, 0, read)
+                        downloaded += read
+
+                        if (totalBytes > 0L) {
+                            val progress = (((startOffset + downloaded) * 100L) / totalBytes).toInt()
+                            if (progress != lastProgress) {
+                                lastProgress = progress
+                                val safeProgress = when {
+                                    progress < 0 -> 0
+                                    progress > 100 -> 100
+                                    else -> progress
+                                }
+                                throttledUpdateDownloadProgress(version, safeProgress, indeterminate = false)
+                            }
+                        } else {
+                            throttledUpdateDownloadProgress(version, progress = 0, indeterminate = true)
+                        }
+                    }
+
+                    if (!cancelRequested && totalBytes > 0L) {
+                        val finalProgress = 100
+                        throttledUpdateDownloadProgress(version, finalProgress, indeterminate = false)
+                    }
+
+                    output.flush()
+                }
+            }
+
+            if (cancelRequested) {
+                throw CancellationException("Download cancelled")
+            }
+
+            if (totalBytes > 0L && startOffset + downloaded < totalBytes) {
+                throw IllegalStateException("Download incomplete: expected=$totalBytes, got=${startOffset + downloaded}")
+            }
+        } finally {
+            connection?.disconnect()
+        }
+    }
+
+    private fun onDownloadComplete(version: Int, apkFile: File) {
+        Logger.i(TAG, "Download complete for version=$version, file=${apkFile.absolutePath}")
+        UpdateNotificationManager.showDownloadCompleteNotification(this, version, apkFile)
+
+        if (StateApp.instance.isMainActive) {
+            StateApp.instance.scopeOrNull?.launch(Dispatchers.Main) {
+                StateApp.withContext { ctx ->
+                    try {
+                        updateDownloadedDialog = UIDialogs.showDialog(ctx, R.drawable.foreground,
+                            "Update downloaded",
+                            "Would you like to install it now?", null, 0,
+                            UIDialogs.Action("Not now", {
+                                updateDownloadedDialog = null
+                            }, ActionStyle.NONE, true),
+                            UIDialogs.Action("Install", {
+                                UpdateNotificationManager.cancelAll(ctx)
+                                UpdateInstaller.startInstall(ctx, version, apkFile)
+                            }, ActionStyle.PRIMARY, true));
+                    } catch (t: Throwable) {
+                        Logger.w(TAG, "Failed to show in-app update downloaded dialog", t)
+                        updateDownloadedDialog = null
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/UpdateInstaller.kt

@@ -0,0 +1,122 @@
+package com.futo.platformplayer
+
+import android.annotation.SuppressLint
+import android.app.PendingIntent.FLAG_MUTABLE
+import android.app.PendingIntent.FLAG_UPDATE_CURRENT
+import android.app.PendingIntent.getBroadcast
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageInstaller
+import android.graphics.drawable.Animatable
+import android.provider.Settings
+import android.view.View
+import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.receivers.InstallReceiver
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+import java.io.File
+import java.io.InputStream
+import androidx.core.net.toUri
+import com.futo.platformplayer.dialogs.AutoUpdateDialog
+import com.futo.platformplayer.states.StateApp
+
+object UpdateInstaller {
+    private const val TAG = "UpdateInstaller"
+
+    @SuppressLint("RequestInstallPackagesPolicy")
+    fun startInstall(context: Context, version: Int, apkFile: File) {
+        if (!apkFile.exists()) {
+            Logger.w(TAG, "APK file does not exist: ${apkFile.absolutePath}")
+            UIDialogs.toast(context, "Update file missing")
+            UpdateNotificationManager.showInstallFailedNotification(context, version, apkFile, "APK file does not exist.")
+            return
+        }
+
+        if (BuildConfig.IS_PLAYSTORE_BUILD) {
+            UIDialogs.toast(context, "Updates are managed by the Play Store")
+            UpdateNotificationManager.showInstallFailedNotification(context, version, apkFile, "Updates are managed by the Play Store.")
+            return
+        }
+
+        try {
+            val pm = context.packageManager
+            if (!pm.canRequestPackageInstalls()) {
+                UIDialogs.toast(context, "Allow this app to install updates, then try again")
+                UpdateNotificationManager.showInstallFailedNotification(context, version, apkFile, "Install update permission was missing.")
+
+                val intent = Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES).apply {
+                    data = "package:${context.packageName}".toUri()
+                    addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+                }
+                context.startActivity(intent)
+                return
+            }
+        } catch (t: Throwable) {
+            Logger.e(TAG, "Failed to check unknown sources permission", t)
+        }
+
+        GlobalScope.launch(Dispatchers.IO) {
+            var inputStream: InputStream? = null
+            var session: PackageInstaller.Session? = null
+            try {
+
+                val packageInstaller: PackageInstaller = context.packageManager.packageInstaller
+                val params = PackageInstaller.SessionParams(PackageInstaller.SessionParams.MODE_FULL_INSTALL)
+                val sessionId = packageInstaller.createSession(params)
+                session = packageInstaller.openSession(sessionId)
+
+                inputStream = apkFile.inputStream()
+                val dataLength = apkFile.length()
+
+                session.openWrite("package", 0, dataLength).use { sessionStream ->
+                    inputStream.copyToOutputStream(dataLength, sessionStream) { _ -> }
+                    session.fsync(sessionStream)
+                }
+
+                val intent = Intent(context, InstallReceiver::class.java).apply {
+                    putExtra(UpdateNotificationManager.EXTRA_VERSION, version)
+                    putExtra(UpdateNotificationManager.EXTRA_APK_PATH, apkFile.absolutePath)
+                }
+                val pendingIntent = getBroadcast(context, 0, intent, FLAG_MUTABLE or FLAG_UPDATE_CURRENT)
+                val statusReceiver = pendingIntent.intentSender
+
+                InstallReceiver.onReceiveResult.subscribe(this) { message ->
+                    InstallReceiver.onReceiveResult.clear();
+                    onReceiveResult(context, version, apkFile, message);
+                };
+                Logger.i(TAG, "Committing install session for ${apkFile.absolutePath}")
+                session.commit(statusReceiver)
+            } catch (e: Throwable) {
+                Logger.w(TAG, "Exception while installing update", e)
+                session?.abandon()
+                withContext(Dispatchers.Main) {
+                    UIDialogs.toast(context, "Failed to install update: ${e.message}")
+                }
+
+                UpdateNotificationManager.showInstallFailedNotification(context, version, apkFile, e.message)
+            } finally {
+                session?.close()
+                inputStream?.close()
+            }
+        }
+    }
+
+    private fun onReceiveResult(context: Context, version: Int, apkFile: File, result: String?) {
+        try {
+            InstallReceiver.onReceiveResult.remove(this)
+
+            if (result.isNullOrEmpty()) {
+                Logger.i(TAG, "Update install finished successfully")
+                UpdateNotificationManager.showInstallSucceededNotification(context, version)
+            } else {
+                Logger.w(TAG, "Update install failed: $result")
+                UpdateNotificationManager.showInstallFailedNotification(context, version, apkFile, result)
+                UIDialogs.showGeneralErrorDialog(context, "Install failed due to:\n$result")
+            }
+        } catch (e: Throwable) {
+            Logger.e(TAG, "Failed to handle install result", e)
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/UpdateNotificationManager.kt

@@ -0,0 +1,233 @@
+package com.futo.platformplayer
+
+import android.Manifest
+import android.app.Notification
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.app.PendingIntent
+import android.app.PendingIntent.FLAG_MUTABLE
+import android.app.PendingIntent.FLAG_UPDATE_CURRENT
+import android.app.PendingIntent.getBroadcast
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationManagerCompat
+import androidx.core.content.ContextCompat
+import com.futo.platformplayer.activities.InstallUpdateActivity
+import java.io.File
+
+object UpdateNotificationManager {
+    private const val CHANNEL_ID = "app_updates"
+    private const val CHANNEL_NAME = "App updates"
+    private const val CHANNEL_DESCRIPTION = "Notifications about new app versions"
+
+    const val ACTION_UPDATE_YES = "com.futo.platformplayer.UPDATE_YES"
+    const val ACTION_UPDATE_NO = "com.futo.platformplayer.UPDATE_NO"
+    const val ACTION_UPDATE_NEVER = "com.futo.platformplayer.UPDATE_NEVER"
+    const val ACTION_DOWNLOAD_CANCEL = "com.futo.platformplayer.UPDATE_CANCEL"
+    const val ACTION_INSTALL_NOW = "com.futo.platformplayer.UPDATE_INSTALL"
+    private const val REQUEST_CODE_INSTALL = 1001
+
+    const val EXTRA_VERSION = "version"
+    const val EXTRA_APK_PATH = "apk_path"
+
+    const val NOTIF_ID_AVAILABLE = 2001
+    const val NOTIF_ID_DOWNLOADING = 2002
+    const val NOTIF_ID_READY = 2003
+    const val NOTIF_ID_INSTALL_FAILED = 2004
+    const val NOTIF_ID_INSTALL_SUCCEEDED = 2005
+
+    fun ensureChannel(context: Context) {
+        val manager = context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+        if (manager.getNotificationChannel(CHANNEL_ID) == null) {
+            val channel = NotificationChannel(CHANNEL_ID, CHANNEL_NAME, NotificationManager.IMPORTANCE_DEFAULT).apply {
+                description = CHANNEL_DESCRIPTION
+                enableVibration(false)
+                enableLights(false)
+                setSound(null, null)
+            }
+            manager.createNotificationChannel(channel)
+        }
+    }
+
+    fun showInstallSucceededNotification(context: Context, version: Int) {
+        if (ContextCompat.checkSelfPermission(context, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            return
+        }
+
+        ensureChannel(context)
+
+        val launchIntent = context.packageManager
+            .getLaunchIntentForPackage(context.packageName)
+            ?.apply {
+                addFlags(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED)
+            }
+
+        val launchPendingIntent = launchIntent?.let {
+            PendingIntent.getActivity(context, REQUEST_CODE_INSTALL, it, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE)
+        }
+
+        val builder = NotificationCompat.Builder(context, CHANNEL_ID)
+            .setSmallIcon(R.drawable.foreground)
+            .setContentTitle("Update installed")
+            .setContentText("Version $version installed. Tap to open.")
+            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
+            .setAutoCancel(true)
+            .setSilent(true)
+
+        if (launchPendingIntent != null) {
+            builder.setContentIntent(launchPendingIntent)
+            builder.addAction(0, "Open app", launchPendingIntent)
+        }
+
+        NotificationManagerCompat.from(context).notify(NOTIF_ID_INSTALL_SUCCEEDED, builder.build())
+    }
+
+    fun showUpdateAvailableNotification(context: Context, version: Int) {
+        if (ContextCompat.checkSelfPermission(context, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            return
+        }
+
+        ensureChannel(context)
+
+        val yesIntent = Intent(context, UpdateActionReceiver::class.java).apply {
+            action = ACTION_UPDATE_YES
+            putExtra(EXTRA_VERSION, version)
+        }
+        val yesPendingIntent = getBroadcast(context, 0, yesIntent, FLAG_MUTABLE or FLAG_UPDATE_CURRENT)
+        val noIntent = Intent(context, UpdateActionReceiver::class.java).apply {
+            action = ACTION_UPDATE_NO
+            putExtra(EXTRA_VERSION, version)
+        }
+        val noPendingIntent = getBroadcast(context, 1, noIntent, FLAG_MUTABLE or FLAG_UPDATE_CURRENT)
+        val neverIntent = Intent(context, UpdateActionReceiver::class.java).apply {
+            action = ACTION_UPDATE_NEVER
+            putExtra(EXTRA_VERSION, version)
+        }
+        val neverPendingIntent = getBroadcast(context, 2, neverIntent, FLAG_MUTABLE or FLAG_UPDATE_CURRENT)
+        val builder = NotificationCompat.Builder(context, CHANNEL_ID)
+            .setSmallIcon(R.drawable.foreground)
+            .setContentTitle("Update available")
+            .setContentText("A new version ($version) is available.")
+            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
+            .setAutoCancel(true)
+            .setContentIntent(yesPendingIntent)
+            .setSilent(true)
+            .addAction(0, "Never", neverPendingIntent)
+            .addAction(0, "Not now", noPendingIntent)
+            .addAction(0, "Download", yesPendingIntent)
+
+        NotificationManagerCompat.from(context).notify(NOTIF_ID_AVAILABLE, builder.build())
+    }
+
+    fun buildDownloadProgressNotification(context: Context, version: Int, progress: Int, indeterminate: Boolean): Notification {
+        ensureChannel(context)
+
+        val cancelIntent = Intent(context, UpdateActionReceiver::class.java).apply {
+            action = ACTION_DOWNLOAD_CANCEL
+            putExtra(EXTRA_VERSION, version)
+        }
+        val cancelPendingIntent = getBroadcast(
+            context,
+            3,
+            cancelIntent,
+            FLAG_MUTABLE or FLAG_UPDATE_CURRENT
+        )
+
+        val builder = NotificationCompat.Builder(context, CHANNEL_ID)
+            .setSmallIcon(R.drawable.foreground)
+            .setContentTitle("Downloading update")
+            .setContentText("Downloading version $version")
+            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
+            .setOngoing(true)
+            .setSilent(true)
+            .addAction(0, "Cancel", cancelPendingIntent)
+
+        if (indeterminate) {
+            builder.setProgress(0, 0, true)
+        } else {
+            builder.setProgress(100, progress, false)
+        }
+
+        return builder.build()
+    }
+
+    fun updateDownloadProgress(context: Context, version: Int, progress: Int, indeterminate: Boolean) {
+        if (ContextCompat.checkSelfPermission(context, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            return
+        }
+        val notification = buildDownloadProgressNotification(context, version, progress, indeterminate)
+        NotificationManagerCompat.from(context).notify(NOTIF_ID_DOWNLOADING, notification)
+    }
+
+
+    fun showDownloadCompleteNotification(context: Context, version: Int, apkFile: File) {
+        if (ContextCompat.checkSelfPermission(context, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            return
+        }
+        ensureChannel(context)
+
+        val installIntent = InstallUpdateActivity.createIntent(context, version, apkFile.absolutePath)
+        val installPendingIntent = PendingIntent.getActivity(context, REQUEST_CODE_INSTALL, installIntent, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE)
+
+        val builder = NotificationCompat.Builder(context, CHANNEL_ID)
+            .setSmallIcon(R.drawable.foreground)
+            .setContentTitle("Update downloaded")
+            .setContentText("Tap to install version $version.")
+            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
+            .setContentIntent(installPendingIntent)
+            .setAutoCancel(true)
+            .setSilent(true)
+            .addAction(0, "Install", installPendingIntent)
+
+        NotificationManagerCompat.from(context).notify(NOTIF_ID_READY, builder.build())
+    }
+
+
+    fun showDownloadFailedNotification(context: Context, version: Int, error: Throwable?) {
+        if (ContextCompat.checkSelfPermission(context, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            return
+        }
+        ensureChannel(context)
+
+        val builder = NotificationCompat.Builder(context, CHANNEL_ID)
+            .setSmallIcon(R.drawable.foreground)
+            .setContentTitle("Failed to download update")
+            .setContentText(error?.message ?: "Unknown error")
+            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
+            .setAutoCancel(true)
+            .setSilent(true)
+
+        NotificationManagerCompat.from(context).notify(NOTIF_ID_READY, builder.build())
+    }
+
+    fun showInstallFailedNotification(context: Context, version: Int, apkFile: File, error: String?) {
+        if (ContextCompat.checkSelfPermission(context, Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED)
+            return
+
+        ensureChannel(context)
+
+        val installIntent = InstallUpdateActivity.createIntent(context, version, apkFile.absolutePath)
+        val installPendingIntent = PendingIntent.getActivity(context, REQUEST_CODE_INSTALL, installIntent, PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE)
+        val builder = NotificationCompat.Builder(context, CHANNEL_ID)
+            .setSmallIcon(R.drawable.foreground)
+            .setContentTitle("Failed to install update")
+            .setContentText(if (error != null && error.isNotBlank()) "$error Tap to try again." else "Tap to try again.")
+            .setAutoCancel(true)
+            .setSilent(true)
+            .setContentIntent(installPendingIntent)
+            .addAction(0, "Install again", installPendingIntent)
+
+        NotificationManagerCompat.from(context).notify(NOTIF_ID_INSTALL_FAILED, builder.build())
+    }
+
+    fun cancelAll(context: Context) {
+        NotificationManagerCompat.from(context).cancel(NOTIF_ID_AVAILABLE)
+        NotificationManagerCompat.from(context).cancel(NOTIF_ID_DOWNLOADING)
+        NotificationManagerCompat.from(context).cancel(NOTIF_ID_READY)
+        NotificationManagerCompat.from(context).cancel(NOTIF_ID_INSTALL_FAILED)
+        NotificationManagerCompat.from(context).cancel(NOTIF_ID_INSTALL_SUCCEEDED)
+
+    }
+}

app/src/main/java/com/futo/platformplayer/Utility.kt

@@ -5,8 +5,6 @@ import android.content.Context
 import android.content.Intent
 import android.content.res.Resources
 import android.graphics.Bitmap
-import android.graphics.BitmapFactory
-import android.icu.util.Output
 import android.os.Build
 import android.os.Looper
 import android.os.OperationCanceledException
@@ -44,6 +42,9 @@ import java.util.*
 import java.util.concurrent.ThreadLocalRandom
 import java.util.zip.GZIPInputStream
 import java.util.zip.GZIPOutputStream
+import androidx.core.graphics.scale
+import com.bumptech.glide.RequestBuilder
+import com.bumptech.glide.load.resource.bitmap.DownsampleStrategy
 
 private val _allowedCharacters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ";
 fun getRandomString(sizeOfRandomString: Int): String {
@@ -101,7 +102,7 @@ fun String.isHexColor(): Boolean {
 
 fun IPlatformClient.fromPool(pool: PlatformMultiClientPool) = pool.getClientPooled(this);
 
-fun IPlatformVideo.withTimestamp(sec: Long) =  PlatformVideoWithTime(this, sec);
+fun IPlatformVideo.withTimestamp(sec: Long) = PlatformVideoWithTime(this, sec);
 
 fun DocumentFile.getInputStream(context: Context) = context.contentResolver.openInputStream(this.uri);
 fun DocumentFile.getOutputStream(context: Context) = context.contentResolver.openOutputStream(this.uri);
@@ -114,23 +115,6 @@ fun DocumentFile.writeBytes(context: Context, byteArray: ByteArray) = context.co
     it.flush();
 };
 
-fun loadBitmap(url: String): Bitmap {
-    try {
-        val client = ManagedHttpClient();
-        val response = client.get(url);
-        if (response.isOk && response.body != null) {
-            val bitmapStream = response.body.byteStream();
-            val bitmap = BitmapFactory.decodeStream(bitmapStream);
-            return bitmap;
-        } else {
-            throw Exception("Failed to find data at URL.");
-        }
-    } catch (e: Throwable) {
-        Logger.w("Utility", "Exception thrown while downloading bitmap.", e);
-        throw e;
-    }
-}
-
 fun TextView.setPlatformPlayerLinkMovementMethod(context: Context) {
     this.movementMethod = PlatformLinkMovementMethod(context);
 }
@@ -458,4 +442,11 @@ fun addressScore(addr: InetAddress): Int {
     }
 }
 
-fun <T> Enumeration<T>.toList(): List<T> = Collections.list(this)
+fun <T> Enumeration<T>.toList(): List<T> = Collections.list(this)
+
+fun <T> RequestBuilder<T>.withMaxSizePx(maxSizePx: Int = 1920): RequestBuilder<T> {
+    return this;
+        //.downsample(DownsampleStrategy.AT_MOST)
+        //.override(maxSizePx, maxSizePx)
+        //.centerInside()
+}

app/src/main/java/com/futo/platformplayer/activities/DeveloperActivity.kt

@@ -1,58 +0,0 @@
-package com.futo.platformplayer.activities
-
-import android.annotation.SuppressLint
-import android.os.Bundle
-import android.widget.ImageButton
-import androidx.appcompat.app.AppCompatActivity
-import com.futo.platformplayer.*
-import com.futo.platformplayer.views.fields.FieldForm
-import com.futo.platformplayer.views.fields.IField
-
-class DeveloperActivity : AppCompatActivity() {
-    private lateinit var _form: FieldForm;
-    private lateinit var _buttonBack: ImageButton;
-
-    fun getField(id: String): IField? {
-        return _form.findField(id);
-    }
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState);
-        DeveloperActivity._lastActivity = this;
-        setContentView(R.layout.activity_dev);
-        setNavigationBarColorAndIcons();
-
-        _buttonBack = findViewById(R.id.button_back);
-        _form = findViewById(R.id.settings_form);
-
-        _form.fromObject(SettingsDev.instance);
-        _form.onChanged.subscribe { _, _ ->
-            _form.setObjectValues();
-            SettingsDev.instance.save();
-        };
-
-        _buttonBack.setOnClickListener {
-            finish();
-        }
-    }
-
-    override fun finish() {
-        super.finish()
-        overridePendingTransition(R.anim.slide_lighten, R.anim.slide_out_up)
-    }
-
-
-
-    companion object {
-        //TODO: Temporary for solving Settings issues
-        @SuppressLint("StaticFieldLeak")
-        private var _lastActivity: DeveloperActivity? = null;
-
-        fun getActivity(): DeveloperActivity? {
-            val act = _lastActivity;
-            if(act != null)
-                return act;
-            return null;
-        }
-    }
-}

app/src/main/java/com/futo/platformplayer/activities/InstallUpdateActivity.kt

@@ -0,0 +1,49 @@
+package com.futo.platformplayer.activities
+
+import android.content.Context
+import android.content.Intent
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import com.futo.platformplayer.UIDialogs
+import com.futo.platformplayer.UpdateInstaller
+import com.futo.platformplayer.UpdateNotificationManager
+import com.futo.platformplayer.logging.Logger
+import java.io.File
+
+class InstallUpdateActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        UpdateNotificationManager.cancelAll(this)
+
+        val version = intent.getIntExtra(UpdateNotificationManager.EXTRA_VERSION, 0)
+        val apkPath = intent.getStringExtra(UpdateNotificationManager.EXTRA_APK_PATH)
+
+        if (version == 0 || apkPath.isNullOrEmpty()) {
+            Logger.w("InstallUpdateActivity", "Missing version or apkPath")
+            finish()
+            return
+        }
+
+        val apkFile = File(apkPath)
+        if (!apkFile.exists()) {
+            Logger.w("InstallUpdateActivity", "APK file does not exist: $apkPath")
+            UIDialogs.Companion.toast(this, "Update file missing")
+            finish()
+            return
+        }
+
+        UpdateInstaller.startInstall(this, version, apkFile)
+        finish()
+    }
+
+    companion object {
+        fun createIntent(context: Context, version: Int, apkPath: String): Intent =
+            Intent(context, InstallUpdateActivity::class.java).apply {
+                putExtra(UpdateNotificationManager.EXTRA_VERSION, version)
+                putExtra(UpdateNotificationManager.EXTRA_APK_PATH, apkPath)
+                addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+            }
+    }
+}

app/src/main/java/com/futo/platformplayer/activities/MainActivity.kt

@@ -8,6 +8,7 @@ import android.content.Intent
 import android.content.Intent.FLAG_ACTIVITY_NEW_TASK
 import android.content.pm.PackageManager
 import android.content.res.Configuration
+import android.graphics.Color
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
@@ -52,17 +53,28 @@ import com.futo.platformplayer.fragment.mainactivity.main.CommentsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.ContentSearchResultsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.CreatorSearchResultsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.CreatorsFragment
+import com.futo.platformplayer.fragment.mainactivity.main.DeveloperFragment
 import com.futo.platformplayer.fragment.mainactivity.main.DownloadsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.HistoryFragment
 import com.futo.platformplayer.fragment.mainactivity.main.HomeFragment
 import com.futo.platformplayer.fragment.mainactivity.main.ImportPlaylistsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.ImportSubscriptionsFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LibraryAlbumFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LibraryAlbumsFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LibraryArtistFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LibraryArtistsFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LibraryFilesFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LibraryFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LibrarySearchFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LibraryVideosFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LoginFragment
 import com.futo.platformplayer.fragment.mainactivity.main.MainFragment
 import com.futo.platformplayer.fragment.mainactivity.main.PlaylistFragment
 import com.futo.platformplayer.fragment.mainactivity.main.PlaylistSearchResultsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.PlaylistsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.PostDetailFragment
 import com.futo.platformplayer.fragment.mainactivity.main.RemotePlaylistFragment
+import com.futo.platformplayer.fragment.mainactivity.main.SettingsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.ShortsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.SourceDetailFragment
 import com.futo.platformplayer.fragment.mainactivity.main.SourcesFragment
@@ -76,6 +88,7 @@ import com.futo.platformplayer.fragment.mainactivity.main.VideoDetailFragment.St
 import com.futo.platformplayer.fragment.mainactivity.main.WatchLaterFragment
 import com.futo.platformplayer.fragment.mainactivity.main.WebDetailFragment
 import com.futo.platformplayer.fragment.mainactivity.topbar.AddTopBarFragment
+import com.futo.platformplayer.fragment.mainactivity.topbar.FilesTopBarFragment
 import com.futo.platformplayer.fragment.mainactivity.topbar.GeneralTopBarFragment
 import com.futo.platformplayer.fragment.mainactivity.topbar.ImportTopBarFragment
 import com.futo.platformplayer.fragment.mainactivity.topbar.NavigationTopBarFragment
@@ -147,6 +160,7 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
     lateinit var _fragTopBarNavigation: NavigationTopBarFragment;
     lateinit var _fragTopBarImport: ImportTopBarFragment;
     lateinit var _fragTopBarAdd: AddTopBarFragment;
+    lateinit var _fragTopBarFiles: FilesTopBarFragment;
 
     //Frags BotBar
     lateinit var _fragBotBarMenu: MenuBottomBarFragment;
@@ -179,6 +193,17 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
     lateinit var _fragBuy: BuyFragment;
     lateinit var _fragSubGroup: SubscriptionGroupFragment;
     lateinit var _fragSubGroupList: SubscriptionGroupListFragment;
+    lateinit var _fragLibrary: LibraryFragment;
+    lateinit var _fragLibraryAlbums: LibraryAlbumsFragment;
+    lateinit var _fragLibraryAlbum: LibraryAlbumFragment;
+    lateinit var _fragLibraryArtists: LibraryArtistsFragment;
+    lateinit var _fragLibraryArtist: LibraryArtistFragment;
+    lateinit var _fragLibraryVideos: LibraryVideosFragment;
+    lateinit var _fragLibrarySearch: LibrarySearchFragment;
+    lateinit var _fragLibraryFiles: LibraryFilesFragment;
+    lateinit var _fragSettings: SettingsFragment;
+    lateinit var _fragDeveloper: DeveloperFragment;
+    lateinit var _fragLogin: LoginFragment;
 
     lateinit var _fragBrowser: BrowserFragment;
 
@@ -187,7 +212,7 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
 
     //State
     private val _queue: LinkedList<Pair<MainFragment, Any?>> = LinkedList();
-    lateinit var fragCurrent: MainFragment private set;
+    var fragCurrent: MainFragment? = null; private set;
     private var _parameterCurrent: Any? = null;
 
     var fragBeforeOverlay: MainFragment? = null; private set;
@@ -275,6 +300,7 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
     @UnstableApi
     override fun onCreate(savedInstanceState: Bundle?) {
         Logger.w(TAG, "MainActivity Starting [$mainId]");
+
         StateApp.instance.setGlobalContext(this, lifecycleScope, mainId);
         StateApp.instance.mainAppStarting(this);
 
@@ -294,6 +320,10 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
             }
         }
 
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            window.isNavigationBarContrastEnforced = false
+        }
+
         //Preload common files to memory
         FragmentedStorage.get<SubscriptionStorage>();
         FragmentedStorage.get<Settings>();
@@ -318,6 +348,7 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
         _fragTopBarNavigation = NavigationTopBarFragment.newInstance();
         _fragTopBarImport = ImportTopBarFragment.newInstance();
         _fragTopBarAdd = AddTopBarFragment.newInstance();
+        _fragTopBarFiles = FilesTopBarFragment.newInstance();
 
         //BotBars
         _fragBotBarMenu = MenuBottomBarFragment.newInstance();
@@ -350,6 +381,17 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
         _fragBuy = BuyFragment.newInstance();
         _fragSubGroup = SubscriptionGroupFragment.newInstance();
         _fragSubGroupList = SubscriptionGroupListFragment.newInstance();
+        _fragLibrary = LibraryFragment.newInstance();
+        _fragLibraryAlbums = LibraryAlbumsFragment.newInstance();
+        _fragLibraryAlbum = LibraryAlbumFragment.newInstance();
+        _fragLibraryArtists = LibraryArtistsFragment.newInstance();
+        _fragLibraryArtist = LibraryArtistFragment.newInstance();
+        _fragLibraryVideos = LibraryVideosFragment.newInstance();
+        _fragLibraryFiles = LibraryFilesFragment.newInstance();
+        _fragLibrarySearch = LibrarySearchFragment.newInstance();
+        _fragSettings = SettingsFragment.newInstance();
+        _fragDeveloper = DeveloperFragment.newInstance();
+        _fragLogin = LoginFragment.newInstance();
 
         _fragBrowser = BrowserFragment.newInstance();
 
@@ -368,12 +410,17 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
             updateSegmentPaddings();
         };
         _fragVideoDetail.onTransitioning.subscribe {
-            if (it || _fragVideoDetail.state != VideoDetailFragment.State.MINIMIZED)
+            if (it || _fragVideoDetail.state != VideoDetailFragment.State.MINIMIZED) {
+                Logger.i(TAG, "onTransition Setting elevation higher");
                 _fragContainerOverlay.elevation =
                     TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 15f, resources.displayMetrics);
-            else
+            }
+            else {
+                Logger.i(TAG, "onTransition Setting elevation lower");
                 _fragContainerOverlay.elevation =
                     TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 5f, resources.displayMetrics);
+            }
+
         }
 
         _fragVideoDetail.onCloseEvent.subscribe {
@@ -481,6 +528,16 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
         _fragImportSubscriptions.topBar = _fragTopBarImport;
         _fragImportPlaylists.topBar = _fragTopBarImport;
         _fragSubGroupList.topBar = _fragTopBarAdd;
+        _fragLibrary.topBar = _fragTopBarGeneral;
+        _fragLibraryAlbums.topBar = _fragTopBarNavigation;
+        _fragLibraryAlbum.topBar = _fragTopBarNavigation;
+        _fragLibraryArtists.topBar = _fragTopBarNavigation;
+        _fragLibraryArtist.topBar = _fragTopBarNavigation;
+        _fragLibraryVideos.topBar = _fragTopBarNavigation;
+        _fragLibraryFiles.topBar = _fragTopBarFiles;
+        _fragLibrarySearch.topBar = _fragTopBarSearch;
+        _fragSettings.topBar = _fragTopBarNavigation;
+        _fragDeveloper.topBar = _fragTopBarNavigation;
 
         _fragBrowser.topBar = _fragTopBarNavigation;
 
@@ -506,7 +563,7 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
         defaultTab.action(_fragBotBarMenu);
         StateSubscriptions.instance;
 
-        fragCurrent.onShown(null, false);
+        fragCurrent?.onShown(null, false);
 
         //Other stuff
         rootView.progress = 0f;
@@ -561,6 +618,10 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
             sharedPreferences.edit().putBoolean("IsFirstBoot", false).apply()
         }
 
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU && Settings.instance.autoUpdate.isAutoUpdateEnabled() && Settings.instance.autoUpdate.shouldBackgroundDownload) {
+            requestNotificationPermissions("You have enabled background updating.\n\nGrayjay uses notifications to inform you when a new app update is available.");
+        }
+
         val submissionStatus = FragmentedStorage.get<StringStorage>("subscriptionSubmissionStatus")
 
         val numSubscriptions = StateSubscriptions.instance.getSubscriptionCount()
@@ -1093,7 +1154,7 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
         if (_fragVideoDetail.state == VideoDetailFragment.State.MAXIMIZED && _fragVideoDetail.onBackPressed())
             return;
 
-        if (!fragCurrent.onBackPressed())
+        if (!(fragCurrent?.onBackPressed() ?: true))
             closeSegment();
     }
 
@@ -1144,6 +1205,11 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
         }
     }
 
+    inline fun <reified T : Fragment> navigate(parameter: Any? = null, withHistory: Boolean = true, isBack: Boolean = false) {
+        val segment = getFragment<T>();
+        navigate(segment as MainFragment, parameter, withHistory, isBack);
+    }
+
     /**
      * Navigate takes a MainFragment, and makes them the current main visible view
      * A parameter can be provided which becomes available in the onShow of said fragment
@@ -1166,27 +1232,27 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
                 return;
             }
 
-            fragCurrent.onHide();
+            fragCurrent?.onHide();
 
             if (segment.isMainView) {
                 var transaction = supportFragmentManager.beginTransaction();
                 if (segment.topBar != null) {
-                    if (segment.topBar != fragCurrent.topBar) {
+                    if (segment.topBar != fragCurrent?.topBar) {
                         transaction = transaction
                             .show(segment.topBar as Fragment)
                             .replace(R.id.fragment_top_bar, segment.topBar as Fragment);
-                        fragCurrent.topBar?.onHide();
+                        fragCurrent?.topBar?.onHide();
                     }
-                } else if (fragCurrent.topBar != null)
-                    transaction.hide(fragCurrent.topBar as Fragment);
+                } else if (fragCurrent?.topBar != null)
+                    transaction.hide(fragCurrent?.topBar as Fragment);
 
                 transaction = transaction.replace(R.id.fragment_main, segment);
 
                 if (segment.hasBottomBar) {
-                    if (!fragCurrent.hasBottomBar)
+                    if (!(fragCurrent?.hasBottomBar ?: false))
                         transaction = transaction.show(_fragBotBarMenu);
                 } else {
-                    if (fragCurrent.hasBottomBar)
+                    if (fragCurrent?.hasBottomBar ?: false)
                         transaction = transaction.hide(_fragBotBarMenu);
                 }
                 transaction.commitNow();
@@ -1199,10 +1265,10 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
                 }
             }
 
-            if (fragCurrent.isHistory && withHistory && _queue.lastOrNull() != fragCurrent)
-                _queue.add(Pair(fragCurrent, _parameterCurrent));
+            if (fragCurrent?.isHistory ?: false && withHistory && _queue.lastOrNull() != fragCurrent)
+                _queue.add(Pair(fragCurrent!!, _parameterCurrent));
 
-            if (segment.isOverlay && !fragCurrent.isOverlay && withHistory)// && fragCurrent.isHistory)
+            if (segment.isOverlay && !(fragCurrent?.isOverlay ?: false) && withHistory)// && fragCurrent.isHistory)
                 fragBeforeOverlay = fragCurrent;
 
             fragCurrent = segment;
@@ -1233,11 +1299,24 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
                 navigate(last.first, last.second, false, true);
             } else {
                 if (_fragVideoDetail.state == VideoDetailFragment.State.CLOSED) {
+                    Logger.i(TAG, "Closing activity because _fragVideoDetail.state == closed");
                     finish();
                 } else {
+                    //UIDialogs.toast("Grayjay continues in background because of an open video.")
+                    if(Settings.instance.playback.isBackgroundPictureInPicture()) {
+                        try {
+                            _fragVideoDetail._viewDetail?.startPictureInPicture();
+                            _fragVideoDetail?.forcePictureInPicture();
+                        } catch (ex: Throwable) {
+                        } //Fail silently
+                    }
+                    else
+                     moveTaskToBack(false);
+                    /*
                     UIDialogs.showConfirmationDialog(this, "There is a video playing, are you sure you want to exit the app?", {
                         finish();
                     })
+                    */
                 }
             }
         }
@@ -1256,6 +1335,7 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
             VideoDetailFragment::class -> _fragVideoDetail as T;
             MenuBottomBarFragment::class -> _fragBotBarMenu as T;
             GeneralTopBarFragment::class -> _fragTopBarGeneral as T;
+            FilesTopBarFragment::class -> _fragTopBarFiles as T;
             SearchTopBarFragment::class -> _fragTopBarSearch as T;
             CreatorsFragment::class -> _fragMainSubscriptions as T;
             CommentsFragment::class -> _fragMainComments as T;
@@ -1280,6 +1360,17 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
             BuyFragment::class -> _fragBuy as T;
             SubscriptionGroupFragment::class -> _fragSubGroup as T;
             SubscriptionGroupListFragment::class -> _fragSubGroupList as T;
+            LibraryFragment::class -> _fragLibrary as T;
+            LibraryAlbumsFragment::class -> _fragLibraryAlbums as T;
+            LibraryAlbumFragment::class -> _fragLibraryAlbum as T;
+            LibraryArtistsFragment::class -> _fragLibraryArtists as T;
+            LibraryArtistFragment::class -> _fragLibraryArtist as T;
+            LibraryVideosFragment::class -> _fragLibraryVideos as T;
+            LibraryFilesFragment::class -> _fragLibraryFiles as T;
+            LibrarySearchFragment::class -> _fragLibrarySearch as T;
+            SettingsFragment:: class -> _fragSettings as T;
+            DeveloperFragment::class -> _fragDeveloper as T;
+            LoginFragment::class -> _fragLogin as T;
             else -> throw IllegalArgumentException("Fragment type ${T::class.java.name} is not available in MainActivity");
         }
     }
@@ -1287,7 +1378,7 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
 
     private fun updateSegmentPaddings() {
         var paddingBottom = 0f;
-        if (fragCurrent.hasBottomBar)
+        if (fragCurrent?.hasBottomBar ?: false)
             paddingBottom += HEIGHT_MENU_DP;
 
         _fragContainerOverlay.setPadding(
@@ -1304,6 +1395,23 @@ class MainActivity : AppCompatActivity, IWithResultLauncher {
         );
     }
 
+    var _callbackPermissionAudio: ((Boolean)->Unit)? = null;
+    var _callbackPermissionVideo: ((Boolean)->Unit)? = null;
+    val permissionReqAudio = registerForActivityResult(ActivityResultContracts.RequestPermission(), { isGranted ->
+        _callbackPermissionAudio?.invoke(isGranted);
+    });
+    val permissionReqVideo = registerForActivityResult(ActivityResultContracts.RequestPermission(), { isGranted ->
+        _callbackPermissionVideo?.invoke(isGranted);
+    });
+    fun requestPermissionAudio(cb: ((Boolean)->Unit)? = null) {
+        _callbackPermissionAudio = cb;
+        permissionReqAudio.launch(android.Manifest.permission.READ_MEDIA_AUDIO);
+    }
+    fun requestPermissionVideo(cb: ((Boolean)->Unit)? = null) {
+        _callbackPermissionVideo = cb;
+        permissionReqVideo.launch(android.Manifest.permission.READ_MEDIA_VIDEO);
+    }
+
 
     val notifPermission = "android.permission.POST_NOTIFICATIONS";
     val requestPermissionLauncher =  registerForActivityResult(ActivityResultContracts.RequestPermission()) { isGranted: Boolean ->

app/src/main/java/com/futo/platformplayer/activities/PolycentricBackupActivity.kt

@@ -13,15 +13,18 @@ import android.view.View
 import android.widget.ImageButton
 import android.widget.ImageView
 import android.widget.TextView
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.lifecycleScope
 import com.futo.platformplayer.R
+import com.futo.platformplayer.UIDialogs
 import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.setNavigationBarColorAndIcons
 import com.futo.platformplayer.states.StateApp
 import com.futo.platformplayer.states.StateApp.Companion.withContext
 import com.futo.platformplayer.states.StatePolycentric
 import com.futo.platformplayer.views.buttons.BigButton
+import com.futo.platformplayer.activities.QRCodeFullscreenActivity
 import com.futo.polycentric.core.ContentType
 import com.futo.polycentric.core.SignedEvent
 import com.futo.polycentric.core.StorageTypeCRDTItem
@@ -29,8 +32,10 @@ import com.futo.polycentric.core.StorageTypeCRDTSetItem
 import com.futo.polycentric.core.Store
 import com.futo.polycentric.core.toBase64Url
 import com.google.zxing.BarcodeFormat
+import com.google.zxing.EncodeHintType
 import com.google.zxing.MultiFormatWriter
 import com.google.zxing.common.BitMatrix
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -41,11 +46,27 @@ import userpackage.Protocol.URLInfo
 class PolycentricBackupActivity : AppCompatActivity() {
     private lateinit var _buttonShare: BigButton;
     private lateinit var _buttonCopy: BigButton;
+    private lateinit var _buttonExportFile: BigButton;
     private lateinit var _imageQR: ImageView;
     private lateinit var _exportBundle: String;
     private lateinit var _textQR: TextView;
+    private lateinit var _textQRHint: TextView;
     private lateinit var _loader: View
 
+    private val _createDocumentLauncher = registerForActivityResult(ActivityResultContracts.CreateDocument("text/plain")) { uri ->
+        uri?.let { fileUri ->
+            try {
+                contentResolver.openOutputStream(fileUri)?.use { outputStream ->
+                    outputStream.write(_exportBundle.toByteArray())
+                }
+                UIDialogs.toast(this, getString(R.string.profile_saved_successfully))
+            } catch (e: Exception) {
+                Logger.e(TAG, "Failed to write to document", e)
+                UIDialogs.toast(this, "Failed to save profile: ${e.message}")
+            }
+        }
+    }
+
     override fun attachBaseContext(newBase: Context?) {
         super.attachBaseContext(StateApp.instance.getLocaleContext(newBase))
     }
@@ -57,8 +78,10 @@ class PolycentricBackupActivity : AppCompatActivity() {
 
         _buttonShare = findViewById(R.id.button_share)
         _buttonCopy = findViewById(R.id.button_copy)
+        _buttonExportFile = findViewById(R.id.button_export_file)
         _imageQR = findViewById(R.id.image_qr)
         _textQR = findViewById(R.id.text_qr)
+        _textQRHint = findViewById(R.id.text_qr_hint)
         _loader = findViewById(R.id.progress_loader)
         findViewById<ImageButton>(R.id.button_back).setOnClickListener {
             finish();
@@ -66,14 +89,23 @@ class PolycentricBackupActivity : AppCompatActivity() {
 
         _imageQR.visibility = View.INVISIBLE
         _textQR.visibility = View.INVISIBLE
+        _textQRHint.visibility = View.INVISIBLE
         _loader.visibility = View.VISIBLE
         _buttonShare.visibility = View.INVISIBLE
         _buttonCopy.visibility = View.INVISIBLE
+        _buttonExportFile.visibility = View.INVISIBLE
 
         lifecycleScope.launch {
+            val bundle = withContext(Dispatchers.IO) { createExportBundle() }
+            _exportBundle = bundle
+            Logger.i(TAG, "Export bundle created, length: ${bundle.length}")
+            
             try {
                 val pair = withContext(Dispatchers.IO) {
-                    val bundle = createExportBundle()
+                    if (!isContentSuitableForQRCode(bundle)) {
+                        throw Exception("Data too big for QR code generation")
+                    }
+                    
                     val dimension = TypedValue.applyDimension(
                         TypedValue.COMPLEX_UNIT_DIP, 200f, resources.displayMetrics
                     ).toInt()
@@ -81,18 +113,35 @@ class PolycentricBackupActivity : AppCompatActivity() {
                     Pair(bundle, qr)
                 }
 
-                _exportBundle = pair.first
                 _imageQR.setImageBitmap(pair.second)
                 _imageQR.visibility = View.VISIBLE
                 _textQR.visibility = View.VISIBLE
+                _textQRHint.visibility = View.VISIBLE
                 _buttonShare.visibility = View.VISIBLE
                 _buttonCopy.visibility = View.VISIBLE
+                
+                _imageQR.setOnClickListener {
+                    val intent = QRCodeFullscreenActivity.createIntent(this@PolycentricBackupActivity, _exportBundle)
+                    startActivity(intent)
+                }
             } catch (e: Exception) {
-                Logger.e(TAG, getString(R.string.failed_to_generate_qr_code), e)
+                val byteSize = bundle.toByteArray(Charsets.UTF_8).size
+                Logger.e(TAG, "QR code generation failed. Bundle length: ${bundle.length} chars, ${byteSize} bytes, Error: ${e.message}", e)
+                
+                if (e.message?.contains("Data too big") == true) {
+                    _textQR.text = getString(R.string.qr_code_too_large_use_file_export)
+                    _buttonExportFile.visibility = View.VISIBLE
+                } else {
+                    _textQR.text = getString(R.string.failed_to_generate_qr_code)
+                }
+                
+                _textQR.visibility = View.VISIBLE
+                _textQRHint.visibility = View.INVISIBLE
+                _buttonShare.visibility = View.VISIBLE
+                _buttonCopy.visibility = View.VISIBLE
+                
+                // Hide QR image since generation failed
                 _imageQR.visibility = View.INVISIBLE
-                _textQR.visibility = View.INVISIBLE
-                _buttonShare.visibility = View.INVISIBLE
-                _buttonCopy.visibility = View.INVISIBLE
             } finally {
                 _loader.visibility = View.GONE
             }
@@ -108,11 +157,29 @@ class PolycentricBackupActivity : AppCompatActivity() {
             val clip = ClipData.newPlainText(getString(R.string.copied_text), _exportBundle);
             clipboard.setPrimaryClip(clip);
         };
+
+        _buttonExportFile.onClick.subscribe {
+            val fileName = "polycentric_profile_${System.currentTimeMillis()}.txt"
+            _createDocumentLauncher.launch(fileName)
+        };
+    }
+
+    private fun isContentSuitableForQRCode(content: String): Boolean {
+        val bytes = content.toByteArray(Charsets.UTF_8)
+        return bytes.size <= 2300  // QR Code Version 40 with Error Correction Level M can hold ~2331 bytes
     }
 
     private fun generateQRCode(content: String, width: Int, height: Int): Bitmap {
-        val bitMatrix = MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height);
-        return bitMatrixToBitmap(bitMatrix);
+        if (!isContentSuitableForQRCode(content)) {
+            throw Exception("Data too big for QR code generation")
+        }
+        
+        val hints = java.util.EnumMap<EncodeHintType, Any>(EncodeHintType::class.java)
+        hints[EncodeHintType.ERROR_CORRECTION] = ErrorCorrectionLevel.M
+        hints[EncodeHintType.MARGIN] = 1
+        
+        val bitMatrix = MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height, hints)
+        return bitMatrixToBitmap(bitMatrix)
     }
 
     private fun bitMatrixToBitmap(matrix: BitMatrix): Bitmap {
@@ -203,7 +270,8 @@ class PolycentricBackupActivity : AppCompatActivity() {
             .setBody(exportBundle.toByteString())
             .build();
 
-        return "polycentric://" + urlInfo.toByteArray().toBase64Url()
+        val data = urlInfo.toByteArray()
+        return "polycentric://" + data.toBase64Url()
     }
 
     companion object {

app/src/main/java/com/futo/platformplayer/activities/PolycentricImportProfileActivity.kt

@@ -32,100 +32,166 @@ import userpackage.Protocol
 import userpackage.Protocol.ExportBundle
 
 class PolycentricImportProfileActivity : AppCompatActivity() {
-    private lateinit var _buttonHelp: ImageButton;
-    private lateinit var _buttonScanProfile: LinearLayout;
-    private lateinit var _buttonImportProfile: LinearLayout;
-    private lateinit var _editProfile: EditText;
-    private lateinit var _loaderOverlay: LoaderOverlay;
+    private lateinit var _buttonHelp: ImageButton
+    private lateinit var _buttonScanProfile: LinearLayout
+    private lateinit var _buttonImportFile: LinearLayout
+    private lateinit var _buttonImportProfile: LinearLayout
+    private lateinit var _editProfile: EditText
+    private lateinit var _loaderOverlay: LoaderOverlay
 
-    private val _qrCodeResultLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
-        val scanResult = IntentIntegrator.parseActivityResult(result.resultCode, result.data)
-        scanResult?.let {
-            if (it.contents != null) {
-                val scannedUrl = it.contents
-                import(scannedUrl)
+    private val _qrCodeResultLauncher =
+            registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+                val scanResult =
+                        IntentIntegrator.parseActivityResult(result.resultCode, result.data)
+                scanResult?.let {
+                    if (it.contents != null) {
+                        val scannedUrl = it.contents
+                        import(scannedUrl)
+                    }
+                }
+            }
+
+    private val _filePickerLauncher =
+            registerForActivityResult(ActivityResultContracts.GetContent()) { uri ->
+                uri?.let { fileUri ->
+                    try {
+                        // Check file size before reading
+                        val fileSize =
+                                contentResolver.openFileDescriptor(fileUri, "r")?.statSize ?: 0
+                        val maxFileSize = 10 * 1024 * 1024 // 10MB limit
+
+                        if (fileSize > maxFileSize) {
+                            UIDialogs.toast(this, "File too large. Maximum size is 10MB.")
+                            return@let
+                        }
+
+                        if (fileSize == 0L) {
+                            UIDialogs.toast(this, "Selected file is empty.")
+                            return@let
+                        }
+
+                        val content =
+                                contentResolver
+                                        .openInputStream(fileUri)
+                                        ?.bufferedReader()
+                                        ?.readText()
+                        content?.let { fileContent ->
+                            val trimmedContent = fileContent.trim()
+
+                            // Check if content is empty after trimming
+                            if (trimmedContent.isEmpty()) {
+                                UIDialogs.toast(this, "Selected file contains no data.")
+                                return@let
+                            }
+
+                            // Check if content looks like a valid polycentric URL
+                            if (!trimmedContent.startsWith("polycentric://")) {
+                                UIDialogs.toast(
+                                        this,
+                                        "Selected file does not contain a valid polycentric profile URL."
+                                )
+                                return@let
+                            }
+
+                            import(trimmedContent)
+                        }
+                                ?: run { UIDialogs.toast(this, "Could not read file content.") }
+                    } catch (e: SecurityException) {
+                        Logger.e(TAG, "Security exception reading file", e)
+                        UIDialogs.toast(this, "Permission denied to read file.")
+                    } catch (e: OutOfMemoryError) {
+                        Logger.e(TAG, "Out of memory reading file", e)
+                        UIDialogs.toast(this, "File too large to process.")
+                    } catch (e: Exception) {
+                        Logger.e(TAG, "Failed to read file", e)
+                        UIDialogs.toast(this, "Failed to read file: ${e.message}")
+                    }
+                }
             }
-        }
-    }
 
     override fun attachBaseContext(newBase: Context?) {
         super.attachBaseContext(StateApp.instance.getLocaleContext(newBase))
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_polycentric_import_profile);
-        setNavigationBarColorAndIcons();
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_polycentric_import_profile)
+        setNavigationBarColorAndIcons()
 
-        _buttonHelp = findViewById(R.id.button_help);
-        _buttonScanProfile = findViewById(R.id.button_scan_profile);
-        _buttonImportProfile = findViewById(R.id.button_import_profile);
-        _loaderOverlay = findViewById(R.id.loader_overlay);
-        _editProfile = findViewById(R.id.edit_profile);
-        findViewById<ImageButton>(R.id.button_back).setOnClickListener {
-            finish();
-        };
+        _buttonHelp = findViewById(R.id.button_help)
+        _buttonScanProfile = findViewById(R.id.button_scan_profile)
+        _buttonImportFile = findViewById(R.id.button_import_file)
+        _buttonImportProfile = findViewById(R.id.button_import_profile)
+        _loaderOverlay = findViewById(R.id.loader_overlay)
+        _editProfile = findViewById(R.id.edit_profile)
+        findViewById<ImageButton>(R.id.button_back).setOnClickListener { finish() }
 
         _buttonHelp.setOnClickListener {
-            startActivity(Intent(this, PolycentricWhyActivity::class.java));
-        };
+            startActivity(Intent(this, PolycentricWhyActivity::class.java))
+        }
 
         _buttonScanProfile.setOnClickListener {
             val integrator = IntentIntegrator(this)
             integrator.setDesiredBarcodeFormats(IntentIntegrator.QR_CODE)
             integrator.setPrompt(getString(R.string.scan_a_qr_code))
-            integrator.setOrientationLocked(true);
+            integrator.setOrientationLocked(true)
             integrator.setCameraId(0)
             integrator.setBeepEnabled(false)
             integrator.setBarcodeImageEnabled(true)
-            integrator.setCaptureActivity(QRCaptureActivity::class.java);
+            integrator.setCaptureActivity(QRCaptureActivity::class.java)
             _qrCodeResultLauncher.launch(integrator.createScanIntent())
-        };
+        }
+
+        _buttonImportFile.setOnClickListener { _filePickerLauncher.launch("text/plain") }
 
         _buttonImportProfile.setOnClickListener {
             if (_editProfile.text.isEmpty()) {
-                UIDialogs.toast(this, getString(R.string.text_field_does_not_contain_any_data));
-                return@setOnClickListener;
+                UIDialogs.toast(this, getString(R.string.text_field_does_not_contain_any_data))
+                return@setOnClickListener
             }
 
-            import(_editProfile.text.toString());
-        };
+            import(_editProfile.text.toString())
+        }
 
-        val url = intent.getStringExtra("url");
+        val url = intent.getStringExtra("url")
         if (url != null) {
-            import(url);
+            import(url)
         }
     }
 
     private fun import(url: String) {
         if (!url.startsWith("polycentric://")) {
-            UIDialogs.toast(this, getString(R.string.not_a_valid_url));
-            return;
+            UIDialogs.toast(this, getString(R.string.not_a_valid_url))
+            return
         }
 
         _loaderOverlay.show()
 
         lifecycleScope.launch(Dispatchers.IO) {
             try {
-                val data = url.substring("polycentric://".length).base64UrlToByteArray();
-                val urlInfo = Protocol.URLInfo.parseFrom(data);
+                val data = url.substring("polycentric://".length).base64UrlToByteArray()
+                val urlInfo = Protocol.URLInfo.parseFrom(data)
+
                 if (urlInfo.urlType != 3L) {
                     throw Exception("Expected urlInfo struct of type ExportBundle")
                 }
 
-                val exportBundle = ExportBundle.parseFrom(urlInfo.body);
-                val keyPair = KeyPair.fromProto(exportBundle.keyPair);
+                val exportBundle = ExportBundle.parseFrom(urlInfo.body)
+                val keyPair = KeyPair.fromProto(exportBundle.keyPair)
 
-                val existingProcessSecret = Store.instance.getProcessSecret(keyPair.publicKey);
+                val existingProcessSecret = Store.instance.getProcessSecret(keyPair.publicKey)
                 if (existingProcessSecret != null) {
                     withContext(Dispatchers.Main) {
-                        UIDialogs.toast(this@PolycentricImportProfileActivity, getString(R.string.this_profile_is_already_imported));
+                        UIDialogs.toast(
+                                this@PolycentricImportProfileActivity,
+                                getString(R.string.this_profile_is_already_imported)
+                        )
                     }
-                    return@launch;
+                    return@launch
                 }
 
-                val processSecret = ProcessSecret(keyPair, Process.random());
-                Store.instance.addProcessSecret(processSecret);
+                val processSecret = ProcessSecret(keyPair, Process.random())
+                Store.instance.addProcessSecret(processSecret)
 
                 try {
                     PolycentricStorage.instance.addProcessSecret(processSecret)
@@ -133,37 +199,43 @@ class PolycentricImportProfileActivity : AppCompatActivity() {
                     Logger.e(TAG, "Failed to save process secret to secret storage.", e)
                 }
 
-                val processHandle = processSecret.toProcessHandle();
+                val processHandle = processSecret.toProcessHandle()
 
                 for (e in exportBundle.events.eventsList) {
                     try {
-                        val se = SignedEvent.fromProto(e);
-                        Store.instance.putSignedEvent(se);
+                        val se = SignedEvent.fromProto(e)
+                        Store.instance.putSignedEvent(se)
                     } catch (e: Throwable) {
-                        Logger.w(TAG, "Ignored invalid event", e);
+                        Logger.w(TAG, "Ignored invalid event", e)
                     }
                 }
 
-                StatePolycentric.instance.setProcessHandle(processHandle);
-                processHandle.fullyBackfillClient(ApiMethods.SERVER);
+                StatePolycentric.instance.setProcessHandle(processHandle)
+                processHandle.fullyBackfillClient(ApiMethods.SERVER)
                 withContext(Dispatchers.Main) {
-                    startActivity(Intent(this@PolycentricImportProfileActivity, PolycentricProfileActivity::class.java));
-                    finish();
+                    startActivity(
+                            Intent(
+                                    this@PolycentricImportProfileActivity,
+                                    PolycentricProfileActivity::class.java
+                            )
+                    )
+                    finish()
                 }
             } catch (e: Throwable) {
-                Logger.w(TAG, "Failed to import profile", e);
+                Logger.w(TAG, "Failed to import profile", e)
                 withContext(Dispatchers.Main) {
-                    UIDialogs.toast(this@PolycentricImportProfileActivity, getString(R.string.failed_to_import_profile) + " '${e.message}'");
+                    UIDialogs.toast(
+                            this@PolycentricImportProfileActivity,
+                            getString(R.string.failed_to_import_profile) + " '${e.message}'"
+                    )
                 }
             } finally {
-                withContext(Dispatchers.Main) {
-                    _loaderOverlay.hide();
-                }
+                withContext(Dispatchers.Main) { _loaderOverlay.hide() }
             }
         }
     }
 
     companion object {
-        private const val TAG = "PolycentricImportProfileActivity";
+        private const val TAG = "PolycentricImportProfileActivity"
     }
-}
+}

app/src/main/java/com/futo/platformplayer/activities/QRCodeFullscreenActivity.kt

@@ -0,0 +1,109 @@
+package com.futo.platformplayer.activities
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.Color
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.View
+import android.widget.ImageButton
+import android.widget.ImageView
+import androidx.appcompat.app.AppCompatActivity
+import com.futo.platformplayer.R
+import com.futo.platformplayer.setNavigationBarColorAndIcons
+import com.futo.platformplayer.states.StateApp
+import com.google.zxing.BarcodeFormat
+import com.google.zxing.EncodeHintType
+import com.google.zxing.MultiFormatWriter
+import com.google.zxing.common.BitMatrix
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel
+
+class QRCodeFullscreenActivity : AppCompatActivity() {
+    companion object {
+        private const val EXTRA_QR_TEXT = "qr_text"
+        
+        fun createIntent(context: Context, qrText: String): android.content.Intent {
+            return android.content.Intent(context, QRCodeFullscreenActivity::class.java).apply {
+                putExtra(EXTRA_QR_TEXT, qrText)
+            }
+        }
+    }
+
+    override fun attachBaseContext(newBase: Context?) {
+        super.attachBaseContext(StateApp.instance.getLocaleContext(newBase))
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_qr_code_fullscreen)
+        setNavigationBarColorAndIcons()
+
+        val qrText = intent.getStringExtra(EXTRA_QR_TEXT)
+
+        val imageQR = findViewById<ImageView>(R.id.image_qr_fullscreen)
+        val buttonBack = findViewById<ImageButton>(R.id.button_back_fullscreen)
+        val buttonClose = findViewById<ImageButton>(R.id.button_close_fullscreen)
+
+        // Generate QR code bitmap from text
+        qrText?.let { text ->
+            try {
+                if (!isContentSuitableForQRCode(text)) {
+                    throw Exception("Data too big for QR code generation")
+                }
+                
+                val dimension = TypedValue.applyDimension(
+                    TypedValue.COMPLEX_UNIT_DIP, 300f, resources.displayMetrics
+                ).toInt()
+                val qrBitmap = generateQRCode(text, dimension, dimension)
+                imageQR.setImageBitmap(qrBitmap)
+            } catch (e: Exception) {
+                // If QR generation fails, show error or fallback
+                imageQR.setImageResource(R.drawable.ic_qr)
+            }
+        }
+
+        buttonBack.setOnClickListener {
+            finish()
+        }
+
+        buttonClose.setOnClickListener {
+            finish()
+        }
+
+        imageQR.setOnClickListener {
+            finish()
+        }
+    }
+
+    private fun isContentSuitableForQRCode(content: String): Boolean {
+        val bytes = content.toByteArray(Charsets.UTF_8)
+        return bytes.size <= 2300  // QR Code Version 40 with Error Correction Level M can hold ~2331 bytes
+    }
+
+    private fun generateQRCode(content: String, width: Int, height: Int): Bitmap {
+        if (!isContentSuitableForQRCode(content)) {
+            throw Exception("Data too big for QR code generation")
+        }
+        
+        val hints = java.util.EnumMap<EncodeHintType, Any>(EncodeHintType::class.java)
+        hints[EncodeHintType.ERROR_CORRECTION] = ErrorCorrectionLevel.M
+        hints[EncodeHintType.MARGIN] = 1
+        
+        val bitMatrix = MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height, hints)
+        return bitMatrixToBitmap(bitMatrix)
+    }
+
+    private fun bitMatrixToBitmap(matrix: BitMatrix): Bitmap {
+        val width = matrix.width
+        val height = matrix.height
+        val bmp = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565)
+
+        for (x in 0 until width) {
+            for (y in 0 until height) {
+                bmp.setPixel(x, y, if (matrix[x, y]) Color.BLACK else Color.WHITE)
+            }
+        }
+        return bmp
+    }
+}
+

app/src/main/java/com/futo/platformplayer/activities/SettingsActivity.kt

@@ -1,208 +0,0 @@
-package com.futo.platformplayer.activities
-
-import android.annotation.SuppressLint
-import android.app.NotificationManager
-import android.content.Context
-import android.content.Intent
-import android.content.pm.PackageManager
-import android.os.Bundle
-import android.view.View
-import android.widget.FrameLayout
-import android.widget.ImageButton
-import android.widget.LinearLayout
-import androidx.activity.result.ActivityResult
-import androidx.activity.result.ActivityResultLauncher
-import androidx.activity.result.contract.ActivityResultContracts
-import androidx.appcompat.app.AppCompatActivity
-import androidx.core.app.ActivityCompat
-import androidx.core.content.ContextCompat
-import androidx.lifecycle.lifecycleScope
-import com.futo.platformplayer.*
-import com.futo.platformplayer.constructs.Event0
-import com.futo.platformplayer.logging.Logger
-import com.futo.platformplayer.states.StateApp
-import com.futo.platformplayer.views.LoaderView
-import com.futo.platformplayer.views.fields.FieldForm
-import com.futo.platformplayer.views.fields.ReadOnlyTextField
-import com.google.android.material.button.MaterialButton
-
-class SettingsActivity : AppCompatActivity(), IWithResultLauncher {
-    private lateinit var _form: FieldForm;
-    private lateinit var _buttonBack: ImageButton;
-    private lateinit var _loaderView: LoaderView;
-
-    private lateinit var _devSets: LinearLayout;
-    private lateinit var _buttonDev: MaterialButton;
-
-    private var _isFinished = false;
-
-    lateinit var overlay: FrameLayout;
-
-    val notifPermission = "android.permission.POST_NOTIFICATIONS";
-    val requestPermissionLauncher =  registerForActivityResult(ActivityResultContracts.RequestPermission()) { isGranted: Boolean ->
-        if (isGranted)
-            UIDialogs.toast(this, "Notification permission granted");
-        else
-            UIDialogs.toast(this, "Notification permission denied");
-    }
-
-    override fun attachBaseContext(newBase: Context?) {
-        Logger.i("SettingsActivity", "SettingsActivity.attachBaseContext")
-        super.attachBaseContext(StateApp.instance.getLocaleContext(newBase))
-    }
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_settings);
-        setNavigationBarColorAndIcons();
-
-        _form = findViewById(R.id.settings_form);
-        _buttonBack = findViewById(R.id.button_back);
-        _buttonDev = findViewById(R.id.button_dev);
-        _devSets = findViewById(R.id.dev_settings);
-        _loaderView = findViewById(R.id.loader);
-        overlay = findViewById(R.id.overlay_container);
-
-        _form.onChanged.subscribe { field, _ ->
-            Logger.i("SettingsActivity", "Setting [${field.field?.name}] changed, saving");
-            _form.setObjectValues();
-            Settings.instance.save();
-
-            if(field.descriptor?.id == "app_language") {
-                Logger.i("SettingsActivity", "App language change detected, propogating to shared preferences");
-                StateApp.instance.setLocaleSetting(this, Settings.instance.language.getAppLanguageLocaleString());
-            }
-
-            if(field.descriptor?.id == "background_update") {
-                Logger.i("SettingsActivity", "Detected change in background work ${field.value}");
-                if(Settings.instance.subscriptions.subscriptionsBackgroundUpdateInterval > 0) {
-                    val notifManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager;
-                    if(!notifManager.areNotificationsEnabled()) {
-                        UIDialogs.toast(this, "Notifications aren't enabled");
-
-                        when {
-                            ContextCompat.checkSelfPermission(this, notifPermission) == PackageManager.PERMISSION_GRANTED -> {
-
-                            }
-                            ActivityCompat.shouldShowRequestPermissionRationale(this, notifPermission) -> {
-                                UIDialogs.showDialog(this, R.drawable.ic_notifications, "Notifications Required",
-                                    "Notifications need to be enabled for background updating to function", null, 0,
-                                    UIDialogs.Action("Cancel", {}),
-                                    UIDialogs.Action("Enable", {
-                                        requestPermissionLauncher.launch(notifPermission);
-                                    }, UIDialogs.ActionStyle.PRIMARY));
-                            }
-                            else -> {
-                                requestPermissionLauncher.launch(notifPermission);
-                            }
-                        }
-                    }
-                }
-            }
-        };
-        _buttonBack.setOnClickListener {
-            finish();
-        }
-
-        _buttonDev.setOnClickListener {
-            startActivity(Intent(this, DeveloperActivity::class.java));
-        }
-
-        _lastActivity = this;
-
-        reloadSettings();
-    }
-
-    var isFirstLoad = true;
-    fun reloadSettings() {
-        val firstLoad = isFirstLoad;
-        isFirstLoad = false;
-        _form.setSearchVisible(false);
-        _loaderView.start();
-        _form.fromObject(lifecycleScope, Settings.instance) {
-            _loaderView.stop();
-            _form.setSearchVisible(true);
-
-            var devCounter = 0;
-            _form.findField("code")?.assume<ReadOnlyTextField>()?.setOnClickListener {
-                devCounter++;
-                if(devCounter > 5) {
-                    devCounter = 0;
-                    SettingsDev.instance.developerMode = true;
-                    SettingsDev.instance.save();
-                    updateDevMode();
-                    UIDialogs.toast(this, getString(R.string.you_are_now_in_developer_mode));
-                }
-            };
-
-            if(firstLoad) {
-                val query = intent.getStringExtra("query");
-                if(!query.isNullOrEmpty()) {
-                    _form.setSearchQuery(query);
-                }
-            }
-        };
-    }
-
-    override fun onResume() {
-        super.onResume()
-        updateDevMode();
-    }
-
-    fun updateDevMode() {
-        if(SettingsDev.instance.developerMode)
-            _devSets.visibility = View.VISIBLE;
-        else
-            _devSets.visibility = View.GONE;
-    }
-
-    override fun finish() {
-        super.finish()
-        _isFinished = true;
-        if(_lastActivity == this)
-            _lastActivity = null;
-        overridePendingTransition(R.anim.slide_lighten, R.anim.slide_out_up)
-    }
-
-
-
-
-    private var resultLauncherMap =  mutableMapOf<Int, (ActivityResult)->Unit>();
-    private var requestCode: Int? = -1;
-    private val resultLauncher: ActivityResultLauncher<Intent> = registerForActivityResult(
-        ActivityResultContracts.StartActivityForResult()) {
-            result: ActivityResult ->
-        val handler = synchronized(resultLauncherMap) {
-            resultLauncherMap.remove(requestCode);
-        }
-        if(handler != null)
-            handler(result);
-    };
-    override fun launchForResult(intent: Intent, code: Int, handler: (ActivityResult)->Unit) {
-        synchronized(resultLauncherMap) {
-            resultLauncherMap[code] = handler;
-        }
-        requestCode = code;
-        resultLauncher.launch(intent);
-    }
-
-    override fun onDestroy() {
-        super.onDestroy()
-        settingsActivityClosed.emit()
-    }
-
-
-    companion object {
-        //TODO: Temporary for solving Settings issues
-        @SuppressLint("StaticFieldLeak")
-        private var _lastActivity: SettingsActivity? = null;
-
-        val settingsActivityClosed = Event0()
-
-        fun getActivity(): SettingsActivity? {
-            val act = _lastActivity;
-            if(act != null && !act._isFinished)
-                return act;
-            return null;
-        }
-    }
-}

app/src/main/java/com/futo/platformplayer/api/http/server/handlers/HttpContentUriHandler.kt

@@ -0,0 +1,318 @@
+package com.futo.platformplayer.api.http.server.handlers
+
+import android.content.ContentResolver
+import android.content.Context
+import android.net.Uri
+import android.provider.MediaStore
+import android.provider.OpenableColumns
+import com.futo.platformplayer.api.http.server.HttpContext
+import com.futo.platformplayer.api.http.server.HttpHeaders
+import com.futo.platformplayer.logging.Logger
+import java.io.FileNotFoundException
+import java.io.InputStream
+import java.io.OutputStream
+import java.text.SimpleDateFormat
+import java.util.*
+
+class HttpContentUriHandler(
+    method: String,
+    path: String,
+    private val contentResolver: ContentResolver,
+    private val uri: Uri,
+    private val explicitContentType: String? = null
+) : HttpHandler(method, path) {
+
+    override fun handle(httpContext: HttpContext) {
+        val resolver = contentResolver
+        val requestHeaders = httpContext.headers
+        val responseHeaders = this.headers.clone()
+
+        val meta = try {
+            queryMetadata(resolver, uri)
+        } catch (e: Exception) {
+            Logger.e(TAG, "Failed to query metadata for $uri", e)
+            httpContext.respondCode(404, responseHeaders)
+            return
+        }
+
+        val contentType = explicitContentType
+            ?: resolver.getType(uri)
+            ?: "application/octet-stream"
+        responseHeaders["Content-Type"] = contentType
+
+        meta.lastModifiedMillis?.let { lastModified ->
+            responseHeaders["Last-Modified"] = httpDateFormat.format(Date(lastModified))
+
+            val ifModifiedSinceHeader = requestHeaders["If-Modified-Since"]
+            if (ifModifiedSinceHeader != null) {
+                val ifModifiedSince = try {
+                    httpDateFormat.parse(ifModifiedSinceHeader)
+                } catch (_: Exception) {
+                    null
+                }
+
+                if (ifModifiedSince != null && lastModified <= ifModifiedSince.time) {
+                    httpContext.respondCode(304, responseHeaders)
+                    return
+                }
+            }
+        }
+
+        val safeName = (meta.displayName ?: "content.bin").replace("\"", "\\\"")
+        responseHeaders["Content-Disposition"] = "attachment; filename=\"$safeName\""
+
+        val length = meta.size
+        if (length == null) {
+            Logger.i(TAG, "Streaming $uri with unknown length; Range not supported")
+            responseHeaders.remove("Content-Length")
+            responseHeaders.remove("Content-Range")
+            responseHeaders.remove("Accept-Ranges")
+
+            stream(
+                httpContext = httpContext,
+                resolver = resolver,
+                uri = uri,
+                statusCode = 200,
+                headers = responseHeaders,
+                start = null,
+                length = null
+            )
+            return
+        }
+
+        responseHeaders["Accept-Ranges"] = "bytes"
+
+        val rangeHeader = requestHeaders["Range"]
+        if (rangeHeader.isNullOrBlank()) {
+            responseHeaders["Content-Length"] = length.toString()
+            Logger.i(TAG, "Sending full content for $uri, length=$length")
+
+            stream(
+                httpContext = httpContext,
+                resolver = resolver,
+                uri = uri,
+                statusCode = 200,
+                headers = responseHeaders,
+                start = 0L,
+                length = length
+            )
+            return
+        }
+
+        val range = parseRange(rangeHeader, length)
+        if (range == null) {
+            Logger.w(TAG, "Invalid Range '$rangeHeader' for $uri (length=$length)")
+            responseHeaders["Content-Range"] = "bytes */$length"
+            httpContext.respondCode(416, responseHeaders)
+            return
+        }
+
+        val start = range.first
+        val endInclusive = range.last
+        val bytesToSend = endInclusive - start + 1
+
+        responseHeaders["Content-Range"] = "bytes $start-$endInclusive/$length"
+        responseHeaders["Content-Length"] = bytesToSend.toString()
+        Logger.i(TAG, "Sending range $start-$endInclusive (length=$bytesToSend) of $length for $uri")
+
+        stream(
+            httpContext = httpContext,
+            resolver = resolver,
+            uri = uri,
+            statusCode = 206,
+            headers = responseHeaders,
+            start = start,
+            length = bytesToSend
+        )
+    }
+
+    data class ContentMeta(
+        val displayName: String?,
+        val size: Long?,
+        val lastModifiedMillis: Long?
+    )
+
+    private fun queryMetadata(resolver: ContentResolver, uri: Uri): ContentMeta {
+        var displayName: String? = null
+        var size: Long? = null
+        var lastModifiedMillis: Long? = null
+
+        resolver.query(uri, null, null, null, null)?.use { cursor ->
+            if (cursor.moveToFirst()) {
+                val nameIndex = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)
+                if (nameIndex != -1 && !cursor.isNull(nameIndex)) {
+                    displayName = cursor.getString(nameIndex)
+                }
+
+                val sizeIndex = cursor.getColumnIndex(OpenableColumns.SIZE)
+                if (sizeIndex != -1 && !cursor.isNull(sizeIndex)) {
+                    val s = cursor.getLong(sizeIndex)
+                    if (s >= 0) size = s   // -1 means unknown
+                }
+
+                val dateModifiedIndex = cursor.getColumnIndex(MediaStore.MediaColumns.DATE_MODIFIED)
+                if (dateModifiedIndex != -1 && !cursor.isNull(dateModifiedIndex)) {
+                    val seconds = cursor.getLong(dateModifiedIndex)
+                    if (seconds > 0) {
+                        lastModifiedMillis = seconds * 1000L
+                    }
+                }
+
+                if (lastModifiedMillis == null) {
+                    val dateAddedIndex = cursor.getColumnIndex(MediaStore.MediaColumns.DATE_ADDED)
+                    if (dateAddedIndex != -1 && !cursor.isNull(dateAddedIndex)) {
+                        val seconds = cursor.getLong(dateAddedIndex)
+                        if (seconds > 0) {
+                            lastModifiedMillis = seconds * 1000L
+                        }
+                    }
+                }
+            }
+        }
+
+        if (displayName == null) {
+            displayName = uri.lastPathSegment
+        }
+
+        if (size == null) {
+            try {
+                resolver.openAssetFileDescriptor(uri, "r")?.use { afd ->
+                    val assetLen = afd.length
+                    if (assetLen >= 0) {
+                        size = assetLen
+                    }
+                }
+            } catch (_: Exception) { }
+        }
+
+        return ContentMeta(
+            displayName = displayName,
+            size = size,
+            lastModifiedMillis = lastModifiedMillis
+        )
+    }
+
+    private fun parseRange(header: String, totalLength: Long): LongRange? {
+        if (totalLength <= 0L) return null
+
+        val prefix = "bytes="
+        if (!header.startsWith(prefix, ignoreCase = true)) return null
+
+        val spec = header.substring(prefix.length).trim()
+        if (spec.isEmpty()) return null
+
+        if (spec.contains(",")) return null
+
+        val dashIndex = spec.indexOf('-')
+        if (dashIndex < 0) return null
+
+        val startPart = spec.substring(0, dashIndex).trim()
+        val endPart = spec.substring(dashIndex + 1).trim()
+
+        return when {
+            startPart.isNotEmpty() -> {
+                val start = startPart.toLongOrNull() ?: return null
+                if (start < 0 || start >= totalLength) return null
+
+                val end = if (endPart.isNotEmpty()) {
+                    val rawEnd = endPart.toLongOrNull() ?: return null
+                    if (rawEnd < start) return null
+                    rawEnd.coerceAtMost(totalLength - 1)
+                } else {
+                    totalLength - 1
+                }
+
+                start..end
+            }
+
+            endPart.isNotEmpty() -> {
+                val suffixLen = endPart.toLongOrNull() ?: return null
+                if (suffixLen <= 0L) return null
+
+                if (suffixLen >= totalLength) {
+                    0L..(totalLength - 1)
+                } else {
+                    val start = totalLength - suffixLen
+                    val end = totalLength - 1
+                    start..end
+                }
+            }
+
+            else -> null
+        }
+    }
+
+    private fun stream(httpContext: HttpContext, resolver: ContentResolver, uri: Uri, statusCode: Int, headers: HttpHeaders, start: Long?, length: Long?) {
+        try {
+            val input = resolver.openInputStream(uri)
+            if (input == null) {
+                Logger.w(TAG, "Content not found: $uri")
+                httpContext.respondCode(404, headers)
+                return
+            }
+
+            input.use { inputStream ->
+                httpContext.respond(statusCode, headers) { outputStream ->
+                    try {
+                        val offset = start ?: 0L
+                        if (offset > 0L) {
+                            skipFully(inputStream, offset)
+                        }
+                        copyStream(inputStream, outputStream, length)
+                        outputStream.flush()
+                    } catch (e: Exception) {
+                        Logger.e(TAG, "Error while streaming $uri (start=$start, length=$length)", e)
+                    }
+                }
+            }
+        } catch (e: FileNotFoundException) {
+            Logger.w(TAG, "Content not found: $uri", e)
+            httpContext.respondCode(404, headers)
+        } catch (e: Exception) {
+            Logger.e(TAG, "Failed to open stream for $uri", e)
+            httpContext.respondCode(500, headers)
+        }
+    }
+
+    private fun copyStream(input: InputStream, output: OutputStream, limit: Long?) {
+        val buffer = ByteArray(8192)
+        if (limit == null) {
+            while (true) {
+                val read = input.read(buffer)
+                if (read < 0) break
+                output.write(buffer, 0, read)
+            }
+        } else {
+            var remaining = limit
+            while (remaining > 0L) {
+                val toRead = remaining.coerceAtMost(buffer.size.toLong()).toInt()
+                val read = input.read(buffer, 0, toRead)
+                if (read < 0) break
+                output.write(buffer, 0, read)
+                remaining -= read.toLong()
+            }
+        }
+    }
+
+    private fun skipFully(input: InputStream, bytesToSkip: Long) {
+        var remaining = bytesToSkip
+        while (remaining > 0L) {
+            val skipped = input.skip(remaining)
+            if (skipped <= 0L) {
+                val b = input.read()
+                if (b == -1) break
+                remaining -= 1L
+            } else {
+                remaining -= skipped
+            }
+        }
+    }
+
+    companion object {
+        private const val TAG = "HttpContentUriHandler"
+
+        private val httpDateFormat = SimpleDateFormat("EEE, dd MMM yyyy HH:mm:ss 'GMT'", Locale.US).apply {
+            timeZone = TimeZone.getTimeZone("GMT")
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/api/http/server/handlers/HttpProxyHandler.kt

@@ -5,6 +5,7 @@ import android.util.Log
 import com.futo.platformplayer.api.http.server.HttpContext
 import com.futo.platformplayer.api.http.server.HttpHeaders
 import com.futo.platformplayer.api.http.ManagedHttpClient
+import com.futo.platformplayer.api.media.models.modifier.IRequest
 import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.parsers.HttpResponseParser
 import com.futo.platformplayer.readLine
@@ -27,6 +28,7 @@ class HttpProxyHandler(method: String, path: String, val targetUrl: String, priv
     private var _injectReferer = false;
 
     private val _client = ManagedHttpClient();
+    private var _requestModifier: ((String, Map<String, String>) -> IRequest)? = null;
 
     override fun handle(context: HttpContext) {
         if (useTcp) {
@@ -43,21 +45,33 @@ class HttpProxyHandler(method: String, path: String, val targetUrl: String, priv
         for (injectHeader in _injectRequestHeader)
             proxyHeaders[injectHeader.first] = injectHeader.second;
 
-        val parsed = Uri.parse(targetUrl);
+        val req = _requestModifier?.invoke(targetUrl, proxyHeaders)
+        var url = targetUrl
+        if (req != null) {
+            req.url?.let {
+                url = it
+            }
+            req.headers.let {
+                proxyHeaders.clear()
+                proxyHeaders.putAll(it)
+            }
+        }
+
+        val parsed = Uri.parse(url);
         if(_injectHost)
             proxyHeaders.put("Host", parsed.host!!);
         if(_injectReferer)
-            proxyHeaders.put("Referer", targetUrl);
+            proxyHeaders.put("Referer", url);
 
         val useMethod = if (method == "inherit") context.method else method;
-        Logger.i(TAG, "handleWithOkHttp Proxied Request ${useMethod}: ${targetUrl}");
+        Logger.i(TAG, "handleWithOkHttp Proxied Request ${useMethod}: ${url}");
         Logger.i(TAG, "handleWithOkHttp Headers:" + proxyHeaders.map { "${it.key}: ${it.value}" }.joinToString("\n"));
 
         val resp = when (useMethod) {
-            "GET" -> _client.get(targetUrl, proxyHeaders);
-            "POST" -> _client.post(targetUrl, content ?: "", proxyHeaders);
-            "HEAD" -> _client.head(targetUrl, proxyHeaders)
-            else -> _client.requestMethod(useMethod, targetUrl, proxyHeaders);
+            "GET" -> _client.get(url, proxyHeaders);
+            "POST" -> _client.post(url, content ?: "", proxyHeaders);
+            "HEAD" -> _client.head(url, proxyHeaders)
+            else -> _client.requestMethod(useMethod, url, proxyHeaders);
         };
 
         Logger.i(TAG, "Proxied Response [${resp.code}]");
@@ -91,11 +105,23 @@ class HttpProxyHandler(method: String, path: String, val targetUrl: String, priv
         for (injectHeader in _injectRequestHeader)
             proxyHeaders[injectHeader.first] = injectHeader.second;
 
-        val parsed = Uri.parse(targetUrl);
+        val req = _requestModifier?.invoke(targetUrl, proxyHeaders)
+        var url = targetUrl
+        if (req != null) {
+            req.url?.let {
+                url = it
+            }
+            req.headers.let {
+                proxyHeaders.clear()
+                proxyHeaders.putAll(it)
+            }
+        }
+
+        val parsed = Uri.parse(url);
         if(_injectHost)
             proxyHeaders.put("Host", parsed.host!!);
         if(_injectReferer)
-            proxyHeaders.put("Referer", targetUrl);
+            proxyHeaders.put("Referer", url);
 
         val useMethod = if (method == "inherit") context.method else method;
         Logger.i(TAG, "handleWithTcp Proxied Request ${useMethod}: ${parsed}");
@@ -242,6 +268,10 @@ class HttpProxyHandler(method: String, path: String, val targetUrl: String, priv
         _ignoreRequestHeaders.add("referer");
         return this;
     }
+    fun withRequestModifier(modifier: (String, Map<String, String>) -> IRequest) : HttpProxyHandler {
+        _requestModifier = modifier;
+        return this;
+    }
 
     companion object {
         private const val TAG = "HttpProxyHandler"

app/src/main/java/com/futo/platformplayer/api/media/models/video/LocalPlatformVideoDetails.kt

@@ -73,10 +73,10 @@ open class LocalVideoDetails(
     override val video: IVideoSourceDescriptor = (if(mimeType?.startsWith("audio/") ?: false)
         (LocalVideoUnMuxedSourceDescriptor(
             arrayOf(),
-            arrayOf(LocalAudioContentSource(url, mimeType ?: "", name))
+            arrayOf(LocalAudioContentSource(url, mimeType ?: "", name, duration))
         ))
         else (LocalVideoMuxedSourceDescriptor(
-            LocalVideoContentSource(url, mimeType ?: "", name)
+            LocalVideoContentSource(url, mimeType ?: "", name, duration)
         ))
     );
     override val preview: ISerializedVideoSourceDescriptor? = null;

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/JSClient.kt

@@ -153,8 +153,8 @@ open class JSClient : IPlatformClient {
         _captcha = descriptor.getCaptchaData();
         flags = descriptor.flags.toTypedArray();
 
-        _httpClient = JSHttpClient(this, null, _captcha);
-        _httpClientAuth = JSHttpClient(this, _auth, _captcha);
+        _httpClient = JSHttpClient(this, null, _captcha, config);
+        _httpClientAuth = JSHttpClient(this, _auth, _captcha, config);
         _plugin = V8Plugin(context, descriptor.config, null, _httpClient, _httpClientAuth);
         _plugin.withDependency(context, "scripts/polyfil.js");
         _plugin.withDependency(context, "scripts/source.js");
@@ -186,8 +186,8 @@ open class JSClient : IPlatformClient {
         _captcha = descriptor.getCaptchaData();
         flags = descriptor.flags.toTypedArray();
 
-        _httpClient = JSHttpClient(this, null, _captcha);
-        _httpClientAuth = JSHttpClient(this, _auth, _captcha);
+        _httpClient = JSHttpClient(this, null, _captcha, config);
+        _httpClientAuth = JSHttpClient(this, _auth, _captcha, config);
         _plugin = V8Plugin(context, descriptor.config, script, _httpClient, _httpClientAuth);
         _plugin.withDependency(context, "scripts/polyfil.js");
         _plugin.withDependency(context, "scripts/source.js");

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/SourcePluginAuthConfig.kt

@@ -2,6 +2,7 @@ package com.futo.platformplayer.api.media.platforms.js
 
 import kotlinx.serialization.Contextual
 import kotlinx.serialization.Serializable
+import kotlinx.serialization.Transient
 import java.util.Dictionary
 
 @Serializable
@@ -27,7 +28,7 @@ class SourcePluginAuthConfig(
         val details: String? = null,
         val once: Boolean? = true
     ) {
-        @Contextual
+        @Transient
         private var _regex: Regex? = null;
 
         fun getRegex(): Regex {

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/SourcePluginConfig.kt

@@ -23,7 +23,7 @@ class SourcePluginConfig(
     //Script
     val repositoryUrl: String? = null,
     val scriptUrl: String = "",
-    val version: Int = -1,
+    var version: Int = -1,
 
     val iconUrl: String? = null,
     var id: String = UUID.randomUUID().toString(),

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/internal/JSHttpClient.kt

@@ -23,6 +23,7 @@ import java.util.UUID
 class JSHttpClient : ManagedHttpClient {
     private val _jsClient: JSClient?;
     private val _jsConfig: SourcePluginConfig?;
+    val config get() = _jsConfig
     private val _auth: SourceAuth?;
     private val _captcha: SourceCaptchaData?;
 
@@ -254,6 +255,76 @@ class JSHttpClient : ManagedHttpClient {
 
         return resp;
     }
+    fun processRequest(method: String, responseCode: Int, url: Uri, headers: Map<String, List<String>>) {
+        if(doUpdateCookies) {
+            val domain = url.host?.lowercase() ?: return;
+            val domainParts = domain.split(".");
+            val defaultCookieDomain =
+                "." + domainParts.drop(domainParts.size - 2).joinToString(".");
+            for (header in headers) {
+                if(header.key.lowercase() == "set-cookie") {
+                    var domainToUse = domain;
+                    val cookie = cookieStringToPair(header.value.first());
+                    var cookieValue = cookie.second;
+
+                    if (cookie.first.isNotEmpty() && cookie.second.isNotEmpty()) {
+                        val cookieParts = cookie.second.split(";");
+                        if (cookieParts.size == 0)
+                            continue;
+                        cookieValue = cookieParts[0].trim();
+
+                        val cookieVariables = cookieParts.drop(1).map {
+                            val splitIndex = it.indexOf("=");
+                            if (splitIndex < 0)
+                                return@map Pair(it.trim().lowercase(), "");
+                            return@map Pair<String, String>(
+                                it.substring(0, splitIndex).lowercase().trim(),
+                                it.substring(splitIndex + 1).trim()
+                            );
+                        }.toMap();
+                        domainToUse = if (cookieVariables.containsKey("domain"))
+                            cookieVariables["domain"]!!.lowercase();
+                        else defaultCookieDomain;
+                        //TODO: Make sure this has no negative effect besides apply cookies to root domain
+                        if(!domainToUse.startsWith("."))
+                            domainToUse = ".${domainToUse}";
+                    }
+
+                    if ((_auth != null || _currentCookieMap.isNotEmpty())) {
+                        val cookieMap = if (_currentCookieMap.containsKey(domainToUse))
+                            _currentCookieMap[domainToUse]!!;
+                        else {
+                            val newMap = hashMapOf<String, String>();
+                            _currentCookieMap[domainToUse] = newMap
+                            newMap;
+                        }
+                        if (cookieMap.containsKey(cookie.first) || doAllowNewCookies)
+                            cookieMap[cookie.first] = cookieValue;
+                    }
+                    else {
+                        val cookieMap = if (_otherCookieMap.containsKey(domainToUse))
+                            _otherCookieMap[domainToUse]!!;
+                        else {
+                            val newMap = hashMapOf<String, String>();
+                            _otherCookieMap[domainToUse] = newMap
+                            newMap;
+                        }
+                        if (cookieMap.containsKey(cookie.first) || doAllowNewCookies)
+                            cookieMap[cookie.first] = cookieValue;
+                    }
+                }
+            }
+        }
+
+        if(_jsClient is DevJSClient) {
+            //val peekBody = resp.peekBody(1000 * 1000).string();
+            StateDeveloper.instance.addDevHttpExchange(
+                StateDeveloper.DevHttpExchange(
+                    StateDeveloper.DevHttpRequest(method, url.toString(), mapOf(*headers.map { Pair(it.key, it.value.joinToString(";")) }.toTypedArray()), ""),
+                    StateDeveloper.DevHttpRequest("RESP", url.toString(), mapOf(*headers.map { Pair(it.key, it.value.joinToString(";")) }.toTypedArray()), "", responseCode)
+                ));
+        }
+    }
 
     private fun cookieStringToPair(cookie: String): Pair<String, String> {
         val cookieKey = cookie.substring(0, cookie.indexOf("="));

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/models/JSRequestExecutor.kt

@@ -17,11 +17,14 @@ import com.futo.platformplayer.getOrThrow
 import com.futo.platformplayer.invokeV8
 import com.futo.platformplayer.invokeV8Void
 import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.states.StateApp
 import com.futo.platformplayer.states.StateDeveloper
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 import kotlinx.serialization.Serializable
 import java.util.Base64
 
-class JSRequestExecutor {
+class JSRequestExecutor: AutoCloseable {
     private val _plugin: JSClient;
     private val _config: IV8PluginConfig;
     private var _executor: V8ValueObject;
@@ -29,6 +32,9 @@ class JSRequestExecutor {
 
     private val hasCleanup: Boolean;
 
+    private var _cleanLock = Any();
+    private var _cleaned: Boolean = false;
+
     constructor(plugin: JSClient, executor: V8ValueObject) {
         this._plugin = plugin;
         this._executor = executor;
@@ -102,8 +108,12 @@ class JSRequestExecutor {
 
 
     open fun cleanup() {
-        if (!hasCleanup || _executor.isClosed)
-            return;
+        synchronized(_cleanLock) {
+            if (!hasCleanup || _executor.isClosed || _cleaned)
+                return;
+            _cleaned = true;
+        }
+        Logger.i("JSRequestExecutor", "JSRequestExecutor cleanup requested");
         _plugin.busy {
             if(_plugin is DevJSClient)
                 StateDeveloper.instance.handleDevCall(_plugin.devID, "requestExecutor.executeRequest()") {
@@ -125,9 +135,25 @@ class JSRequestExecutor {
         }
     }
 
-    protected fun finalize() {
+    override fun close() {
         cleanup();
     }
+
+    fun closeAsync() {
+        StateApp.instance.scopeOrNull?.launch(Dispatchers.IO){
+            try {
+                close();
+            }
+            catch(ex: Throwable) {
+                Logger.e("JSRequestExecutor", "Cleanup failed");
+            }
+        }
+    }
+
+    /*
+    protected fun finalize() {
+        cleanup();
+    }*/
 }
 
 //TODO: are these available..?

app/src/main/java/com/futo/platformplayer/api/media/platforms/js/models/JSSubtitleSource.kt

@@ -5,6 +5,7 @@ import com.caoccao.javet.values.primitive.V8ValueString
 import com.caoccao.javet.values.reference.V8ValueObject
 import com.futo.platformplayer.api.media.models.subtitles.ISubtitleSource
 import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
+import com.futo.platformplayer.getOrDefault
 import com.futo.platformplayer.getOrThrow
 import com.futo.platformplayer.getSourcePlugin
 import com.futo.platformplayer.invokeV8
@@ -30,7 +31,7 @@ class JSSubtitleSource : ISubtitleSource {
 
         val context = "JSSubtitles";
         name = v8Value.getOrThrow(config, "name", context, false);
-        language = v8Value.getOrThrow(config, "language", context, false);
+        language = v8Value.getOrDefault(config, "language", context, null);
         url = v8Value.getOrThrow(config, "url", context, true);
         format = v8Value.getOrThrow(config, "format", context, true);
         hasFetch = v8Value.has("getSubtitles");

app/src/main/java/com/futo/platformplayer/api/media/platforms/local/LocalClient.kt

@@ -1,5 +1,160 @@
 package com.futo.platformplayer.api.media.platforms.local
 
-class LocalClient {
-    //TODO
+import android.content.ContentResolver
+import android.net.Uri
+import android.provider.MediaStore
+import com.futo.platformplayer.R
+import com.futo.platformplayer.api.media.IPlatformClient
+import com.futo.platformplayer.api.media.PlatformClientCapabilities
+import com.futo.platformplayer.api.media.models.PlatformAuthorLink
+import com.futo.platformplayer.api.media.models.ResultCapabilities
+import com.futo.platformplayer.api.media.models.channels.IPlatformChannel
+import com.futo.platformplayer.api.media.models.chapters.IChapter
+import com.futo.platformplayer.api.media.models.comments.IPlatformComment
+import com.futo.platformplayer.api.media.models.contents.IPlatformContent
+import com.futo.platformplayer.api.media.models.contents.IPlatformContentDetails
+import com.futo.platformplayer.api.media.models.live.ILiveChatWindowDescriptor
+import com.futo.platformplayer.api.media.models.live.IPlatformLiveEvent
+import com.futo.platformplayer.api.media.models.playback.IPlaybackTracker
+import com.futo.platformplayer.api.media.models.playlists.IPlatformPlaylist
+import com.futo.platformplayer.api.media.models.playlists.IPlatformPlaylistDetails
+import com.futo.platformplayer.api.media.models.video.IPlatformVideo
+import com.futo.platformplayer.api.media.structures.EmptyPager
+import com.futo.platformplayer.api.media.structures.IPager
+import com.futo.platformplayer.engine.exceptions.ScriptUnavailableException
+import com.futo.platformplayer.models.ImageVariable
+import com.futo.platformplayer.states.StateLibrary
+import java.net.MalformedURLException
+
+class LocalClient: IPlatformClient {
+    override val id: String  = "LOCAL"
+    override val name: String = "Local"
+    override val icon: ImageVariable? = ImageVariable.fromResource(R.drawable.ic_library)
+    override val capabilities: PlatformClientCapabilities = PlatformClientCapabilities()
+
+    override fun initialize() {}
+
+    override fun disable() {
+
+    }
+
+    override fun getHome(): IPager<IPlatformContent>
+        = EmptyPager();
+
+    override fun isContentDetailsUrl(url: String): Boolean {
+        try {
+            val uri = Uri.parse(url);
+            return ContentResolver.SCHEME_CONTENT == uri.scheme
+                    && (
+                        MediaStore.AUTHORITY == uri.authority ||
+                        uri.authority == "com.android.externalstorage.documents"
+                    )
+        }
+        catch(ex: MalformedURLException) {
+            return false;
+        }
+    }
+
+    val audioExtensions = listOf(".mp3", ".wav", ".flac", ".mp4a", ".m4a");
+    override fun getContentDetails(url: String): IPlatformContentDetails {
+        val uri = Uri.parse(url);
+
+        if("audio" in uri.pathSegments) {
+            return StateLibrary.getAudioTrack(url) ?: throw Exception("Failed to find ${url}");
+        }
+        else if("video" in uri.pathSegments) {
+            return StateLibrary.getVideoTrack(url) ?: throw Exception("Failed to find ${url}");
+        }
+        else if(uri.toString().contains("com.android.externalstorage.documents")) {
+            if(audioExtensions.any { uri.lastPathSegment?.lowercase()?.endsWith(it) ?: false })
+                return StateLibrary.getAudioTrack(url) ?: throw Exception("Failed to find ${url}");
+            else
+                return StateLibrary.getVideoTrack(url) ?: throw Exception("Failed to find ${url}");
+        }
+        else
+            throw Exception("Unknown content url [${url}]");
+    }
+
+    override fun getSearchCapabilities(): ResultCapabilities
+        = ResultCapabilities();
+    override fun search(query: String, type: String?, order: String?, filters: Map<String, List<String>>?): IPager<IPlatformContent> {
+        return EmptyPager(); //TODO
+    }
+
+    override fun getSearchChannelContentsCapabilities(): ResultCapabilities
+        = ResultCapabilities();
+    override fun searchChannelContents(channelUrl: String, query: String, type: String?, order: String?, filters: Map<String, List<String>>?): IPager<IPlatformContent> {
+        return EmptyPager(); //TODO
+    }
+
+    override fun searchChannels(query: String): IPager<PlatformAuthorLink> {
+        return EmptyPager(); //TODO
+    }
+
+    override fun searchChannelsAsContent(query: String): IPager<IPlatformContent> {
+        return EmptyPager(); //TODO
+    }
+
+    override fun isChannelUrl(url: String): Boolean {
+        return false //TODO
+    }
+
+    override fun getChannel(channelUrl: String): IPlatformChannel {
+        throw NotImplementedError();
+    }
+
+    override fun getChannelCapabilities(): ResultCapabilities
+        = ResultCapabilities();
+    override fun getChannelContents(channelUrl: String, type: String?, order: String?, filters: Map<String, List<String>>?): IPager<IPlatformContent> {
+        return EmptyPager();
+    }
+
+    override fun getChannelPlaylists(channelUrl: String): IPager<IPlatformPlaylist> {
+        return EmptyPager();
+    }
+
+    override fun getPeekChannelTypes(): List<String> = listOf();
+
+    override fun peekChannelContents(channelUrl: String, type: String?): List<IPlatformContent>
+        = listOf();
+
+    override fun getShorts(): IPager<IPlatformVideo> = EmptyPager();
+
+    override fun searchSuggestions(query: String): Array<String> = arrayOf();
+
+    override fun getChannelUrlByClaim(claimType: Int, claimValues: Map<Int, String>): String?
+            = null;
+
+    override fun getContentChapters(url: String): List<IChapter>
+        = listOf();
+
+    override fun getPlaybackTracker(url: String): IPlaybackTracker?
+        = null;
+
+    override fun getContentRecommendations(url: String): IPager<IPlatformContent>?
+        = null;
+
+    override fun getComments(url: String): IPager<IPlatformComment>
+        = EmptyPager();
+
+    override fun getSubComments(comment: IPlatformComment): IPager<IPlatformComment>
+        = EmptyPager();
+
+    override fun getLiveChatWindow(url: String): ILiveChatWindowDescriptor?
+        = null;
+
+    override fun getLiveEvents(url: String): IPager<IPlatformLiveEvent>?
+        = null;
+
+    override fun searchPlaylists(query: String, type: String?, order: String?, filters: Map<String, List<String>>?): IPager<IPlatformContent>
+        = throw NotImplementedError();
+
+    override fun isPlaylistUrl(url: String): Boolean = false;
+
+    override fun getPlaylist(url: String): IPlatformPlaylistDetails
+        = throw NotImplementedError();
+    override fun getUserPlaylists(): Array<String> = throw NotImplementedError();
+    override fun getUserSubscriptions(): Array<String> = throw NotImplementedError();
+    override fun getUserHistory(): IPager<IPlatformContent> = throw NotImplementedError();
+    override fun isClaimTypeSupported(claimType: Int): Boolean = false;
 }

app/src/main/java/com/futo/platformplayer/api/media/platforms/local/models/sources/LocalAudioContentSource.kt

@@ -23,10 +23,10 @@ class LocalAudioContentSource : IAudioSource {
 
     var contentUrl: String;
 
-    constructor(contentUrl: String, mime: String, name: String? = null) {
+    constructor(contentUrl: String, mime: String, name: String? = null, duration: Long = 0) {
         this.name = name ?: "File";
         container = mime;
-        duration = 0;
+        this.duration = duration;
 
         this.contentUrl = contentUrl;
     }

app/src/main/java/com/futo/platformplayer/api/media/platforms/local/models/sources/LocalVideoContentSource.kt

@@ -22,12 +22,12 @@ class LocalVideoContentSource: IVideoSource {
 
     var contentUrl: String;
 
-    constructor(contentUrl: String, mime: String, name: String? = null) {
+    constructor(contentUrl: String, mime: String, name: String? = null, duration: Long = 0) {
         this.name = name ?: "File";
         width = 0;
         height = 0;
         container = mime;
-        duration = 0;
+        this.duration = duration;
         this.contentUrl = contentUrl;
     }
 }

app/src/main/java/com/futo/platformplayer/casting/CastingDeviceExp.kt

@@ -239,7 +239,7 @@ class CastingDeviceExp(val device: RsCastingDevice) : CastingDevice() {
                 }
 
                 DeviceConnectionState.Disconnected -> {
-                    connectionState = CastConnectionState.CONNECTING
+                    connectionState = CastConnectionState.DISCONNECTED
                     onConnectionStateChanged.emit(CastConnectionState.DISCONNECTED)
                 }
             }
@@ -268,4 +268,4 @@ class CastingDeviceExp(val device: RsCastingDevice) : CastingDevice() {
     companion object {
         private val TAG = "CastingDeviceExp"
     }
-}
+}

app/src/main/java/com/futo/platformplayer/casting/StateCasting.kt

@@ -6,6 +6,7 @@ import android.content.Context
 import android.os.Looper
 import android.util.Log
 import androidx.annotation.OptIn
+import androidx.core.net.toUri
 import androidx.media3.common.util.UnstableApi
 import com.futo.platformplayer.R
 import com.futo.platformplayer.Settings
@@ -14,9 +15,11 @@ import com.futo.platformplayer.api.http.ManagedHttpClient
 import com.futo.platformplayer.api.http.server.HttpHeaders
 import com.futo.platformplayer.api.http.server.ManagedHttpServer
 import com.futo.platformplayer.api.http.server.handlers.HttpConstantHandler
+import com.futo.platformplayer.api.http.server.handlers.HttpContentUriHandler
 import com.futo.platformplayer.api.http.server.handlers.HttpFileHandler
 import com.futo.platformplayer.api.http.server.handlers.HttpFunctionHandler
 import com.futo.platformplayer.api.http.server.handlers.HttpProxyHandler
+import com.futo.platformplayer.api.media.models.modifier.IRequestModifier
 import com.futo.platformplayer.api.media.models.streams.sources.IAudioSource
 import com.futo.platformplayer.api.media.models.streams.sources.IAudioUrlSource
 import com.futo.platformplayer.api.media.models.streams.sources.IHLSManifestAudioSource
@@ -33,6 +36,8 @@ import com.futo.platformplayer.api.media.platforms.js.models.sources.JSDashManif
 import com.futo.platformplayer.api.media.platforms.js.models.sources.JSDashManifestRawAudioSource
 import com.futo.platformplayer.api.media.platforms.js.models.sources.JSDashManifestRawSource
 import com.futo.platformplayer.api.media.platforms.js.models.sources.JSSource
+import com.futo.platformplayer.api.media.platforms.local.models.sources.LocalAudioContentSource
+import com.futo.platformplayer.api.media.platforms.local.models.sources.LocalVideoContentSource
 import com.futo.platformplayer.awaitCancelConverted
 import com.futo.platformplayer.builders.DashBuilder
 import com.futo.platformplayer.models.CastingDeviceInfo
@@ -234,9 +239,9 @@ abstract class StateCasting {
         Logger.i(TAG, "Connect to device ${device.name}")
     }
 
-    fun metadataFromVideo(video: IPlatformVideoDetails): Metadata {
+    fun metadataFromVideo(video: IPlatformVideoDetails, videoThumbnailOverrideUrl: String? = null): Metadata {
         return Metadata(
-            title = video.name, thumbnailUrl = video.thumbnails.getHQThumbnail()
+            title = video.name, thumbnailUrl = videoThumbnailOverrideUrl ?: video.thumbnails.getHQThumbnail()
         )
     }
 
@@ -295,20 +300,63 @@ abstract class StateCasting {
                 val url = getLocalUrl(ad);
                 val id = UUID.randomUUID();
 
+
                 if (videoSource is IVideoUrlSource) {
-                    val videoPath = "/video-${id}"
-                    val videoUrl = if(proxyStreams) url + videoPath else videoSource.getVideoUrl();
-                    Logger.i(TAG, "Casting as singular video");
-                    ad.loadVideo(if (video.isLive) "LIVE" else "BUFFERED", videoSource.container, videoUrl, resumePosition, video.duration.toDouble(), speed, metadataFromVideo(video));
+                    val videoPath = "/video-$id"
+                    val upstreamUrl = videoSource.getVideoUrl()
+                    val videoUrl = if (proxyStreams) url + videoPath else upstreamUrl
+                    val jsReqMod = (videoSource as? JSSource)?.getRequestModifier()
+
+                    if (proxyStreams) {
+                        _castServer.addHandlerWithAllowAllOptions(
+                            HttpProxyHandler("GET", videoPath, upstreamUrl, true)
+                                .withIRequestModifier(jsReqMod)
+                                .withInjectedHost()
+                                .withHeader("Access-Control-Allow-Origin", "*"),
+                            true
+                        ).withTag("castSingular")
+                    }
+
+                    Logger.i(TAG, "Casting as singular video (proxy=$proxyStreams, url=$videoUrl)")
+                    ad.loadVideo(
+                        if (video.isLive) "LIVE" else "BUFFERED",
+                        videoSource.container,
+                        videoUrl,
+                        resumePosition,
+                        video.duration.toDouble(),
+                        speed,
+                        metadataFromVideo(video)
+                    )
                 } else if (audioSource is IAudioUrlSource) {
-                    val audioPath = "/audio-${id}"
-                    val audioUrl = if(proxyStreams) url + audioPath else audioSource.getAudioUrl();
-                    Logger.i(TAG, "Casting as singular audio");
-                    ad.loadVideo(if (video.isLive) "LIVE" else "BUFFERED", audioSource.container, audioUrl, resumePosition, video.duration.toDouble(), speed, metadataFromVideo(video));
+                    val audioPath = "/audio-$id"
+                    val upstreamUrl = audioSource.getAudioUrl()
+                    val audioUrl = if (proxyStreams) url + audioPath else upstreamUrl
+                    val jsReqMod = (audioSource as? JSSource)?.getRequestModifier()
+
+                    if (proxyStreams) {
+                        _castServer.addHandlerWithAllowAllOptions(
+                            HttpProxyHandler("GET", audioPath, upstreamUrl, true)
+                                .withIRequestModifier(jsReqMod)
+                                .withInjectedHost()
+                                .withHeader("Access-Control-Allow-Origin", "*"),
+                            true
+                        ).withTag("castSingular")
+                    }
+
+                    Logger.i(TAG, "Casting as singular audio (proxy=$proxyStreams, url=$audioUrl)")
+                    ad.loadVideo(
+                        if (video.isLive) "LIVE" else "BUFFERED",
+                        audioSource.container,
+                        audioUrl,
+                        resumePosition,
+                        video.duration.toDouble(),
+                        speed,
+                        metadataFromVideo(video)
+                    )
                 } else if (videoSource is IHLSManifestSource) {
                     if (proxyStreams || deviceProto == CastProtocolType.CHROMECAST) {
                         Logger.i(TAG, "Casting as proxied HLS");
-                        castProxiedHls(video, videoSource.url, videoSource.codec, resumePosition, speed);
+                        castProxiedHls(video, videoSource.url, videoSource.codec, resumePosition, speed, (videoSource as JSSource?)?.getRequestModifier());
                     } else {
                         Logger.i(TAG, "Casting as non-proxied HLS");
                         ad.loadVideo(if (video.isLive) "LIVE" else "BUFFERED", videoSource.container, videoSource.url, resumePosition, video.duration.toDouble(), speed, metadataFromVideo(video));
@@ -316,7 +364,7 @@ abstract class StateCasting {
                 } else if (audioSource is IHLSManifestAudioSource) {
                     if (proxyStreams || deviceProto == CastProtocolType.CHROMECAST) {
                         Logger.i(TAG, "Casting as proxied audio HLS");
-                        castProxiedHls(video, audioSource.url, audioSource.codec, resumePosition, speed);
+                        castProxiedHls(video, audioSource.url, audioSource.codec, resumePosition, speed, (audioSource as JSSource?)?.getRequestModifier());
                     } else {
                         Logger.i(TAG, "Casting as non-proxied audio HLS");
                         ad.loadVideo(if (video.isLive) "LIVE" else "BUFFERED", audioSource.container, audioSource.url, resumePosition, video.duration.toDouble(), speed, metadataFromVideo(video));
@@ -327,6 +375,12 @@ abstract class StateCasting {
                 } else if (audioSource is LocalAudioSource) {
                     Logger.i(TAG, "Casting as local audio");
                     castLocalAudio(video, audioSource, resumePosition, speed);
+                } else if (videoSource is LocalVideoContentSource) {
+                    Logger.i(TAG, "Casting as local video");
+                    castLocalVideo(contentResolver, video, videoSource, resumePosition, speed);
+                } else if (audioSource is LocalAudioContentSource) {
+                    Logger.i(TAG, "Casting as local audio");
+                    castLocalAudio(contentResolver, video, audioSource, resumePosition, speed);
                 } else if (videoSource is JSDashManifestRawSource) {
                     Logger.i(TAG, "Casting as JSDashManifestRawSource video");
                     castDashRaw(contentResolver, video, videoSource as JSDashManifestRawSource?, null, null, resumePosition, speed, castId, onLoadingEstimate, onLoading);
@@ -347,6 +401,11 @@ abstract class StateCasting {
         }
     }
 
+    private fun HttpProxyHandler.withIRequestModifier(requestModifier: IRequestModifier?): HttpProxyHandler {
+        if (requestModifier == null) return this
+        return withRequestModifier { url, headers -> requestModifier.modifyRequest(url, headers) }
+    }
+
     fun resumeVideo(): Boolean {
         val ad = activeDevice ?: return false;
         try {
@@ -412,6 +471,65 @@ abstract class StateCasting {
         }
         return true;
     }
+
+    private fun castLocalVideo(contentResolver: ContentResolver, video: IPlatformVideoDetails, videoSource: LocalVideoContentSource, resumePosition: Double, speed: Double?) : List<String> {
+        val ad = activeDevice ?: return listOf();
+
+        val url = getLocalUrl(ad);
+        val id = UUID.randomUUID();
+        val videoPath = "/video-${id}"
+        val videoUrl = url + videoPath;
+        val thumbnailPath = "/thumbnail-${id}"
+        val thumbnailUrl = url + thumbnailPath;
+        val thumbnailContentUrl = video.thumbnails.getHQThumbnail()
+
+        if (thumbnailContentUrl != null) {
+            _castServer.addHandlerWithAllowAllOptions(
+                HttpContentUriHandler("GET", thumbnailPath, contentResolver, thumbnailContentUrl.toUri())
+                    .withHeader("Access-Control-Allow-Origin", "*"), true
+            ).withTag("cast");
+        }
+
+        _castServer.addHandlerWithAllowAllOptions(
+            HttpContentUriHandler("GET", videoPath, contentResolver, videoSource.contentUrl.toUri())
+                .withHeader("Access-Control-Allow-Origin", "*"), true
+        ).withTag("cast");
+
+        Logger.i(TAG, "Casting local video (videoUrl: $videoUrl).");
+        ad.loadVideo("BUFFERED", videoSource.container, videoUrl, resumePosition, video.duration.toDouble(), speed, metadataFromVideo(video, if (thumbnailContentUrl != null) thumbnailUrl else null));
+
+        return listOf(videoUrl);
+    }
+
+    private fun castLocalAudio(contentResolver: ContentResolver, video: IPlatformVideoDetails, audioSource: LocalAudioContentSource, resumePosition: Double, speed: Double?) : List<String> {
+        val ad = activeDevice ?: return listOf();
+
+        val url = getLocalUrl(ad);
+        val id = UUID.randomUUID();
+        val audioPath = "/audio-${id}"
+        val audioUrl = url + audioPath;
+        val thumbnailPath = "/thumbnail-${id}"
+        val thumbnailUrl = url + thumbnailPath;
+        val thumbnailContentUrl = video.thumbnails.getHQThumbnail()
+
+        if (thumbnailContentUrl != null) {
+            _castServer.addHandlerWithAllowAllOptions(
+                HttpContentUriHandler("GET", thumbnailPath, contentResolver, thumbnailContentUrl.toUri())
+                    .withHeader("Access-Control-Allow-Origin", "*"), true
+            ).withTag("cast");
+        }
+
+        _castServer.addHandlerWithAllowAllOptions(
+            HttpContentUriHandler("GET", audioPath, contentResolver, audioSource.contentUrl.toUri())
+                .withHeader("Access-Control-Allow-Origin", "*"), true
+        ).withTag("cast");
+
+        Logger.i(TAG, "Casting local audio (audioUrl: $audioUrl).");
+        ad.loadVideo("BUFFERED", audioSource.container, audioUrl, resumePosition, video.duration.toDouble(), speed, metadataFromVideo(video, if (thumbnailContentUrl != null) thumbnailUrl else null));
+
+        return listOf(audioUrl);
+    }
+
     private fun castLocalVideo(video: IPlatformVideoDetails, videoSource: LocalVideoSource, resumePosition: Double, speed: Double?) : List<String> {
         val ad = activeDevice ?: return listOf();
 
@@ -665,7 +783,8 @@ abstract class StateCasting {
         sourceUrl: String,
         codec: String?,
         resumePosition: Double,
-        speed: Double?
+        speed: Double?,
+        requestModifier: IRequestModifier?
     ): List<String> {
         _castServer.removeAllHandlers("castProxiedHlsMaster")
 
@@ -686,7 +805,9 @@ abstract class StateCasting {
                 val headers = masterContext.headers.clone()
                 headers["Content-Type"] = "application/vnd.apple.mpegurl";
 
-                val masterPlaylistResponse = _client.get(sourceUrl)
+                val req = requestModifier?.modifyRequest(sourceUrl, mapOf())
+                val masterPlaylistResponse = _client.get(req?.url ?: sourceUrl, (req?.headers ?: mapOf()).toMutableMap())
+
                 check(masterPlaylistResponse.isOk) { "Failed to get master playlist: ${masterPlaylistResponse.code}" }
 
                 val masterPlaylistContent = masterPlaylistResponse.body?.string()
@@ -706,7 +827,7 @@ abstract class StateCasting {
                         val variantPlaylist =
                             HLS.parseVariantPlaylist(masterPlaylistContent, sourceUrl)
                         val proxiedVariantPlaylist =
-                            proxyVariantPlaylist(url, id, variantPlaylist, video.isLive)
+                            proxyVariantPlaylist(url, id, variantPlaylist,  video.isLive, requestModifier)
                         val proxiedVariantPlaylist_m3u8 = proxiedVariantPlaylist.buildM3U8()
                         masterContext.respondCode(200, vpHeaders, proxiedVariantPlaylist_m3u8);
                         return@HttpFunctionHandler
@@ -747,7 +868,7 @@ abstract class StateCasting {
                             val variantPlaylist =
                                 HLS.parseVariantPlaylist(vpContent, variantPlaylistRef.url)
                             val proxiedVariantPlaylist =
-                                proxyVariantPlaylist(url, playlistId, variantPlaylist, video.isLive)
+                                proxyVariantPlaylist(url, playlistId, variantPlaylist, video.isLive, requestModifier)
                             val proxiedVariantPlaylist_m3u8 = proxiedVariantPlaylist.buildM3U8()
                             vpContext.respondCode(200, vpHeaders, proxiedVariantPlaylist_m3u8);
                         }.withHeader("Access-Control-Allow-Origin", "*"), true
@@ -784,7 +905,7 @@ abstract class StateCasting {
                                 val variantPlaylist =
                                     HLS.parseVariantPlaylist(vpContent, mediaRendition.uri)
                                 val proxiedVariantPlaylist = proxyVariantPlaylist(
-                                    url, playlistId, variantPlaylist, video.isLive
+                                    url, playlistId, variantPlaylist, video.isLive, requestModifier
                                 )
                                 val proxiedVariantPlaylist_m3u8 = proxiedVariantPlaylist.buildM3U8()
                                 vpContext.respondCode(200, vpHeaders, proxiedVariantPlaylist_m3u8);
@@ -826,13 +947,13 @@ abstract class StateCasting {
         return listOf(hlsUrl);
     }
 
-    private fun proxyVariantPlaylist(url: String, playlistId: UUID, variantPlaylist: HLS.VariantPlaylist, isLive: Boolean, proxySegments: Boolean = true): HLS.VariantPlaylist {
+    private fun proxyVariantPlaylist(url: String, playlistId: UUID, variantPlaylist: HLS.VariantPlaylist, isLive: Boolean, requestModifier: IRequestModifier?, proxySegments: Boolean = true): HLS.VariantPlaylist {
         val newSegments = arrayListOf<HLS.Segment>()
 
         if (proxySegments) {
             variantPlaylist.segments.forEachIndexed { index, segment ->
                 val sequenceNumber = (variantPlaylist.mediaSequence ?: 0) + index.toLong()
-                newSegments.add(proxySegment(url, playlistId, segment, sequenceNumber))
+                newSegments.add(proxySegment(url, playlistId, segment, sequenceNumber, requestModifier))
             }
         } else {
             newSegments.addAll(variantPlaylist.segments)
@@ -850,7 +971,7 @@ abstract class StateCasting {
         )
     }
 
-    private fun proxySegment(url: String, playlistId: UUID, segment: HLS.Segment, index: Long): HLS.Segment {
+    private fun proxySegment(url: String, playlistId: UUID, segment: HLS.Segment, index: Long, requestModifier: IRequestModifier?): HLS.Segment {
         if (segment is HLS.MediaSegment) {
             val newSegmentPath = "/hls-playlist-${playlistId}-segment-${index}"
             val newSegmentUrl = url + newSegmentPath;
@@ -858,6 +979,7 @@ abstract class StateCasting {
             if (_castServer.getHandler("GET", newSegmentPath) == null) {
                 _castServer.addHandlerWithAllowAllOptions(
                     HttpProxyHandler("GET", newSegmentPath, segment.uri, true)
+                        .withIRequestModifier(requestModifier)
                         .withInjectedHost()
                         .withHeader("Access-Control-Allow-Origin", "*"), true
                 ).withTag("castProxiedHlsVariant")
@@ -1227,10 +1349,14 @@ abstract class StateCasting {
         }
 
         if (audioSource != null && audioSource.hasRequestExecutor) {
+            val oldExecutor = _audioExecutor;
+            oldExecutor?.closeAsync();
             _audioExecutor = audioSource.getRequestExecutor()
         }
 
         if (videoSource != null && videoSource.hasRequestExecutor) {
+            val oldExecutor = _videoExecutor;
+            oldExecutor?.closeAsync();
             _videoExecutor = videoSource.getRequestExecutor()
         }
 

app/src/main/java/com/futo/platformplayer/developer/DeveloperEndpoints.kt

@@ -18,6 +18,7 @@ import com.futo.platformplayer.engine.dev.V8RemoteObject
 import com.futo.platformplayer.engine.dev.V8RemoteObject.Companion.gsonStandard
 import com.futo.platformplayer.engine.dev.V8RemoteObject.Companion.serialize
 import com.futo.platformplayer.engine.packages.PackageHttp
+import com.futo.platformplayer.fragment.mainactivity.main.LoginFragment
 import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.states.StateApp
 import com.futo.platformplayer.states.StateAssets
@@ -28,6 +29,8 @@ import com.google.gson.FieldAttributes
 import com.google.gson.GsonBuilder
 import com.google.gson.JsonArray
 import com.google.gson.JsonParser
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import java.lang.reflect.Field
@@ -268,11 +271,17 @@ class DeveloperEndpoints(private val context: Context) {
                 context.respondCode(403, "This plugin doesn't support auth");
                 return;
             }
+            StateApp.instance.scopeOrNull?.launch(Dispatchers.Main) {
+                LoginFragment.showLogin(config){
+                    _testPluginVariables.clear();
+                    _testPlugin = V8Plugin(StateApp.instance.context, config, null, JSHttpClient(null, null, null, config), JSHttpClient(null, it, null, config));
+                };
+            }
+            /*
             LoginActivity.showLogin(StateApp.instance.context, config) {
                 _testPluginVariables.clear();
                 _testPlugin = V8Plugin(StateApp.instance.context, config, null, JSHttpClient(null, null, null, config), JSHttpClient(null, it, null, config));
-
-            };
+            }; */
             context.respondCode(200, "Login started");
         }
         catch(ex: Throwable) {

app/src/main/java/com/futo/platformplayer/dialogs/AutoUpdateDialog.kt

@@ -16,9 +16,12 @@ import android.widget.Button
 import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
+import androidx.core.content.ContextCompat
 import com.futo.platformplayer.R
 import com.futo.platformplayer.Settings
 import com.futo.platformplayer.UIDialogs
+import com.futo.platformplayer.UpdateDownloadService
+import com.futo.platformplayer.UpdateNotificationManager
 import com.futo.platformplayer.api.http.ManagedHttpClient
 import com.futo.platformplayer.copyToOutputStream
 import com.futo.platformplayer.logging.Logger
@@ -34,6 +37,8 @@ import java.io.InputStream
 class AutoUpdateDialog(context: Context?) : AlertDialog(context) {
     companion object {
         private val TAG = "AutoUpdateDialog";
+
+        var currentDialog: AutoUpdateDialog? = null
     }
 
     private lateinit var _buttonNever: Button;
@@ -46,7 +51,6 @@ class AutoUpdateDialog(context: Context?) : AlertDialog(context) {
     private var _maxVersion: Int = 0;
 
     private var _updating: Boolean = false;
-    private var _apkFile: File? = null;
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState);
@@ -61,12 +65,14 @@ class AutoUpdateDialog(context: Context?) : AlertDialog(context) {
         _buttonShowChangelog = findViewById(R.id.button_show_changelog);
 
         _buttonNever.setOnClickListener {
+            UpdateNotificationManager.cancelAll(context)
             Settings.instance.autoUpdate.check = 1;
             Settings.instance.save();
             dismiss();
         };
 
         _buttonClose.setOnClickListener {
+            UpdateNotificationManager.cancelAll(context)
             dismiss();
         };
 
@@ -76,23 +82,32 @@ class AutoUpdateDialog(context: Context?) : AlertDialog(context) {
         };
 
         _buttonUpdate.setOnClickListener {
+            UpdateNotificationManager.cancelAll(context)
+
             if (_updating) {
                 return@setOnClickListener;
             }
 
-            _updating = true;
-            update();
+            if (Settings.instance.autoUpdate.shouldBackgroundDownload) {
+                val ctx = context.applicationContext;
+                val intent = Intent(ctx, UpdateDownloadService::class.java);
+                intent.putExtra(UpdateDownloadService.EXTRA_VERSION, _maxVersion);
+                ContextCompat.startForegroundService(ctx, intent);
+                UIDialogs.toast(context, "Downloading update in background");
+                dismiss();
+            } else {
+                _updating = true;
+                update();
+            }
         };
-    }
 
-    fun showPredownloaded(apkFile: File) {
-        _apkFile = apkFile;
-        super.show()
+        currentDialog = this
     }
 
     override fun dismiss() {
         super.dismiss()
         InstallReceiver.onReceiveResult.clear();
+        currentDialog = null
         Logger.i(TAG, "Cleared InstallReceiver.onReceiveResult handler.")
     }
 
@@ -118,21 +133,14 @@ class AutoUpdateDialog(context: Context?) : AlertDialog(context) {
         GlobalScope.launch(Dispatchers.IO) {
             var inputStream: InputStream? = null;
             try {
-                val apkFile = _apkFile;
-                if (apkFile != null) {
-                    inputStream = apkFile.inputStream();
-                    val dataLength = apkFile.length();
+                val client = ManagedHttpClient();
+                val response = client.get(StateUpdate.APK_URL);
+                if (response.isOk && response.body != null) {
+                    inputStream = response.body.byteStream();
+                    val dataLength = response.body.contentLength();
                     install(inputStream, dataLength);
                 } else {
-                    val client = ManagedHttpClient();
-                    val response = client.get(StateUpdate.APK_URL);
-                    if (response.isOk && response.body != null) {
-                        inputStream = response.body.byteStream();
-                        val dataLength = response.body.contentLength();
-                        install(inputStream, dataLength);
-                    } else {
-                        throw Exception("Failed to download latest version of app.");
-                    }
+                    throw Exception("Failed to download latest version of app.");
                 }
             } catch (e: Throwable) {
                 Logger.w(TAG, "Exception thrown while downloading and installing latest version of app.", e);

app/src/main/java/com/futo/platformplayer/dialogs/ConnectedCastingDialog.kt

@@ -90,6 +90,7 @@ class ConnectedCastingDialog(context: Context?) : AlertDialog(context) {
         _buttonClose.setOnClickListener { dismiss(); };
         _buttonDisconnect.setOnClickListener {
             try {
+                StateCasting.instance.stopVideo()
                 StateCasting.instance.activeDevice?.disconnect()
             } catch (e: Throwable) {
                 Logger.e(TAG, "Active device failed to disconnect: $e")

app/src/main/java/com/futo/platformplayer/dialogs/PluginUpdateDialog.kt

@@ -48,6 +48,7 @@ class PluginUpdateDialog : AlertDialog {
 
     private lateinit var _buttonCancel1: Button;
     private lateinit var _buttonCancel2: Button;
+    private lateinit var _buttonAlways: LinearLayout;
     private lateinit var _buttonUpdate: LinearLayout;
 
     private lateinit var _buttonOk: LinearLayout;
@@ -58,6 +59,7 @@ class PluginUpdateDialog : AlertDialog {
     private lateinit var _textProgres: TextView;
     private lateinit var _textError: TextView;
     private lateinit var _textResult: TextView;
+    private lateinit var _textChangelogResult: TextView;
 
     private lateinit var _uiChoiceTop: FrameLayout;
     private lateinit var _uiProgressTop: FrameLayout;
@@ -89,6 +91,7 @@ class PluginUpdateDialog : AlertDialog {
 
         _buttonCancel1 = findViewById(R.id.button_cancel_1);
         _buttonCancel2 = findViewById(R.id.button_cancel_2);
+        _buttonAlways = findViewById(R.id.button_always);
         _buttonUpdate = findViewById(R.id.button_update);
 
         _buttonOk = findViewById(R.id.button_ok);
@@ -99,6 +102,7 @@ class PluginUpdateDialog : AlertDialog {
         _textProgres = findViewById(R.id.text_progress);
         _textError = findViewById(R.id.text_error);
         _textResult = findViewById(R.id.text_result);
+        _textChangelogResult = findViewById(R.id.text_changelog_result);
 
         _uiChoiceTop = findViewById(R.id.dialog_ui_choice_top);
         _uiProgressTop = findViewById(R.id.dialog_ui_progress_top);
@@ -119,17 +123,24 @@ class PluginUpdateDialog : AlertDialog {
                 val changelog = _newConfig.changelog!![changelogVersion]!!;
                 if(changelog.size > 1) {
                     _textChangelog.text = "Changelog (${_newConfig.version})\n" + changelog.map { " - " + it.trim() }.joinToString("\n");
+                    _textChangelogResult.text = _textChangelog.text;
                 }
                 else if(changelog.size == 1) {
                     _textChangelog.text = "Changelog (${_newConfig.version})\n" + changelog[0].trim();
+                    _textChangelogResult.text = _textChangelog.text;
                 }
-                else
+                else {
                     _textChangelog.visibility = View.GONE;
-            } else
-                _textChangelog.visibility = View.GONE;
+                    _textChangelogResult.visibility = View.GONE;
+                }
+            } else {
+                    _textChangelog.visibility = View.GONE;
+                    _textChangelogResult.visibility = View.GONE;
+            }
         }
         catch(ex: Throwable) {
             _textChangelog.visibility = View.GONE;
+            _textChangelogResult.visibility = View.GONE;
             Logger.e(TAG, "Invalid changelog? ", ex);
         }
 
@@ -145,6 +156,18 @@ class PluginUpdateDialog : AlertDialog {
             _isUpdating = true;
             update();
         };
+        _buttonAlways.setOnClickListener {
+            if (_isUpdating)
+                return@setOnClickListener;
+            val plugin = StatePlugins.instance.getPlugin(_oldConfig.id);
+            if(plugin != null) {
+                plugin.appSettings.automaticUpdate = true;
+                StatePlugins.instance.savePlugin(_oldConfig.id);
+                UIDialogs.appToast("Automatic update enabled, can be disabled in plugin settings");
+            }
+            _isUpdating = true;
+            update();
+        };
 
         Glide.with(_iconPlugin)
             .load(_oldConfig.absoluteIconUrl)
@@ -158,7 +181,8 @@ class PluginUpdateDialog : AlertDialog {
                 if (_isUpdating)
                     return;
                 _isUpdating = true;
-                update();
+
+                update(true);
             }
         }
     }
@@ -167,7 +191,7 @@ class PluginUpdateDialog : AlertDialog {
         super.dismiss();
     }
 
-    private fun update() {
+    private fun update(automatic: Boolean = false) {
         _uiChoiceTop.visibility = View.GONE;
         _uiRiskTop.visibility = View.GONE;
         _uiChoiceBot.visibility = View.GONE;
@@ -187,9 +211,16 @@ class PluginUpdateDialog : AlertDialog {
         val scope = StateApp.instance.scopeOrNull;
         scope?.launch(Dispatchers.IO) {
             try {
+                withContext(Dispatchers.Main) {
+                    _textProgres.setText("Loading current script file...");
+                }
                 val client = ManagedHttpClient();
+                client.setTimeout(10000);
                 val script = StatePlugins.instance.getScript(_oldConfig.id) ?: "";
 
+                withContext(Dispatchers.Main) {
+                    _textProgres.setText("Requesting new script file...");
+                }
                 val newScript = client.get(_newConfig.absoluteScriptUrl)?.body?.string();
                 if(newScript.isNullOrEmpty())
                     throw IllegalStateException("No script found");

app/src/main/java/com/futo/platformplayer/downloads/VideoDownload.kt

@@ -1,6 +1,9 @@
 package com.futo.platformplayer.downloads
 
 import android.content.Context
+import android.media.MediaCodec
+import android.media.MediaExtractor
+import android.media.MediaMuxer
 import android.util.Log
 import com.arthenica.ffmpegkit.FFmpegKit
 import com.arthenica.ffmpegkit.ReturnCode
@@ -8,6 +11,7 @@ import com.arthenica.ffmpegkit.StatisticsCallback
 import com.futo.platformplayer.Settings
 import com.futo.platformplayer.api.http.ManagedHttpClient
 import com.futo.platformplayer.api.media.PlatformID
+import com.futo.platformplayer.api.media.models.modifier.IRequestModifier
 import com.futo.platformplayer.api.media.models.streams.VideoUnMuxedSourceDescriptor
 import com.futo.platformplayer.api.media.models.streams.sources.AudioUrlSource
 import com.futo.platformplayer.api.media.models.streams.sources.IAudioSource
@@ -136,6 +140,8 @@ class VideoDownload {
 
     var hasVideoRequestExecutor: Boolean = false;
     var hasAudioRequestExecutor: Boolean = false;
+    var hasVideoRequestModifier: Boolean = false;
+    var hasAudioRequestModifier: Boolean = false;
 
     var progress: Double = 0.0;
     var isCancelled = false;
@@ -203,8 +209,10 @@ class VideoDownload {
         this.prepareTime = OffsetDateTime.now();
         this.hasVideoRequestExecutor = videoSource is JSSource && videoSource.hasRequestExecutor;
         this.hasAudioRequestExecutor = audioSource is JSSource && audioSource.hasRequestExecutor;
-        this.requiresLiveVideoSource = this.hasVideoRequestExecutor || (videoSource is JSDashManifestRawSource && videoSource.hasGenerate);
-        this.requiresLiveAudioSource = this.hasAudioRequestExecutor || (audioSource is JSDashManifestRawAudioSource && audioSource.hasGenerate);
+        this.hasVideoRequestModifier = videoSource is JSSource && videoSource.hasRequestModifier;
+        this.hasAudioRequestModifier = audioSource is JSSource && audioSource.hasRequestModifier;
+        this.requiresLiveVideoSource = this.hasVideoRequestModifier || this.hasVideoRequestExecutor || (videoSource is JSDashManifestRawSource && videoSource.hasGenerate);
+        this.requiresLiveAudioSource = this.hasAudioRequestModifier || this.hasAudioRequestExecutor || (audioSource is JSDashManifestRawAudioSource && audioSource.hasGenerate);
         this.targetVideoName = videoSource?.name;
         this.targetAudioName = audioSource?.name;
         this.targetPixelCount = if(videoSource != null) (videoSource.width * videoSource.height).toLong() else null;
@@ -478,8 +486,8 @@ class VideoDownload {
 
                 if(actualVideoSource is IVideoUrlSource)
                     videoFileSize = when (videoSource!!.container) {
-                        "application/vnd.apple.mpegurl" -> downloadHlsSource(context, "Video", client, videoSource!!.getVideoUrl(), File(downloadDir, videoFileName!!), progressCallback)
-                        else -> downloadFileSource("Video", client, videoSource!!.getVideoUrl(), File(downloadDir, videoFileName!!), progressCallback)
+                        "application/vnd.apple.mpegurl" -> downloadHlsSource(context, "Video", client, if (actualVideoSource is JSSource) actualVideoSource else null, videoSource!!.getVideoUrl(), File(downloadDir, videoFileName!!), progressCallback)
+                        else -> downloadFileSource("Video", client, if (actualVideoSource is JSSource) actualVideoSource else null, videoSource!!.getVideoUrl(), File(downloadDir, videoFileName!!), progressCallback)
                     }
                 else if(actualVideoSource is JSDashManifestRawSource) {
                     videoFileSize = downloadDashFileSource("Video", client, actualVideoSource, File(downloadDir, videoFileName!!), progressCallback);
@@ -518,8 +526,8 @@ class VideoDownload {
 
                 if(actualAudioSource is IAudioUrlSource)
                     audioFileSize = when (audioSource!!.container) {
-                        "application/vnd.apple.mpegurl" -> downloadHlsSource(context, "Audio", client, audioSource!!.getAudioUrl(), File(downloadDir, audioFileName!!), progressCallback)
-                        else -> downloadFileSource("Audio", client, audioSource!!.getAudioUrl(), File(downloadDir, audioFileName!!), progressCallback)
+                        "application/vnd.apple.mpegurl" -> downloadHlsSource(context, "Audio", client, if (actualAudioSource is JSSource) actualAudioSource else null, audioSource!!.getAudioUrl(), File(downloadDir, audioFileName!!), progressCallback)
+                        else -> downloadFileSource("Audio", client, if (actualAudioSource is JSSource) actualAudioSource else null, audioSource!!.getAudioUrl(), File(downloadDir, audioFileName!!), progressCallback)
                     }
                 else if(actualAudioSource is JSDashManifestRawAudioSource) {
                     audioFileSize = downloadDashFileSource("Audio", client, actualAudioSource, File(downloadDir, audioFileName!!), progressCallback);
@@ -580,83 +588,12 @@ class VideoDownload {
         return cipher.doFinal(encryptedSegment)
     }
 
-    private suspend fun downloadHlsSource(context: Context, name: String, client: ManagedHttpClient, hlsUrl: String, targetFile: File, onProgress: (Long, Long, Long) -> Unit): Long {
-        if(targetFile.exists())
-            targetFile.delete();
-
-        var downloadedTotalLength = 0L
-
-        val segmentFiles = arrayListOf<File>()
-        try {
-            val response = client.get(hlsUrl)
-            check(response.isOk) { "Failed to get variant playlist: ${response.code}" }
-
-            val vpContent = response.body?.string()
-                ?: throw Exception("Variant playlist content is empty")
-
-            val variantPlaylist = HLS.parseVariantPlaylist(vpContent, hlsUrl)
-            val decryptionInfo: DecryptionInfo? = if (variantPlaylist.decryptionInfo != null) {
-                val keyResponse = client.get(variantPlaylist.decryptionInfo.keyUrl)
-                check(keyResponse.isOk) { "HLS request failed for decryption key: ${keyResponse.code}" }
-                DecryptionInfo(keyResponse.body!!.bytes(), variantPlaylist.decryptionInfo.iv?.hexStringToByteArray())
-            } else {
-                null
-            }
-
-            variantPlaylist.segments.forEachIndexed { index, segment ->
-                if (segment !is HLS.MediaSegment) {
-                    return@forEachIndexed
-                }
-
-                Logger.i(TAG, "Download '$name' segment $index Sequential");
-                val segmentFile = File(context.cacheDir, "segment-${UUID.randomUUID()}")
-                val outputStream = segmentFile.outputStream()
-                try {
-                    segmentFiles.add(segmentFile)
-
-                    val segmentLength = downloadSource_Sequential(client, outputStream, segment.uri, if (index == 0) null else decryptionInfo, index) { segmentLength, totalRead, lastSpeed ->
-                        val averageSegmentLength = if (index == 0) segmentLength else downloadedTotalLength / index
-                        val expectedTotalLength = averageSegmentLength * (variantPlaylist.segments.size - 1) + segmentLength
-                        onProgress(expectedTotalLength, downloadedTotalLength + totalRead, lastSpeed)
-                    }
-
-                    downloadedTotalLength += segmentLength
-                } finally {
-                    outputStream.close()
-                }
-            }
-
-            Logger.i(TAG, "Combining segments into $targetFile");
-            combineSegments(context, segmentFiles, targetFile)
-
-            Logger.i(TAG, "${name} downloadSource Finished");
-        }
-        catch(ioex: IOException) {
-            if(targetFile.exists())
-                targetFile.delete();
-            if(ioex.message?.contains("ENOSPC") ?: false)
-                throw Exception("Not enough space on device", ioex);
-            else
-                throw ioex;
-        }
-        catch(ex: Throwable) {
-            if(targetFile.exists())
-                targetFile.delete();
-            throw ex;
-        }
-        finally {
-            for (segmentFile in segmentFiles) {
-                segmentFile.delete()
-            }
-        }
-        return downloadedTotalLength;
-    }
-
     private suspend fun combineSegments(context: Context, segmentFiles: List<File>, targetFile: File) = withContext(Dispatchers.IO) {
         suspendCancellableCoroutine { continuation ->
-            val cmd =
-                "-i \"concat:${segmentFiles.joinToString("|")}\" -c copy \"${targetFile.absolutePath}\""
+            val fileList = File(context.cacheDir, "fileList-${UUID.randomUUID()}.txt")
+            fileList.writeText(segmentFiles.joinToString("\n") { "file '${it.absolutePath}'" })
 
+            val cmd = "-f concat -safe 0 -i \"${fileList.absolutePath}\" -c copy \"${targetFile.absolutePath}\""
             val statisticsCallback = StatisticsCallback { _ ->
                 //TODO: Show progress?
             }
@@ -665,6 +602,7 @@ class VideoDownload {
             val session = FFmpegKit.executeAsync(cmd,
                 { session ->
                     if (ReturnCode.isSuccess(session.returnCode)) {
+                        fileList.delete()
                         continuation.resumeWith(Result.success(Unit))
                     } else {
                         val errorMessage = if (ReturnCode.isCancel(session.returnCode)) {
@@ -672,6 +610,7 @@ class VideoDownload {
                         } else {
                             "Command failed with state '${session.state}' and return code ${session.returnCode}, stack trace ${session.failStackTrace}"
                         }
+                        fileList.delete()
                         continuation.resumeWithException(RuntimeException(errorMessage))
                     }
                 },
@@ -686,6 +625,237 @@ class VideoDownload {
         }
     }
 
+    private suspend fun downloadHlsSource(context: Context, name: String, client: ManagedHttpClient, source: JSSource?, hlsUrl: String, targetFile: File, onProgress: (Long, Long, Long) -> Unit): Long {
+        if (targetFile.exists())
+            targetFile.delete()
+
+        var downloadedTotalLength = 0L
+        val modifier = if (source is JSSource && source.hasRequestModifier)
+            source.getRequestModifier()
+        else
+            null
+
+        fun downloadBytes(url: String, rangeStart: Long? = null, rangeLength: Long? = null): ByteArray {
+            val headers = mutableMapOf<String, String>()
+
+            if (rangeStart != null) {
+                if (rangeLength != null && rangeLength > 0) {
+                    val end = rangeStart + rangeLength - 1
+                    headers["Range"] = "bytes=$rangeStart-$end"
+                } else {
+                    headers["Range"] = "bytes=$rangeStart-"
+                }
+            }
+
+            val modified = modifier?.modifyRequest(url, headers)
+            val finalUrl = modified?.url ?: url
+            val finalHeaders = modified?.headers?.toMutableMap() ?: headers
+
+            val resp = client.get(finalUrl, finalHeaders)
+            if (!resp.isOk) {
+                resp.body?.close()
+                throw IllegalStateException("Failed to download HLS resource ($finalUrl): HTTP ${resp.code}")
+            }
+
+            val body = resp.body ?: throw IllegalStateException("Failed to download HLS resource ($finalUrl): Empty body")
+            val bytes = body.bytes()
+            body.close()
+            return bytes
+        }
+
+        fun buildSequenceIv(sequenceNumber: Long): ByteArray {
+            return ByteBuffer.allocate(16)
+                .putLong(0L)
+                .putLong(sequenceNumber)
+                .array()
+        }
+
+        val segmentFiles = arrayListOf<File>()
+        try {
+            val playlistHeaders = mutableMapOf<String, String>()
+            val modifiedPlaylistReq = modifier?.modifyRequest(hlsUrl, playlistHeaders)
+            val playlistResp = client.get(
+                modifiedPlaylistReq?.url ?: hlsUrl,
+                modifiedPlaylistReq?.headers?.toMutableMap() ?: playlistHeaders
+            )
+
+            check(playlistResp.isOk) { "Failed to get variant playlist: ${playlistResp.code}" }
+
+            val vpContent = playlistResp.body?.string()
+                ?: throw IllegalStateException("Variant playlist content is empty")
+
+            val variantPlaylist = HLS.parseVariantPlaylist(vpContent, hlsUrl)
+            val hlsDec = variantPlaylist.decryptionInfo
+            val useDecryption = hlsDec != null && !hlsDec.method.equals("NONE", ignoreCase = true)
+            var keyBytes: ByteArray? = null
+            var staticIvBytes: ByteArray? = null
+
+            if (useDecryption) {
+                if (!hlsDec.method.equals("AES-128", ignoreCase = true)) {
+                    throw UnsupportedOperationException("HLS decryption method '${hlsDec.method}' is not supported.")
+                }
+
+                val keyUrl = hlsDec.keyUrl ?: throw IllegalStateException("Encrypted HLS playlist without key URI is not supported.")
+
+                keyBytes = downloadBytes(keyUrl)
+                if (!hlsDec.iv.isNullOrEmpty()) {
+                    staticIvBytes = hlsDec.iv.hexStringToByteArray()
+                }
+            }
+
+            val mediaSequence = variantPlaylist.mediaSequence ?: 0L
+            val rangeOffsets = mutableMapOf<String, Long>()
+
+            if (!variantPlaylist.mapUrl.isNullOrEmpty()) {
+                if (isCancelled) throw CancellationException("Cancelled")
+
+                Logger.i(TAG, "Downloading HLS initialization map")
+
+                var mapRangeStart: Long? = null
+                var mapRangeLength: Long? = null
+
+                if (variantPlaylist.mapBytesLength > 0) {
+                    mapRangeLength = variantPlaylist.mapBytesLength
+
+                    val mapUrl = variantPlaylist.mapUrl
+                    if (variantPlaylist.mapBytesStart >= 0) {
+                        mapRangeStart = variantPlaylist.mapBytesStart
+                        rangeOffsets[mapUrl] =
+                            variantPlaylist.mapBytesStart + variantPlaylist.mapBytesLength
+                    } else {
+                        val offset = rangeOffsets[mapUrl] ?: 0L
+                        mapRangeStart = offset
+                        rangeOffsets[mapUrl] = offset + variantPlaylist.mapBytesLength
+                    }
+                }
+
+                var mapBytes = downloadBytes(variantPlaylist.mapUrl!!, mapRangeStart, mapRangeLength)
+
+                if (useDecryption) {
+                    val kb = keyBytes ?: throw IllegalStateException("Decryption key bytes are missing.")
+                    val iv = staticIvBytes
+                        ?: throw UnsupportedOperationException("Encrypted EXT-X-MAP without explicit IV is not supported.")
+                    mapBytes = decryptSegment(mapBytes, kb, iv)
+                }
+
+                if (mapBytes.size.toLong() > Int.MAX_VALUE) {
+                    throw IllegalStateException("HLS MAP segment too large to handle.")
+                }
+
+                val segmentFile = File(context.cacheDir, "segment-${UUID.randomUUID()}")
+                val outStr = segmentFile.outputStream()
+                try {
+                    segmentFiles.add(segmentFile)
+                    outStr.write(mapBytes)
+                    outStr.flush()
+                } finally {
+                    outStr.close()
+                }
+                downloadedTotalLength += mapBytes.size
+            }
+
+            val totalSegments = variantPlaylist.segments.size
+            var mediaSegmentIndex = 0
+
+            var bytesSinceLastSpeedUpdate = 0L
+            var lastSpeedUpdateTime = System.currentTimeMillis()
+            var lastSpeed = 0L
+
+            variantPlaylist.segments.forEachIndexed { index, segment ->
+                if (segment !is HLS.MediaSegment) return@forEachIndexed
+                if (isCancelled) throw CancellationException("Cancelled")
+
+                Logger.i(TAG, "Download '$name' segment $index sequential")
+
+                var rangeStart: Long? = null
+                var rangeLength: Long? = null
+
+                if (segment.bytesLength > 0) {
+                    rangeLength = segment.bytesLength
+
+                    val urlKey = segment.uri
+                    if (segment.bytesStart >= 0) {
+                        rangeStart = segment.bytesStart
+                        rangeOffsets[urlKey] = segment.bytesStart + segment.bytesLength
+                    } else {
+                        val offset = rangeOffsets[urlKey] ?: 0L
+                        rangeStart = offset
+                        rangeOffsets[urlKey] = offset + segment.bytesLength
+                    }
+                }
+
+                var segmentBytes = downloadBytes(segment.uri, rangeStart, rangeLength)
+
+                if (useDecryption) {
+                    val kb = keyBytes ?: throw IllegalStateException("Decryption key bytes are missing.")
+                    val ivBytes = if (staticIvBytes != null) {
+                        staticIvBytes
+                    } else {
+                        val sequenceNumber = mediaSequence + mediaSegmentIndex
+                        buildSequenceIv(sequenceNumber)
+                    }
+
+                    segmentBytes = decryptSegment(segmentBytes, kb, ivBytes)
+                }
+
+                val segmentLength = segmentBytes.size.toLong()
+                if (segmentLength > Int.MAX_VALUE) {
+                    throw IllegalStateException("HLS media segment too large to handle.")
+                }
+
+                val avgLen = if (index == 0) {
+                    segmentLength
+                } else {
+                    if (index > 0) downloadedTotalLength / index else segmentLength
+                }
+                val expectedTotal = avgLen * (totalSegments - 1) + segmentLength
+
+                val segmentFile = File(context.cacheDir, "segment-${UUID.randomUUID()}")
+                val outStr = segmentFile.outputStream()
+                try {
+                    segmentFiles.add(segmentFile)
+                    outStr.write(segmentBytes)
+                } finally {
+                    outStr.close()
+                }
+                downloadedTotalLength += segmentLength
+
+                bytesSinceLastSpeedUpdate += segmentLength
+                val now = System.currentTimeMillis()
+                val elapsed = now - lastSpeedUpdateTime
+                if (elapsed >= 500 && bytesSinceLastSpeedUpdate > 0) {
+                    lastSpeed = (bytesSinceLastSpeedUpdate * 1000L / elapsed)
+                    bytesSinceLastSpeedUpdate = 0
+                    lastSpeedUpdateTime = now
+                }
+
+                onProgress(expectedTotal, downloadedTotalLength, lastSpeed)
+                mediaSegmentIndex++
+            }
+
+            combineSegments(context, segmentFiles, targetFile)
+            Logger.i(TAG, "Finished HLS Source for $name")
+        } catch (ioex: IOException) {
+            if (targetFile.exists())
+                targetFile.delete()
+            if (ioex.message?.contains("ENOSPC") == true)
+                throw Exception("Not enough space on device", ioex)
+            else
+                throw ioex
+        } catch (ex: Throwable) {
+            if (targetFile.exists())
+                targetFile.delete()
+            throw ex
+        }
+        finally {
+            for (segmentFile in segmentFiles) {
+                segmentFile.delete()
+            }
+        }
+
+        return downloadedTotalLength
+    }
+
     private fun downloadDashFileSource(name: String, client: ManagedHttpClient, source: IJSDashManifestRawSource, targetFile: File, onProgress: (Long, Long, Long) -> Unit): Long {
         if(targetFile.exists())
             targetFile.delete();
@@ -695,6 +865,7 @@ class VideoDownload {
         val sourceLength: Long?;
         val fileStream = FileOutputStream(targetFile);
 
+        var executor: JSRequestExecutor? = null;
         try{
             var manifest = source.manifest;
             if(source.hasGenerate)
@@ -711,10 +882,15 @@ class VideoDownload {
             if(foundCues.count() <= 0)
                 throw IllegalStateException("No Cues found in manifest (unsupported dash?)");
 
-            val executor = if(source is JSSource && source.hasRequestExecutor)
+            executor = if(source is JSSource && source.hasRequestExecutor)
                 source.getRequestExecutor();
             else
                 null;
+
+            val modifier = if (source is JSSource && source.hasRequestModifier)
+                source.getRequestModifier();
+            else
+                null;
             val speedTracker = SpeedTracker(1000);
 
             Logger.i(TAG, "Download $name Dash, CueCount: " + foundCues.count().toString());
@@ -726,12 +902,14 @@ class VideoDownload {
                 val t = cue.groupValues[1];
                 val d = cue.groupValues[2];
 
+
                 val url = foundTemplateUrl.replace("\$Number\$", (indexCounter).toString());
+                val modified = modifier?.modifyRequest(url, mapOf());
 
                 val data = if(executor != null)
-                    executor.executeRequest("GET", url, null, mapOf());
+                    executor.executeRequest("GET", modified?.url ?: url, null, modified?.headers ?: mapOf());
                 else {
-                    val resp = client.get(url, mutableMapOf());
+                    val resp = client.get(modified?.url ?: url, modified?.headers?.toMutableMap() ?: mutableMapOf());
                     if(!resp.isOk)
                         throw IllegalStateException("Dash request failed for index " + indexCounter.toString() + ", with code: " + resp.code.toString());
                     resp.body!!.bytes()
@@ -763,10 +941,11 @@ class VideoDownload {
         }
         finally {
             fileStream.close();
+            executor?.closeAsync()
         }
         return sourceLength!!;
     }
-    private fun downloadFileSource(name: String, client: ManagedHttpClient, videoUrl: String, targetFile: File, onProgress: (Long, Long, Long) -> Unit): Long {
+    private fun downloadFileSource(name: String, client: ManagedHttpClient, source: JSSource?, videoUrl: String, targetFile: File, onProgress: (Long, Long, Long) -> Unit): Long {
         if(targetFile.exists())
             targetFile.delete();
 
@@ -775,7 +954,12 @@ class VideoDownload {
         val sourceLength: Long?;
         val fileStream = FileOutputStream(targetFile);
 
-        try{
+        val modifier = if (source is JSSource && source.hasRequestModifier)
+            source.getRequestModifier();
+        else
+            null;
+
+        try {
             val head = client.tryHead(videoUrl);
             val relatedPlugin = (video?.url ?: videoDetails?.url)?.let { StatePlatform.instance.getContentClient(it) }?.let { if(it is JSClient) it else null };
             if(Settings.instance.downloads.byteRangeDownload && head?.containsKey("accept-ranges") == true && head.containsKey("content-length"))
@@ -786,12 +970,12 @@ class VideoDownload {
                 Logger.i(TAG, "Download $name ByteRange Parallel (${concurrency}): " + videoUrl);
                 sourceLength = head["content-length"]!!.toLong();
                 onProgress(sourceLength, 0, 0);
-                downloadSource_Ranges(name, client, fileStream, videoUrl, sourceLength, 1024*512, concurrency, onProgress);
+                downloadSource_Ranges(name, client, modifier, fileStream, videoUrl, sourceLength, 1024*512, concurrency, onProgress);
             }
             else {
                 Logger.i(TAG, "Download $name Sequential");
                 try {
-                    sourceLength = downloadSource_Sequential(client, fileStream, videoUrl, null, 0, onProgress);
+                    sourceLength = downloadSource_Sequential(client, modifier, fileStream, videoUrl, null, 0, onProgress);
                 } catch (e: Throwable) {
                     Logger.w(TAG, "Failed to download sequentially (url = $videoUrl)")
                     throw e
@@ -842,7 +1026,7 @@ class VideoDownload {
         }
     }
 
-    private fun downloadSource_Sequential(client: ManagedHttpClient, fileStream: FileOutputStream, url: String, decryptionInfo: DecryptionInfo?, index: Int, onProgress: (Long, Long, Long) -> Unit): Long {
+    private fun downloadSource_Sequential(client: ManagedHttpClient, modifier: IRequestModifier? = null, fileStream: FileOutputStream, url: String, decryptionInfo: DecryptionInfo?, index: Int, onProgress: (Long, Long, Long) -> Unit): Long {
         val progressRate: Int = 4096 * 5;
         var lastProgressCount: Int = 0;
         val speedRate: Int = 4096 * 5;
@@ -851,7 +1035,12 @@ class VideoDownload {
 
         var lastSpeed: Long = 0;
 
-        val result = client.get(url);
+        val result = if (modifier != null) {
+            val modified = modifier.modifyRequest(url, mapOf())
+            client.get(modified.url!!, modified.headers.toMutableMap())
+        } else {
+            client.get(url)
+        }
         if (!result.isOk) {
             result.body?.close()
             throw IllegalStateException("Failed to download source. Web[${result.code}] Error");
@@ -988,7 +1177,7 @@ class VideoDownload {
         onProgress(sourceLength, totalRead, 0)
         return sourceLength
     }*/
-    private fun downloadSource_Ranges(name: String, client: ManagedHttpClient, fileStream: FileOutputStream, url: String, sourceLength: Long, rangeSize: Int, concurrency: Int = 1, onProgress: (Long, Long, Long) -> Unit) {
+    private fun downloadSource_Ranges(name: String, client: ManagedHttpClient, modifier: IRequestModifier?, fileStream: FileOutputStream, url: String, sourceLength: Long, rangeSize: Int, concurrency: Int = 1, onProgress: (Long, Long, Long) -> Unit) {
         val progressRate: Int = 4096 * 5;
         var lastProgressCount: Int = 0;
         val speedRate: Int = 4096 * 5;
@@ -1007,7 +1196,7 @@ class VideoDownload {
 
             Logger.i(TAG, "Download ${name} Batch #${reqCount} [${concurrency}] (${lastSpeed.toHumanBytesSpeed()})");
 
-            val byteRangeResults = requestByteRangeParallel(client, pool, url, sourceLength, concurrency, totalRead,
+            val byteRangeResults = requestByteRangeParallel(client, pool, modifier, url, sourceLength, concurrency, totalRead,
                 rangeSize, 1024 * 64);
 
             for(byteRange in byteRangeResults) {
@@ -1038,7 +1227,7 @@ class VideoDownload {
         onProgress(sourceLength, totalRead, 0);
     }
 
-    private fun requestByteRangeParallel(client: ManagedHttpClient, pool: ForkJoinPool, url: String, totalLength: Long, concurrency: Int, rangePosition: Long, rangeSize: Int, rangeVariance: Int = -1): List<Triple<ByteArray, Long, Long>> {
+    private fun requestByteRangeParallel(client: ManagedHttpClient, pool: ForkJoinPool, modifier: IRequestModifier?, url: String, totalLength: Long, concurrency: Int, rangePosition: Long, rangeSize: Int, rangeVariance: Int = -1): List<Triple<ByteArray, Long, Long>> {
         val tasks = mutableListOf<ForkJoinTask<Triple<ByteArray, Long, Long>>>();
         var readPosition = rangePosition;
         for(i in 0 until concurrency) {
@@ -1052,21 +1241,25 @@ class VideoDownload {
             else readPosition + toRead;
 
             tasks.add(pool.submit<Triple<ByteArray, Long, Long>> {
-                return@submit requestByteRange(client, url, rangeStart, rangeEnd);
+                return@submit requestByteRange(client, modifier, url, rangeStart, rangeEnd);
             });
             readPosition = rangeEnd + 1;
         }
 
         return tasks.map { it.get() };
     }
-    private fun requestByteRange(client: ManagedHttpClient, url: String, rangeStart: Long, rangeEnd: Long): Triple<ByteArray, Long, Long> {
+    private fun requestByteRange(client: ManagedHttpClient, modifier: IRequestModifier?, url: String, rangeStart: Long, rangeEnd: Long): Triple<ByteArray, Long, Long> {
         var retryCount = 0
-        var lastException: Throwable? = null
+        var lastException: Throwable? = null;
+
+        val headers = mutableMapOf(Pair("Range", "bytes=${rangeStart}-${rangeEnd}"));
+        val modified = modifier?.modifyRequest(url, headers);
 
         while (retryCount <= 3) {
             try {
                 val toRead = rangeEnd - rangeStart;
-                val req = client.get(url, mutableMapOf(Pair("Range", "bytes=${rangeStart}-${rangeEnd}")));
+
+                val req = client.get(modified?.url ?: url, modified?.headers?.toMutableMap() ?: headers);
                 if (!req.isOk) {
                     val bodyString = req.body?.string()
                     req.body?.close()

app/src/main/java/com/futo/platformplayer/engine/V8Plugin.kt

@@ -36,6 +36,7 @@ import com.futo.platformplayer.engine.internal.V8Converter
 import com.futo.platformplayer.engine.packages.PackageBridge
 import com.futo.platformplayer.engine.packages.PackageDOMParser
 import com.futo.platformplayer.engine.packages.PackageHttp
+import com.futo.platformplayer.engine.packages.PackageHttpImp
 import com.futo.platformplayer.engine.packages.PackageJSDOM
 import com.futo.platformplayer.engine.packages.PackageUtilities
 import com.futo.platformplayer.engine.packages.V8Package
@@ -383,6 +384,7 @@ class V8Plugin {
         return when(packageName) {
             "DOMParser" -> PackageDOMParser(this)
             "Http" -> PackageHttp(this, config)
+            "HttpImp" -> PackageHttpImp(this, config)
             "Utilities" -> PackageUtilities(this, config)
             "JSDOM" -> PackageJSDOM(this, config)
             else -> if(allowNull) null else throw ScriptCompilationException(config, "Unknown package [${packageName}] required for plugin ${config.name}");

app/src/main/java/com/futo/platformplayer/engine/packages/Libcurl.kt

@@ -0,0 +1,208 @@
+package com.curlbind
+
+import androidx.annotation.Keep
+import java.io.ByteArrayOutputStream
+import java.nio.charset.Charset
+import kotlin.collections.iterator
+import kotlin.math.min
+
+@Keep
+object Libcurl {
+    init {
+        System.loadLibrary("curl-impersonate")
+        System.loadLibrary("curl-impersonate-jni")
+        // CURL_GLOBAL_ALL = 3
+        require(ce_global_init(3) == CURLcode.CURLE_OK) { "curl_global_init failed" }
+    }
+
+    @Keep
+    data class Request(
+        var url: String,
+        var method: String = "GET",
+        var headers: Map<String, String> = emptyMap(),
+        var body: ByteArray? = null,
+        var impersonateTarget: String = "chrome136",
+        var useBuiltInHeaders: Boolean = true,
+        var timeoutMs: Int = 30_000
+    )
+
+    @Keep
+    data class Response(
+        val status: Int,
+        val effectiveUrl: String,
+        val bodyBytes: ByteArray,
+        val headers: Map<String, List<String>>
+    )
+
+    object CURLcode {
+        const val CURLE_OK = 0
+        const val CURLE_UNKNOWN_OPTION = 48
+    }
+
+    object CurlInfoConsts {
+        const val CURLINFO_STRING = 0x100000
+        const val CURLINFO_LONG = 0x200000
+        const val CURLINFO_DOUBLE = 0x300000
+        const val CURLINFO_SLIST = 0x400000
+        const val CURLINFO_PTR = 0x400000
+        const val CURLINFO_SOCKET = 0x500000
+        const val CURLINFO_OFF_T = 0x600000
+        const val CURLINFO_MASK = 0x0fffff
+        const val CURLINFO_TYPEMASK = 0xf00000
+    }
+
+    object CURLINFO {
+        const val NONE = 0
+        const val EFFECTIVE_URL = CurlInfoConsts.CURLINFO_STRING + 1
+        const val RESPONSE_CODE = CurlInfoConsts.CURLINFO_LONG + 2
+    }
+
+    object CURLOPT {
+        const val URL = 10002
+        const val FOLLOWLOCATION = 52
+        const val MAXREDIRS = 68
+        const val CONNECTTIMEOUT_MS = 156
+        const val TIMEOUT_MS = 155
+        const val HTTP_VERSION = 84
+        const val ACCEPT_ENCODING = 10102
+        const val HTTPHEADER = 10023
+        const val COOKIEFILE = 10031
+        const val COOKIEJAR = 10082
+        const val CUSTOMREQUEST = 10036
+        const val IPRESOLVE = 113
+        const val POSTFIELDS = 10015
+        const val POSTFIELDSIZE = 60
+        const val WRITEFUNCTION = 20011
+        const val HEADERFUNCTION = 20079
+        const val WRITEDATA = 10001
+        const val HEADERDATA = 10029
+        const val COPYPOSTFIELDS = 10165
+        const val CURLOPT_DNS_SERVERS = 10211
+        const val CAPATH = 10097
+        const val CAINFO = 10065
+    }
+
+    object CURL_HTTP_VERSION { const val TWO_TLS = 4 }
+    object CURL_IPRESOLVE { const val WHATEVER = 0; const val V4 = 1; const val V6 = 2 }
+
+    @Keep interface WriteCallback { fun onWrite(chunk: ByteArray): Int }
+    @Keep interface HeaderCallback { fun onHeader(line: ByteArray): Int }
+
+    @Volatile private var defaultCAPath: String? = null
+    @Keep fun setDefaultCAPath(path: String) { defaultCAPath = path }
+
+    fun perform(req: Request): Response {
+        val easy = ce_easy_init()
+        require(easy != 0L) { "curl_easy_init failed" }
+
+        var slist: Long = 0L
+        val bodySink = ByteArrayOutputStream(64 * 1024)
+        val rawHeaderLines = ArrayList<String>(64)
+
+        try {
+            val imp = ce_easy_impersonate(easy, req.impersonateTarget, req.useBuiltInHeaders)
+            if (imp != CURLcode.CURLE_OK && imp != CURLcode.CURLE_UNKNOWN_OPTION) {
+                error("curl_easy_impersonate failed: ${ce_easy_strerror(imp)}")
+            }
+
+            checkOK(ce_setopt_str(easy, CURLOPT.URL, req.url))
+            checkOK(ce_setopt_long(easy, CURLOPT.FOLLOWLOCATION, 1))
+            checkOK(ce_setopt_long(easy, CURLOPT.MAXREDIRS, 10))
+            checkOK(ce_setopt_long(easy, CURLOPT.CONNECTTIMEOUT_MS, req.timeoutMs.toLong()))
+            checkOK(ce_setopt_long(easy, CURLOPT.TIMEOUT_MS, req.timeoutMs.toLong()))
+            checkOK(ce_setopt_long(easy, CURLOPT.HTTP_VERSION, CURL_HTTP_VERSION.TWO_TLS.toLong()))
+            checkOK(ce_setopt_str(easy, CURLOPT.ACCEPT_ENCODING, "")) // enable auto-decompress
+
+            if (req.headers.isNotEmpty()) {
+                for ((k, v) in req.headers) slist = ce_slist_append(slist, "$k: $v")
+                if (slist != 0L) checkOK(ce_setopt_ptr(easy, CURLOPT.HTTPHEADER, slist))
+            }
+
+            val method = req.method
+            if (!method.equals("GET", ignoreCase = true)) {
+                checkOK(ce_setopt_str(easy, CURLOPT.CUSTOMREQUEST, method))
+                val body = req.body
+                if (body != null && body.isNotEmpty()) {
+                    checkOK(ce_set_postfields(easy, body))
+                }
+            }
+
+            checkOK(ce_set_write_callback(easy, object : WriteCallback {
+                override fun onWrite(chunk: ByteArray): Int {
+                    bodySink.write(chunk)
+                    return chunk.size
+                }
+            }))
+            checkOK(ce_set_header_callback(easy, object : HeaderCallback {
+                override fun onHeader(line: ByteArray): Int {
+                    // Keep raw but trim CRLF for convenience
+                    val s = line.toString(Charset.forName("ISO-8859-1")).trimEnd('\r', '\n')
+                    if (s.isNotBlank()) rawHeaderLines.add(s)
+                    return line.size
+                }
+            }))
+
+            checkOK(ce_setopt_str(easy, CURLOPT.CURLOPT_DNS_SERVERS, "1.1.1.1,8.8.8.8"));
+            defaultCAPath?.let { checkOK(ce_setopt_str(easy, CURLOPT.CAINFO, it)) }
+
+            val rc = ce_easy_perform(easy)
+            if (rc != CURLcode.CURLE_OK) error("curl_easy_perform failed: ${ce_easy_strerror(rc)}")
+
+            val codeArr = longArrayOf(0)
+            checkOK(ce_easy_getinfo_long(easy, CURLINFO.RESPONSE_CODE, codeArr))
+            val effective = ce_easy_getinfo_string(easy, CURLINFO.EFFECTIVE_URL) ?: req.url
+
+            return Response(
+                status = codeArr[0].toInt(),
+                effectiveUrl = effective,
+                bodyBytes = bodySink.toByteArray(),
+                headers = parseHeaders(rawHeaderLines)
+            )
+        } finally {
+            if (slist != 0L) ce_slist_free_all(slist)
+            ce_easy_cleanup(easy)
+        }
+    }
+
+    private fun defaultCookieJarPath(): String {
+        val tmp = System.getProperty("java.io.tmpdir") ?: "/data/local/tmp"
+        return if (tmp.endsWith("/")) "${tmp}imphttp.cookies.txt" else "$tmp/imphttp.cookies.txt"
+    }
+
+    private fun checkOK(code: Int) {
+        if (code != CURLcode.CURLE_OK) throw IllegalStateException("libcurl error: ${ce_easy_strerror(code)}")
+    }
+
+    private fun parseHeaders(lines: List<String>): Map<String, List<String>> {
+        val map = linkedMapOf<String, MutableList<String>>()
+        for (line in lines) {
+            val idx = line.indexOf(':')
+            if (idx <= 0) continue
+            val name = line.substring(0, idx).trim()
+            val value = line.substring(min(idx + 1, line.length)).trim()
+            map.getOrPut(name) { mutableListOf() }.add(value)
+        }
+        return map
+    }
+
+    @JvmStatic external fun ce_set_write_callback(easy: Long, cb: WriteCallback?): Int
+    @JvmStatic external fun ce_set_header_callback(easy: Long, cb: HeaderCallback?): Int
+
+    @JvmStatic external fun ce_global_init(flags: Long): Int
+    @JvmStatic external fun ce_global_cleanup()
+    @JvmStatic external fun ce_easy_init(): Long
+    @JvmStatic external fun ce_easy_cleanup(easy: Long)
+    @JvmStatic external fun ce_easy_perform(easy: Long): Int
+
+    @JvmStatic external fun ce_easy_impersonate(easy: Long, target: String, defaultHeaders: Boolean): Int
+    @JvmStatic external fun ce_setopt_long(easy: Long, opt: Int, value: Long): Int
+    @JvmStatic external fun ce_setopt_str(easy: Long, opt: Int, value: String): Int
+    @JvmStatic external fun ce_setopt_ptr(easy: Long, opt: Int, ptr: Long): Int
+    @JvmStatic external fun ce_slist_append(list: Long, header: String): Long
+    @JvmStatic external fun ce_slist_free_all(list: Long)
+    @JvmStatic external fun ce_easy_getinfo_long(easy: Long, info: Int, outVal: LongArray): Int
+    @JvmStatic external fun ce_easy_getinfo_string(easy: Long, info: Int): String?
+
+    @JvmStatic external fun ce_set_postfields(easy: Long, body: ByteArray): Int
+    @JvmStatic external fun ce_easy_strerror(code: Int): String
+}

app/src/main/java/com/futo/platformplayer/engine/packages/PackageDOMParser.kt

@@ -55,7 +55,7 @@ class PackageDOMParser : V8Package {
         }
         @V8Property
         fun lastChild(): DOMNode? {
-            val result = _element.firstElementChild()?.let { DOMNode(_package, it) };
+            val result = _element.lastElementChild()?.let { DOMNode(_package, it) };
             if(result != null)
                 _children.add(result);
             return result;

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/MainActivityFragment.kt

@@ -6,7 +6,7 @@ import com.futo.platformplayer.activities.MainActivity
 import com.futo.platformplayer.fragment.mainactivity.main.MainFragment
 
 open class MainActivityFragment : Fragment() {
-    protected val currentMain : MainFragment
+    protected val currentMain : MainFragment?
         get() {
         isValidMainActivity();
         return (activity as MainActivity).fragCurrent;

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/bottombar/MenuBottomBarFragment.kt

@@ -8,19 +8,25 @@ import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.content.res.Configuration
+import android.os.Build
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.*
+import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.core.animation.doOnEnd
+import androidx.core.view.isVisible
+import androidx.core.view.updateLayoutParams
 import androidx.lifecycle.lifecycleScope
 import androidx.media3.common.util.UnstableApi
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 import com.futo.platformplayer.R
 import com.futo.platformplayer.Settings
 import com.futo.platformplayer.UIDialogs
 import com.futo.platformplayer.activities.MainActivity
-import com.futo.platformplayer.activities.SettingsActivity
+import com.futo.platformplayer.constructs.Event1
 import com.futo.platformplayer.dp
 import com.futo.platformplayer.fragment.mainactivity.MainActivityFragment
 import com.futo.platformplayer.fragment.mainactivity.main.*
@@ -28,6 +34,10 @@ import com.futo.platformplayer.logging.Logger
 import com.futo.platformplayer.states.StateApp
 import com.futo.platformplayer.states.StatePayment
 import com.futo.platformplayer.states.StateSubscriptions
+import com.futo.platformplayer.views.AnyAdapterView
+import com.futo.platformplayer.views.AnyAdapterView.Companion.asAny
+import com.futo.platformplayer.views.adapters.AnyAdapter
+import com.futo.platformplayer.views.pills.RoundButton
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlin.math.floor
@@ -70,9 +80,15 @@ class MenuBottomBarFragment : MainActivityFragment() {
         private val _inflater: LayoutInflater;
         private val _subscribedActivity: MainActivity?;
 
+        private val _containerMoreHeader: ConstraintLayout;
+        private val _toggleAirplaneMode: LinearLayout;
+        private val _togglePrivacy: LinearLayout;
+
         private var _overlayMore: FrameLayout;
         private var _overlayMoreBackground: FrameLayout;
-        private var _layoutMoreButtons: LinearLayout;
+        private var _layoutMoreButtons: RecyclerView;
+        private val _layoutMoreButtonItems = arrayListOf<MenuButtonItem>();
+        private var _layoutMoreButtonsAdapter: AnyAdapterView<MenuButtonItem, MenuButtonItemViewHolder>;
         private var _layoutBottomBarButtons: LinearLayout;
 
         private var _moreVisible = false;
@@ -86,15 +102,90 @@ class MenuBottomBarFragment : MainActivityFragment() {
 
         private var currentButtonDefinitions: List<ButtonDefinition>? = null;
 
+        private var moreColumns = 3;
+
         constructor(fragment: MenuBottomBarFragment, inflater: LayoutInflater) : super(inflater.context) {
             _fragment = fragment;
             _inflater = inflater;
             inflater.inflate(R.layout.fragment_overview_bottom_bar, this);
 
+            _containerMoreHeader = findViewById(R.id.container_more_options);
+            _toggleAirplaneMode = findViewById(R.id.container_toggle_airplane);
+            _togglePrivacy = findViewById(R.id.container_toggle_privacy);
+
+            _toggleAirplaneMode.isVisible = false //TODO: Remove when airplane mode implemented
+
+            StateApp.instance.airplaneModeChanged.subscribe {
+                if(!StateApp.instance.airplaneMode)
+                    _toggleAirplaneMode.setBackgroundResource(R.drawable.background_menu_toggle)
+                else
+                    _toggleAirplaneMode.setBackgroundResource(R.drawable.background_menu_toggle_active)
+            }
+            if(!StateApp.instance.airplaneMode)
+                _toggleAirplaneMode.setBackgroundResource(R.drawable.background_menu_toggle)
+            else
+                _toggleAirplaneMode.setBackgroundResource(R.drawable.background_menu_toggle_active)
+            _toggleAirplaneMode.setOnClickListener {
+                if(StateApp.instance.airplaneMode) {
+                    StateApp.instance.setAirMode(false);
+                    UIDialogs.appToast("Airplane mode disabled");
+                }
+                else {
+                    StateApp.instance.setAirMode(true);
+                    UIDialogs.appToast("Airplane mode enabled");
+                }
+            }
+
+            StateApp.instance.privateModeChanged.subscribe {
+                if(!StateApp.instance.privateMode)
+                    _togglePrivacy.setBackgroundResource(R.drawable.background_menu_toggle)
+                else
+                    _togglePrivacy.setBackgroundResource(R.drawable.background_menu_toggle_active)
+            }
+            if(!StateApp.instance.privateMode)
+                _togglePrivacy.setBackgroundResource(R.drawable.background_menu_toggle)
+            else
+                _togglePrivacy.setBackgroundResource(R.drawable.background_menu_toggle_active)
+            _togglePrivacy.setOnClickListener {
+                if(StateApp.instance.privateMode) {
+                    StateApp.instance.setPrivacyMode(false);
+                    UIDialogs.appToast("Privacy mode disabled");
+                }
+                else {
+                    StateApp.instance.setPrivacyMode(true);
+                    UIDialogs.appToast("Privacy mode enabled");
+
+                    if(Settings.instance.other.showPrivacyModeDialog)
+                        UIDialogs.showDialog(it.context ?: return@setOnClickListener, R.drawable.incognito, "Privacy Mode",
+                            "All requests will be processed anonymously (any logins will be disabled except for the personalized home page), local playback and history tracking will also be disabled.\n\nTap the icon to disable.", null, 0,
+                            UIDialogs.Action("Don't show again", {
+                                Settings.instance.other.showPrivacyModeDialog = false;
+                                Settings.instance.save();
+                            }, UIDialogs.ActionStyle.NONE),
+                            UIDialogs.Action("Understood", {
+
+                            }, UIDialogs.ActionStyle.PRIMARY));
+                }
+            }
+
             _overlayMore = findViewById(R.id.more_overlay);
             _overlayMoreBackground = findViewById(R.id.more_overlay_background);
             _layoutMoreButtons = findViewById(R.id.more_menu_buttons);
-            _layoutBottomBarButtons = findViewById(R.id.bottom_bar_buttons)
+            _layoutBottomBarButtons = findViewById(R.id.bottom_bar_buttons);
+
+            val totalWidthDp = resources.displayMetrics.widthPixels / resources.displayMetrics.density;
+            val columns = MenuButtonItemViewHolder.getAutoSizeColumns(totalWidthDp);
+            _layoutMoreButtonsAdapter = _layoutMoreButtons.asAny<MenuButtonItem, MenuButtonItemViewHolder>(_layoutMoreButtonItems,
+                RecyclerView.VERTICAL, false, { button ->
+                button.setAutoSize(totalWidthDp);
+                button.parentFragment = this@MenuBottomBarView._fragment;
+                button.onClick.subscribe {
+                    setMoreVisible(false);
+                }
+            })
+            moreColumns = columns;
+            val layoutManager = GridLayoutManager(context, columns, GridLayoutManager.VERTICAL, true);
+            _layoutMoreButtons.layoutManager = layoutManager;
 
             _overlayMoreBackground.setOnClickListener { setMoreVisible(false); };
 
@@ -121,6 +212,8 @@ class MenuBottomBarFragment : MainActivityFragment() {
         }
 
         private fun setMoreVisible(visible: Boolean) {
+
+            //TODO: issues with these bools
             if (_moreVisibleAnimating) {
                 return
             }
@@ -129,9 +222,12 @@ class MenuBottomBarFragment : MainActivityFragment() {
                 return
             }
 
+
+/*
             val height = _moreButtons.firstOrNull()?.let {
                 it.height.toFloat() + (it.layoutParams as MarginLayoutParams).bottomMargin
             } ?: return
+            */
 
             _moreVisibleAnimating = true
             val moreOverlayBackground = _overlayMoreBackground
@@ -143,10 +239,17 @@ class MenuBottomBarFragment : MainActivityFragment() {
                 moreOverlay.visibility = VISIBLE
                 val animations = arrayListOf<Animator>()
                 animations.add(ObjectAnimator.ofFloat(moreOverlayBackground, "alpha", 0.0f, 1.0f).setDuration(duration))
+                animations.add(ObjectAnimator.ofFloat(_layoutMoreButtons, "alpha", 0.0f, 1.0f).setDuration(duration))
+                animations.add(ObjectAnimator.ofFloat(_containerMoreHeader, "alpha", 0.0f, 1.0f).setDuration(duration))
+                _bottomButtons.find { it.definition.id == 99 }?.let {
+                    animations.add(ObjectAnimator.ofFloat(it, "alpha", 0.5f, 1.0f)
+                        .setDuration(duration));
+                }
 
+                animations.add(ObjectAnimator.ofFloat(_layoutMoreButtons, "translationY", resources.displayMetrics.heightPixels.toFloat(), 0.0f).setDuration(duration))
                 for ((index, button) in _moreButtons.withIndex()) {
                     val i = _moreButtons.size - index
-                    animations.add(ObjectAnimator.ofFloat(button, "translationY", height * staggerFactor * (i + 1), 0.0f).setDuration(duration))
+                    //animations.add(ObjectAnimator.ofFloat(button, "translationY", height * staggerFactor * (i + 1), 0.0f).setDuration(duration))
                 }
 
                 val animatorSet = AnimatorSet()
@@ -158,11 +261,24 @@ class MenuBottomBarFragment : MainActivityFragment() {
                 animatorSet.start()
             } else {
                 val animations = arrayListOf<Animator>()
-                animations.add(ObjectAnimator.ofFloat(moreOverlayBackground, "alpha", 1.0f, 0.0f).setDuration(duration))
+                animations
+                    .add(ObjectAnimator.ofFloat(moreOverlayBackground, "alpha", 1.0f, 0.0f)
+                    .setDuration(duration))
+                animations
+                    .add(ObjectAnimator.ofFloat(_layoutMoreButtons, "alpha", 1.0f, 0.0f)
+                        .setDuration(duration))
+                animations
+                    .add(ObjectAnimator.ofFloat(_containerMoreHeader, "alpha", 1.0f, 0.0f)
+                        .setDuration(duration))
+                _bottomButtons.find { it.definition.id == 99 }?.let {
+                    animations.add(ObjectAnimator.ofFloat(it, "alpha", 1.0f, 0.5f)
+                        .setDuration(duration));
+                }
 
+                animations.add(ObjectAnimator.ofFloat(_layoutMoreButtons, "translationY", 0.0f, resources.displayMetrics.heightPixels.toFloat()).setDuration(duration))
                 for ((index, button) in _moreButtons.withIndex()) {
                     val i = _moreButtons.size - index
-                    animations.add(ObjectAnimator.ofFloat(button, "translationY", 0.0f, height * staggerFactor * (i + 1)).setDuration(duration))
+                    //animations.add(ObjectAnimator.ofFloat(button, "translationY", 0.0f, height * staggerFactor * (i + 1)).setDuration(duration))
                 }
 
                 val animatorSet = AnimatorSet()
@@ -174,11 +290,12 @@ class MenuBottomBarFragment : MainActivityFragment() {
                 animatorSet.playTogether(animations)
                 animatorSet.start()
             }
+
         }
 
         private fun updateBottomMenuButtons(buttons: MutableList<ButtonDefinition>, hasMore: Boolean) {
             if (hasMore) {
-                buttons.add(ButtonDefinition(99, R.drawable.ic_more, R.drawable.ic_more, R.string.more, canToggle = false, { false }, { setMoreVisible(true) }))
+                buttons.add(ButtonDefinition(99, R.drawable.ic_more, R.drawable.ic_more, R.string.more, canToggle = false, { false }, { setMoreVisible(!_moreVisible) }))
             }
 
             _bottomButtons.clear();
@@ -218,32 +335,42 @@ class MenuBottomBarFragment : MainActivityFragment() {
             _layoutMoreButtons.removeAllViews();
 
             var insertedButtons = 0;
+            //Force settings to be first
+            val settingsIndex = buttons.indexOfFirst { b -> b.id == 7 };
+            if (settingsIndex != -1) {
+                val button = buttons[settingsIndex]
+                buttons.removeAt(settingsIndex)
+                buttons.add(0, button)
+                //insertedButtons++;
+            }
             //Force buy to be on top for more buttons
             val buyIndex = buttons.indexOfFirst { b -> b.id == 98 };
             if (buyIndex != -1) {
                 val button = buttons[buyIndex]
                 buttons.removeAt(buyIndex)
-                buttons.add(0, button)
-                insertedButtons++;
+                buttons.add(button)
+                //insertedButtons++;
             }
             //Force faq to be second
             val faqIndex = buttons.indexOfFirst { b -> b.id == 97 };
             if (faqIndex != -1) {
                 val button = buttons[faqIndex]
                 buttons.removeAt(faqIndex)
-                buttons.add(if (insertedButtons == 1) 1 else 0, button)
-                insertedButtons++;
+                buttons.add(button)
+                //insertedButtons++;
             }
             //Force privacy to be third
             val privacyIndex = buttons.indexOfFirst { b -> b.id == 96 };
             if (privacyIndex != -1) {
                 val button = buttons[privacyIndex]
                 buttons.removeAt(privacyIndex)
-                buttons.add(if (insertedButtons == 2) 2 else (if(insertedButtons == 1) 1 else 0), button)
-                insertedButtons++;
+                buttons.add(button)
+                //insertedButtons++;
             }
 
+            val newButtons = mutableListOf<MenuButtonItem>();
             for (data in buttons) {
+                /*
                 val button = MenuButton(context, data, _fragment, true);
                 button.setOnClickListener {
                     updateMenuIcons()
@@ -253,14 +380,19 @@ class MenuBottomBarFragment : MainActivityFragment() {
 
                 _moreButtons.add(button);
                 _layoutMoreButtons.addView(button);
+                */
+                val buttonItem = MenuButtonItem(data);
+                newButtons.add(buttonItem);
             }
+            _layoutMoreButtonsAdapter.setData(newButtons);
+            _layoutMoreButtonsAdapter.notifyContentChanged();
         }
 
         private fun updateMenuIcons() {
             for(button in _bottomButtons.toList())
                 button.updateActive(_fragment);
             for(button in _moreButtons.toList())
-                button.updateActive(_fragment);
+                button.updateActive(_fragment, true);
         }
 
         override fun onConfigurationChanged(newConfig: Configuration?) {
@@ -341,6 +473,71 @@ class MenuBottomBarFragment : MainActivityFragment() {
         }
 
 
+        class MenuButtonItem(val def: ButtonDefinition);
+        class MenuButtonItemViewHolder(private val _viewGroup: ViewGroup): AnyAdapter.AnyViewHolder<MenuButtonItem>(
+            LayoutInflater.from(_viewGroup.context).inflate(R.layout.list_menu_tile,
+                _viewGroup, false)) {
+
+            val onClick = Event1<MenuButtonItem>();
+
+            val root: ConstraintLayout;
+            val imageIcon: ImageView;
+            val textName: TextView;
+
+
+            var button: MenuButtonItem? = null;
+
+            var parentFragment: MenuBottomBarFragment? = null;
+
+            init {
+                root = _view.findViewById(R.id.root);
+                imageIcon = _view.findViewById(R.id.image_icon);
+                textName = _view.findViewById(R.id.text_name);
+
+                root.setOnClickListener {
+                    button?.let {
+                        it.def.action(parentFragment ?: return@let);
+                        onClick.emit(it);
+                    }
+                }
+            }
+
+
+            override fun bind(value: MenuButtonItem) {
+                button = value;
+                textName.text = _view.context.getString(value.def.string);
+                imageIcon.setImageResource(value.def.iconActive);
+            }
+
+
+            fun setWidth(dp: Int) {
+                root.updateLayoutParams {
+                    this.width = (dp - 6).dp(_viewGroup.context.resources);
+                    this.height = (dp - 6).dp(_viewGroup.context.resources);
+                }
+                imageIcon.updateLayoutParams {
+                    this.width = (dp - 54).dp(_viewGroup.context.resources);
+                    this.height = (dp - 54).dp(_viewGroup.context.resources);
+                }
+            }
+
+            fun setAutoSize(totalWidth: Float) {
+                val dpWidth = totalWidth;
+                val columns = Math.max(((dpWidth) / viewWidthDp).toInt(), 1);
+                val remainder = dpWidth - columns * viewWidthDp;
+                val targetSize = viewWidthDp + (remainder / columns).toInt();
+                setWidth(targetSize);
+            }
+
+            companion object {
+                val viewWidthDp = 90;
+                fun getAutoSizeColumns(totalWidth: Float): Int {
+                    val dpWidth = totalWidth;
+                    val columns = Math.max(((dpWidth) / viewWidthDp).toInt(), 1);
+                    return columns;
+                }
+            }
+        }
         class MenuButton: LinearLayout {
             val definition: ButtonDefinition;
 
@@ -354,7 +551,14 @@ class MenuBottomBarFragment : MainActivityFragment() {
                 this.definition = def;
 
                 _buttonImage = findViewById(R.id.image_button);
-                _buttonImage.setImageResource(if (def.isActive(fragment)) def.iconActive else def.icon);
+                //_buttonImage.setImageResource(if (def.isActive(fragment)) def.iconActive else def.icon);
+                _buttonImage.setImageResource(definition.iconActive);
+                if(definition.isActive(fragment) || isMore) {
+                    this.alpha = 1f;
+                }
+                else {
+                    this.alpha = 0.5f;
+                }
 
                 _textButton = findViewById(R.id.text_button);
                 _textButton.text = resources.getString(def.string);
@@ -365,8 +569,16 @@ class MenuBottomBarFragment : MainActivityFragment() {
                 }
             }
 
-            fun updateActive(fragment: MenuBottomBarFragment) {
-                _buttonImage.setImageResource(if (definition.isActive(fragment)) definition.iconActive else definition.icon);
+            fun updateActive(fragment: MenuBottomBarFragment, isMore: Boolean = false, overrideValue: Boolean? = null) {
+                //_buttonImage.setImageResource(if (definition.isActive(fragment)) definition.iconActive else definition.icon);
+                _buttonImage.setImageResource(definition.iconActive);
+                val isActive = overrideValue ?: definition.isActive(fragment) || isMore
+                if(isActive) {
+                    this.alpha = 1f;
+                }
+                else {
+                    this.alpha = 0.5f;
+                }
             }
         }
     }
@@ -389,6 +601,9 @@ class MenuBottomBarFragment : MainActivityFragment() {
                 }
             }),
             ButtonDefinition(1, R.drawable.ic_subscriptions, R.drawable.ic_subscriptions_filled, R.string.subscriptions, canToggle = true, { it.currentMain is SubscriptionsFeedFragment }, { it.navigate<SubscriptionsFeedFragment>(withHistory = false) }),
+            //if(Build.VERSION.SDK_INT > Build.VERSION_CODES.P)
+                ButtonDefinition(12, R.drawable.ic_library, R.drawable.ic_library, R.string.library, canToggle = false, { it.currentMain is LibraryFragment }, { it.navigate<LibraryFragment>(withHistory = false) })
+            ,//else null,
             ButtonDefinition(2, R.drawable.ic_creators, R.drawable.ic_creators_filled, R.string.creators, canToggle = false, { it.currentMain is CreatorsFragment }, { it.navigate<CreatorsFragment>(withHistory = false) }),
             ButtonDefinition(3, R.drawable.ic_sources, R.drawable.ic_sources_filled, R.string.sources, canToggle = false, { it.currentMain is SourcesFragment }, { it.navigate<SourcesFragment>(withHistory = false) }),
             ButtonDefinition(4, R.drawable.ic_playlist, R.drawable.ic_playlist_filled, R.string.playlists, canToggle = false, { it.currentMain is PlaylistsFragment }, { it.navigate<PlaylistsFragment>(withHistory = false) }),
@@ -398,7 +613,9 @@ class MenuBottomBarFragment : MainActivityFragment() {
             ButtonDefinition(8, R.drawable.ic_chat, R.drawable.ic_chat_filled, R.string.comments, canToggle = true, { it.currentMain is CommentsFragment }, { it.navigate<CommentsFragment>(withHistory = false) }),
             ButtonDefinition(9, R.drawable.ic_subscriptions, R.drawable.ic_subscriptions_filled, R.string.subscription_group_menu, canToggle = true, { it.currentMain is SubscriptionGroupListFragment }, { it.navigate<SubscriptionGroupListFragment>(withHistory = false) }),
             ButtonDefinition(10, R.drawable.ic_help_square, R.drawable.ic_help_square_fill, R.string.tutorials, canToggle = true, { it.currentMain is TutorialFragment }, { it.navigate<TutorialFragment>(withHistory = false) }),
-            ButtonDefinition(7, R.drawable.ic_settings, R.drawable.ic_settings_filled, R.string.settings, canToggle = false, { false }, {
+            ButtonDefinition(7, R.drawable.ic_settings, R.drawable.ic_settings_filled, R.string.settings, canToggle = false, { it.currentMain is SettingsFragment }, {
+                it.navigate<SettingsFragment>();
+                /*
                 val c = it.context ?: return@ButtonDefinition;
                 Logger.i(TAG, "settings preventPictureInPicture()");
                 it.requireFragment<VideoDetailFragment>().preventPictureInPicture();
@@ -406,8 +623,8 @@ class MenuBottomBarFragment : MainActivityFragment() {
                 c.startActivity(intent);
                 if (c is Activity) {
                     c.overridePendingTransition(R.anim.slide_in_up, R.anim.slide_darken);
-                }
-            }),
+                }*/
+            }),/*
             ButtonDefinition(96, R.drawable.ic_disabled_visible, R.drawable.ic_disabled_visible, R.string.privacy_mode, canToggle = true, { false }, {
                 UIDialogs.showDialog(it.context ?: return@ButtonDefinition, R.drawable.ic_disabled_visible_purple, "Privacy Mode",
                     "All requests will be processed anonymously (any logins will be disabled except for the personalized home page), local playback and history tracking will also be disabled.\n\nTap the icon to disable.", null, 0,
@@ -417,14 +634,14 @@ class MenuBottomBarFragment : MainActivityFragment() {
                     UIDialogs.Action("Enable", {
                         StateApp.instance.setPrivacyMode(true);
                     }, UIDialogs.ActionStyle.PRIMARY));
-            }),
+            }),*/
             ButtonDefinition(97, R.drawable.ic_quiz, R.drawable.ic_quiz_fill, R.string.faq, canToggle = true, { false }, {
                 it.navigate<BrowserFragment>(Settings.URL_FAQ, withHistory = false);
             })
             //96 is reserved for privacy button
             //98 is reserved for buy button
             //99 is reserved for more button
-        );
+        ).filterNotNull();
     }
 
     data class ButtonDefinition(

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/BaseFragment.kt

@@ -0,0 +1,88 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.Manifest
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.os.Bundle
+import android.provider.MediaStore
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.LinearLayout
+import android.widget.TextView
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import androidx.core.view.isVisible
+import androidx.core.view.updateLayoutParams
+import androidx.recyclerview.widget.RecyclerView
+import com.futo.platformplayer.R
+import com.futo.platformplayer.UIDialogs
+import com.futo.platformplayer.activities.MainActivity
+import com.futo.platformplayer.api.media.models.contents.IPlatformContent
+import com.futo.platformplayer.api.media.models.video.IPlatformVideo
+import com.futo.platformplayer.dp
+import com.futo.platformplayer.states.Album
+import com.futo.platformplayer.states.Artist
+import com.futo.platformplayer.states.ArtistOrdering
+import com.futo.platformplayer.states.FileEntry
+import com.futo.platformplayer.states.StateApp
+import com.futo.platformplayer.states.StateLibrary
+import com.futo.platformplayer.views.AnyAdapterView.Companion.asAny
+import com.futo.platformplayer.views.AnyInsertedAdapterView
+import com.futo.platformplayer.views.AnyInsertedAdapterView.Companion.asAnyWithTop
+import com.futo.platformplayer.views.AnyInsertedAdapterView.Companion.asAnyWithViews
+import com.futo.platformplayer.views.LibrarySection
+import com.futo.platformplayer.views.adapters.AnyAdapter
+import com.futo.platformplayer.views.adapters.InsertedViewAdapter
+import com.futo.platformplayer.views.adapters.viewholders.AlbumTileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.ArtistTileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.FileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.LocalVideoTileViewHolder
+import com.futo.platformplayer.views.buttons.BigButton
+
+
+class BaseFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+    private var view: FragView? = null;
+
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val newView = FragView(this);
+        view = newView;
+        return newView;
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown();
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = BaseFragment().apply {}
+    }
+
+
+    class FragView: ConstraintLayout {
+        val fragment: BaseFragment;
+
+        constructor(fragment: BaseFragment) : super(fragment.requireContext()) {
+            inflate(context, R.layout.fragview_library, this);
+            this.fragment = fragment;
+        }
+
+
+        fun onShown() {
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/ChannelFragment.kt

@@ -20,6 +20,7 @@ import androidx.lifecycle.lifecycleScope
 import androidx.viewpager2.widget.ViewPager2
 import com.bumptech.glide.Glide
 import com.futo.platformplayer.R
+import com.futo.platformplayer.Settings
 import com.futo.platformplayer.UIDialogs
 import com.futo.platformplayer.UISlideOverlays
 import com.futo.platformplayer.api.media.PlatformID
@@ -55,6 +56,7 @@ import com.futo.platformplayer.views.adapters.ChannelViewPagerAdapter
 import com.futo.platformplayer.views.others.CreatorThumbnail
 import com.futo.platformplayer.views.overlays.slideup.SlideUpMenuOverlay
 import com.futo.platformplayer.views.subscriptions.SubscribeButton
+import com.futo.platformplayer.withTimestamp
 import com.futo.polycentric.core.ApiMethods
 import com.futo.polycentric.core.PolycentricProfile
 import com.futo.polycentric.core.toURLInfoSystemLinkUrl
@@ -198,8 +200,12 @@ class ChannelFragment : MainFragment() {
             adapter.onContentClicked.subscribe { v, _ ->
                 when (v) {
                     is IPlatformVideo -> {
-                        StatePlayer.instance.clearQueue()
-                        fragment.navigate<VideoDetailFragment>(v).maximizeVideoDetail()
+                        //StatePlayer.instance.clearQueue()
+                        if (StatePlayer.instance.hasQueue) {
+                            StatePlayer.instance.insertToQueue(v, true);
+                        } else {
+                            fragment.navigate<VideoDetailFragment>(v).maximizeVideoDetail();
+                        }
                     }
 
                     is IPlatformPlaylist -> {
@@ -244,7 +250,7 @@ class ChannelFragment : MainFragment() {
             adapter.onContentUrlClicked.subscribe { url, contentType ->
                 when (contentType) {
                     ContentType.MEDIA -> {
-                        StatePlayer.instance.clearQueue()
+                        StatePlayer.instance.clearQueue();
                         fragment.navigate<VideoDetailFragment>(url).maximizeVideoDetail()
                     }
 
@@ -403,7 +409,7 @@ class ChannelFragment : MainFragment() {
             _fragment.topBar?.onShown(channel)
 
             val buttons = arrayListOf(Pair(R.drawable.ic_playlist_add) {
-                UIDialogs.showConfirmationDialog(context,
+                val dialog = UIDialogs.showConfirmationDialog(context,
                     context.getString(R.string.do_you_want_to_convert_channel_channelname_to_a_playlist)
                         .replace("{channelName}", channel.name),
                     {

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/ContentFeedView.kt

@@ -64,7 +64,7 @@ abstract class ContentFeedView<TFragment> : FeedView<TFragment, IPlatformContent
         player.modifyState("ThumbnailPlayer") { state -> state.muted = true };
         _exoPlayer = player;
 
-        return PreviewContentListAdapter(fragment.lifecycleScope, context, feedStyle, dataset, player, _previewsEnabled, arrayListOf(), arrayListOf(), shouldShowTimeBar).apply {
+        return PreviewContentListAdapter(fragment.lifecycleScope, context, feedStyle ?: FeedStyle.THUMBNAIL, dataset, player, _previewsEnabled, arrayListOf(), arrayListOf(), shouldShowTimeBar).apply {
             attachAdapterEvents(this);
         }
     }

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/DeveloperFragment.kt

@@ -0,0 +1,91 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import android.widget.ImageButton
+import android.widget.LinearLayout
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.view.isVisible
+import com.futo.platformplayer.R
+import com.futo.platformplayer.SettingsDev
+import com.futo.platformplayer.views.fields.FieldForm
+import com.futo.platformplayer.views.fields.IField
+
+
+class DeveloperFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+    private var view: FragView? = null;
+
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val newView = FragView(this);
+        view = newView;
+        _currentView = view;
+        return newView;
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown();
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        _currentView = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = DeveloperFragment().apply {}
+
+        private var _currentView: FragView? = null;
+        val currentView: FragView?
+            get() = _currentView;
+    }
+
+
+    class FragView: ConstraintLayout {
+        val fragment: DeveloperFragment;
+
+        private lateinit var _form: FieldForm;
+        private lateinit var _buttonBack: ImageButton;
+
+        private var _isFinished = false;
+
+        lateinit var overlay: FrameLayout;
+
+        val notifPermission = "android.permission.POST_NOTIFICATIONS";
+
+        constructor(fragment: DeveloperFragment) : super(fragment.requireContext()) {
+            inflate(context, R.layout.activity_dev, this);
+            this.fragment = fragment;
+
+            val activity = fragment.activity;
+            findViewById<LinearLayout>(R.id.container_topbar).isVisible = false;
+
+            _buttonBack = findViewById(R.id.button_back);
+            _form = findViewById(R.id.settings_form);
+
+            _form.fromObject(SettingsDev.instance);
+            _form.onChanged.subscribe { _, _ ->
+                _form.setObjectValues();
+                SettingsDev.instance.save();
+            };
+        }
+
+        fun getField(id: String): IField? {
+            return _form.findField(id);
+        }
+
+        fun onShown() {
+
+        }
+
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/FeedView.kt

@@ -9,6 +9,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.*
+import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -39,6 +40,7 @@ import java.time.OffsetDateTime
 import kotlin.math.max
 
 abstract class FeedView<TFragment, TResult, TConverted, TPager, TViewHolder> : LinearLayout where TPager : IPager<TResult>, TViewHolder : RecyclerView.ViewHolder, TFragment : MainFragment {
+    protected val _feedRoot: ConstraintLayout;
     protected val  _recyclerResults: RecyclerView;
     protected val _overlayContainer: FrameLayout;
     protected val _swipeRefresh: SwipeRefreshLayout;
@@ -51,8 +53,9 @@ abstract class FeedView<TFragment, TResult, TConverted, TPager, TViewHolder> : L
     private val _emptyPagerContainer: FrameLayout;
 
     protected val _toolbarContentView: LinearLayout;
+    protected val _bottomContentView: LinearLayout;
 
-    private var _loading: Boolean = true;
+    private var _loading: Boolean = false;
 
     private val _pagerLock = Object();
     private var _cache: ItemCache<TResult>? = null;
@@ -67,7 +70,7 @@ abstract class FeedView<TFragment, TResult, TConverted, TPager, TViewHolder> : L
     private var _sortByOptions: List<String>? = null;
     private var _activeTags: List<String>? = null;
 
-    private var _nextPageHandler: TaskHandler<TPager, List<TResult>>;
+    private var _nextPageHandler: TaskHandler<TPager, Pair<TPager, List<TResult>>>;
     val recyclerData: RecyclerData<InsertedViewAdapterWithLoader<TViewHolder>, GridLayoutManager, TPager, TResult, TConverted, InsertedViewHolder<TViewHolder>>;
 
     val fragment: TFragment;
@@ -80,6 +83,7 @@ abstract class FeedView<TFragment, TResult, TConverted, TPager, TViewHolder> : L
         this.fragment = fragment;
         inflater.inflate(R.layout.fragment_feed, this);
 
+        _feedRoot = findViewById(R.id.feed_root);
         _textCentered = findViewById(R.id.text_centered);
         _emptyPagerContainer = findViewById(R.id.empty_pager_container);
         _progressBar = findViewById(R.id.progress_bar);
@@ -134,24 +138,29 @@ abstract class FeedView<TFragment, TResult, TConverted, TPager, TViewHolder> : L
         setActiveTags(null);
 
         _toolbarContentView = findViewById(R.id.container_toolbar_content);
+        _bottomContentView = findViewById(R.id.container_bottom);
 
-        _nextPageHandler = TaskHandler<TPager, List<TResult>>({fragment.lifecycleScope}, {
+        _nextPageHandler = TaskHandler<TPager, Pair<TPager, List<TResult>>>({fragment.lifecycleScope}, {
             if (it is IAsyncPager<*>)
                 it.nextPageAsync();
             else
                 it.nextPage();
 
             processPagerExceptions(it);
-            return@TaskHandler it.getResults();
+            return@TaskHandler Pair(it, it.getResults());
         }).success {
+            val pager = it.first;
+            val results = it.second
+
             setLoading(false);
 
             val posBefore = recyclerData.results.size;
-            val filteredResults = filterResults(it);
+            val filteredResults = filterResults(results);
             recyclerData.results.addAll(filteredResults);
-            recyclerData.resultsUnfiltered.addAll(it);
+            recyclerData.resultsUnfiltered.addAll(results);
             recyclerData.adapter.notifyItemRangeInserted(recyclerData.adapter.childToParentPosition(posBefore), filteredResults.size);
-            ensureEnoughContentVisible(filteredResults)
+            if(pager.hasMorePages())
+                ensureEnoughContentVisible(filteredResults)
         }.exception<Throwable> {
             Logger.w(TAG, "Failed to load next page.", it);
             UIDialogs.showGeneralRetryErrorDialog(context, context.getString(R.string.failed_to_load_next_page), it, {
@@ -171,10 +180,9 @@ abstract class FeedView<TFragment, TResult, TConverted, TPager, TViewHolder> : L
 
                 val visibleItemCount = _recyclerResults.childCount;
                 val firstVisibleItem = recyclerData.layoutManager.findFirstVisibleItemPosition()
-                //Logger.i(TAG, "onScrolled loadNextPage visibleItemCount=$visibleItemCount firstVisibleItem=$visibleItemCount")
+                //Logger.i(TAG, "onScrolled loadNextPage(): firstVisibleItem=$firstVisibleItem visibleItemCount=$visibleItemCount visibleThreshold=$visibleThreshold recyclerData.results.size=${recyclerData.results.size}")
 
-                if (!_loading && firstVisibleItem + visibleItemCount + visibleThreshold >= recyclerData.results.size && firstVisibleItem > 0) {
-                    //Logger.i(TAG, "onScrolled loadNextPage(): firstVisibleItem=$firstVisibleItem visibleItemCount=$visibleItemCount visibleThreshold=$visibleThreshold recyclerData.results.size=${recyclerData.results.size}")
+                if (!_loading && firstVisibleItem + visibleItemCount + visibleThreshold >= recyclerData.results.size) {
                     loadNextPage();
                 }
             }
@@ -188,57 +196,44 @@ abstract class FeedView<TFragment, TResult, TConverted, TPager, TViewHolder> : L
     }
 
     private fun ensureEnoughContentVisible(filteredResults: List<TConverted>) {
-        val canScroll = if (recyclerData.results.isEmpty()) false else {
-            val height = resources.displayMetrics.heightPixels;
+        _recyclerResults.post {
+            val canScroll = _recyclerResults.canScrollVertically(1)
+            Logger.i(
+                TAG,
+                "ensureEnoughContentVisible loadNextPage canScroll=$canScroll _automaticNextPageCounter=$_automaticNextPageCounter"
+            )
+            if (!canScroll || filteredResults.isEmpty()) {
+                _automaticNextPageCounter++
+                if (_automaticNextPageCounter < _automaticBackoff.size) {
+                    if (_automaticNextPageCounter > 0) {
+                        val automaticNextPageCounterSaved = _automaticNextPageCounter;
+                        fragment.lifecycleScope.launch(Dispatchers.Default) {
+                            val backoff = _automaticBackoff[Math.min(
+                                _automaticBackoff.size - 1,
+                                _automaticNextPageCounter
+                            )];
 
-            val layoutManager = recyclerData.layoutManager
-            val firstVisibleItemPosition = layoutManager.findFirstVisibleItemPosition()
-            val firstVisibleItemView = if(firstVisibleItemPosition != RecyclerView.NO_POSITION) layoutManager.findViewByPosition(firstVisibleItemPosition) else null;
-            val lastVisibleItemPosition = layoutManager.findLastCompletelyVisibleItemPosition();
-            val lastVisibleItemView = if(lastVisibleItemPosition != RecyclerView.NO_POSITION) layoutManager.findViewByPosition(lastVisibleItemPosition) else null;
-            val rows = if(recyclerData.layoutManager is GridLayoutManager) Math.max(1, recyclerData.results.size / recyclerData.layoutManager.spanCount) else 1;
-            val rowsHeight = (firstVisibleItemView?.height ?: 0) * rows;
-            if(lastVisibleItemView != null && lastVisibleItemPosition == (recyclerData.results.size - 1)) {
-                false;
-            }
-            else if (firstVisibleItemView != null && height != null && rowsHeight < height) {
-                false;
-            } else {
-                true;
-            }
-        }
-
-        Logger.i(TAG, "ensureEnoughContentVisible loadNextPage canScroll=$canScroll _automaticNextPageCounter=$_automaticNextPageCounter")
-        if (!canScroll || filteredResults.isEmpty()) {
-            _automaticNextPageCounter++
-            if(_automaticNextPageCounter < _automaticBackoff.size) {
-                if(_automaticNextPageCounter > 0) {
-                    val automaticNextPageCounterSaved = _automaticNextPageCounter;
-                    fragment.lifecycleScope.launch(Dispatchers.Default) {
-                        val backoff = _automaticBackoff[Math.min(_automaticBackoff.size - 1, _automaticNextPageCounter)];
-
-                        withContext(Dispatchers.Main) {
-                            setLoading(true);
-                        }
-                        delay(backoff.toLong());
-                        if(automaticNextPageCounterSaved == _automaticNextPageCounter) {
                             withContext(Dispatchers.Main) {
-                                loadNextPage();
+                                setLoading(true);
+                            }
+                            delay(backoff.toLong());
+                            if (automaticNextPageCounterSaved == _automaticNextPageCounter) {
+                                withContext(Dispatchers.Main) {
+                                    loadNextPage();
+                                }
+                            } else {
+                                withContext(Dispatchers.Main) {
+                                    setLoading(false);
+                                }
                             }
                         }
-                        else {
-                            withContext(Dispatchers.Main) {
-                                setLoading(false);
-                            }
-                        }
-                    }
+                    } else
+                        loadNextPage();
                 }
-                else
-                    loadNextPage();
+            } else {
+                Logger.i(TAG, "ensureEnoughContentVisible automaticNextPageCounter reset");
+                _automaticNextPageCounter = 0;
             }
-        } else {
-            Logger.i(TAG, "ensureEnoughContentVisible automaticNextPageCounter reset");
-            _automaticNextPageCounter = 0;
         }
     }
     fun resetAutomaticNextPageCounter(){
@@ -390,6 +385,9 @@ abstract class FeedView<TFragment, TResult, TConverted, TPager, TViewHolder> : L
     protected fun finishRefreshLayoutLoader() {
         _swipeRefresh.isRefreshing = false;
     }
+    protected fun disableRefreshLayout() {
+        _swipeRefresh.isEnabled = false;
+    }
 
     fun clearResults(){
         setPager(EmptyPager<TResult>() as TPager);
@@ -472,7 +470,9 @@ abstract class FeedView<TFragment, TResult, TConverted, TPager, TViewHolder> : L
         recyclerData.resultsUnfiltered.addAll(toAdd);
         recyclerData.adapter.notifyDataSetChanged();
         recyclerData.loadedFeedStyle = feedStyle;
-        ensureEnoughContentVisible(filteredResults)
+        setLoading(false)
+        if(pager.hasMorePages())
+            ensureEnoughContentVisible(filteredResults)
     }
 
     private fun detachPagerEvents() {

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/HistoryFragment.kt

@@ -26,6 +26,7 @@ import com.futo.platformplayer.models.HistoryVideo
 import com.futo.platformplayer.states.StateHistory
 import com.futo.platformplayer.states.StatePlatform
 import com.futo.platformplayer.states.StatePlayer
+import com.futo.platformplayer.states.StatePlaylists
 import com.futo.platformplayer.states.StatePlugins
 import com.futo.platformplayer.views.ToggleBar
 import com.futo.platformplayer.views.adapters.HistoryListViewHolder
@@ -243,12 +244,23 @@ class HistoryFragment : MainFragment() {
                 return;
             }
 
-            val inputMethodManager = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager;
             val diff = v.video.duration - v.position;
             val vid: Any = if (diff > 5) { v.video.withTimestamp(v.position) } else { v.video };
-            StatePlayer.instance.clearQueue();
-            _fragment.navigate<VideoDetailFragment>(vid).maximizeVideoDetail();
+
+            val playlistId = v.playlistId
+            val playlist = playlistId?.let { StatePlaylists.instance.getPlaylist(it) }
+            val playlistIndex = playlist?.videos?.indexOfFirst { it.url == v.video.url }
+            if (playlist != null && playlistIndex != null && playlistIndex >= 0) {
+                _fragment.navigate<VideoDetailFragment>(vid).maximizeVideoDetail();
+                StatePlayer.instance.setPlaylist(playlist, playlistIndex)
+
+            } else {
+                StatePlayer.instance.clearQueue();
+                _fragment.navigate<VideoDetailFragment>(vid).maximizeVideoDetail();
+            }
+
             _editSearch.clearFocus();
+            val inputMethodManager = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager;
             inputMethodManager.hideSoftInputFromWindow(_editSearch.windowToken, 0);
 
             _fragment.lifecycleScope.launch(Dispatchers.Main) {

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/HomeFragment.kt

@@ -365,8 +365,10 @@ class HomeFragment : MainFragment() {
             finishRefreshLayoutLoader();
             setLoading(false);
             setPager(pager);
-            if(pager.getResults().isEmpty() && !pager.hasMorePages())
+            if(pager.getResults().isEmpty() && !pager.hasMorePages()) {
+                setLoading(false);
                 setEmptyPager(true);
+            }
         }
     }
 

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/LibraryAlbumFragment.kt

@@ -0,0 +1,159 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.content.Context
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import android.widget.LinearLayout
+import androidx.core.view.updateLayoutParams
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.futo.platformplayer.UISlideOverlays
+import com.futo.platformplayer.api.media.models.video.IPlatformVideo
+import com.futo.platformplayer.api.media.structures.AdhocPager
+import com.futo.platformplayer.api.media.structures.EmptyPager
+import com.futo.platformplayer.api.media.structures.IPager
+import com.futo.platformplayer.dp
+import com.futo.platformplayer.fragment.mainactivity.topbar.NavigationTopBarFragment
+import com.futo.platformplayer.states.Album
+import com.futo.platformplayer.states.StateLibrary
+import com.futo.platformplayer.states.StatePlayer
+import com.futo.platformplayer.toHumanDuration
+import com.futo.platformplayer.views.AlbumHeaderView
+import com.futo.platformplayer.views.FeedStyle
+import com.futo.platformplayer.views.adapters.InsertedViewAdapterWithLoader
+import com.futo.platformplayer.views.adapters.viewholders.TrackViewHolder
+
+
+class LibraryAlbumFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+    private var view: FragView? = null;
+
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): android.view.View {
+        val newView = FragView(this, inflater);
+        view = newView;
+        return newView;
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown(parameter);
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = LibraryAlbumFragment().apply {}
+    }
+
+
+    class FragView : FeedView<LibraryAlbumFragment, IPlatformVideo, IPlatformVideo, IPager<IPlatformVideo>, TrackViewHolder> {
+        override val feedStyle: FeedStyle = FeedStyle.THUMBNAIL; //R.layout.list_creator;
+
+        private val _header: AlbumHeaderView;
+
+        private var _album: Album? = null;
+        private var _tracks: List<IPlatformVideo>? = null;
+        private var _url: String? = null;
+
+        constructor(fragment: LibraryAlbumFragment, inflater: LayoutInflater) : super(fragment, inflater) {
+            _header = AlbumHeaderView(context);
+            _toolbarContentView.addView(_header);
+
+            _header.onPlayAll.subscribe {
+                val playlist = _album?.toPlaylist(_tracks);
+                if (playlist != null) {
+                    StatePlayer.instance.setPlaylist(playlist, focus = true);
+                }
+            }
+            _header.onShuffle.subscribe {
+                val playlist = _album?.toPlaylist(_tracks);
+                if (playlist != null) {
+                    StatePlayer.instance.setPlaylist(playlist, focus = true, shuffle = true);
+                }
+            }
+
+            /*
+            _feedRoot.updateLayoutParams<LinearLayout.LayoutParams> {
+                this.setMargins(0,-50.dp(resources),0,0)
+            } */
+        }
+
+        fun onShown(parameter: Any?) {
+            val album = if(parameter is String)
+                StateLibrary.instance.getAlbum(parameter);
+            else if(parameter is Long)
+                StateLibrary.instance.getAlbum(parameter);
+            else if(parameter is Album)
+                parameter;
+            else null;
+            if(album == null) {
+                _album = null;
+                _tracks = null;
+                setPager(EmptyPager());
+                return;
+            }
+            _header.setName(album.name);
+            _header.setThumbnail(album.thumbnail);
+            val tracks = album.getTracks();
+            _album = album;
+            _tracks = tracks;
+            _header.setMetadata("${tracks.size} tracks" +  if(tracks.size > 0) (" • " + tracks.sumOf { it.duration }.toHumanDuration(false)) else "");
+            setPager(AdhocPager({listOf()}, tracks));
+        }
+
+        override fun createAdapter(recyclerResults: RecyclerView, context: Context, dataset: ArrayList<IPlatformVideo>): InsertedViewAdapterWithLoader<TrackViewHolder> {
+            return InsertedViewAdapterWithLoader(context, arrayListOf(), arrayListOf(),
+                childCountGetter = { dataset.size },
+                childViewHolderBinder = { viewHolder, position -> viewHolder.bind(dataset[position]); },
+                childViewHolderFactory = { viewGroup, _ ->
+                    val holder = TrackViewHolder(viewGroup);
+                    holder.onClick.subscribe { c ->
+
+                        val playlist = _album?.toPlaylist(_tracks);
+                        val index = playlist?.videos?.indexOfFirst { it.name == c.name } ?: -1;
+                        if (playlist != null) {
+                            if (index == -1)
+                                return@subscribe;
+
+                            StatePlayer.instance.setPlaylist(playlist, index, true);
+                        }
+                    };
+                    holder.onOptions.subscribe {
+                        if(it is IPlatformVideo)
+                            UISlideOverlays.showVideoOptionsOverlay(it, _overlayContainer);
+                    }
+                    return@InsertedViewAdapterWithLoader holder;
+                }
+            );
+        }
+
+        override fun updateSpanCount(){ }
+
+        override fun createLayoutManager(recyclerResults: RecyclerView, context: Context): GridLayoutManager {
+            val glmResults = GridLayoutManager(context, 1)
+
+            _swipeRefresh.layoutParams = (_swipeRefresh.layoutParams as MarginLayoutParams?)?.apply {
+                rightMargin = TypedValue.applyDimension(
+                    TypedValue.COMPLEX_UNIT_DIP,
+                    8.0f,
+                    context.resources.displayMetrics
+                ).toInt()
+            }
+            return glmResults
+        }
+
+        companion object {
+            private const val TAG = "LibraryArtistsFragmentsView";
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/LibraryAlbumsFragment.kt

@@ -0,0 +1,185 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.content.Context
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.EditText
+import android.widget.FrameLayout
+import android.widget.ImageButton
+import android.widget.ImageView
+import android.widget.LinearLayout.GONE
+import android.widget.LinearLayout.VISIBLE
+import android.widget.Spinner
+import android.widget.TextView
+import androidx.core.widget.addTextChangedListener
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import com.futo.platformplayer.R
+import com.futo.platformplayer.UISlideOverlays
+import com.futo.platformplayer.api.media.models.PlatformAuthorLink
+import com.futo.platformplayer.api.media.models.playlists.IPlatformPlaylist
+import com.futo.platformplayer.api.media.structures.AdhocPager
+import com.futo.platformplayer.api.media.structures.IPager
+import com.futo.platformplayer.constructs.Event0
+import com.futo.platformplayer.constructs.Event1
+import com.futo.platformplayer.images.GlideHelper.Companion.crossfade
+import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.states.Album
+import com.futo.platformplayer.states.StateLibrary
+import com.futo.platformplayer.stores.FragmentedStorage
+import com.futo.platformplayer.stores.StringStorage
+import com.futo.platformplayer.views.FeedStyle
+import com.futo.platformplayer.views.LibraryTypeHeaderView
+import com.futo.platformplayer.views.adapters.AnyAdapter
+import com.futo.platformplayer.views.adapters.InsertedViewAdapterWithLoader
+import com.futo.platformplayer.views.adapters.SubscriptionAdapter
+import com.futo.platformplayer.views.adapters.viewholders.AlbumTileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.SelectablePlaylist
+import com.futo.platformplayer.views.others.CreatorThumbnail
+import com.futo.platformplayer.views.platform.PlatformIndicator
+
+class LibraryAlbumsFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+
+    var view: FragView? = null;
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val view = FragView(this, inflater);
+        this.view = view;
+        return view;
+    }
+
+    override fun onShown(parameter: Any?, isBack: Boolean) {
+        super.onShown(parameter, isBack)
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown();
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = LibraryAlbumsFragment().apply {}
+    }
+
+    class FragView : FeedView<LibraryAlbumsFragment, Album, Album, IPager<Album>, AlbumTileViewHolder> {
+        override val feedStyle: FeedStyle = FeedStyle.THUMBNAIL; //R.layout.list_creator;
+
+        val libraryTypeHeader: LibraryTypeHeaderView;
+
+        constructor(fragment: LibraryAlbumsFragment, inflater: LayoutInflater) : super(fragment, inflater) {
+            libraryTypeHeader = LibraryTypeHeaderView(context);
+            libraryTypeHeader.setSelectedType(LibraryTypeHeaderView.SelectedType.Albums);
+            libraryTypeHeader.setMetadata("");
+
+            libraryTypeHeader.onSelectedChanged.subscribe {
+                when(it) {
+                    LibraryTypeHeaderView.SelectedType.Artists -> fragment.navigate<LibraryArtistsFragment>();
+                    else -> {}
+                }
+            }
+
+            _toolbarContentView.addView(libraryTypeHeader);
+            disableRefreshLayout();
+        }
+
+        fun onShown() {
+            val initialAlbums = StateLibrary.instance.getAlbums();
+            Logger.i(TAG, "Initial album count: " + initialAlbums.size);
+
+            libraryTypeHeader.setMetadata("${initialAlbums.size} albums");
+            setPager(AdhocPager<Album>({ listOf(); }, initialAlbums));
+        }
+
+        override fun reload() {
+            super.reload();
+            finishRefreshLayoutLoader();
+        }
+
+        override fun createAdapter(recyclerResults: RecyclerView, context: Context, dataset: ArrayList<Album>): InsertedViewAdapterWithLoader<AlbumTileViewHolder> {
+            return InsertedViewAdapterWithLoader(context, arrayListOf(), arrayListOf(),
+                childCountGetter = { dataset.size },
+                childViewHolderBinder = { viewHolder, position -> viewHolder.bind(dataset[position]); },
+                childViewHolderFactory = { viewGroup, _ ->
+                    val holder = AlbumTileViewHolder(viewGroup);
+                    holder.setAutoSize(resources.displayMetrics.widthPixels / resources.displayMetrics.density)
+                    holder.onClick.subscribe { c -> fragment.navigate<LibraryAlbumFragment>(c) };
+                    return@InsertedViewAdapterWithLoader holder;
+                }
+            );
+        }
+
+        override fun updateSpanCount(){ }
+
+        override fun createLayoutManager(recyclerResults: RecyclerView, context: Context): GridLayoutManager {
+            val glmResults = GridLayoutManager(context, AlbumTileViewHolder.getAutoSizeColumns(resources.displayMetrics.widthPixels / resources.displayMetrics.density))
+
+            _swipeRefresh.layoutParams = (_swipeRefresh.layoutParams as MarginLayoutParams?)?.apply {
+                leftMargin = TypedValue.applyDimension(
+                    TypedValue.COMPLEX_UNIT_DIP,
+                    3f,
+                    context.resources.displayMetrics
+                ).toInt()
+            }
+
+            return glmResults
+        }
+
+        companion object {
+            private const val TAG = "LibraryAlbumsFragmentsView";
+        }
+    }
+
+    class AlbumViewHolder(private val _viewGroup: ViewGroup) : AnyAdapter.AnyViewHolder<Album>(
+        LayoutInflater.from(_viewGroup.context).inflate(R.layout.list_album,
+            _viewGroup, false)) {
+
+        val onClick = Event1<Album?>();
+
+        protected var _album: Album? = null;
+        protected val _imageThumbnail: ImageView
+        protected val _textName: TextView
+        protected val _textMetadata: TextView
+
+        init {
+            _imageThumbnail = _view.findViewById(R.id.image_thumbnail);
+            _textName = _view.findViewById(R.id.text_name);
+            _textMetadata = _view.findViewById(R.id.text_metadata);
+
+            _view.setOnClickListener { onClick.emit(_album) };
+        }
+
+
+        override fun bind(album: Album) {
+            _album = album;
+            _imageThumbnail?.let {
+                if (album.thumbnail != null)
+                    Glide.with(it)
+                        .load(album.thumbnail)
+                        .placeholder(R.drawable.placeholder_channel_thumbnail)
+                        .into(it)
+                else
+                    Glide.with(it).load(R.drawable.placeholder_channel_thumbnail).into(it);
+            };
+
+            _textName.text = album.name;
+            _textMetadata.text = album.artist ?: "";
+        }
+
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/LibraryArtistFragment.kt

@@ -0,0 +1,634 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.content.Context
+import android.graphics.drawable.Animatable
+import android.net.Uri
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import android.widget.ImageButton
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.TextView
+import androidx.appcompat.widget.AppCompatImageView
+import androidx.core.view.isVisible
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import androidx.viewpager2.adapter.FragmentStateAdapter
+import androidx.viewpager2.widget.ViewPager2
+import com.bumptech.glide.Glide
+import com.futo.platformplayer.R
+import com.futo.platformplayer.UIDialogs
+import com.futo.platformplayer.UISlideOverlays
+import com.futo.platformplayer.api.media.models.PlatformAuthorLink
+import com.futo.platformplayer.api.media.models.contents.ContentType
+import com.futo.platformplayer.api.media.models.contents.IPlatformContent
+import com.futo.platformplayer.api.media.models.playlists.IPlatformPlaylist
+import com.futo.platformplayer.api.media.models.post.IPlatformPost
+import com.futo.platformplayer.api.media.models.video.IPlatformVideo
+import com.futo.platformplayer.api.media.models.video.SerializedPlatformVideo
+import com.futo.platformplayer.api.media.structures.AdhocPager
+import com.futo.platformplayer.api.media.structures.IPager
+import com.futo.platformplayer.assume
+import com.futo.platformplayer.constructs.Event1
+import com.futo.platformplayer.constructs.Event2
+import com.futo.platformplayer.constructs.Event3
+import com.futo.platformplayer.fragment.mainactivity.main.LibraryAlbumsFragment.AlbumViewHolder
+import com.futo.platformplayer.fragment.mainactivity.topbar.NavigationTopBarFragment
+import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.models.SearchType
+import com.futo.platformplayer.states.Album
+import com.futo.platformplayer.states.Artist
+import com.futo.platformplayer.states.StateLibrary
+import com.futo.platformplayer.states.StatePlatform
+import com.futo.platformplayer.states.StatePlayer
+import com.futo.platformplayer.states.StatePlaylists
+import com.futo.platformplayer.states.StateSubscriptions
+import com.futo.platformplayer.views.FeedStyle
+import com.futo.platformplayer.views.adapters.InsertedViewAdapterWithLoader
+import com.futo.platformplayer.views.adapters.viewholders.AlbumTileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.TrackViewHolder
+import com.futo.platformplayer.views.others.CreatorThumbnail
+import com.futo.platformplayer.views.overlays.slideup.SlideUpMenuOverlay
+import com.futo.platformplayer.views.subscriptions.SubscribeButton
+import com.google.android.material.tabs.TabLayout
+import com.google.android.material.tabs.TabLayoutMediator
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+class LibraryArtistFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+    private var _textMeta: TextView? = null;
+
+    var view: FragView? = null;
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val view = FragView(this, inflater);
+        this.view = view;
+        return view;
+    }
+
+    override fun onShown(parameter: Any?, isBack: Boolean) {
+        super.onShown(parameter, isBack)
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown(parameter, isBack);
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = LibraryArtistFragment().apply {}
+    }
+
+    class FragView(fragment: LibraryArtistFragment, inflater: LayoutInflater) : LinearLayout(inflater.context) {
+        private val _fragment: LibraryArtistFragment = fragment
+
+        private var _textChannel: TextView
+        private var _textChannelSub: TextView
+        private var _creatorThumbnail: CreatorThumbnail
+        private var _imageBanner: AppCompatImageView
+
+        private var _tabs: TabLayout
+        private var _viewPager: ViewPager2
+
+        //        private var _adapter: ChannelViewPagerAdapter;
+        private var _tabLayoutMediator: TabLayoutMediator
+        private var _buttonSubscribe: SubscribeButton
+        private var _buttonSubscriptionSettings: ImageButton
+
+        private var _overlayContainer: FrameLayout
+        private var _overlayLoading: LinearLayout
+        private var _overlayLoadingSpinner: ImageView
+
+        private var _slideUpOverlay: SlideUpMenuOverlay? = null
+
+        private var _isLoading: Boolean = false
+        private var _selectedTabIndex: Int = -1
+        var channel: Artist? = null
+            private set
+        private var _url: String? = null
+
+        private val _onPageChangeCallback = object : ViewPager2.OnPageChangeCallback() {}
+
+        init {
+            inflater.inflate(R.layout.fragment_artist, this)
+
+            val tabs: TabLayout = findViewById(R.id.tabs)
+            val viewPager: ViewPager2 = findViewById(R.id.view_pager)
+            _textChannel = findViewById(R.id.text_channel_name)
+            _textChannelSub = findViewById(R.id.text_metadata)
+            _creatorThumbnail = findViewById(R.id.creator_thumbnail)
+            _imageBanner = findViewById(R.id.image_channel_banner)
+            _buttonSubscribe = findViewById(R.id.button_subscribe)
+            _buttonSubscriptionSettings = findViewById(R.id.button_sub_settings)
+            _overlayLoading = findViewById(R.id.channel_loading_overlay)
+            _overlayLoadingSpinner = findViewById(R.id.channel_loader_frag)
+            _overlayContainer = findViewById(R.id.overlay_container)
+            _buttonSubscribe.onSubscribed.subscribe {
+                UISlideOverlays.showSubscriptionOptionsOverlay(it, _overlayContainer)
+                _buttonSubscriptionSettings.visibility =
+                    if (_buttonSubscribe.isSubscribed) View.VISIBLE else View.GONE
+            }
+            _buttonSubscribe.onUnSubscribed.subscribe {
+                _buttonSubscriptionSettings.visibility =
+                    if (_buttonSubscribe.isSubscribed) View.VISIBLE else View.GONE
+            }
+            _buttonSubscriptionSettings.setOnClickListener {
+                val url = channel?.contentUrl ?: _url ?: return@setOnClickListener
+                val sub =
+                    StateSubscriptions.instance.getSubscription(url) ?: return@setOnClickListener
+                UISlideOverlays.showSubscriptionOptionsOverlay(sub, _overlayContainer)
+            }
+
+            //TODO: Determine if this is really the only solution (isSaveEnabled=false)
+            viewPager.isSaveEnabled = false
+            viewPager.registerOnPageChangeCallback(_onPageChangeCallback)
+            val adapter = ArtistViewPagerAdapter(fragment, fragment.childFragmentManager, fragment.lifecycle)
+            adapter.onChannelClicked.subscribe { c -> fragment.navigate<ChannelFragment>(c) }
+            adapter.onContentClicked.subscribe { v, _ ->
+                when (v) {
+                    is IPlatformVideo -> {
+                        StatePlayer.instance.clearQueue()
+                        fragment.navigate<VideoDetailFragment>(v).maximizeVideoDetail()
+                    }
+
+                    is IPlatformPlaylist -> {
+                        fragment.navigate<RemotePlaylistFragment>(v)
+                    }
+
+                    is IPlatformPost -> {
+                        fragment.navigate<PostDetailFragment>(v)
+                    }
+                }
+            }
+            adapter.onShortClicked.subscribe { v, _, pagerPair ->
+                when (v) {
+                    is IPlatformVideo -> {
+                        StatePlayer.instance.clearQueue()
+                        fragment.navigate<ShortsFragment>(Triple(v, pagerPair!!.first, pagerPair.second))
+                    }
+                }
+            }
+            adapter.onAddToClicked.subscribe { content ->
+                _overlayContainer.let {
+                    if (content is IPlatformVideo) _slideUpOverlay =
+                        UISlideOverlays.showVideoOptionsOverlay(content, it)
+                }
+            }
+            adapter.onAddToQueueClicked.subscribe { content ->
+                if (content is IPlatformVideo) {
+                    StatePlayer.instance.addToQueue(content)
+                }
+            }
+            adapter.onAddToWatchLaterClicked.subscribe { content ->
+                if (content is IPlatformVideo) {
+                    if(StatePlaylists.instance.addToWatchLater(SerializedPlatformVideo.fromVideo(content), true))
+                        UIDialogs.toast("Added to watch later\n[${content.name}]")
+                    else
+                        UIDialogs.toast(context.getString(R.string.already_in_watch_later))
+                }
+            }
+            adapter.onUrlClicked.subscribe { url ->
+                fragment.navigate<BrowserFragment>(url)
+            }
+            adapter.onContentUrlClicked.subscribe { url, contentType ->
+                when (contentType) {
+                    ContentType.MEDIA -> {
+                        StatePlayer.instance.clearQueue()
+                        fragment.navigate<VideoDetailFragment>(url).maximizeVideoDetail()
+                    }
+
+                    ContentType.URL -> fragment.navigate<BrowserFragment>(url)
+                    else -> {}
+                }
+            }
+            adapter.onLongPress.subscribe { content ->
+                _overlayContainer.let {
+                    if (content is IPlatformVideo) _slideUpOverlay =
+                        UISlideOverlays.showVideoOptionsOverlay(content, it)
+                }
+            }
+            viewPager.adapter = adapter
+            val tabLayoutMediator = TabLayoutMediator(
+                tabs, viewPager, (viewPager.adapter as ArtistViewPagerAdapter)::getTabNames
+            )
+            tabLayoutMediator.attach()
+
+            _tabLayoutMediator = tabLayoutMediator
+            _tabs = tabs
+            _viewPager = viewPager
+            if (_selectedTabIndex != -1) {
+                selectTab(_selectedTabIndex)
+            }
+            setLoading(true)
+        }
+
+        fun selectTab(tab: ArtistTab) {
+            (_viewPager.adapter as ArtistViewPagerAdapter).getTabPosition(tab)
+        }
+
+        fun cleanup() {
+            _tabLayoutMediator.detach()
+            _viewPager.unregisterOnPageChangeCallback(_onPageChangeCallback)
+            hideSlideUpOverlay()
+            (_overlayLoadingSpinner.drawable as Animatable?)?.stop()
+        }
+
+        fun onShown(parameter: Any?, isBack: Boolean) {
+            hideSlideUpOverlay()
+            _selectedTabIndex = -1
+
+            if (!isBack || _url == null) {
+                _imageBanner.setImageDrawable(null)
+
+                when (parameter) {
+                    is String -> {
+                        _buttonSubscribe.setSubscribeChannel(parameter)
+                        _buttonSubscriptionSettings.visibility =
+                            if (_buttonSubscribe.isSubscribed) View.VISIBLE else View.GONE
+
+                        _url = parameter
+
+                        val parsed = Uri.parse(parameter);
+                        val idLong = parsed.lastPathSegment?.toLongOrNull();
+                        if(idLong != null) {
+                            val artist = StateLibrary.instance.getArtist(idLong) ?: return;
+                            showArtist(artist);
+                        }
+                    }
+
+                    is Artist -> {
+                        showArtist(parameter)
+                        _url = parameter.contentUrl
+                    }
+                }
+            }
+        }
+
+        private fun selectTab(selectedTabIndex: Int) {
+            _selectedTabIndex = selectedTabIndex
+            _tabs.selectTab(_tabs.getTabAt(selectedTabIndex))
+        }
+
+        private fun setLoading(isLoading: Boolean) {
+            if (_isLoading == isLoading) {
+                return
+            }
+
+            _isLoading = isLoading
+            if (isLoading) {
+                _overlayLoading.visibility = View.VISIBLE
+                (_overlayLoadingSpinner.drawable as Animatable?)?.start()
+            } else {
+                (_overlayLoadingSpinner.drawable as Animatable?)?.stop()
+                _overlayLoading.visibility = View.GONE
+            }
+        }
+
+        fun onBackPressed(): Boolean {
+            if (_slideUpOverlay != null) {
+                hideSlideUpOverlay()
+                return true
+            }
+
+            return false
+        }
+
+        private fun hideSlideUpOverlay() {
+            _slideUpOverlay?.hide(false)
+            _slideUpOverlay = null
+        }
+
+        private fun showArtist(channel: Artist) {
+            setLoading(false)
+
+            _fragment.topBar?.onShown(channel)
+
+            val buttons = arrayListOf<Pair<Int, ()->Unit>>();
+
+            _fragment.lifecycleScope.launch(Dispatchers.IO) {
+                val plugin = StatePlatform.instance.getChannelClientOrNull(channel.contentUrl ?: return@launch)
+                withContext(Dispatchers.Main) {
+                    buttons.add(Pair(R.drawable.ic_search) {
+                        _fragment.navigate<SuggestionsFragment>(
+                            SuggestionsFragmentData(
+                                "", SearchType.VIDEO
+                            )
+                        )
+                    })
+                    _fragment.topBar?.assume<NavigationTopBarFragment>()?.setMenuItems(buttons)
+                }
+            }
+
+            _buttonSubscribe.visibility = GONE;
+            _buttonSubscriptionSettings.visibility = View.GONE
+            _textChannel.text = channel.name
+            _textChannelSub.text = "${channel.countTracks} songs, ${channel.countAlbums} albums";
+
+            var supportsPlaylists = false;
+            val playlistPosition = 1
+            // keep the current tab selected
+            if (_viewPager.currentItem >= playlistPosition) {
+                _viewPager.setCurrentItem(_viewPager.currentItem + 1, false)
+            }
+            (_viewPager.adapter as ArtistViewPagerAdapter).insert(
+                playlistPosition,
+                ArtistTab.ALBUMS
+            )
+
+            // sets the channel for each tab
+            for (fragment in _fragment.childFragmentManager.fragments) {
+                (fragment as IArtistTabFragment).setArtist(channel)
+            }
+
+            (_viewPager.adapter as ArtistViewPagerAdapter).artist = channel
+
+
+            _viewPager.adapter!!.notifyDataSetChanged();
+
+            val artistThumbnail = channel.getThumbnailOrAlbum();
+            if(artistThumbnail != null) {
+                _creatorThumbnail.isVisible = true;
+                _creatorThumbnail.setThumbnail(channel.getThumbnailOrAlbum(), true, true);
+                Glide.with(_imageBanner)
+                    .load(artistThumbnail)
+                    .into(_imageBanner);
+            }
+            else {
+                _creatorThumbnail.isVisible = false;
+                Glide.with(_imageBanner).clear(_imageBanner);
+            }
+
+
+            this.channel = channel
+        }
+
+
+        companion object {
+            private const val TAG = "LibraryArtistFragmentsView";
+        }
+    }
+    enum class ArtistTab {
+        SONGS, ALBUMS
+    }
+
+    class ArtistViewPagerAdapter(private val fragment: LibraryArtistFragment, fragmentManager: FragmentManager, lifecycle: Lifecycle) :
+        FragmentStateAdapter(fragmentManager, lifecycle) {
+        private val _supportedFragments = mutableMapOf(
+            ArtistTab.SONGS.ordinal to ArtistTab.SONGS
+        )
+        private val _tabs = arrayListOf(ArtistTab.SONGS, ArtistTab.ALBUMS)
+
+        var artist: Artist? = null
+
+        val onContentUrlClicked = Event2<String, ContentType>()
+        val onUrlClicked = Event1<String>()
+        val onContentClicked = Event2<IPlatformContent, Long>()
+        val onShortClicked = Event3<IPlatformContent, Long, Pair<IPager<IPlatformContent>, ArrayList<IPlatformContent>>?>()
+        val onChannelClicked = Event1<PlatformAuthorLink>()
+        val onAddToClicked = Event1<IPlatformContent>()
+        val onAddToQueueClicked = Event1<IPlatformContent>()
+        val onAddToWatchLaterClicked = Event1<IPlatformContent>()
+        val onLongPress = Event1<IPlatformContent>()
+
+        override fun getItemId(position: Int): Long {
+            return _tabs[position].ordinal.toLong()
+        }
+
+        override fun containsItem(itemId: Long): Boolean {
+            return _supportedFragments.containsKey(itemId.toInt())
+        }
+
+        override fun getItemCount(): Int {
+            return _supportedFragments.size
+        }
+
+        fun getTabPosition(tab: ArtistTab): Int {
+            return _tabs.indexOf(tab)
+        }
+
+        fun getTabNames(tab: TabLayout.Tab, position: Int) {
+            tab.text = _tabs[position].name
+        }
+
+        fun insert(position: Int, tab: ArtistTab) {
+            _supportedFragments[tab.ordinal] = tab
+            _tabs.add(position, tab)
+            notifyItemInserted(position)
+        }
+
+        fun remove(position: Int) {
+            _supportedFragments.remove(_tabs[position].ordinal)
+            _tabs.removeAt(position)
+            notifyItemRemoved(position)
+        }
+
+        override fun createFragment(position: Int): Fragment {
+            val fragment: Fragment
+            when (_tabs[position]) {
+                ArtistTab.SONGS -> {
+                    fragment = ChannelContentsFragment(this.fragment).apply {
+
+                    }
+                }
+
+                ArtistTab.ALBUMS -> {
+                    fragment = ArtistAlbumsFragment(this.fragment).apply {
+
+                    }
+                }
+            }
+            artist?.let { (fragment as IArtistTabFragment).setArtist(it) }
+
+            return fragment
+        }
+    }
+
+    interface IArtistTabFragment {
+        fun setArtist(artist: Artist);
+    }
+
+    class ChannelContentsFragment(private val frag: LibraryArtistFragment) : Fragment(), IArtistTabFragment {
+
+        var view: ArtistContentView? = null;
+
+        private var _lastArtist: Artist? = null;
+
+        override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+            view = ArtistContentView(frag, inflater);
+            _lastArtist?.let {
+                view?.setArtist(it);
+            }
+            return view;
+        }
+
+        override fun onDestroyView() {
+            view = null;
+            super.onDestroyView()
+        }
+
+        override fun setArtist(artist: Artist) {
+            view?.setArtist(artist);
+            _lastArtist = artist;
+        }
+    }
+    class ArtistContentView : FeedView<LibraryArtistFragment, IPlatformContent, IPlatformVideo, IPager<IPlatformContent>, TrackViewHolder> {
+        override val feedStyle: FeedStyle = FeedStyle.THUMBNAIL; //R.layout.list_creator;
+
+        protected var _artist: Artist? = null;
+
+        constructor(fragment: LibraryArtistFragment, inflater: LayoutInflater) : super(fragment, inflater) {
+
+        }
+
+        fun setArtist(artist: Artist) {
+            this._artist = artist;
+            val tracks = artist.getAudioTracks();
+            if(tracks.getResults().isEmpty())
+                UIDialogs.appToast("No tracks found");
+            setPager(tracks);
+        }
+
+        override fun filterResults(results: List<IPlatformContent>): List<IPlatformVideo> {
+            return results.filter { it is IPlatformVideo }.map { it as IPlatformVideo };
+        }
+
+        override fun createAdapter(recyclerResults: RecyclerView, context: Context, dataset: ArrayList<IPlatformVideo>): InsertedViewAdapterWithLoader<TrackViewHolder> {
+            return InsertedViewAdapterWithLoader(context, arrayListOf(), arrayListOf(),
+                childCountGetter = { dataset.size },
+                childViewHolderBinder = { viewHolder, position -> viewHolder.bind(dataset[position]); },
+                childViewHolderFactory = { viewGroup, _ ->
+                    val holder = TrackViewHolder(viewGroup);
+                    holder.onClick.subscribe { c ->
+
+                        val playlist = _artist?.toPlaylist();
+                        if (playlist != null) {
+                            val sameVideo = playlist.videos.find { it.name == c.name };
+                            val index = sameVideo?.let {
+                                playlist.videos.indexOf(sameVideo)
+                            } ?: -1;
+                            if (index == -1)
+                                return@subscribe;
+
+                            StatePlayer.instance.setPlaylist(playlist, index, true);
+                        }
+                    };
+                    holder.onOptions.subscribe {
+                        if(it is IPlatformVideo)
+                            UISlideOverlays.showVideoOptionsOverlay(it, _overlayContainer);
+                    }
+                    return@InsertedViewAdapterWithLoader holder;
+                }
+            );
+        }
+
+        override fun createLayoutManager(recyclerResults: RecyclerView, context: Context): GridLayoutManager {
+            val glmResults = GridLayoutManager(context, 1)
+
+            _swipeRefresh.layoutParams = (_swipeRefresh.layoutParams as MarginLayoutParams?)?.apply {
+                rightMargin = TypedValue.applyDimension(
+                    TypedValue.COMPLEX_UNIT_DIP,
+                    8.0f,
+                    context.resources.displayMetrics
+                ).toInt()
+            }
+            return glmResults
+        }
+
+        override fun updateSpanCount(){ }
+
+
+        companion object {
+            private const val TAG = "LibraryAlbumsFragmentsView";
+        }
+    }
+    class ArtistAlbumsFragment(private val frag: LibraryArtistFragment) : Fragment(), IArtistTabFragment {
+
+        var view: ArtistAlbumsView? = null;
+
+        private var _lastArtist: Artist? = null;
+
+        override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+            view = ArtistAlbumsView(frag, inflater);
+            _lastArtist?.let {
+                view?.setArtist(it);
+            }
+            return view;
+        }
+
+        override fun onDestroyView() {
+            view = null;
+            super.onDestroyView()
+        }
+
+        override fun setArtist(artist: Artist) {
+            view?.setArtist(artist);
+            _lastArtist = artist;
+        }
+    }
+    class ArtistAlbumsView : FeedView<LibraryArtistFragment, Album, Album, IPager<Album>, AlbumTileViewHolder> {
+        override val feedStyle: FeedStyle = FeedStyle.THUMBNAIL; //R.layout.list_creator;
+
+        constructor(fragment: LibraryArtistFragment, inflater: LayoutInflater) : super(fragment, inflater)
+
+        fun onShown() {
+        }
+
+        fun setArtist(artist: Artist) {
+            val initialAlbums = artist.getAlbums();
+            Logger.i(TAG, "Initial album count: " + initialAlbums.size);
+
+            setPager(AdhocPager({ listOf() }, initialAlbums));
+        }
+
+        override fun createAdapter(recyclerResults: RecyclerView, context: Context, dataset: ArrayList<Album>): InsertedViewAdapterWithLoader<AlbumTileViewHolder> {
+            return InsertedViewAdapterWithLoader(context, arrayListOf(), arrayListOf(),
+                childCountGetter = { dataset.size },
+                childViewHolderBinder = { viewHolder, position -> viewHolder.bind(dataset[position]); },
+                childViewHolderFactory = { viewGroup, _ ->
+                    val holder = AlbumTileViewHolder(viewGroup);
+                    holder.setAutoSize(resources.displayMetrics.widthPixels / resources.displayMetrics.density)
+                    holder.onClick.subscribe { c -> fragment.navigate<LibraryAlbumFragment>(c) };
+                    return@InsertedViewAdapterWithLoader holder;
+                }
+            );
+        }
+
+        override fun updateSpanCount(){ }
+
+        override fun createLayoutManager(recyclerResults: RecyclerView, context: Context): GridLayoutManager {
+            val glmResults = GridLayoutManager(context, AlbumTileViewHolder.getAutoSizeColumns(resources.displayMetrics.widthPixels / resources.displayMetrics.density))
+
+            _swipeRefresh.layoutParams = (_swipeRefresh.layoutParams as MarginLayoutParams?)?.apply {
+                rightMargin = TypedValue.applyDimension(
+                    TypedValue.COMPLEX_UNIT_DIP,
+                    8.0f,
+                    context.resources.displayMetrics
+                ).toInt()
+            }
+
+            return glmResults
+        }
+
+        companion object {
+            private const val TAG = "LibraryAlbumsFragmentsView";
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/LibraryArtistsFragment.kt

@@ -0,0 +1,200 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.content.Context
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.EditText
+import android.widget.FrameLayout
+import android.widget.ImageButton
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.LinearLayout.GONE
+import android.widget.LinearLayout.VISIBLE
+import android.widget.Spinner
+import android.widget.TextView
+import androidx.core.widget.addTextChangedListener
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import com.futo.platformplayer.R
+import com.futo.platformplayer.UISlideOverlays
+import com.futo.platformplayer.api.media.models.PlatformAuthorLink
+import com.futo.platformplayer.api.media.models.playlists.IPlatformPlaylist
+import com.futo.platformplayer.api.media.structures.AdhocPager
+import com.futo.platformplayer.api.media.structures.IPager
+import com.futo.platformplayer.constructs.Event1
+import com.futo.platformplayer.images.GlideHelper.Companion.crossfade
+import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.states.Album
+import com.futo.platformplayer.states.Artist
+import com.futo.platformplayer.states.ArtistOrdering
+import com.futo.platformplayer.states.StateLibrary
+import com.futo.platformplayer.stores.FragmentedStorage
+import com.futo.platformplayer.stores.StringStorage
+import com.futo.platformplayer.views.FeedStyle
+import com.futo.platformplayer.views.LibraryTypeHeaderView
+import com.futo.platformplayer.views.adapters.AnyAdapter
+import com.futo.platformplayer.views.adapters.InsertedViewAdapterWithLoader
+import com.futo.platformplayer.views.adapters.SubscriptionAdapter
+import com.futo.platformplayer.views.adapters.viewholders.SelectablePlaylist
+import com.futo.platformplayer.views.others.CreatorThumbnail
+import com.futo.platformplayer.views.platform.PlatformIndicator
+
+class LibraryArtistsFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+    private var _textMeta: TextView? = null;
+
+    var view: FragView? = null;
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val view = FragView(this, inflater);
+        this.view = view;
+        return view;
+    }
+
+    override fun onShown(parameter: Any?, isBack: Boolean) {
+        super.onShown(parameter, isBack)
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown();
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = LibraryArtistsFragment().apply {}
+    }
+
+    class FragView : FeedView<LibraryArtistsFragment, Artist, Artist, IPager<Artist>, ArtistViewHolder> {
+        override val feedStyle: FeedStyle = FeedStyle.THUMBNAIL; //R.layout.list_creator;
+
+        val libraryTypeHeader: LibraryTypeHeaderView;
+
+        constructor(fragment: LibraryArtistsFragment, inflater: LayoutInflater) : super(fragment, inflater) {
+            libraryTypeHeader = LibraryTypeHeaderView(context);
+            libraryTypeHeader.setSelectedType(LibraryTypeHeaderView.SelectedType.Artists);
+            libraryTypeHeader.setMetadata("");
+
+            libraryTypeHeader.onSelectedChanged.subscribe {
+                when(it) {
+                    LibraryTypeHeaderView.SelectedType.Albums -> fragment.navigate<LibraryAlbumsFragment>();
+                    else -> {}
+                }
+            }
+
+            _toolbarContentView.addView(libraryTypeHeader);
+            disableRefreshLayout();
+        }
+
+        fun onShown() {
+            reload();
+        }
+
+
+        override fun reload() {
+            try {
+                setLoading(true);
+                val intialArtists = StateLibrary.instance.getArtists(ArtistOrdering.Alphabethic);
+                Logger.i(TAG, "Initial album count: " + intialArtists.size);
+
+                libraryTypeHeader.setMetadata("${intialArtists.size} artists");
+                setPager(AdhocPager<Artist>({ listOf(); }, intialArtists));
+            }
+            finally {
+                setLoading(false);
+            }
+        }
+
+        override fun createAdapter(recyclerResults: RecyclerView, context: Context, dataset: ArrayList<Artist>): InsertedViewAdapterWithLoader<ArtistViewHolder> {
+            return InsertedViewAdapterWithLoader(context, arrayListOf(), arrayListOf(),
+                childCountGetter = { dataset.size },
+                childViewHolderBinder = { viewHolder, position -> viewHolder.bind(dataset[position]); },
+                childViewHolderFactory = { viewGroup, _ ->
+                    val holder = ArtistViewHolder(viewGroup);
+                    holder.onClick.subscribe { c ->
+                        fragment.navigate<LibraryArtistFragment>(c)
+                    };
+                    return@InsertedViewAdapterWithLoader holder;
+                }
+            );
+        }
+
+        override fun updateSpanCount(){ }
+
+        override fun createLayoutManager(recyclerResults: RecyclerView, context: Context): GridLayoutManager {
+            val glmResults = GridLayoutManager(context, 1)
+
+            _swipeRefresh.layoutParams = (_swipeRefresh.layoutParams as MarginLayoutParams?)?.apply {
+                rightMargin = TypedValue.applyDimension(
+                    TypedValue.COMPLEX_UNIT_DIP,
+                    8.0f,
+                    context.resources.displayMetrics
+                ).toInt()
+            }
+            return glmResults
+        }
+
+        companion object {
+            private const val TAG = "LibraryArtistsFragmentsView";
+        }
+    }
+
+    class ArtistViewHolder(private val _viewGroup: ViewGroup) : AnyAdapter.AnyViewHolder<Artist>(
+        LayoutInflater.from(_viewGroup.context).inflate(R.layout.list_artist,
+            _viewGroup, false)) {
+
+        val onClick = Event1<Artist>();
+
+        protected var _artist: Artist? = null;
+        //protected val _imageThumbnail: ImageView
+        protected val _textName: TextView
+        protected val _textMetadata: TextView
+
+        init {
+            //_imageThumbnail = _view.findViewById(R.id.image_thumbnail);
+            _textName = _view.findViewById(R.id.text_name);
+            _textMetadata = _view.findViewById(R.id.text_metadata);
+
+            _view.setOnClickListener { _artist?.let { onClick.emit(it) } };
+        }
+
+        override fun bind(artist: Artist) {
+            _artist = artist;
+            /*
+            _imageThumbnail?.let {
+                if (artist.thumbnail != null)
+                    Glide.with(it)
+                        .load(artist.thumbnail)
+                        .placeholder(R.drawable.placeholder_channel_thumbnail)
+                        .into(it)
+                else
+                    Glide.with(it).load(R.drawable.placeholder_channel_thumbnail).into(it);
+            };
+            */
+
+            _textName.text = artist.name;
+
+            val metaComps = listOf(
+                artist.countTracks?.let { "${it} tracks" },
+                artist.countAlbums?.let { "${it} albums" }
+            ).filterNotNull();
+
+            _textMetadata.text = metaComps.joinToString(", ");
+        }
+
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/LibraryFilesFragment.kt

@@ -0,0 +1,264 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.content.Context
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageButton
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.TextView
+import androidx.core.net.toUri
+import androidx.core.view.isVisible
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import com.futo.platformplayer.R
+import com.futo.platformplayer.api.media.models.video.LocalVideoDetails
+import com.futo.platformplayer.api.media.models.video.SerializedPlatformVideo
+import com.futo.platformplayer.api.media.structures.AdhocPager
+import com.futo.platformplayer.api.media.structures.EmptyPager
+import com.futo.platformplayer.api.media.structures.IPager
+import com.futo.platformplayer.constructs.Event1
+import com.futo.platformplayer.fragment.mainactivity.topbar.FilesTopBarFragment
+import com.futo.platformplayer.models.Playlist
+import com.futo.platformplayer.states.FileEntry
+import com.futo.platformplayer.states.StateLibrary
+import com.futo.platformplayer.states.StatePlayer
+import com.futo.platformplayer.views.FeedStyle
+import com.futo.platformplayer.views.NoResultsView
+import com.futo.platformplayer.views.adapters.AnyAdapter
+import com.futo.platformplayer.views.adapters.InsertedViewAdapterWithLoader
+import com.futo.platformplayer.views.adapters.viewholders.FileViewHolder
+import com.futo.platformplayer.views.buttons.BigButton
+import com.futo.platformplayer.views.buttons.ButtonsContainer
+
+class LibraryFilesFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+
+    var view: FragView? = null;
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val view = FragView(this, inflater);
+        this.view = view;
+        return view;
+    }
+
+    override fun onShown(parameter: Any?, isBack: Boolean) {
+        super.onShown(parameter, isBack)
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown(parameter);
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = LibraryFilesFragment().apply {}
+    }
+
+    class FragView : FeedView<LibraryFilesFragment, FileEntry, FileEntry, IPager<FileEntry>, FileViewHolder> {
+        override val feedStyle: FeedStyle = FeedStyle.THUMBNAIL; //R.layout.list_creator;
+
+        val navStack = mutableListOf<FileStack>()
+        var buttonUp: BigButton? = null;
+        var buttonAdd: BigButton? = null;
+
+        private var root: FileEntry? = null;
+
+        constructor(fragment: LibraryFilesFragment, inflater: LayoutInflater) : super(fragment, inflater) {
+            disableRefreshLayout();
+        }
+
+        fun onShown(parameter: Any? = null) {
+            this.root = if(parameter is FileEntry) parameter else null;
+            loadTop();
+        }
+        fun loadTop() {
+            var initialDirectories = listOf<FileEntry>();
+            var path = "";
+            if(root == null) {
+                initialDirectories = StateLibrary.instance.getFileDirectories();
+                if (initialDirectories.size == 0) {
+                    setEmptyPager(true);
+                    setPager(EmptyPager());
+                    buttonAdd?.let {
+                        it.isVisible = false;
+                    }
+                    buttonUp?.let {
+                        it.isVisible = false;
+                    }
+                    return;
+                } else
+                    setEmptyPager(false);
+            }
+            else {
+                buttonAdd?.let {
+                    it.isVisible = false;
+                }
+                buttonUp?.let {
+                    it.isVisible = false;
+                }
+                initialDirectories = root?.getSubFiles() ?: listOf();
+                path = root?.path ?: "";
+            }
+            navStack.clear();
+            val entry = FileStack(path, initialDirectories);
+            navStack.add(entry);
+            openDirectory(navStack.last());
+            fragment.topBar?.let {
+                if(it is FilesTopBarFragment) {
+                    it.setUpNavigate(null);
+                    it.setTitle(entry);
+                }
+            }
+        }
+        fun leaveDirectory() {
+            if (navStack.size > 1) {
+                navStack.removeAt(navStack.size - 1)
+                openDirectory(navStack.last())
+            }
+        }
+        fun openDirectory(stack: FileStack, addToStack: Boolean = false) {
+            if(addToStack)
+                navStack.add(stack);
+
+            fragment.topBar?.let {
+                if(it is FilesTopBarFragment) {
+                    it.setTitle(stack);
+                }
+            }
+
+            buttonAdd?.let {
+                it.isVisible = navStack.size < 2
+            }
+            buttonUp?.let {
+                it.isVisible = navStack.size > 1;
+            }
+            setPager(AdhocPager<FileEntry>({ listOf(); }, stack.files));
+            setLoading(false);
+
+            val allSongs = stack.files.filter { !it.isDirectory };
+            if(allSongs.any()) {
+                _bottomContentView.addView(ButtonsContainer(context,
+                    listOf(
+                        ButtonsContainer.Button("Play All", R.drawable.background_button_primary) {
+                            StatePlayer.instance.setPlaylist(Playlist(stack.path.toUri().lastPathSegment ?: "", allSongs.map {
+                                SerializedPlatformVideo.fromVideo(LocalVideoDetails.fromContent(it.path))
+                            }), focus = true, shuffle = false)
+                        },
+                        ButtonsContainer.Button("Shuffle", R.drawable.background_button_accent) {
+                            StatePlayer.instance.setPlaylist(Playlist(stack.path.toUri().lastPathSegment ?: "", allSongs.map {
+                                SerializedPlatformVideo.fromVideo(LocalVideoDetails.fromContent(it.path))
+                            }), focus = true, shuffle = true)
+                        }
+                    )).apply {
+                        this.layoutParams = LinearLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT)
+                })
+            }
+            else
+                _bottomContentView.removeAllViews();
+
+            fragment.topBar?.let {
+                if(it is FilesTopBarFragment) {
+                    if(navStack.size > 1)
+                        it.setUpNavigate{
+                          leaveDirectory();
+                        };
+                    else it.setUpNavigate(null);
+                    it.setTitle(stack);
+                }
+            }
+        }
+
+        fun setBack() {
+            fragment.topBar?.view
+        }
+
+        override fun getEmptyPagerView(): View? {
+            return NoResultsView(context, "No Directories Added",
+                "To see files in Grayjay you have to add directories to view",
+                R.drawable.ic_library, listOf(
+                    BigButton(context, "Add Directory", "Select a directory to add", R.drawable.ic_add, {
+                        StateLibrary.instance.addFileDirectory({
+                            loadTop();
+                        }, true);
+                    })
+                ))
+        }
+
+        override fun createAdapter(recyclerResults: RecyclerView, context: Context, dataset: ArrayList<FileEntry>): InsertedViewAdapterWithLoader<FileViewHolder> {
+            /*
+            val buttonUp = BigButton(fragment.requireContext(), "Go up", "Go up a directory", R.drawable.ic_move_up) {
+                if(navStack.size > 1)
+                    leaveDirectory();
+            }
+            val buttonAdd = BigButton(fragment.requireContext(), "Add Directory", "Select a directory to add", R.drawable.ic_add) {
+                StateLibrary.instance.addFileDirectory {
+                    loadTop();
+                };
+            }
+            */
+            //this.buttonUp = buttonUp;
+            //this.buttonAdd = buttonAdd;
+            return InsertedViewAdapterWithLoader(context, arrayListOf(), arrayListOf(),
+                childCountGetter = { dataset.size },
+                childViewHolderBinder = { viewHolder, position -> viewHolder.bind(dataset[position]); },
+                childViewHolderFactory = { viewGroup, _ ->
+                    val holder = FileViewHolder(viewGroup);
+                    holder.onClick.subscribe { c ->
+                        if (c != null) {
+                            if(c.isDirectory) {
+                                openDirectory(FileStack(c.path, c.getSubFiles()), true);
+                            } else {
+                                fragment.navigate<VideoDetailFragment>(c.path)
+                            }
+                        }
+                    };
+                    holder.onDelete.subscribe { c ->
+                        if(c != null) {
+                            StateLibrary.instance.deleteFileDirectory(c.path);
+                            loadTop();
+                        }
+                    }
+                    return@InsertedViewAdapterWithLoader holder;
+                }
+            );
+        }
+
+        override fun updateSpanCount(){ }
+
+        override fun createLayoutManager(recyclerResults: RecyclerView, context: Context): GridLayoutManager {
+            val glmResults = GridLayoutManager(context, 1)
+
+            _swipeRefresh.layoutParams = (_swipeRefresh.layoutParams as MarginLayoutParams?)?.apply {
+                rightMargin = TypedValue.applyDimension(
+                    TypedValue.COMPLEX_UNIT_DIP,
+                    8.0f,
+                    context.resources.displayMetrics
+                ).toInt()
+            }
+
+            return glmResults
+        }
+
+        companion object {
+            private const val TAG = "LibraryAlbumsFragmentsView";
+        }
+    }
+    class FileStack(
+        val path: String,
+        val files: List<FileEntry>
+    )
+
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/LibraryFragment.kt

@@ -0,0 +1,393 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.os.Build
+import android.os.Bundle
+import android.provider.MediaStore
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.LinearLayout
+import android.widget.TextView
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.collection.emptyLongSet
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
+import androidx.core.view.isVisible
+import androidx.core.view.updateLayoutParams
+import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.RecyclerView
+import com.futo.platformplayer.R
+import com.futo.platformplayer.UIDialogs
+import com.futo.platformplayer.activities.MainActivity
+import com.futo.platformplayer.api.media.models.contents.IPlatformContent
+import com.futo.platformplayer.api.media.models.video.IPlatformVideo
+import com.futo.platformplayer.dp
+import com.futo.platformplayer.states.Album
+import com.futo.platformplayer.states.Artist
+import com.futo.platformplayer.states.ArtistOrdering
+import com.futo.platformplayer.states.FileEntry
+import com.futo.platformplayer.states.StateApp
+import com.futo.platformplayer.states.StateLibrary
+import com.futo.platformplayer.views.AnyAdapterView.Companion.asAny
+import com.futo.platformplayer.views.AnyInsertedAdapterView
+import com.futo.platformplayer.views.AnyInsertedAdapterView.Companion.asAnyWithTop
+import com.futo.platformplayer.views.AnyInsertedAdapterView.Companion.asAnyWithViews
+import com.futo.platformplayer.views.LibrarySection
+import com.futo.platformplayer.views.NoResultsView
+import com.futo.platformplayer.views.adapters.AnyAdapter
+import com.futo.platformplayer.views.adapters.InsertedViewAdapter
+import com.futo.platformplayer.views.adapters.viewholders.AlbumTileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.ArtistTileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.FileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.LocalVideoTileViewHolder
+import com.futo.platformplayer.views.buttons.BigButton
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import okhttp3.Dispatcher
+
+
+class LibraryFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+    private var view: FragView? = null;
+
+    private var allowedMusic = false;
+    private var allowedVideo = false;
+
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): android.view.View {
+        val newView = FragView(this, allowedMusic, allowedVideo);
+        view = newView;
+        return newView;
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown();
+
+        requestPermissionMusic();
+        requestPermissionVideo();
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    fun setPermissionResultAudio(access: Boolean) {
+        allowedMusic = access;
+        view?.setMusicPermissions(access);
+        StateApp.instance.hasMediaStoreAudioPermission = (access);
+    }
+    fun setPermissionResultVideo(access: Boolean) {
+        allowedVideo = access;
+        view?.setVideoPermissions(access);
+        StateApp.instance.hasMediaStoreVideoPermission = (access);
+    }
+
+    fun requestPermissionMusic() {
+        when {
+            ContextCompat.checkSelfPermission(requireContext(), android.Manifest.permission.READ_MEDIA_AUDIO) == PackageManager.PERMISSION_GRANTED -> {
+                setPermissionResultAudio(true);
+            }
+            ActivityCompat.shouldShowRequestPermissionRationale(requireActivity(), android.Manifest.permission.READ_MEDIA_AUDIO) -> {
+                UIDialogs.showDialog(requireContext(), R.drawable.ic_library,
+                    "Music permissions", "We require permissions to see your on-device music, denying this will hide the option to see local music.", null, 1,
+                    UIDialogs.Action("Ok", {
+                        StateApp?.instance?.activity?.requestPermissionAudio {
+                            setPermissionResultAudio(it);
+                        }
+                    }, UIDialogs.ActionStyle.PRIMARY),
+                    UIDialogs.Action("Cancel", {
+
+                    }, UIDialogs.ActionStyle.NONE));
+            }
+            else -> {
+                StateApp?.instance?.activity?.requestPermissionAudio {
+                    setPermissionResultAudio(it);
+                }
+            }
+        }
+    }
+    fun requestPermissionVideo() {
+        when {
+            ContextCompat.checkSelfPermission(requireContext(), android.Manifest.permission.READ_MEDIA_VIDEO) == PackageManager.PERMISSION_GRANTED -> {
+                setPermissionResultVideo(true);
+            }
+            ActivityCompat.shouldShowRequestPermissionRationale(requireActivity(), android.Manifest.permission.READ_MEDIA_VIDEO) -> {
+                UIDialogs.showDialog(requireContext(), R.drawable.ic_library, false,
+                    "Videos permissions", "We require permissions to see your on-device videos, denying this will hide the option to see local videos.", null, 1,
+                    UIDialogs.Action("Ok", {
+                        StateApp?.instance?.activity?.requestPermissionVideo {
+                            setPermissionResultVideo(it);
+                        }
+                    }, UIDialogs.ActionStyle.PRIMARY),
+                    UIDialogs.Action("Cancel", {
+
+                    }, UIDialogs.ActionStyle.NONE));
+            }
+            else -> {
+                StateApp?.instance?.activity?.requestPermissionVideo {
+                    setPermissionResultVideo(it);
+                }
+            }
+        }
+    }
+
+
+    companion object {
+        fun newInstance() = LibraryFragment().apply {}
+    }
+
+
+    class FragView: ConstraintLayout {
+        val fragment: LibraryFragment;
+
+        var sectionArtists: LibrarySection;
+        var sectionAlbums: LibrarySection;
+        var sectionVideos: LibrarySection;
+        var sectionFiles: LibrarySection;
+        var noContent: NoResultsView;
+        //var buttonFiles: BigButton;
+
+        val recycler: RecyclerView;
+
+        var adapterFiles: AnyInsertedAdapterView<FileEntry, FileViewHolder>? = null;
+
+        //var metaInfo: TextView;
+
+        var allowMusic: Boolean = false;
+        var allowVideo: Boolean = false;
+
+        constructor(fragment: LibraryFragment, allowMusic: Boolean?, allowVideo: Boolean?) : super(fragment.requireContext()) {
+            inflate(context, R.layout.fragview_library, this);
+            this.fragment = fragment;
+            recycler = findViewById(R.id.recycler);
+            sectionArtists = LibrarySection(context)//findViewById<LibrarySection>(R.id.section_artists);
+            sectionArtists.layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 140.dp(resources)).apply {
+                this.setMargins(0,10.dp(resources), 0, 0);
+            }
+            sectionAlbums = LibrarySection(context)//findViewById(R.id.section_albums);
+            sectionAlbums.layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 185.dp(resources)).apply {
+                this.setMargins(0,0, 0, 0);
+            }
+            sectionVideos = LibrarySection(context)//findViewById(R.id.section_videos);
+            sectionVideos.layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 170.dp(resources)).apply {
+                this.setMargins(0,0, 0, 0);
+            }
+            sectionFiles = LibrarySection(context)//findViewById(R.id.section_videos);
+            sectionFiles.layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 40.dp(resources)).apply {
+                this.setMargins(0,0, 0, 0);
+            }
+            sectionFiles.setSection("Directories") {
+                StateLibrary.instance.addFileDirectory({
+                    reloadFiles();
+                }, true)
+            }
+            sectionFiles.setNavIcon(R.drawable.ic_add);
+            //buttonFiles = findViewById<BigButton>(R.id.button_files);
+            //metaInfo = findViewById(R.id.meta_info);
+
+            noContent = NoResultsView(context, "No directories", "No directories have been added.\nAdd them using the (+) icon.", -1, listOf());
+            noContent.isVisible = false;
+
+            this.allowMusic = allowMusic ?: false;
+            this.allowVideo = allowVideo ?: false;
+
+            sectionArtists.setSection("Artists", {
+                if(this.allowMusic)
+                    fragment.navigate<LibraryArtistsFragment>();
+                else
+                    fragment.requestPermissionMusic();
+            });
+
+            sectionAlbums.setSection("Albums", {
+                if(this.allowMusic)
+                    fragment.navigate<LibraryAlbumsFragment>();
+                else
+                    fragment.requestPermissionMusic();
+            });
+
+
+            sectionVideos.setSection("Videos", {
+                if(this.allowVideo)
+                    fragment.navigate<LibraryVideosFragment>();
+                else
+                    fragment.requestPermissionVideo();
+            });
+
+            reloadLibraryUI();
+
+
+            /*
+            buttonFiles.onClick.subscribe {
+                fragment.navigate<LibraryFilesFragment>()
+            } */
+            //buttonFiles.setButtonEnabled(false);
+            setMusicPermissions(allowMusic ?: false);
+            setVideoPermissions(allowVideo ?: false);
+        }
+
+        fun reloadFiles() {
+            val files = StateLibrary.instance.getFileDirectories();
+            adapterFiles?.setData(files);
+            if(files.size == 0) {
+                noContent.isVisible = true;
+            }
+            else
+                noContent.isVisible = false;
+        }
+
+        fun reloadLibraryUI() {
+
+            val adapterAlbums = sectionAlbums.getAnyAdapter<Album, AlbumTileViewHolder>({
+                it.onClick.subscribe {
+                    if(it != null)
+                        fragment.navigate<LibraryAlbumFragment>(it);
+                }
+            });
+            val adapterArtists = sectionArtists.getAnyAdapter<Artist, ArtistTileViewHolder>({
+                it.onClick.subscribe {
+                    if(it != null)
+                        fragment.navigate<LibraryArtistFragment>(it);
+                }
+            });
+            val adapterVideos = sectionVideos.getAnyAdapter<IPlatformVideo, LocalVideoTileViewHolder>({
+                it.onClick.subscribe {
+                    if(it != null)
+                        fragment.navigate<VideoDetailFragment>(it);
+                }
+            });
+
+            if(this.allowMusic) {
+                val artists = StateLibrary.instance.getArtists(ArtistOrdering.TrackCount);
+                adapterArtists.setData(artists);
+                if (artists.size == 0)
+                    sectionArtists.setEmpty(
+                        "No artists",
+                        "No artists were found on your device",
+                        -1
+                    );
+                else
+                    sectionArtists.clearEmpty();
+            }
+            else if(Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+                sectionAlbums.isVisible = false;
+            }
+            else {
+                sectionArtists.setEmpty(
+                    "No Music Permissions",
+                    "You have not granted music access permissions to Grayjay",
+                    -1
+                );
+            }
+
+            if(this.allowMusic) {
+                val albums = StateLibrary.instance.getAlbums();
+                adapterAlbums.setData(albums);
+                if (albums.size == 0)
+                    sectionAlbums.setEmpty("No albums", "No albums were found on your device", -1);
+                else
+                    sectionAlbums.clearEmpty();
+            }
+            else if(Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+                sectionArtists.isVisible = false;
+            }
+            else {
+                sectionAlbums.setEmpty(
+                    "No Music Permissions",
+                    "You have not granted music access permissions to Grayjay",
+                    -1
+                );
+            }
+
+            if(this.allowVideo) {
+                val videos = StateLibrary.instance.getRecentVideos(null, 20);
+                adapterVideos.setData(videos);
+                if (videos.size == 0)
+                    sectionVideos.setEmpty("No videos", "No videos were found on your device", -1);
+                else
+                    sectionVideos.clearEmpty();
+            }
+            else if(Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+                sectionVideos.isVisible = false;
+            }
+            else {
+                sectionVideos.setEmpty(
+                    "No Video Permissions",
+                    "You have not granted video access permissions to Grayjay",
+                    -1
+                );
+            }
+
+            adapterFiles = recycler.asAnyWithViews<FileEntry, FileViewHolder>(
+                arrayListOf(
+                    sectionArtists,
+                    sectionAlbums,
+                    sectionVideos,
+                    sectionFiles,
+                    noContent
+                ),
+                arrayListOf(View(context).apply { this.layoutParams = LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, 20.dp(resources)) }),
+                RecyclerView.VERTICAL, false, {
+                    it.onClick.subscribe {
+                        if(it != null)
+                            fragment.navigate<LibraryFilesFragment>(it);
+                    }
+                    it.onDelete.subscribe {
+                        if(it != null) {
+                            StateLibrary.instance.deleteFileDirectory(it.path);
+                            reloadFiles();
+                        }
+                    }
+                }
+            );
+            reloadFiles();
+        }
+
+        fun setMusicPermissions(access: Boolean) {
+            allowMusic = access;
+            sectionAlbums.setContentEmptyMessage(R.drawable.ic_library, "No mediastore permissions");
+            sectionArtists.setContentEmptyMessage(R.drawable.ic_library, "No mediastore permissions");
+            //buttonArtists.setButtonEnabled(access);
+            //metaInfo.text = listOf(
+            //    if(!allowMusic) "You did not give access to local music, so these options are disabled" else null,
+            //    if(!allowVideo) "You did not give access to local videos, so these options are disabled" else null
+            //).filterNotNull().joinToString("\n");
+
+            fragment.lifecycleScope.launch(Dispatchers.Main) {
+                reloadLibraryUI();
+            }
+        }
+        fun setVideoPermissions(access: Boolean) {
+            allowVideo = access;
+            sectionVideos.setContentEmptyMessage(R.drawable.ic_library, "No video permissions");
+            //metaInfo.text = listOf(
+            //    if(!allowMusic) "You did not give access to local music, so these options are disabled" else null,
+            //    if(!allowVideo) "You did not give access to local videos, so these options are disabled" else null
+            //).filterNotNull().joinToString("\n");
+            // }
+
+            fragment.lifecycleScope.launch(Dispatchers.Main) {
+                reloadLibraryUI();
+            }
+        }
+
+        fun onShown() {
+            if(didShowAlpha)
+               return;
+            didShowAlpha = true;
+            UIDialogs.appToast("Library is in alpha\nImprovements are coming to local media playback.")
+        }
+        companion object {
+            var didShowAlpha: Boolean = false;
+        }
+    }
+
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/LibrarySearchFragment.kt

@@ -0,0 +1,233 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.content.Context
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.EditText
+import android.widget.FrameLayout
+import android.widget.ImageButton
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.LinearLayout.GONE
+import android.widget.LinearLayout.VISIBLE
+import android.widget.Spinner
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.widget.addTextChangedListener
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import com.futo.platformplayer.R
+import com.futo.platformplayer.UISlideOverlays
+import com.futo.platformplayer.api.media.models.PlatformAuthorLink
+import com.futo.platformplayer.api.media.models.contents.IPlatformContent
+import com.futo.platformplayer.api.media.models.playlists.IPlatformPlaylist
+import com.futo.platformplayer.api.media.models.video.IPlatformVideo
+import com.futo.platformplayer.api.media.structures.AdhocPager
+import com.futo.platformplayer.api.media.structures.IPager
+import com.futo.platformplayer.constructs.Event0
+import com.futo.platformplayer.constructs.Event1
+import com.futo.platformplayer.dp
+import com.futo.platformplayer.fragment.mainactivity.topbar.SearchTopBarFragment
+import com.futo.platformplayer.images.GlideHelper.Companion.crossfade
+import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.states.Album
+import com.futo.platformplayer.states.Artist
+import com.futo.platformplayer.states.ArtistOrdering
+import com.futo.platformplayer.states.FileEntry
+import com.futo.platformplayer.states.StateLibrary
+import com.futo.platformplayer.stores.FragmentedStorage
+import com.futo.platformplayer.stores.StringStorage
+import com.futo.platformplayer.views.AnyAdapterView
+import com.futo.platformplayer.views.AnyAdapterView.Companion.asAny
+import com.futo.platformplayer.views.AnyInsertedAdapterView
+import com.futo.platformplayer.views.AnyInsertedAdapterView.Companion.asAnyWithViews
+import com.futo.platformplayer.views.FeedStyle
+import com.futo.platformplayer.views.LibrarySection
+import com.futo.platformplayer.views.LibraryTypeHeaderView
+import com.futo.platformplayer.views.LibraryTypeHeaderView.SelectedType
+import com.futo.platformplayer.views.PillV2
+import com.futo.platformplayer.views.adapters.AnyAdapter
+import com.futo.platformplayer.views.adapters.InsertedViewAdapterWithLoader
+import com.futo.platformplayer.views.adapters.SubscriptionAdapter
+import com.futo.platformplayer.views.adapters.viewholders.AlbumTileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.ArtistTileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.FileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.LocalVideoTileViewHolder
+import com.futo.platformplayer.views.adapters.viewholders.SelectablePlaylist
+import com.futo.platformplayer.views.adapters.viewholders.TrackViewHolder
+import com.futo.platformplayer.views.others.CreatorThumbnail
+import com.futo.platformplayer.views.platform.PlatformIndicator
+
+class LibrarySearchFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+
+    var view: FragView? = null;
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val view = FragView(this);
+        this.view = view;
+        return view;
+    }
+
+    override fun onShown(parameter: Any?, isBack: Boolean) {
+        super.onShown(parameter, isBack)
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown();
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = LibrarySearchFragment().apply {}
+    }
+
+
+    class FragView: ConstraintLayout {
+        val fragment: LibrarySearchFragment;
+
+        val pillArtist: PillV2;
+        val pillAlbums: PillV2;
+        val pillSongs: PillV2;
+        val pills: List<PillV2>;
+
+        val textMetadata: TextView;
+
+        val recycler: RecyclerView;
+
+        val adapterArtists: AnyAdapterView<Artist, LibraryArtistsFragment.ArtistViewHolder>;
+        val adapterSongs: AnyAdapterView<IPlatformContent, TrackViewHolder>;
+        val adapterAlbums: AnyAdapterView<Album, LibraryAlbumsFragment.AlbumViewHolder>;
+
+
+
+        constructor(fragment: LibrarySearchFragment) : super(fragment.requireContext()) {
+            inflate(context, R.layout.fragview_library_search, this);
+            this.fragment = fragment;
+
+            pillArtist = findViewById(R.id.pill_artist);
+            pillAlbums = findViewById(R.id.pill_albums);
+            pillSongs = findViewById(R.id.pill_songs);
+            pills = listOf(pillArtist, pillAlbums, pillSongs);
+
+            textMetadata = findViewById(R.id.text_metadata);
+
+            pillArtist.onClick.subscribe {
+                pills.forEach { it.setIsEnabled(false) };
+                pillArtist.setIsEnabled(true);
+                loadArtists();
+            }
+            pillAlbums.onClick.subscribe {
+                pills.forEach { it.setIsEnabled(false) };
+                pillAlbums.setIsEnabled(true);
+                loadAlbums();
+            }
+            pillSongs.onClick.subscribe {
+                pills.forEach { it.setIsEnabled(false) };
+                pillSongs.setIsEnabled(true);
+                loadSongs();
+            }
+
+            recycler = findViewById(R.id.recycler);
+            adapterArtists = recycler.asAny<Artist, LibraryArtistsFragment.ArtistViewHolder>(RecyclerView.VERTICAL, false, {
+                it.onClick.subscribe {
+                    if(it != null)
+                        fragment.navigate<LibraryArtistFragment>(it);
+                }
+            });
+            adapterAlbums = recycler.asAny<Album, LibraryAlbumsFragment.AlbumViewHolder>(RecyclerView.VERTICAL, false, {
+                it.onClick.subscribe {
+                    if(it != null)
+                        fragment.navigate<LibraryAlbumFragment>(it);
+                }
+            });
+            adapterSongs = recycler.asAny<IPlatformContent, TrackViewHolder>(RecyclerView.VERTICAL, false, {
+                it.onClick.subscribe {
+                    if(it != null && it is IPlatformVideo)
+                        fragment.navigate<VideoDetailFragment>(it);
+                }
+            });
+
+            fragment.topBar?.let {
+                if(it is SearchTopBarFragment) {
+                    it.onSearch.subscribe {
+                        search(it);
+                    }
+                }
+            }
+
+            pillArtist.setIsEnabled(true);
+            loadArtists();
+        }
+
+        fun loadArtists(){
+            recycler.adapter = adapterArtists.adapter.adapter;
+            fragment.topBar?.let {
+                if(it is SearchTopBarFragment)
+                    search(it.getSearchText());
+            }
+        }
+        fun loadAlbums() {
+            recycler.adapter = adapterAlbums.adapter.adapter;
+            fragment.topBar?.let {
+                if(it is SearchTopBarFragment)
+                    search(it.getSearchText());
+            }
+        }
+        fun loadSongs() {
+            recycler.adapter = adapterSongs.adapter.adapter;
+            fragment.topBar?.let {
+                if(it is SearchTopBarFragment)
+                    search(it.getSearchText());
+            }
+        }
+
+        fun search(str: String) {
+            if(recycler.adapter == adapterArtists.adapter.adapter) {
+                val data = if(!str.isNullOrBlank())
+                    StateLibrary.instance.searchArtists(str)
+                else listOf();
+                adapterArtists.setData(data);
+                textMetadata.text = "${data.size} artists";
+            }
+            else if(recycler.adapter == adapterAlbums.adapter.adapter) {
+                val data = if(!str.isNullOrBlank())
+                    StateLibrary.instance.searchAlbums(str)
+                else listOf();
+                adapterAlbums.setData(data);
+                textMetadata.text = "${data.size} albums";
+            }
+            else if(recycler.adapter == adapterSongs.adapter.adapter) {
+                val data = if(!str.isNullOrBlank())
+                    StateLibrary.instance.searchTracks(str)
+                else listOf();
+
+                adapterSongs.setData(data);
+                textMetadata.text = "${data.size} songs";
+            }
+        }
+
+
+        fun onShown() {
+            fragment.topBar?.let {
+                if(it is SearchTopBarFragment)
+                    it.focus();
+            }
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/LibraryVideosFragment.kt

@@ -0,0 +1,169 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.content.Context
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.EditText
+import android.widget.FrameLayout
+import android.widget.ImageButton
+import android.widget.ImageView
+import android.widget.LinearLayout.GONE
+import android.widget.LinearLayout.VISIBLE
+import android.widget.Spinner
+import android.widget.TextView
+import androidx.core.view.allViews
+import androidx.core.widget.addTextChangedListener
+import androidx.recyclerview.widget.GridLayoutManager
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import com.futo.platformplayer.R
+import com.futo.platformplayer.Settings
+import com.futo.platformplayer.UIDialogs
+import com.futo.platformplayer.UISlideOverlays
+import com.futo.platformplayer.UISlideOverlays.Companion.showOrderOverlay
+import com.futo.platformplayer.api.media.models.PlatformAuthorLink
+import com.futo.platformplayer.api.media.models.playlists.IPlatformPlaylist
+import com.futo.platformplayer.api.media.models.video.IPlatformVideo
+import com.futo.platformplayer.api.media.platforms.js.JSClient
+import com.futo.platformplayer.api.media.structures.AdhocPager
+import com.futo.platformplayer.api.media.structures.IPager
+import com.futo.platformplayer.images.GlideHelper.Companion.crossfade
+import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.states.Album
+import com.futo.platformplayer.states.StateLibrary
+import com.futo.platformplayer.states.StatePlatform
+import com.futo.platformplayer.stores.FragmentedStorage
+import com.futo.platformplayer.stores.StringArrayStorage
+import com.futo.platformplayer.stores.StringStorage
+import com.futo.platformplayer.views.FeedStyle
+import com.futo.platformplayer.views.ToggleBar
+import com.futo.platformplayer.views.adapters.AnyAdapter
+import com.futo.platformplayer.views.adapters.InsertedViewAdapterWithLoader
+import com.futo.platformplayer.views.adapters.SubscriptionAdapter
+import com.futo.platformplayer.views.adapters.viewholders.SelectablePlaylist
+import com.futo.platformplayer.views.others.CreatorThumbnail
+import com.futo.platformplayer.views.platform.PlatformIndicator
+
+class LibraryVideosFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+    private var _toggleBuckets = StateLibrary.instance.getVideoBucketNames().map { it.name }.toMutableList();
+
+    var view: FragView? = null;
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val view = FragView(this, inflater);
+        this.view = view;
+        return view;
+    }
+
+    override fun onShown(parameter: Any?, isBack: Boolean) {
+        super.onShown(parameter, isBack)
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown();
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = LibraryVideosFragment().apply {}
+    }
+
+    class FragView : ContentFeedView<LibraryVideosFragment> {
+        override val feedStyle: FeedStyle = FeedStyle.THUMBNAIL; //R.layout.list_creator;
+
+        private var _toggleBar: ToggleBar? = null;
+
+        constructor(fragment: LibraryVideosFragment, inflater: LayoutInflater) : super(fragment, inflater) {
+            initializeToolbarContent();
+            disableRefreshLayout();
+        }
+
+        fun onShown() {
+            val initialAlbums = StateLibrary.instance.getAlbums();
+            Logger.i(TAG, "Initial album count: " + initialAlbums.size);
+            setPager(StateLibrary.instance.getVideos(fragment._toggleBuckets));
+        }
+
+
+        private val _filterLock = Object();
+        fun initializeToolbarContent() {
+            if(_toolbarContentView.allViews.any { it is ToggleBar })
+                _toolbarContentView.removeView(_toolbarContentView.allViews.find { it is ToggleBar });
+            _toggleBar = ToggleBar(context).apply {
+                layoutParams =
+                    LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
+            }
+
+            synchronized(_filterLock) {
+                var buttonsPlugins: List<ToggleBar.Toggle> = listOf()
+                buttonsPlugins =
+                    (StateLibrary.instance.getVideoBucketNames()
+                        .map { bucket ->
+                            ToggleBar.Toggle(bucket.name, null, fragment._toggleBuckets.contains(bucket.name), { view, active ->
+                                var dontSwap = false;
+                                if (!active) {
+                                    if (fragment._toggleBuckets.contains(bucket.name))
+                                        fragment._toggleBuckets.remove(bucket.name);
+                                } else {
+                                    if (!fragment._toggleBuckets.contains(bucket.name)) {
+                                        val enabledClients = StatePlatform.instance.getEnabledClients();
+                                        val availableAfterDisable = enabledClients.count { !fragment._toggleBuckets.contains(it.id) && it.id != bucket.name };
+                                        if(availableAfterDisable > 0)
+                                            fragment._toggleBuckets.add(bucket.name);
+                                        else {
+                                            UIDialogs.appToast("Select atleast 1 bucket");
+                                            dontSwap = true;
+                                        }
+                                    }
+                                }
+                                if(!dontSwap)
+                                    reloadForFilters();
+                                else {
+                                    view.setToggle(active);
+                                }
+                            }, { view, views, enabled ->
+                                val toDisable = views.filter { it != view && it.tag == "plugins" };
+                                if(!view.isActive)
+                                    view.handleClick();
+                                for(tag in toDisable) {
+                                    if(tag.isActive)
+                                        tag.handleClick();
+                                }
+                            }).withTag("plugins")
+                        })
+                val buttons = (buttonsPlugins)
+                    .sortedBy { it.name }.toTypedArray()
+
+                _toggleBar?.setToggles(*buttons);
+            }
+
+            _toolbarContentView.addView(_toggleBar, 0);
+        }
+
+        fun reloadForFilters() {
+            setPager(StateLibrary.instance.getVideos(fragment._toggleBuckets));
+        }
+
+        override fun updateSpanCount(){ }
+
+
+        companion object {
+            private const val TAG = "LibraryAlbumsFragmentsView";
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/LoginFragment.kt

@@ -0,0 +1,160 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.content.Context
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.webkit.CookieManager
+import android.webkit.WebView
+import android.widget.ImageButton
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.lifecycle.lifecycleScope
+import com.futo.platformplayer.R
+import com.futo.platformplayer.UIDialogs
+import com.futo.platformplayer.api.media.platforms.js.SourceAuth
+import com.futo.platformplayer.api.media.platforms.js.SourcePluginAuthConfig
+import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
+import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.others.LoginWebViewClient
+import com.futo.platformplayer.states.StateApp
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlin.text.matches
+
+
+class LoginFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+    private var view: FragView? = null;
+
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
+        val newView = FragView(this);
+        view = newView;
+        return newView;
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        view?.onShown(parameter ?: throw IllegalArgumentException("No parameter for login"));
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = LoginFragment().apply {}
+
+        private var _callback: ((SourceAuth?) -> Unit)? = null;
+        fun showLogin(config: SourcePluginConfig, callback: ((SourceAuth?) -> Unit)? = null) {
+            if(_callback != null) _callback?.invoke(null);
+            _callback = callback;
+            StateApp.instance.activity?.navigate<LoginFragment>(config, true);
+        }
+    }
+
+
+    class FragView: ConstraintLayout {
+        val fragment: LoginFragment;
+
+        private val _webView: WebView;
+        private val _textUrl: TextView;
+        private val _buttonClose: ImageButton;
+
+        constructor(fragment: LoginFragment) : super(fragment.requireContext()) {
+            inflate(context, R.layout.activity_login, this);
+            this.fragment = fragment;
+
+            _textUrl = findViewById(R.id.text_url);
+            _buttonClose = findViewById(R.id.button_close);
+            _buttonClose.setOnClickListener {
+                UIDialogs.toast("Login cancelled", false);
+                fragment.close(true);
+            }
+
+
+            _webView = findViewById(R.id.web_view);
+            _webView.settings.javaScriptEnabled = true;
+            CookieManager.getInstance().setAcceptCookie(true);
+        }
+
+        fun onShown(parameter: Any) {
+
+
+            val config = parameter as? SourcePluginConfig;
+
+            val authConfig = if(config != null)
+                config.authentication ?: throw IllegalStateException("Plugin has no authentication support");
+            else if(parameter is SourcePluginAuthConfig)
+                parameter
+            else throw IllegalStateException("No valid configuration?");
+            //TODO: Backwards compat removal?
+
+            _webView.settings.userAgentString = authConfig.userAgent ?: "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36";
+            _webView.settings.useWideViewPort = true;
+            _webView.settings.loadWithOverviewMode = true;
+
+            val webViewClient = if(config != null) LoginWebViewClient(config) else LoginWebViewClient(authConfig);
+
+            webViewClient.onLogin.subscribe { auth ->
+                _callback?.let {
+                    _callback = null;
+                    it.invoke(auth);
+                }
+                fragment.lifecycleScope.launch(Dispatchers.Main) {
+                    try {
+                        fragment.close(true);
+                    }catch (ex: Throwable) {
+                        Logger.e(TAG, "Failed to close login", ex);
+                    }
+                }
+            };
+            var isFirstLoad = true;
+            val loginWarnings = authConfig.loginWarnings?.toMutableList() ?: mutableListOf<SourcePluginAuthConfig.Warning>();
+            val uiMods = authConfig.uiMods?.toMutableList() ?: mutableListOf<SourcePluginAuthConfig.UIMod>();
+            var currentScale = 100;
+            var currentDesktop = false;
+            webViewClient.onPageLoaded.subscribe { view, url ->
+                _textUrl.setText(url ?: "");
+
+                if(loginWarnings.size > 0 && url != null) {
+                    synchronized(loginWarnings) {
+                        val warning = loginWarnings.find { url.matches(it.getRegex()) };
+                        if(warning != null) {
+                            if(warning.once == true)
+                                loginWarnings.remove(warning);
+                            UIDialogs.showDialog(context, R.drawable.ic_warning_yellow, warning.text ?: "", warning.details ?: "", null, 0,
+                                UIDialogs.Action("Understood", {
+                                }, UIDialogs.ActionStyle.PRIMARY));
+                        }
+                    }
+                }
+
+                if(!isFirstLoad)
+                    return@subscribe;
+                isFirstLoad = false;
+
+                if(!authConfig.loginButton.isNullOrEmpty() && authConfig.loginButton.matches(REGEX_LOGIN_BUTTON)) {
+                    Logger.i(TAG, "Clicking login button [${authConfig.loginButton}]");
+                    //TODO: Find most reliable way to wait for page js to finish
+                    view?.evaluateJavascript("setTimeout(()=> document.querySelector(\"${authConfig.loginButton}\")?.click(), 1000)", {});
+                }
+            }
+            _webView.settings.domStorageEnabled = true;
+
+            _webView.webViewClient = webViewClient;
+            _webView.loadUrl(authConfig.loginUrl);
+        }
+
+        companion object {
+            private val TAG = "LoginFragment";
+            private val REGEX_LOGIN_BUTTON = Regex("[a-zA-Z\\-\\.#:_ ]*");
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/RecyclerFragment.kt

@@ -0,0 +1,52 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.content.Context
+import android.os.Bundle
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.EditText
+import android.widget.FrameLayout
+import android.widget.ImageButton
+import android.widget.Spinner
+import android.widget.TextView
+import androidx.constraintlayout.widget.ConstraintLayout
+import com.futo.platformplayer.R
+import com.futo.platformplayer.stores.FragmentedStorage
+import com.futo.platformplayer.stores.StringStorage
+
+class RecyclerFragment : MainFragment(){
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+    private var view: View? = null;
+
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): android.view.View {
+        val newView = RecyclerFragment.View(inflater.context);
+        view = newView;
+        return newView;
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = RecyclerFragment().apply {}
+    }
+
+
+    class View: ConstraintLayout {
+        constructor(context: Context, attrs : AttributeSet? = null) : super(context, attrs) {
+            inflate(context, R.layout.fragview_filter_recycler, this);
+        }
+
+
+
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/RemotePlaylistFragment.kt

@@ -16,6 +16,7 @@ import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.bumptech.glide.Glide
+import com.bumptech.glide.load.resource.bitmap.DownsampleStrategy
 import com.futo.platformplayer.*
 import com.futo.platformplayer.api.media.models.playlists.IPlatformPlaylist
 import com.futo.platformplayer.api.media.models.playlists.IPlatformPlaylistDetails
@@ -363,6 +364,7 @@ class RemotePlaylistFragment : MainFragment() {
                 _imagePlaylistThumbnail.let {
                     Glide.with(it)
                         .load(video.thumbnails.getHQThumbnail())
+                        .withMaxSizePx()
                         .placeholder(R.drawable.placeholder_video_thumbnail)
                         .crossfade()
                         .into(it);

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/SettingsFragment.kt

@@ -0,0 +1,184 @@
+package com.futo.platformplayer.fragment.mainactivity.main
+
+import android.app.NotificationManager
+import android.content.Context
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.FrameLayout
+import android.widget.ImageButton
+import android.widget.LinearLayout
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.view.isVisible
+import androidx.lifecycle.lifecycleScope
+import com.futo.platformplayer.R
+import com.futo.platformplayer.Settings
+import com.futo.platformplayer.SettingsDev
+import com.futo.platformplayer.UIDialogs
+import com.futo.platformplayer.activities.MainActivity
+import com.futo.platformplayer.assume
+import com.futo.platformplayer.constructs.Event0
+import com.futo.platformplayer.logging.Logger
+import com.futo.platformplayer.states.StateApp
+import com.futo.platformplayer.views.LoaderView
+import com.futo.platformplayer.views.fields.FieldForm
+import com.futo.platformplayer.views.fields.ReadOnlyTextField
+import com.google.android.material.button.MaterialButton
+
+
+class SettingsFragment : MainFragment() {
+    override val isMainView : Boolean = true;
+    override val isTab: Boolean = true;
+    override val hasBottomBar: Boolean get() = true;
+
+    private var view: FragView? = null;
+
+    override fun onCreateMainView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): android.view.View {
+        val newView = FragView(this);
+        view = newView;
+        return newView;
+    }
+
+    override fun onShownWithView(parameter: Any?, isBack: Boolean) {
+        super.onShownWithView(parameter, isBack);
+        _currentView = view;
+        view?.onShown(parameter);
+    }
+
+    override fun onHide() {
+        super.onHide();
+        onClosed.emit();
+    }
+
+    override fun onDestroyMainView() {
+        view = null;
+        _currentView = null;
+        super.onDestroyMainView();
+    }
+
+    companion object {
+        fun newInstance() = SettingsFragment().apply {}
+
+        val onClosed = Event0();
+
+        private var _currentView: FragView? = null;
+        val currentView: FragView?
+            get() = _currentView;
+
+    }
+
+
+    class FragView: ConstraintLayout {
+        val fragment: SettingsFragment;
+
+        private val _form: FieldForm;
+        private val _buttonBack: ImageButton;
+        private val _loaderView: LoaderView;
+
+        private val _devSets: LinearLayout;
+        private val _buttonDev: MaterialButton;
+
+        private var _isFinished = false;
+
+        lateinit var overlay: FrameLayout;
+
+        val notifPermission = "android.permission.POST_NOTIFICATIONS";
+
+        constructor(fragment: SettingsFragment) : super(fragment.requireContext()) {
+            inflate(context, R.layout.activity_settings, this);
+            this.fragment = fragment;
+
+            val activity = fragment.activity;
+
+            findViewById<LinearLayout>(R.id.container_topbar).isVisible = false;
+            _form = findViewById(R.id.settings_form);
+            _buttonBack = findViewById(R.id.button_back);
+            _buttonDev = findViewById(R.id.button_dev);
+            _devSets = findViewById(R.id.dev_settings);
+            _loaderView = findViewById(R.id.loader);
+            overlay = findViewById(R.id.overlay_container);
+
+            _form.onChanged.subscribe { field, _ ->
+                Logger.i("SettingsActivity", "Setting [${field.field?.name}] changed, saving");
+                _form.setObjectValues();
+                Settings.instance.save();
+
+                if(field.descriptor?.id == "app_language") {
+                    Logger.i("SettingsActivity", "App language change detected, propogating to shared preferences");
+                    StateApp.instance.setLocaleSetting(context, Settings.instance.language.getAppLanguageLocaleString());
+                }
+
+                if(field.descriptor?.id == "background_update" && activity is MainActivity) {
+                    Logger.i("SettingsActivity", "Detected change in background work ${field.value}");
+                    if(Settings.instance.subscriptions.subscriptionsBackgroundUpdateInterval > 0) {
+                        val notifManager = context.getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager;
+                        if(!notifManager.areNotificationsEnabled()) {
+                            UIDialogs.toast(context, "Notifications aren't enabled");
+                            activity.requestNotificationPermissions("Notifications need to be enabled for background updating to function")
+                        }
+                    }
+                }
+            };
+            _buttonBack.setOnClickListener {
+                //finish();
+            }
+
+            _buttonDev.setOnClickListener {
+                //startActivity(Intent(this, DeveloperActivity::class.java));
+                fragment.navigate<DeveloperFragment>(null, true);
+            }
+
+            //_lastActivity = this;
+
+            reloadSettings();
+        }
+
+        var isFirstLoad = true;
+        fun reloadSettings() {
+            val firstLoad = isFirstLoad;
+            isFirstLoad = false;
+            _form.setSearchVisible(false);
+            _loaderView.start();
+            _form.fromObject(fragment.lifecycleScope, Settings.instance) {
+                _loaderView.stop();
+                _form.setSearchVisible(true);
+
+                var devCounter = 0;
+                _form.findField("code")?.assume<ReadOnlyTextField>()?.setOnClickListener {
+                    devCounter++;
+                    if(devCounter > 5) {
+                        devCounter = 0;
+                        SettingsDev.instance.developerMode = true;
+                        SettingsDev.instance.save();
+                        updateDevMode();
+                        UIDialogs.toast(context, fragment.getString(R.string.you_are_now_in_developer_mode));
+                    }
+                };
+
+                /*
+                if(firstLoad) {
+                    val query = intent.getStringExtra("query");
+                    if(!query.isNullOrEmpty()) {
+                        _form.setSearchQuery(query);
+                    }
+                }*/
+            };
+        }
+
+
+        fun onShown(str: Any? = null) {
+            updateDevMode();
+            if(str is String)
+                _form.setSearchQuery(str);
+        }
+
+        fun updateDevMode() {
+            if(SettingsDev.instance.developerMode)
+                _devSets.visibility = View.VISIBLE;
+            else
+                _devSets.visibility = View.GONE;
+        }
+
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/ShortView.kt

@@ -2,7 +2,9 @@ package com.futo.platformplayer.fragment.mainactivity.main
 
 import android.content.Context
 import android.content.Intent
+import android.graphics.Bitmap
 import android.graphics.drawable.Animatable
+import android.graphics.drawable.Drawable
 import android.util.AttributeSet
 import android.view.LayoutInflater
 import android.view.WindowManager
@@ -13,10 +15,15 @@ import android.widget.ImageView
 import android.widget.LinearLayout
 import android.widget.TextView
 import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.graphics.drawable.toDrawable
 import androidx.lifecycle.lifecycleScope
 import androidx.media3.common.C
 import androidx.media3.common.Format
 import androidx.media3.common.util.UnstableApi
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.resource.bitmap.DownsampleStrategy
+import com.bumptech.glide.request.target.CustomTarget
+import com.bumptech.glide.request.transition.Transition
 import com.futo.platformplayer.R
 import com.futo.platformplayer.Settings
 import com.futo.platformplayer.UIDialogs
@@ -71,6 +78,7 @@ import com.futo.platformplayer.views.video.FutoShortPlayer
 import com.futo.platformplayer.views.video.FutoVideoPlayerBase
 import com.futo.platformplayer.views.video.FutoVideoPlayerBase.Companion.PREFERED_AUDIO_CONTAINERS
 import com.futo.platformplayer.views.video.FutoVideoPlayerBase.Companion.PREFERED_VIDEO_CONTAINERS
+import com.futo.platformplayer.withMaxSizePx
 import com.futo.polycentric.core.ApiMethods
 import com.futo.polycentric.core.ContentType
 import com.futo.polycentric.core.Models
@@ -851,9 +859,8 @@ class ShortView : FrameLayout {
             }
 
             val thumbnail = videoDetails.thumbnails.getHQThumbnail()
-            /*
             if (videoSource == null && !thumbnail.isNullOrBlank()) Glide.with(context).asBitmap()
-                .load(thumbnail).into(object : CustomTarget<Bitmap>() {
+                .load(thumbnail).withMaxSizePx().into(object : CustomTarget<Bitmap>() {
                     override fun onResourceReady(resource: Bitmap, transition: Transition<in Bitmap>?) {
                         player.setArtwork(resource.toDrawable(resources))
                     }
@@ -863,7 +870,6 @@ class ShortView : FrameLayout {
                     }
                 })
             else player.setArtwork(null)
-            */
 
             fragment.lifecycleScope.launch(Dispatchers.Main) {
                 try {

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/SourceDetailFragment.kt

@@ -1,5 +1,8 @@
 package com.futo.platformplayer.fragment.mainactivity.main
 
+import android.content.ClipData
+import android.content.ClipboardManager
+import android.content.Context
 import android.content.Intent
 import android.graphics.drawable.Animatable
 import android.net.Uri
@@ -32,9 +35,11 @@ import com.futo.platformplayer.views.buttons.BigButton
 import com.futo.platformplayer.views.buttons.BigButtonGroup
 import com.futo.platformplayer.views.fields.FieldForm
 import com.futo.platformplayer.views.sources.SourceHeaderView
+import com.google.gson.Gson
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
+import kotlinx.serialization.json.Json
 
 class SourceDetailFragment : MainFragment() {
     override val isMainView : Boolean = true;
@@ -415,12 +420,40 @@ class SourceDetailFragment : MainFragment() {
             }
 
             val advancedButtons = BigButtonGroup(c, "Advanced",
+                BigButton(c, "Reset Settings", "Resets the settings to their default (deleting existing settings)", R.drawable.ic_refresh) {
+                        _config?.let {
+                            StatePlugins.instance.setPluginSettings(it.id, hashMapOf());
+                            loadConfig(it)
+                        }
+                    },
+                BigButton(c, "Share Settings", "Shares the settings of this plugin as json, mostly used for bug reporting", R.drawable.ic_code) {
+
+                    val structure = Json { this.prettyPrint = true; this.prettyPrintIndent = "   " }
+                        .encodeToString(_settings);
+                    fragment.startActivity(Intent.createChooser(Intent().apply {
+                        action = Intent.ACTION_SEND;
+                        putExtra(Intent.EXTRA_TEXT, structure);
+                        type = "text/plain";
+                    }, null));
+                    /*
+
+                    val clipboard = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
+                    val clip = ClipData.newPlainText("Settings Json", structure)
+                    clipboard.setPrimaryClip(clip)
+                    UIDialogs.toast(context, "Copied", false);
+                    */
+                }.apply {
+                    this.layoutParams = LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT).apply {
+                        setMargins(0, TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 5f, resources.displayMetrics).toInt(), 0, 0);
+                    };
+                } ,
+                /*
                 BigButton(c, "Edit Code", "Modify the source of this plugin", R.drawable.ic_code) {
 
                 }.apply {
                     this.alpha = 0.5f;
-                },
-                if(isEmbedded) BigButton(c, "Reinstall", "Modify the source of this plugin", R.drawable.ic_refresh) {
+                },*/
+                if(isEmbedded) BigButton(c, "Reinstall", "Reinstall the original version that was embedded with this version of Grayjay", R.drawable.ic_refresh) {
                     val embeddedConfig = StatePlugins.instance.getEmbeddedPluginConfigFromID(context, config.id);
 
                     UIDialogs.showDialog(context, R.drawable.ic_warning_yellow, "Are you sure you want to downgrade (${config.version}=>${embeddedConfig?.version})?",
@@ -434,7 +467,29 @@ class SourceDetailFragment : MainFragment() {
                     this.layoutParams = LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT).apply {
                         setMargins(0, TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 5f, resources.displayMetrics).toInt(), 0, 0);
                     };
-                } else null
+                } else
+                    BigButton(c, "Reinstall", "Reinstall the current version from the remote repository", R.drawable.ic_refresh) {
+                        var newConfig: SourcePluginConfig? = null;
+                        try {
+                            newConfig = StatePlugins.instance.requestConfig(config?.sourceUrl ?: throw IllegalArgumentException("No config"));
+                        }
+                        catch(ex: Throwable) {
+                            Logger.e(TAG, "Failed to fetch new plugin config", ex);
+                        }
+                        UIDialogs.showDialog(context, R.drawable.ic_warning_yellow, "Are you sure you want to downgrade (${config.version}=>)?",
+                            "This will revert the plugin back to the originally embedded version.\nVersion change: ${config.version}=>${newConfig?.version}", null,
+                            0, UIDialogs.Action("Cancel", {}), UIDialogs.Action("Reinstall", {
+                                val url = config.sourceUrl ?: return@Action;
+                                StatePlugins.instance.installPlugin(context, fragment.lifecycleScope, url) {
+                                    reloadSource(config.id);
+                                    UIDialogs.toast(context, "Plugin reinstalled, may require refresh");
+                                }
+                            }, UIDialogs.ActionStyle.DANGEROUS));
+                    }.apply {
+                        this.layoutParams = LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT).apply {
+                            setMargins(0, TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 5f, resources.displayMetrics).toInt(), 0, 0);
+                        };
+                    }
             )
 
             _sourceAdvancedButtons.removeAllViews();
@@ -453,7 +508,7 @@ class SourceDetailFragment : MainFragment() {
                     config.authentication.loginWarning, null, 0,
                     UIDialogs.Action("Cancel", {}, UIDialogs.ActionStyle.NONE),
                     UIDialogs.Action("Login", {
-                        LoginActivity.showLogin(StateApp.instance.context, config) {
+                        LoginFragment.showLogin(config) {//LoginActivity.showLogin(StateApp.instance.context, config) {
                             try {
                                 StatePlugins.instance.setPluginAuth(config.id, it);
                                 reloadSource(config.id);
@@ -467,7 +522,7 @@ class SourceDetailFragment : MainFragment() {
                     }, UIDialogs.ActionStyle.PRIMARY))
             }
             else
-                LoginActivity.showLogin(StateApp.instance.context, config) {
+                LoginFragment.showLogin(config) {//LoginActivity.showLogin(StateApp.instance.context, config) {
                     try {
                         StatePlugins.instance.setPluginAuth(config.id, it);
                         reloadSource(config.id);

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/VideoDetailFragment.kt

@@ -24,7 +24,6 @@ import androidx.media3.common.util.UnstableApi
 import com.futo.platformplayer.R
 import com.futo.platformplayer.Settings
 import com.futo.platformplayer.UIDialogs
-import com.futo.platformplayer.activities.SettingsActivity
 import com.futo.platformplayer.api.media.models.video.IPlatformVideo
 import com.futo.platformplayer.api.media.models.video.IPlatformVideoDetails
 import com.futo.platformplayer.casting.StateCasting
@@ -51,7 +50,7 @@ class VideoDetailFragment() : MainFragment() {
 
     private var _isActive: Boolean = false;
 
-    private var _viewDetail : VideoDetailView? = null;
+    var _viewDetail : VideoDetailView? = null;
     private var _view : SingleViewTouchableMotionLayout? = null;
 
     var isFullscreen : Boolean = false;
@@ -357,38 +356,46 @@ class VideoDetailFragment() : MainFragment() {
             override fun onTransitionChange(motionLayout: MotionLayout?, startId: Int, endId: Int, progress: Float) {
                 _viewDetail?.stopAllGestures()
 
-                if (state != State.MINIMIZED && progress < 0.1) {
-                    state = State.MINIMIZED;
-                    isMinimizingFromFullScreen = false
-                    onMinimize.emit();
-                }
-                else if (state != State.MAXIMIZED && progress > 0.9) {
-                    if (_isInitialMaximize) {
-                        state = State.CLOSED;
-                        _isInitialMaximize = false;
-                    }
-                    else {
-                        state = State.MAXIMIZED;
-                        onMaximized.emit();
-                    }
-                }
-
-                if (isTransitioning && (progress > 0.95 || progress < 0.05)) {
-                    isTransitioning = false;
-                    onTransitioning.emit(isTransitioning);
-
-                    if(isInPictureInPicture) leavePictureInPictureMode(false); //Workaround to prevent getting stuck in p2p
-                }
-                else if (!isTransitioning && (progress < 0.95 && progress > 0.05)) {
+                if (!isTransitioning && (progress < 0.9 && progress > 0.1)) {
                     isTransitioning = true;
                     onTransitioning.emit(isTransitioning);
 
                     if(isInPictureInPicture) leavePictureInPictureMode(false); //Workaround to prevent getting stuck in p2p
                 }
             }
-            override fun onTransitionCompleted(motionLayout: MotionLayout?, currentId: Int) { }
+            override fun onTransitionCompleted(motionLayout: MotionLayout?, currentId: Int) {
+                val progress = motionLayout?.progress ?: return;
+
+                if (state != State.MINIMIZED && progress < 0.1) {
+                    state = State.MINIMIZED;
+                    isMinimizingFromFullScreen = false
+                    onMinimize.emit();
+                }
+                else if (state != State.MAXIMIZED && progress > 0.9) {
+                    state = State.MAXIMIZED;
+                    onMaximized.emit();
+                    /*
+                    if (_isInitialMaximize) {
+                        //state = State.CLOSED; Causes issues? might no longer be needed
+                        _isInitialMaximize = false;
+                    }
+                    else {
+                        state = State.MAXIMIZED;
+                        onMaximized.emit();
+                    }
+                    */
+                }
+
+                if (isTransitioning && (progress > 0.6 || progress < 0.4)) {
+                    isTransitioning = false;
+                    onTransitioning.emit(isTransitioning);
+
+                    if(isInPictureInPicture) leavePictureInPictureMode(false); //Workaround to prevent getting stuck in p2p
+                }
+            }
             override fun onTransitionStarted(p0: MotionLayout?, p1: Int, p2: Int) { }
-            override fun onTransitionTrigger(p0: MotionLayout?, p1: Int, p2: Boolean, p3: Float) { }
+            override fun onTransitionTrigger(p0: MotionLayout?, p1: Int, p2: Boolean, p3: Float) {
+            }
         });
 
         _view?.let {
@@ -401,9 +408,10 @@ class VideoDetailFragment() : MainFragment() {
         _loadUrlOnCreate?.let { _viewDetail?.setVideo(it.url, it.timeSeconds, it.playWhenReady) };
         maximizeVideoDetail();
 
+        /*
         SettingsActivity.settingsActivityClosed.subscribe(this) {
             updateOrientation()
-        }
+        } */
 
         StatePlayer.instance.onRotationLockChanged.subscribe(this) {
             updateOrientation()
@@ -446,7 +454,8 @@ class VideoDetailFragment() : MainFragment() {
         if (viewDetail.shouldEnterPictureInPicture) {
             _leavingPiP = false
         }
-        if(Build.VERSION.SDK_INT < Build.VERSION_CODES.S && viewDetail.preventPictureInPicture == false && !StateCasting.instance.isCasting && Settings.instance.playback.isBackgroundPictureInPicture() && !viewDetail.isAudioOnlyUserAction) {
+        val shouldPiP = Settings.instance.playback.isBackgroundPictureInPicture()
+        if(Build.VERSION.SDK_INT < Build.VERSION_CODES.S && viewDetail.preventPictureInPicture == false && !StateCasting.instance.isCasting && shouldPiP && !viewDetail.isAudioOnlyUserAction) {
             val params = _viewDetail?.getPictureInPictureParams();
             if(params != null) {
                 Logger.i(TAG, "enterPictureInPictureMode")
@@ -547,7 +556,7 @@ class VideoDetailFragment() : MainFragment() {
         super.onDestroyMainView();
         Logger.v(TAG, "onDestroyMainView");
 
-        SettingsActivity.settingsActivityClosed.remove(this)
+        //SettingsActivity.settingsActivityClosed.remove(this)
         StatePlayer.instance.onRotationLockChanged.remove(this)
 
         _landscapeOrientationListener?.disableListener()

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/VideoDetailView.kt

@@ -42,6 +42,7 @@ import androidx.media3.datasource.HttpDataSource
 import androidx.media3.ui.PlayerControlView
 import androidx.media3.ui.TimeBar
 import com.bumptech.glide.Glide
+import com.bumptech.glide.load.resource.bitmap.DownsampleStrategy
 import com.bumptech.glide.request.target.CustomTarget
 import com.bumptech.glide.request.transition.Transition
 import com.futo.platformplayer.BuildConfig
@@ -55,6 +56,7 @@ import com.futo.platformplayer.api.media.LiveChatManager
 import com.futo.platformplayer.api.media.PlatformID
 import com.futo.platformplayer.api.media.exceptions.ContentNotAvailableYetException
 import com.futo.platformplayer.api.media.exceptions.NoPlatformClientException
+import com.futo.platformplayer.api.media.models.PlatformAuthorLink
 import com.futo.platformplayer.api.media.models.PlatformAuthorMembershipLink
 import com.futo.platformplayer.api.media.models.chapters.ChapterType
 import com.futo.platformplayer.api.media.models.chapters.IChapter
@@ -77,6 +79,7 @@ import com.futo.platformplayer.api.media.models.streams.sources.LocalVideoSource
 import com.futo.platformplayer.api.media.models.subtitles.ISubtitleSource
 import com.futo.platformplayer.api.media.models.video.IPlatformVideo
 import com.futo.platformplayer.api.media.models.video.IPlatformVideoDetails
+import com.futo.platformplayer.api.media.models.video.LocalVideoDetails
 import com.futo.platformplayer.api.media.models.video.SerializedPlatformVideo
 import com.futo.platformplayer.api.media.platforms.js.JSClient
 import com.futo.platformplayer.api.media.platforms.js.SourcePluginConfig
@@ -159,6 +162,7 @@ import com.futo.platformplayer.views.subscriptions.SubscribeButton
 import com.futo.platformplayer.views.video.FutoVideoPlayer
 import com.futo.platformplayer.views.video.FutoVideoPlayerBase
 import com.futo.platformplayer.views.videometa.UpNextView
+import com.futo.platformplayer.withMaxSizePx
 import com.futo.polycentric.core.ApiMethods
 import com.futo.polycentric.core.ContentType
 import com.futo.polycentric.core.Models
@@ -175,6 +179,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
+import kotlinx.serialization.json.Json
 import userpackage.Protocol
 import java.time.OffsetDateTime
 import java.util.Locale
@@ -549,12 +554,12 @@ class VideoDetailView : ConstraintLayout {
         _buttonMore = buttonMore;
         updateMoreButtons();
 
-        val handleLoaderGameVisibilityChanged = { b: Boolean ->
+        val handleLoaderGameVisibilityChanged: (Boolean) -> Unit = { b: Boolean ->
             _loaderGameVisible = b
             fragment.lifecycleScope.launch(Dispatchers.Main) {
                 onShouldEnterPictureInPictureChanged.emit()
+                updateResumeVisibilityFor(lastPositionMilliseconds)
             }
-            updateResumeVisibilityFor(lastPositionMilliseconds)
         }
         _player.loaderGameVisibilityChanged.subscribe(handleLoaderGameVisibilityChanged)
         _cast.loaderGameVisibilityChanged.subscribe(handleLoaderGameVisibilityChanged)
@@ -563,6 +568,18 @@ class VideoDetailView : ConstraintLayout {
             if (video is TutorialFragment.TutorialVideo) {
                 return@setOnClickListener
             }
+            if(video is LocalVideoDetails) {
+                video?.author?.let {
+                    if(it.url.startsWith("content://media/external/audio/artists")) {
+                        fragment.navigate<LibraryArtistFragment>(it.url);
+                        fragment.lifecycleScope.launch {
+                            delay(100);
+                            fragment.minimizeVideoDetail();
+                        };
+                    }
+                }
+                return@setOnClickListener;
+            }
 
             (video?.author ?: _searchVideo?.author)?.let {
                 fragment.navigate<ChannelFragment>(it);
@@ -625,6 +642,11 @@ class VideoDetailView : ConstraintLayout {
         }
         _player.onSourceChanged.subscribe(::onSourceChanged);
         _player.onSourceEnded.subscribe {
+            if (_isCasting) {
+                Logger.i(TAG, "Ignoring onSourceEnded because casting is active")
+                return@subscribe
+            }
+
             if (!fragment.isInPictureInPicture) {
                 _player.gestureControl.showControls(false);
             }
@@ -704,6 +726,7 @@ class VideoDetailView : ConstraintLayout {
 
                     val v = video;
                     if (!it && v != null && v.duration - activeDevice.time.toLong() < 2L) {
+                        Log.i(TAG, "Next video (loop?)")
                         nextVideo();
                     }
                 }
@@ -1035,7 +1058,7 @@ class VideoDetailView : ConstraintLayout {
                 _slideUpOverlay?.hide();
             }
             else null,
-            if(!isLimitedVersion && !(video?.isLive ?: false))
+            if(!isLimitedVersion && !(video?.isLive ?: false) && !(video is LocalVideoDetails))
                 RoundButton(context, R.drawable.ic_download, context.getString(R.string.download), TAG_DOWNLOAD) {
                     video?.let {
                         _slideUpOverlay = UISlideOverlays.showDownloadVideoOverlay(it, _overlayContainer, context.contentResolver);
@@ -1058,15 +1081,16 @@ class VideoDetailView : ConstraintLayout {
                     _slideUpOverlay?.hide();
                 }
             else null,
-            RoundButton(context, R.drawable.ic_export, context.getString(R.string.page), TAG_OPEN) {
+            if(!(video is LocalVideoDetails))
+                RoundButton(context, R.drawable.ic_export, context.getString(R.string.page), TAG_OPEN) {
                 video?.let {
                     val url = video?.shareUrl ?: _searchVideo?.shareUrl ?: _url;
                     fragment.navigate<BrowserFragment>(url);
                     fragment.minimizeVideoDetail();
                 };
                 _slideUpOverlay?.hide();
-            },
-            if (StateSync.instance.hasAuthorizedDevice()) {
+            } else null,
+            if (StateSync.instance.hasAuthorizedDevice() && !(video is LocalVideoDetails)) {
                 RoundButton(context, R.drawable.ic_device, context.getString(R.string.send_to_device), TAG_SEND_TO_DEVICE) {
                     val devices = StateSync.instance.getAuthorizedSessions();
                     val videoToSend = video ?: return@RoundButton;
@@ -1089,10 +1113,11 @@ class VideoDetailView : ConstraintLayout {
                         })
                     }
                 }} else null,
-            RoundButton(context, R.drawable.ic_refresh, context.getString(R.string.reload), "Reload") {
+            if(!(video is LocalVideoDetails))
+                RoundButton(context, R.drawable.ic_refresh, context.getString(R.string.reload), "Reload") {
                 reloadVideo();
                 _slideUpOverlay?.hide();
-            }).filterNotNull();
+            } else null).filterNotNull();
         if(!_buttonPinStore.getAllValues().any())
             _buttonPins.setButtons(*(buttons + listOf(_buttonMore)).toTypedArray());
         else {
@@ -1327,7 +1352,22 @@ class VideoDetailView : ConstraintLayout {
             return;
         //Loop workaround
         if(bypassSameVideoCheck && this.video?.url == video.url && StatePlayer.instance.loopVideo) {
-            _player.seekTo(0);
+            Log.i(TAG, "Loop")
+            if (_isCasting) {
+                Log.i(TAG, "Loop casting")
+                StateCasting.instance.activeDevice?.seekTo(0.0)
+                fragment.lifecycleScope.launch(Dispatchers.IO) {
+                     try {
+                         delay(300)
+                         StateCasting.instance.activeDevice?.resumePlayback()
+                     } catch (e: Throwable) {
+                        Log.e(TAG, "Failed to resume", e)
+                     }
+                }
+            } else {
+                Log.i(TAG, "Loop player")
+                _player.seekTo(0);
+            }
             return;
         }
 
@@ -1354,6 +1394,8 @@ class VideoDetailView : ConstraintLayout {
 
         _minimize_title.text = video.name;
         _minimize_meta.text = video.author.name;
+        StatePlayer.instance.setCurrentlyPlaying(video);
+        Log.i(TAG, "setCurrentlyPlaying (setVideoOverview) ${video.url} (${video.name})")
 
         val subTitleSegments : ArrayList<String> = ArrayList();
         if(video.viewCount > 0)
@@ -1623,7 +1665,9 @@ class VideoDetailView : ConstraintLayout {
 
         _buttonSubscribe.setSubscribeChannel(video.author.url);
         setDescription(video.description.fixHtmlLinks());
-        _creatorThumbnail.setThumbnail(video.author.thumbnail, false);
+        _creatorThumbnail.setThumbnail(video.author.thumbnail, false,
+            video is LocalVideoDetails
+        );
         setPolycentricProfile(null, animate = false);
         _taskLoadPolycentricProfile.run(video.author.id);
 
@@ -1651,7 +1695,7 @@ class VideoDetailView : ConstraintLayout {
 
         _rating.visibility = View.GONE;
 
-        if (StatePolycentric.instance.enabled) {
+        if (StatePolycentric.instance.enabled && !(video is LocalVideoDetails)) {
             fragment.lifecycleScope.launch(Dispatchers.IO) {
                 try {
                     val queryReferencesResponse = ApiMethods.getQueryReferences(
@@ -1711,7 +1755,9 @@ class VideoDetailView : ConstraintLayout {
                     }
                 } catch (e: Throwable) {
                     Logger.e(TAG, "Failed to get polycentric likes/dislikes.", e);
-                    _rating.visibility = View.GONE;
+                    fragment.lifecycleScope.launch(Dispatchers.Main) {
+                        _rating.visibility = View.GONE;
+                    }
                 }
             }
         }
@@ -1776,7 +1822,8 @@ class VideoDetailView : ConstraintLayout {
                         false,
                         (toResume.toFloat() / 1000.0f).toLong(),
                         null,
-                        true
+                        true,
+                        StatePlayer.instance.playlistId
                     );
                     Logger.i(
                         TAG,
@@ -1788,6 +1835,7 @@ class VideoDetailView : ConstraintLayout {
         }
 
         StatePlayer.instance.startOrUpdateMediaSession(context, video);
+        Log.i(TAG, "setCurrentlyPlaying (nextVideo) ${video.url} (${video.name})")
         StatePlayer.instance.setCurrentlyPlaying(video);
 
         _liveChat?.stop();
@@ -1809,17 +1857,19 @@ class VideoDetailView : ConstraintLayout {
         _player.updateNextPrevious();
         updateMoreButtons();
 
-        if (videoDetail is TutorialFragment.TutorialVideo) {
+        if (videoDetail is TutorialFragment.TutorialVideo || videoDetail is LocalVideoDetails) {
             _buttonSubscribe.visibility = View.GONE
-            _buttonMore.visibility = View.GONE
-            _buttonPins.visibility = View.GONE
+            _buttonMore.visibility = if(videoDetail is LocalVideoDetails) View.VISIBLE else View.GONE;
+            _buttonPins.visibility = if(videoDetail is LocalVideoDetails) View.VISIBLE else View.GONE;
             _layoutRating.visibility = View.GONE
+            _rating.visibility = View.GONE;
             _layoutChangeBottomSection.visibility = View.GONE
         } else {
             _buttonSubscribe.visibility = View.VISIBLE
             _buttonMore.visibility = View.VISIBLE
             _buttonPins.visibility = View.VISIBLE
             _layoutRating.visibility = View.VISIBLE
+            _rating.visibility = View.VISIBLE;
             _layoutChangeBottomSection.visibility = View.VISIBLE
         }
 
@@ -2001,7 +2051,7 @@ class VideoDetailView : ConstraintLayout {
                 } else {
                     val thumbnail = video.thumbnails.getHQThumbnail();
                     if ((videoSource == null) && !thumbnail.isNullOrBlank()) // || _player.isAudioMode
-                        Glide.with(context).asBitmap().load(thumbnail)
+                        Glide.with(context).asBitmap().load(thumbnail).withMaxSizePx()
                             .into(object: CustomTarget<Bitmap>() {
                                 override fun onResourceReady(resource: Bitmap, transition: Transition<in Bitmap>?) {
                                     _player.setArtwork(BitmapDrawable(resources, resource));
@@ -2286,6 +2336,8 @@ class VideoDetailView : ConstraintLayout {
         checkAndRemoveWatchLater();
 
         var next = StatePlayer.instance.nextQueueItem(withoutRemoval || _player.duration < 100 || (_player.position.toFloat() / _player.duration) < 0.9, bypassVideoLoop);
+        Log.i(TAG, "next queue item ${next?.url} (${next?.name})")
+
         val autoplayVideo = _autoplayVideo
         if (next == null && autoplayVideo != null && StatePlayer.instance.autoplay) {
             Logger.i(TAG, "Found autoplay video!")
@@ -2298,11 +2350,14 @@ class VideoDetailView : ConstraintLayout {
         if(next == null && forceLoop)
             next = StatePlayer.instance.restartQueue();
         if(next != null) {
+            Logger.i(TAG, "Set video overview (next = ${next.url} (${next.name}))")
             setVideoOverview(next, true, 0, true);
             return true;
         }
-        else
+        else {
+            Log.i(TAG, "setCurrentlyPlaying (nextVideo) null")
             StatePlayer.instance.setCurrentlyPlaying(null);
+        }
         return false;
     }
 
@@ -2683,7 +2738,11 @@ class VideoDetailView : ConstraintLayout {
     private fun fetchComments() {
         Logger.i(TAG, "fetchComments")
         video?.let {
-            _commentsList.load(true) { StatePlatform.instance.getComments(it); };
+            if(video is LocalVideoDetails) {
+                _commentsList.clearComments();
+            }
+            else
+                _commentsList.load(true) { StatePlatform.instance.getComments(it); };
         }
     }
     private fun fetchPolycentricComments() {
@@ -2970,6 +3029,7 @@ class VideoDetailView : ConstraintLayout {
                     }
 
                     onChannelClicked.subscribe {
+                        Logger.i(TAG, "Opening channel url: ${it.url}");
                         if(it.url.isNotBlank()) {
                             fragment.minimizeVideoDetail()
                             fragment.navigate<ChannelFragment>(it)
@@ -3094,7 +3154,7 @@ class VideoDetailView : ConstraintLayout {
             if (v !is TutorialFragment.TutorialVideo) {
                 fragment.lifecycleScope.launch(Dispatchers.IO) {
                     val history = getHistoryIndex(v) ?: return@launch;
-                    StateHistory.instance.updateHistoryPosition(v, history, true, (positionMilliseconds.toFloat() / 1000.0f).toLong(), null, true);
+                    StateHistory.instance.updateHistoryPosition(v, history, true, (positionMilliseconds.toFloat() / 1000.0f).toLong(), null, true, StatePlayer.instance.playlistId);
                 }
             }
             _lastPositionSaveTime = currentTime;
@@ -3299,9 +3359,11 @@ class VideoDetailView : ConstraintLayout {
                         false
                     else {
                         isLoginStop = true;
+                        onMinimize.emit();
                         StatePlugins.instance.loginPlugin(context, id) {
                             fragment.lifecycleScope.launch(Dispatchers.Main) {
                                 fetchVideo();
+                                onMaximize.emit(false);
                             }
                         }
                     }

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/main/VideoListEditorView.kt

@@ -14,12 +14,14 @@ import android.widget.TextView
 import androidx.core.view.isVisible
 import androidx.core.view.setPadding
 import com.bumptech.glide.Glide
+import com.bumptech.glide.load.resource.bitmap.DownsampleStrategy
 import com.futo.platformplayer.R
 import com.futo.platformplayer.UIDialogs
 import com.futo.platformplayer.UISlideOverlays
 import com.futo.platformplayer.api.media.models.video.IPlatformVideo
 import com.futo.platformplayer.assume
 import com.futo.platformplayer.downloads.VideoDownload
+import com.futo.platformplayer.images.GlideHelper
 import com.futo.platformplayer.images.GlideHelper.Companion.crossfade
 import com.futo.platformplayer.states.StateDownloads
 import com.futo.platformplayer.states.StatePlaylists
@@ -27,6 +29,7 @@ import com.futo.platformplayer.toHumanDuration
 import com.futo.platformplayer.toHumanTime
 import com.futo.platformplayer.views.SearchView
 import com.futo.platformplayer.views.lists.VideoListEditorView
+import com.futo.platformplayer.withMaxSizePx
 
 abstract class VideoListEditorView : LinearLayout {
     private var _videoListEditorView: VideoListEditorView;
@@ -194,22 +197,36 @@ abstract class VideoListEditorView : LinearLayout {
         _textMetadata.text = parts.joinToString(" • ");
     }
 
-    protected fun setVideos(videos: List<IPlatformVideo>?, canEdit: Boolean) {
-        if (videos != null && videos.isNotEmpty()) {
-            val video = videos.first();
+    protected fun setVideos(videos: List<IPlatformVideo>?, canEdit: Boolean, thumbnail: String? = null) {
+        if(thumbnail != null) {
             _imagePlaylistThumbnail.let {
                 Glide.with(it)
-                    .load(video.thumbnails.getHQThumbnail())
+                    .load(thumbnail)
                     .placeholder(R.drawable.placeholder_video_thumbnail)
                     .crossfade()
                     .into(it);
-            };
-        } else {
-            _textMetadata.text = "0 " + context.getString(R.string.videos);
-            Glide.with(_imagePlaylistThumbnail)
-                .load(R.drawable.placeholder_video_thumbnail)
-                .into(_imagePlaylistThumbnail)
+            }
         }
+        else {
+            if (videos != null && videos.isNotEmpty()) {
+                val video = videos.first();
+                _imagePlaylistThumbnail.let {
+                    Glide.with(it)
+                        .load(video.thumbnails.getHQThumbnail())
+                        .withMaxSizePx()
+                        .placeholder(R.drawable.placeholder_video_thumbnail)
+                        .crossfade()
+                        .into(it);
+                };
+            } else {
+                Glide.with(_imagePlaylistThumbnail)
+                    .load(R.drawable.placeholder_video_thumbnail)
+                    .into(_imagePlaylistThumbnail)
+            }
+        }
+        if(videos == null || videos.isEmpty())
+            _textMetadata.text = "0 " + context.getString(R.string.videos);
+
         _loadedVideos = videos;
         _loadedVideosCanEdit = canEdit;
         _videoListEditorView.setVideos(videos, canEdit);

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/topbar/FilesTopBarFragment.kt

@@ -0,0 +1,129 @@
+package com.futo.platformplayer.fragment.mainactivity.topbar
+
+import android.os.Bundle
+import android.util.TypedValue
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageButton
+import android.widget.ImageView
+import android.widget.LinearLayout
+import android.widget.TextView
+import androidx.appcompat.widget.AppCompatImageView
+import com.futo.platformplayer.R
+import com.futo.platformplayer.api.media.IPlatformClient
+import com.futo.platformplayer.api.media.models.PlatformAuthorLink
+import com.futo.platformplayer.api.media.models.channels.IPlatformChannel
+import com.futo.platformplayer.fragment.mainactivity.main.LibraryFilesFragment
+import com.futo.platformplayer.models.Playlist
+import com.futo.platformplayer.states.FileEntry
+import com.futo.platformplayer.views.casting.CastButton
+import com.futo.polycentric.core.PolycentricProfile
+
+class FilesTopBarFragment : TopFragment() {
+    private var _buttonBack: ImageButton? = null;
+    private var _buttonCast: CastButton? = null;
+    private var _textTitle: TextView? = null;
+    private var _menuItems: LinearLayout? = null;
+
+    private var _upHandle: (()->Unit)? = null;
+
+    override fun onShown(parameter: Any?) {
+        setTitle(parameter);
+        setMenuItems(listOf());
+    }
+    override fun onHide() {
+
+    }
+
+    fun setTitle(parameter: Any? = null) {
+        if(parameter is IPlatformChannel) {
+            _textTitle?.text = parameter.name;
+        } else if(parameter is PlatformAuthorLink) {
+            _textTitle?.text = parameter.name;
+        } else if (parameter is Playlist) {
+            _textTitle?.text = parameter.name;
+        } else if (parameter is String) {
+            _textTitle?.text = parameter;
+        } else if (parameter is IPlatformClient) {
+            _textTitle?.text = parameter.name;
+        } else if (parameter is PolycentricProfile) {
+            _textTitle?.text = parameter.systemState.username;
+        } else if(parameter is FileEntry) {
+            val treePrefix = "content://com.android.externalstorage.documents/tree/";
+            if(parameter.path.startsWith(treePrefix)) {
+                _textTitle?.text = parameter.path.substring(treePrefix.length - 1).replace("%3A", " ").replace("%2F", "/");
+            }
+            else if(parameter.path.isNullOrBlank())
+                _textTitle?.text = parameter.name;
+            else
+                _textTitle?.text = parameter.path;
+        }
+        else if(parameter is LibraryFilesFragment.FileStack) {
+            val treePrefix = "content://com.android.externalstorage.documents/tree/";
+            if(parameter.path.startsWith(treePrefix)) {
+                _textTitle?.text = parameter.path.substring(treePrefix.length - 1).replace("%3A", " ").replace("%2F", "/");
+            }
+            else
+                _textTitle?.text = parameter.path;
+        }
+    }
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        val view = inflater.inflate(R.layout.fragment_files_top_bar, container, false);
+
+        val buttonBack: ImageButton = view.findViewById(R.id.button_back);
+        _textTitle = view.findViewById(R.id.text_title);
+        _menuItems = view.findViewById(R.id.menu_buttons)
+
+        buttonBack.setOnClickListener {
+            if(_upHandle != null)
+                _upHandle?.invoke();
+            else
+                closeSegment();
+        };
+
+        _buttonBack = buttonBack;
+
+        return view;
+    }
+
+    fun setUpNavigate(handle: (()->Unit)? = null) {
+        _upHandle = handle;
+        _buttonBack?.setImageResource(if(handle == null) R.drawable.ic_back_nav else R.drawable.ic_arrow_up);
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+
+        _buttonBack?.setOnClickListener(null);
+        _buttonBack = null;
+        _buttonCast?.cleanup();
+        _buttonCast = null;
+        _textTitle = null;
+    }
+
+    fun setMenuItems(items: List<Pair<Int, ()->Unit>>) {
+        _menuItems?.removeAllViews();
+
+        val dp4 = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 4f, resources.displayMetrics).toInt();
+        val dp9 = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 9f, resources.displayMetrics).toInt();
+
+        for(item in items) {
+            val compatImageItem = AppCompatImageView(requireContext());
+            compatImageItem.layoutParams = LinearLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.MATCH_PARENT);
+            compatImageItem.setImageResource(item.first);
+            compatImageItem.setPadding(dp4, dp9, dp4, dp9);
+            compatImageItem.scaleType = ImageView.ScaleType.FIT_CENTER;
+            compatImageItem.setOnClickListener {
+                item.second.invoke();
+            };
+
+            _menuItems?.addView(compatImageItem);
+        }
+    }
+
+    companion object {
+        fun newInstance() = FilesTopBarFragment().apply { }
+    }
+}

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/topbar/GeneralTopBarFragment.kt

@@ -1,5 +1,6 @@
 package com.futo.platformplayer.fragment.mainactivity.topbar
 
+import android.os.Build
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -9,6 +10,8 @@ import android.widget.ImageView
 import com.futo.platformplayer.R
 import com.futo.platformplayer.UIDialogs
 import com.futo.platformplayer.fragment.mainactivity.main.CreatorsFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LibraryFragment
+import com.futo.platformplayer.fragment.mainactivity.main.LibrarySearchFragment
 import com.futo.platformplayer.fragment.mainactivity.main.PlaylistFragment
 import com.futo.platformplayer.fragment.mainactivity.main.PlaylistsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.SuggestionsFragment
@@ -46,6 +49,12 @@ class GeneralTopBarFragment : TopFragment() {
                 navigate<SuggestionsFragment>(SuggestionsFragmentData("", SearchType.CREATOR));
             } else if (currentMain is PlaylistsFragment || currentMain is PlaylistFragment) {
                 navigate<SuggestionsFragment>(SuggestionsFragmentData("", SearchType.PLAYLIST));
+            } else if (currentMain is LibraryFragment) {
+                if(Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
+                    UIDialogs.toast("Your Android version is too old for Mediastore search", true);
+                }
+                else
+                    navigate<LibrarySearchFragment>();
             } else {
                 navigate<SuggestionsFragment>(SuggestionsFragmentData("", SearchType.VIDEO));
             }

app/src/main/java/com/futo/platformplayer/fragment/mainactivity/topbar/SearchTopBarFragment.kt

@@ -18,6 +18,7 @@ import com.futo.platformplayer.Settings
 import com.futo.platformplayer.UIDialogs
 import com.futo.platformplayer.constructs.Event0
 import com.futo.platformplayer.constructs.Event1
+import com.futo.platformplayer.fragment.mainactivity.main.LibrarySearchFragment
 import com.futo.platformplayer.fragment.mainactivity.main.SuggestionsFragment
 import com.futo.platformplayer.fragment.mainactivity.main.SuggestionsFragmentData
 import com.futo.platformplayer.logging.Logger
@@ -112,7 +113,10 @@ class SearchTopBarFragment : TopFragment() {
     }
     fun clear() {
         _editSearch?.text?.clear();
-        if (currentMain !is SuggestionsFragment) {
+        if(currentMain is LibrarySearchFragment) {
+            onSearch.emit("");
+        }
+        else if (currentMain !is SuggestionsFragment) {
             navigate<SuggestionsFragment>(SuggestionsFragmentData("", _searchType), false);
         } else {
             onSearch.emit("");
@@ -190,6 +194,12 @@ class SearchTopBarFragment : TopFragment() {
         _buttonFilter?.visibility = if (visible) View.VISIBLE else View.GONE;
     }
 
+    fun getSearchText(): String {
+        return _editSearch?.let {
+            it.text.toString();
+        } ?: "";
+    }
+
     private fun onDone() {
         val editSearch = _editSearch
         if (editSearch != null) {

app/src/main/java/com/futo/platformplayer/images/GlideHelper.kt

@@ -4,8 +4,10 @@ import android.graphics.drawable.Drawable
 import android.widget.ImageView
 import com.bumptech.glide.Glide
 import com.bumptech.glide.RequestBuilder
+import com.bumptech.glide.load.resource.bitmap.DownsampleStrategy
 import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions
 import com.futo.platformplayer.api.media.models.Thumbnails
+import com.futo.platformplayer.withMaxSizePx
 
 class GlideHelper {
 
@@ -14,7 +16,7 @@ class GlideHelper {
         fun ImageView.loadThumbnails(thumbnails: Thumbnails, isHQ: Boolean = true, continuation: ((RequestBuilder<Drawable>) -> Unit)? = null) {
             val url = if(isHQ) thumbnails.getHQThumbnail() ?: thumbnails.getLQThumbnail() else thumbnails.getLQThumbnail();
 
-            val req = Glide.with(this).load(url);
+            val req = Glide.with(this).load(url).withMaxSizePx()
 
             if (thumbnails.hasMultiple() && false) { //TODO: Resolve issue where fallback triggered on second loads?
                 val fallbackUrl = if (isHQ) thumbnails.getLQThumbnail() else thumbnails.getHQThumbnail();
@@ -29,7 +31,6 @@ class GlideHelper {
                 req.into(this);
         }
 
-
         fun RequestBuilder<Drawable>.crossfade(): RequestBuilder<Drawable> {
             return this.transition(DrawableTransitionOptions.withCrossFade());
         }

app/src/main/java/com/futo/platformplayer/images/GrayjayAppGlideModule.java

@@ -1,11 +1,14 @@
 package com.futo.platformplayer.images;
 
 import android.content.Context;
+import android.os.Build;
 import android.util.Log;
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.Registry;
 import com.bumptech.glide.annotation.GlideModule;
 import com.bumptech.glide.module.AppGlideModule;
+
+import java.io.InputStream;
 import java.nio.ByteBuffer;
 
 @GlideModule
@@ -14,5 +17,8 @@ public class GrayjayAppGlideModule extends AppGlideModule {
     public void registerComponents(Context context, Glide glide, Registry registry) {
         Log.i("GrayjayAppGlideModule", "registerComponents called");
         registry.prepend(String.class, ByteBuffer.class, new PolycentricModelLoader.Factory());
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            registry.prepend(String.class, InputStream.class, new MediaStoreThumbnailLoader.InputStreamFactory());
+        }
     }
 }

app/src/main/java/com/futo/platformplayer/images/MediaStoreThumbnailLoader.kt

@@ -0,0 +1,74 @@
+package com.futo.platformplayer.images
+
+import android.content.ContentResolver
+import android.graphics.Point
+import android.net.Uri
+import android.os.Build
+import android.os.Bundle
+import android.provider.MediaStore
+import androidx.annotation.RequiresApi
+import com.bumptech.glide.load.Options
+import com.bumptech.glide.load.data.LocalUriFetcher
+import com.bumptech.glide.load.model.ModelLoader
+import com.bumptech.glide.load.model.ModelLoaderFactory
+import com.bumptech.glide.load.model.MultiModelLoaderFactory
+import com.bumptech.glide.signature.ObjectKey
+import com.futo.platformplayer.states.StateApp
+import java.io.FileNotFoundException
+import java.io.IOException
+import java.io.InputStream
+import java.net.MalformedURLException
+
+@RequiresApi(Build.VERSION_CODES.Q)
+class MediaStoreThumbnailLoader private constructor() : ModelLoader<String, InputStream> {
+
+    override fun handles(model: String): Boolean = isMediaStoreAudioUri(model)
+
+    private fun isMediaStoreAudioUri(uri: String): Boolean {
+        try {
+            val parsed = Uri.parse(uri);
+            return ContentResolver.SCHEME_CONTENT == parsed.scheme
+                    && MediaStore.AUTHORITY == parsed.authority
+                    && "audio" in parsed.pathSegments
+        }
+        catch(ex: MalformedURLException) {
+            return false;
+        }
+    }
+
+    override fun buildLoadData(model: String, width: Int, height: Int, options: Options): ModelLoader.LoadData<InputStream>? {
+        val diskCacheKey = ObjectKey(model)
+        val resolver = StateApp.instance.contextOrNull?.contentResolver ?: return null;
+        val fetcher = InputStreamFetcher(resolver, Uri.parse(model), width, height)
+        return ModelLoader.LoadData(diskCacheKey, fetcher)
+    }
+
+    class InputStreamFactory() : ModelLoaderFactory<String, InputStream> {
+
+        override fun build(multiFactory: MultiModelLoaderFactory): ModelLoader<String, InputStream> = MediaStoreThumbnailLoader()
+
+        override fun teardown() {
+            // Do nothing.
+        }
+    }
+
+    private class InputStreamFetcher(resolver: ContentResolver, uri: Uri, private val width: Int, private val height: Int) : LocalUriFetcher<InputStream>(resolver, uri) {
+
+        override fun getDataClass(): Class<InputStream> = InputStream::class.java
+
+        @Throws(FileNotFoundException::class)
+        override fun loadResource(uri: Uri, contentResolver: ContentResolver): InputStream {
+            val optimalSizeOptions = Bundle(1)
+            optimalSizeOptions.putParcelable(ContentResolver.EXTRA_SIZE, Point(width, height))
+
+            return contentResolver.openTypedAssetFile(uri, "image/*", optimalSizeOptions, null)
+                ?.createInputStream()
+                ?: throw FileNotFoundException("FileDescriptor is null for: $uri")
+        }
+
+        @Throws(IOException::class)
+        override fun close(data: InputStream) {
+            data.close()
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/models/HistoryVideo.kt

@@ -14,15 +14,17 @@ import java.time.ZoneOffset
 class HistoryVideo {
     var video: SerializedPlatformVideo;
     var position: Long;
+    var playlistId: String? = null
 
     @kotlinx.serialization.Serializable(with = OffsetDateTimeSerializer::class)
     var date: OffsetDateTime;
 
 
-    constructor(video: SerializedPlatformVideo, position: Long, date: OffsetDateTime) {
+    constructor(video: SerializedPlatformVideo, position: Long, date: OffsetDateTime, playlistId: String?) {
         this.video = video;
         this.position = position;
         this.date = date;
+        this.playlistId = playlistId
     }
 
 
@@ -59,7 +61,7 @@ class HistoryVideo {
                 viewCount = -1
             );
 
-            return HistoryVideo(video, position, OffsetDateTime.of(LocalDateTime.ofEpochSecond(dateSec, 0, ZoneOffset.UTC), ZoneOffset.UTC));
+            return HistoryVideo(video, position, OffsetDateTime.of(LocalDateTime.ofEpochSecond(dateSec, 0, ZoneOffset.UTC), ZoneOffset.UTC), null);
         }
     }
 }

app/src/main/java/com/futo/platformplayer/models/Telemetry.kt

@@ -12,5 +12,6 @@ data class Telemetry(
     val brand: String,
     val manufacturer: String,
     val model: String,
-    val sdkVersion: Int
+    val sdkVersion: Int,
+    val plugins: List<String>? = null
 ) { }

app/src/main/java/com/futo/platformplayer/parsers/HLS.kt

@@ -29,14 +29,25 @@ class HLS {
             val mediaRenditions = mutableListOf<MediaRendition>()
             val sessionDataList = mutableListOf<SessionData>()
             var independentSegments = false
+            var version: Int? = null
+            var mediaSequence: Long? = null
+            val unhandled = mutableListOf<String>()
 
-            masterPlaylistContent.lines().forEachIndexed { index, line ->
+            val lines = masterPlaylistContent.lines()
+            lines.forEachIndexed { index, line ->
                 when {
+                    line.startsWith("#EXT-X-VERSION:") -> {
+                        version = line.substringAfter(":").toIntOrNull()
+                    }
+
+                    line.startsWith("#EXT-X-MEDIA-SEQUENCE:") -> {
+                        mediaSequence = line.substringAfter(":").toLongOrNull()
+                    }
+
                     line.startsWith("#EXT-X-STREAM-INF") -> {
-                        val nextLine = masterPlaylistContent.lines().getOrNull(index + 1)
+                        val nextLine = lines.getOrNull(index + 1)
                             ?: throw Exception("Expected URI following #EXT-X-STREAM-INF, found none")
                         val url = resolveUrl(baseUrl, nextLine)
-
                         variantPlaylists.add(VariantPlaylistReference(url, parseStreamInfo(line)))
                     }
 
@@ -52,10 +63,14 @@ class HLS {
                         val sessionData = parseSessionData(line)
                         sessionDataList.add(sessionData)
                     }
+
+                    else -> {
+                        unhandled.add(line)
+                    }
                 }
             }
 
-            return MasterPlaylist(variantPlaylists, mediaRenditions, sessionDataList, independentSegments)
+            return MasterPlaylist(variantPlaylists, mediaRenditions, sessionDataList, independentSegments, version = version, mediaSequence = mediaSequence, unhandled = unhandled)
         }
 
         fun mediaRenditionToVariant(rendition: MediaRendition): HLSVariantAudioUrlSource? {
@@ -83,62 +98,189 @@ class HLS {
             return HLSVariantVideoUrlSource(suffix, width ?: 0, height ?: 0, "application/vnd.apple.mpegurl", reference.streamInfo.codecs ?: "", reference.streamInfo.bandwidth, 0, false, reference.url)
         }
 
+        private fun parseByteRange(value: String): Pair<Long, Long> {
+            val trimmed = value.trim()
+            require(trimmed.isNotEmpty()) { "Empty BYTERANGE value" }
+
+            val parts = trimmed.split('@')
+            val length = parts[0].toLong()
+            require(length >= 0) { "Invalid BYTERANGE length '$value'" }
+
+            val start = if (parts.size > 1) {
+                val s = parts[1].toLong()
+                require(s >= 0) { "Invalid BYTERANGE offset '$value'" }
+                s
+            } else {
+                -1L
+            }
+
+            return length to start
+        }
+
+
+        private fun parseAttributes(content: String): Map<String, String> {
+            val index = content.indexOf(':')
+            if (index < 0 || index == content.length - 1) return emptyMap()
+
+            val attributes = mutableMapOf<String, String>()
+            val maybeAttributePairs = content.substring(index + 1).splitToSequence(',')
+
+            var currentPair = StringBuilder()
+            for (pair in maybeAttributePairs) {
+                currentPair.append(pair)
+                if (currentPair.count { it == '\"' } % 2 == 0) {
+                    val full = currentPair.toString()
+                    val key = full.substringBefore("=")
+                    val value = full.substringAfter("=")
+                    attributes[key.trim()] = value.trim().removeSurrounding("\"")
+                    currentPair = StringBuilder()
+                } else {
+                    currentPair.append(',')
+                }
+            }
+
+            return attributes
+        }
+
         fun parseVariantPlaylist(content: String, sourceUrl: String): VariantPlaylist {
+            val baseUrl = URI(sourceUrl).resolve("./").toString()
             val lines = content.lines()
-            val version = lines.find { it.startsWith("#EXT-X-VERSION:") }?.substringAfter(":")?.toIntOrNull()
-            val targetDuration = lines.find { it.startsWith("#EXT-X-TARGETDURATION:") }?.substringAfter(":")?.toIntOrNull()
-            val mediaSequence = lines.find { it.startsWith("#EXT-X-MEDIA-SEQUENCE:") }?.substringAfter(":")?.toLongOrNull()
-            val discontinuitySequence = lines.find { it.startsWith("#EXT-X-DISCONTINUITY-SEQUENCE:") }?.substringAfter(":")?.toIntOrNull()
-            val programDateTime = lines.find { it.startsWith("#EXT-X-PROGRAM-DATE-TIME:") }?.substringAfter(":")?.let {
-                ZonedDateTime.parse(it, DateTimeFormatter.ISO_DATE_TIME)
-            }
-            val playlistType = lines.find { it.startsWith("#EXT-X-PLAYLIST-TYPE:") }?.substringAfter(":")
-            val streamInfo = lines.find { it.startsWith("#EXT-X-STREAM-INF:") }?.let { parseStreamInfo(it) }
 
-            val keyInfo =
-                lines.find { it.startsWith("#EXT-X-KEY:") }?.substringAfter(":")?.split(",")
-
-            val key = keyInfo?.find { it.startsWith("URI=") }?.substringAfter("=")?.trim('"')
-            val iv =
-                keyInfo?.find { it.startsWith("IV=") }?.substringAfter("=")?.substringAfter("x")
-
-            val decryptionInfo: DecryptionInfo? = key?.let { k ->
-                DecryptionInfo(k, iv)
-            }
-
-            val initSegment =
-                lines.find { it.startsWith("#EXT-X-MAP:") }?.substringAfter(":")?.split(",")?.get(0)
-                    ?.substringAfter("=")?.trim('"')
+            var version: Int? = null
+            var targetDuration: Int? = null
+            var mediaSequence: Long? = null
+            var discontinuitySequence: Int? = null
+            var programDateTime: ZonedDateTime? = null
+            var playlistType: String? = null
+            var streamInfo: StreamInfo? = null
+            var decryptionInfo: DecryptionInfo? = null
+            var mapUrl: String? = null
+            var mapBytesStart: Long = -1
+            var mapBytesLength: Long = -1
             val segments = mutableListOf<Segment>()
-            if (initSegment != null) {
-                segments.add(MediaSegment(0.0, resolveUrl(sourceUrl, initSegment)))
-            }
+            val unhandled = mutableListOf<String>()
 
             var currentSegment: MediaSegment? = null
-            lines.forEach { line ->
+
+            for (rawLine in lines) {
+                val line = rawLine.trim()
+                if (line.isEmpty()) continue
+
                 when {
+                    line.startsWith("#EXT-X-VERSION:") -> {
+                        version = line.substringAfter(":").toIntOrNull()
+                    }
+
+                    line.startsWith("#EXT-X-TARGETDURATION:") -> {
+                        targetDuration = line.substringAfter(":").toIntOrNull()
+                    }
+
+                    line.startsWith("#EXT-X-MEDIA-SEQUENCE:") -> {
+                        mediaSequence = line.substringAfter(":").toLongOrNull()
+                    }
+
+                    line.startsWith("#EXT-X-DISCONTINUITY-SEQUENCE:") -> {
+                        discontinuitySequence = line.substringAfter(":").toIntOrNull()
+                    }
+
+                    line.startsWith("#EXT-X-PROGRAM-DATE-TIME:") -> {
+                        programDateTime = ZonedDateTime.parse(
+                            line.substringAfter(":"),
+                            DateTimeFormatter.ISO_DATE_TIME
+                        )
+                    }
+
+                    line.startsWith("#EXT-X-PLAYLIST-TYPE:") -> {
+                        playlistType = line.substringAfter(":")
+                    }
+
+                    line.startsWith("#EXT-X-STREAM-INF:") -> {
+                        streamInfo = parseStreamInfo(line)
+                    }
+
+                    line.startsWith("#EXT-X-KEY:") -> {
+                        val attrs = parseAttributes(line)
+                        val method = attrs["METHOD"]?.ifEmpty { "AES-128" } ?: "AES-128"
+                        val keyUri = attrs["URI"]?.removeSurrounding("\"")
+                        val keyUrl = keyUri?.let { resolveUrl(baseUrl, it) }
+                        val ivRaw = attrs["IV"]
+                        val iv = ivRaw
+                            ?.removePrefix("0x")
+                            ?.removePrefix("0X")
+                        val keyFormat = attrs["KEYFORMAT"]
+                        val keyFormatVersions = attrs["KEYFORMATVERSIONS"]
+                        decryptionInfo = DecryptionInfo(method, keyUrl, iv, keyFormat, keyFormatVersions)
+                    }
+
+                    line.startsWith("#EXT-X-MAP:") -> {
+                        val attrs = parseAttributes(line)
+                        attrs["URI"]?.let { uri ->
+                            mapUrl = resolveUrl(baseUrl, uri)
+                        }
+                        attrs["BYTERANGE"]?.let { br ->
+                            val (len, start) = parseByteRange(br)
+                            mapBytesLength = len
+                            mapBytesStart = start
+                        }
+                    }
+
                     line.startsWith("#EXTINF:") -> {
-                        val duration = line.substringAfter(":").substringBefore(",").toDoubleOrNull()
-                            ?: throw Exception("Invalid segment duration format")
+                        val durationText = line.substringAfter(":").substringBefore(",")
+                        val duration = durationText.toDoubleOrNull()
+                            ?: throw IllegalArgumentException("Invalid segment duration: '$line'")
                         currentSegment = MediaSegment(duration = duration)
                     }
+
                     line == "#EXT-X-DISCONTINUITY" -> {
                         segments.add(DiscontinuitySegment())
                     }
-                    line =="#EXT-X-ENDLIST" -> {
+
+                    line == "#EXT-X-ENDLIST" -> {
                         segments.add(EndListSegment())
                     }
-                    else -> {
+
+                    currentSegment != null && line.startsWith("#EXT-X-BYTERANGE:") -> {
+                        val br = line.substringAfter(":").trim()
+                        val (len, start) = parseByteRange(br)
+                        currentSegment!!.bytesLength = len
+                        currentSegment!!.bytesStart = start
+                    }
+
+                    currentSegment != null && line.startsWith("#") -> {
+                        currentSegment!!.unhandled.add(line)
+                    }
+
+                    !line.startsWith("#") -> {
                         currentSegment?.let {
-                            it.uri = resolveUrl(sourceUrl, line)
+                            it.uri = resolveUrl(baseUrl, line)
                             segments.add(it)
+                            currentSegment = null
+                        } ?: run {
+                            unhandled.add(line)
                         }
-                        currentSegment = null
+                    }
+
+                    else -> {
+                        unhandled.add(line)
                     }
                 }
             }
 
-            return VariantPlaylist(version, targetDuration, mediaSequence, discontinuitySequence, programDateTime, playlistType, streamInfo, segments, decryptionInfo)
+            return VariantPlaylist(
+                version = version,
+                targetDuration = targetDuration,
+                mediaSequence = mediaSequence,
+                discontinuitySequence = discontinuitySequence,
+                programDateTime = programDateTime,
+                playlistType = playlistType,
+                streamInfo = streamInfo,
+                segments = segments,
+                decryptionInfo = decryptionInfo,
+                mapUrl = mapUrl,
+                mapBytesStart = mapBytesStart,
+                mapBytesLength = mapBytesLength,
+                unhandled = unhandled
+            )
         }
 
         fun parseAndGetVideoSources(source: Any, content: String, url: String): List<HLSVariantVideoUrlSource> {
@@ -232,26 +374,6 @@ class HLS {
             return SessionData(dataId, value)
         }
 
-        private fun parseAttributes(content: String): Map<String, String> {
-            val attributes = mutableMapOf<String, String>()
-            val maybeAttributePairs = content.substringAfter(":").splitToSequence(',')
-
-            var currentPair = StringBuilder()
-            for (pair in maybeAttributePairs) {
-                currentPair.append(pair)
-                if (currentPair.count { it == '\"' } % 2 == 0) {  // Check if the number of quotes is even
-                    val key = currentPair.toString().substringBefore("=")
-                    val value = currentPair.toString().substringAfter("=")
-                    attributes[key.trim()] = value.trim().removeSurrounding("\"")
-                    currentPair = StringBuilder()  // Reset for the next attribute
-                } else {
-                    currentPair.append(',')  // Continue building the current attribute pair
-                }
-            }
-
-            return attributes
-        }
-
         private val _quoteList = listOf("GROUP-ID", "NAME", "URI", "CODECS", "AUDIO", "VIDEO")
         private fun shouldQuote(key: String, value: String?): Boolean {
             if (value == null)
@@ -345,11 +467,22 @@ class HLS {
         val variantPlaylistsRefs: List<VariantPlaylistReference>,
         val mediaRenditions: List<MediaRendition>,
         val sessionDataList: List<SessionData>,
-        val independentSegments: Boolean
+        val independentSegments: Boolean,
+        val version: Int? = null,
+        val mediaSequence: Long? = null,
+        val unhandled: List<String> = emptyList()
     ) {
         fun buildM3U8(): String {
             val builder = StringBuilder()
             builder.append("#EXTM3U\n")
+
+            version?.let {
+                builder.append("#EXT-X-VERSION:$it\n")
+            }
+            mediaSequence?.let {
+                builder.append("#EXT-X-MEDIA-SEQUENCE:$it\n")
+            }
+
             if (independentSegments) {
                 builder.append("#EXT-X-INDEPENDENT-SEGMENTS\n")
             }
@@ -404,9 +537,15 @@ class HLS {
     }
 
     data class DecryptionInfo(
-        val keyUrl: String,
-        val iv: String?
-    )
+        val method: String,
+        val keyUrl: String?,
+        val iv: String?,
+        val keyFormat: String?,
+        val keyFormatVersions: String?
+    ) {
+        val isEncrypted: Boolean
+            get() = !method.equals("NONE", ignoreCase = true)
+    }
 
     data class VariantPlaylist(
         val version: Int?,
@@ -417,7 +556,11 @@ class HLS {
         val playlistType: String?,
         val streamInfo: StreamInfo?,
         val segments: List<Segment>,
-        val decryptionInfo: DecryptionInfo? = null
+        val decryptionInfo: DecryptionInfo? = null,
+        val mapUrl: String? = null,
+        val mapBytesStart: Long = -1,
+        val mapBytesLength: Long = -1,
+        val unhandled: List<String> = emptyList()
     ) {
         fun buildM3U8(): String = buildString {
             append("#EXTM3U\n")
@@ -426,9 +569,50 @@ class HLS {
             mediaSequence?.let { append("#EXT-X-MEDIA-SEQUENCE:$it\n") }
             discontinuitySequence?.let { append("#EXT-X-DISCONTINUITY-SEQUENCE:$it\n") }
             playlistType?.let { append("#EXT-X-PLAYLIST-TYPE:$it\n") }
-            programDateTime?.let { append("#EXT-X-PROGRAM-DATE-TIME:${it.format(DateTimeFormatter.ISO_DATE_TIME)}\n") }
+            programDateTime?.let {
+                append(
+                    "#EXT-X-PROGRAM-DATE-TIME:${
+                        it.withZoneSameInstant(java.time.ZoneOffset.UTC)
+                            .format(DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'"))
+                    }\n"
+                )
+            }
             streamInfo?.let { append(it.toM3U8Line()) }
 
+            decryptionInfo?.let { dec ->
+                val sb = StringBuilder()
+                sb.append("#EXT-X-KEY:METHOD=").append(dec.method)
+                if (!dec.method.equals("NONE", ignoreCase = true)) {
+                    dec.keyUrl?.let { url ->
+                        sb.append(",URI=\"").append(url).append("\"")
+                    }
+                    dec.iv?.let { iv ->
+                        sb.append(",IV=0x").append(iv)
+                    }
+                    dec.keyFormat?.let { kf ->
+                        sb.append(",KEYFORMAT=\"").append(kf).append("\"")
+                    }
+                    dec.keyFormatVersions?.let { kfv ->
+                        sb.append(",KEYFORMATVERSIONS=\"").append(kfv).append("\"")
+                    }
+                }
+                append(sb.append("\n").toString())
+            }
+
+            if (!mapUrl.isNullOrEmpty()) {
+                val sb = StringBuilder()
+                sb.append("#EXT-X-MAP:URI=\"").append(mapUrl).append("\"")
+                if (mapBytesLength > 0) {
+                    if (mapBytesStart >= 0) {
+                        sb.append(",BYTERANGE=\"").append(mapBytesLength)
+                            .append("@").append(mapBytesStart).append("\"")
+                    } else {
+                        sb.append(",BYTERANGE=\"").append(mapBytesLength).append("\"")
+                    }
+                }
+                append(sb.append("\n").toString())
+            }
+
             segments.forEach { segment ->
                 append(segment.toM3U8Line())
             }
@@ -439,13 +623,25 @@ class HLS {
         abstract fun toM3U8Line(): String
     }
 
-    data class MediaSegment (
+    data class MediaSegment(
         val duration: Double,
-        var uri: String = ""
+        var uri: String = "",
+        var bytesStart: Long = -1,
+        var bytesLength: Long = -1,
+        val unhandled: MutableList<String> = mutableListOf()
     ) : Segment() {
         override fun toM3U8Line(): String = buildString {
             append("#EXTINF:${duration},\n")
-            append(uri + "\n")
+
+            if (bytesLength > 0) {
+                if (bytesStart >= 0) {
+                    append("#EXT-X-BYTERANGE:${bytesLength}@${bytesStart}\n")
+                } else {
+                    append("#EXT-X-BYTERANGE:${bytesLength}\n")
+                }
+            }
+
+            append(uri).append("\n")
         }
     }
 

app/src/main/java/com/futo/platformplayer/receivers/InstallReceiver.kt

@@ -1,5 +1,6 @@
 package com.futo.platformplayer.receivers
 
+import android.content.ActivityNotFoundException
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
@@ -26,14 +27,24 @@ class InstallReceiver : BroadcastReceiver() {
                 val activityIntent: Intent? = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
                     intent.getParcelableExtra(Intent.EXTRA_INTENT, Intent::class.java)
                 } else {
+                    @Suppress("DEPRECATION")
                     intent.getParcelableExtra(Intent.EXTRA_INTENT)
                 }
 
                 if (activityIntent == null) {
                     Logger.w(TAG, "Received STATUS_PENDING_USER_ACTION and activity intent is null.")
+                    onReceiveResult.emit(context.getString(R.string.install_failed_device_installer_broken))
                     return;
                 }
-                context.startActivity(activityIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK))
+
+                activityIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+
+                try {
+                    context.startActivity(activityIntent)
+                } catch (e: ActivityNotFoundException) {
+                    Logger.e(TAG, "System installer cannot handle CONFIRM_INSTALL intent. ROM is broken; falling back / reporting error.", e)
+                    onReceiveResult.emit(context.getString(R.string.install_failed_device_installer_broken))
+                }
             }
             PackageInstaller.STATUS_SUCCESS -> onReceiveResult.emit(null);
             PackageInstaller.STATUS_FAILURE -> onReceiveResult.emit(context.getString(R.string.general_failure));
@@ -45,6 +56,7 @@ class InstallReceiver : BroadcastReceiver() {
             PackageInstaller.STATUS_FAILURE_STORAGE -> onReceiveResult.emit(context.getString(R.string.not_enough_storage));
             else -> {
                 val msg = intent.getStringExtra(PackageInstaller.EXTRA_STATUS_MESSAGE);
+                Logger.w(TAG, "Received unknown install status $status, message=$msg")
                 onReceiveResult.emit(msg)
             }
         }

app/src/main/java/com/futo/platformplayer/sabr/CombinedQueryString.java

@@ -0,0 +1,124 @@
+package com.futo.platformplayer.sabr;
+
+import androidx.annotation.NonNull;
+
+import java.util.ArrayList;
+import java.util.List;
+
+class CombinedQueryString implements UrlQueryString {
+    private final List<UrlQueryString> mQueryStrings = new ArrayList<>();
+
+    public CombinedQueryString(String url) {
+        UrlQueryString urlQueryString = UrlEncodedQueryString.parse(url);
+
+        if (urlQueryString.isValid()) {
+            mQueryStrings.add(urlQueryString);
+        }
+
+        UrlQueryString pathQueryString = PathQueryString.parse(url);
+
+        if (pathQueryString.isValid()) {
+            mQueryStrings.add(pathQueryString);
+        }
+
+        if (mQueryStrings.isEmpty()) {
+            mQueryStrings.add(NullQueryString.parse(url));
+        }
+    }
+
+    public static UrlQueryString parse(String url) {
+        return new CombinedQueryString(url);
+    }
+
+    @Override
+    public void remove(String key) {
+        for (UrlQueryString queryString : mQueryStrings) {
+            queryString.remove(key);
+        }
+    }
+
+    @Override
+    public String get(String key) {
+        for (UrlQueryString queryString : mQueryStrings) {
+            String value = queryString.get(key);
+            if (value != null) {
+                return value;
+            }
+        }
+
+        return null;
+    }
+
+    @Override
+    public float getFloat(String key) {
+        for (UrlQueryString queryString : mQueryStrings) {
+            float value = queryString.getFloat(key);
+            if (value != 0) {
+                return value;
+            }
+        }
+
+        return 0;
+    }
+
+    @Override
+    public void set(String key, String value) {
+        for (UrlQueryString queryString : mQueryStrings) {
+            queryString.set(key, value);
+        }
+    }
+
+    @Override
+    public void set(String key, int value) {
+        for (UrlQueryString queryString : mQueryStrings) {
+            queryString.set(key, value);
+        }
+    }
+
+    @Override
+    public void set(String key, float value) {
+        for (UrlQueryString queryString : mQueryStrings) {
+            queryString.set(key, value);
+        }
+    }
+
+    @Override
+    public boolean isEmpty() {
+        for (UrlQueryString queryString : mQueryStrings) {
+            return queryString.isEmpty();
+        }
+
+        return true;
+    }
+
+    @Override
+    public boolean isValid() {
+        for (UrlQueryString queryString : mQueryStrings) {
+            return queryString.isValid();
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean contains(String key) {
+        for (UrlQueryString queryString : mQueryStrings) {
+            boolean contains = queryString.contains(key);
+            if (contains) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    @NonNull
+    @Override
+    public String toString() {
+        for (UrlQueryString queryString : mQueryStrings) {
+            return queryString.toString();
+        }
+
+        return super.toString();
+    }
+}

app/src/main/java/com/futo/platformplayer/sabr/DefaultSabrChunkSource.java

@@ -0,0 +1,873 @@
+package com.futo.platformplayer.sabr;
+
+import static androidx.media3.common.util.Util.addWithOverflowDefault;
+import static androidx.media3.common.util.Util.subtractWithOverflowDefault;
+
+import android.net.Uri;
+import android.os.SystemClock;
+
+import androidx.annotation.CheckResult;
+import androidx.annotation.Nullable;
+
+import androidx.media3.common.C;
+import androidx.media3.common.Format;
+import androidx.media3.common.MimeTypes;
+import androidx.media3.common.util.UnstableApi;
+import androidx.media3.common.util.Util;
+import androidx.media3.exoplayer.LoadingInfo;
+import androidx.media3.exoplayer.SeekParameters;
+import androidx.media3.exoplayer.source.chunk.BundledChunkExtractor;
+import androidx.media3.exoplayer.source.chunk.ChunkExtractor;
+import androidx.media3.extractor.ChunkIndex;
+import androidx.media3.extractor.Extractor;
+import androidx.media3.extractor.SeekMap;
+import androidx.media3.extractor.TrackOutput;
+import androidx.media3.exoplayer.source.BehindLiveWindowException;
+import androidx.media3.exoplayer.source.chunk.BaseMediaChunkIterator;
+import androidx.media3.exoplayer.source.chunk.Chunk;
+import androidx.media3.exoplayer.source.chunk.ChunkHolder;
+import androidx.media3.exoplayer.source.chunk.ContainerMediaChunk;
+import androidx.media3.exoplayer.source.chunk.InitializationChunk;
+import androidx.media3.exoplayer.source.chunk.MediaChunk;
+import androidx.media3.exoplayer.source.chunk.MediaChunkIterator;
+import androidx.media3.exoplayer.source.chunk.SingleSampleMediaChunk;
+import com.futo.platformplayer.sabr.PlayerEmsgHandler.PlayerTrackEmsgHandler;
+import com.futo.platformplayer.sabr.manifest.AdaptationSet;
+import com.futo.platformplayer.sabr.manifest.RangedUri;
+import com.futo.platformplayer.sabr.manifest.Representation;
+import com.futo.platformplayer.sabr.manifest.SabrManifest;
+import com.futo.platformplayer.sabr.parser.SabrExtractor;
+import androidx.media3.exoplayer.trackselection.ExoTrackSelection;
+import androidx.media3.datasource.DataSource;
+import androidx.media3.datasource.DataSpec;
+import androidx.media3.datasource.HttpDataSource.InvalidResponseCodeException;
+import androidx.media3.exoplayer.upstream.LoaderErrorThrower;
+import androidx.media3.datasource.TransferListener;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+@UnstableApi
+public class DefaultSabrChunkSource implements SabrChunkSource {
+    public static final class Factory implements SabrChunkSource.Factory {
+
+        private final DataSource.Factory dataSourceFactory;
+        private final int maxSegmentsPerLoad;
+
+        public Factory(DataSource.Factory dataSourceFactory) {
+            this(dataSourceFactory, 1);
+        }
+
+        public Factory(DataSource.Factory dataSourceFactory, int maxSegmentsPerLoad) {
+            this.dataSourceFactory = dataSourceFactory;
+            this.maxSegmentsPerLoad = maxSegmentsPerLoad;
+        }
+
+        @Override
+        public SabrChunkSource createSabrChunkSource(
+                LoaderErrorThrower manifestLoaderErrorThrower,
+                SabrManifest manifest,
+                int periodIndex,
+                int[] adaptationSetIndices,
+                ExoTrackSelection trackSelection,
+                int type,
+                long elapsedRealtimeOffsetMs,
+                boolean enableEventMessageTrack,
+                List<Format> closedCaptionFormats,
+                @Nullable PlayerTrackEmsgHandler playerEmsgHandler,
+                @Nullable TransferListener transferListener) {
+            DataSource dataSource = dataSourceFactory.createDataSource();
+            if (transferListener != null) {
+                dataSource.addTransferListener(transferListener);
+            }
+            return new DefaultSabrChunkSource(
+                    manifestLoaderErrorThrower,
+                    manifest,
+                    periodIndex,
+                    adaptationSetIndices,
+                    trackSelection,
+                    type,
+                    dataSource,
+                    elapsedRealtimeOffsetMs,
+                    maxSegmentsPerLoad,
+                    enableEventMessageTrack,
+                    closedCaptionFormats,
+                    playerEmsgHandler);
+        }
+
+    }
+
+    private final LoaderErrorThrower manifestLoaderErrorThrower;
+    private final int[] adaptationSetIndices;
+    private final int trackType;
+    private final DataSource dataSource;
+    private final long elapsedRealtimeOffsetMs;
+    private final int maxSegmentsPerLoad;
+    @Nullable private final PlayerTrackEmsgHandler playerTrackEmsgHandler;
+
+    protected final RepresentationHolder[] representationHolders;
+
+    private ExoTrackSelection trackSelection;
+    private SabrManifest manifest;
+    private int periodIndex;
+    private IOException fatalError;
+    private boolean missingLastSegment;
+    private long liveEdgeTimeUs;
+
+    /**
+     * @param manifestLoaderErrorThrower Throws errors affecting loading of manifests.
+     * @param manifest The initial manifest.
+     * @param periodIndex The index of the period in the manifest.
+     * @param adaptationSetIndices The indices of the adaptation sets in the period.
+     * @param trackSelection The track selection.
+     * @param trackType The type of the tracks in the selection.
+     * @param dataSource A {@link DataSource} suitable for loading the media data.
+     * @param elapsedRealtimeOffsetMs If known, an estimate of the instantaneous difference between
+     *     server-side unix time and {@link SystemClock#elapsedRealtime()} in milliseconds, specified
+     *     as the server's unix time minus the local elapsed time. If unknown, set to 0.
+     * @param maxSegmentsPerLoad The maximum number of segments to combine into a single request. Note
+     *     that segments will only be combined if their {@link Uri}s are the same and if their data
+     *     ranges are adjacent.
+     * @param enableEventMessageTrack Whether to output an event message track.
+     * @param closedCaptionFormats The {@link Format Formats} of closed caption tracks to be output.
+     * @param playerTrackEmsgHandler The {@link PlayerTrackEmsgHandler} instance to handle emsg
+     *     messages targeting the player. Maybe null if this is not necessary.
+     */
+    public DefaultSabrChunkSource(
+            LoaderErrorThrower manifestLoaderErrorThrower,
+            SabrManifest manifest,
+            int periodIndex,
+            int[] adaptationSetIndices,
+            ExoTrackSelection trackSelection,
+            int trackType,
+            DataSource dataSource,
+            long elapsedRealtimeOffsetMs,
+            int maxSegmentsPerLoad,
+            boolean enableEventMessageTrack,
+            List<Format> closedCaptionFormats,
+            @Nullable PlayerTrackEmsgHandler playerTrackEmsgHandler) {
+        this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
+        this.manifest = manifest;
+        this.adaptationSetIndices = adaptationSetIndices;
+        this.trackSelection = trackSelection;
+        this.trackType = trackType;
+        this.dataSource = dataSource;
+        this.periodIndex = periodIndex;
+        this.elapsedRealtimeOffsetMs = elapsedRealtimeOffsetMs;
+        this.maxSegmentsPerLoad = maxSegmentsPerLoad;
+        this.playerTrackEmsgHandler = playerTrackEmsgHandler;
+
+        long periodDurationUs = manifest.getPeriodDurationUs(periodIndex);
+        liveEdgeTimeUs = C.TIME_UNSET;
+
+        List<Representation> representations = getRepresentations();
+        representationHolders = new RepresentationHolder[trackSelection.length()];
+        for (int i = 0; i < representationHolders.length; i++) {
+            Representation representation = representations.get(trackSelection.getIndexInTrackGroup(i));
+            representationHolders[i] =
+                    new RepresentationHolder(
+                            periodDurationUs,
+                            trackType,
+                            representation,
+                            enableEventMessageTrack,
+                            closedCaptionFormats,
+                            playerTrackEmsgHandler);
+        }
+    }
+
+    @Override
+    public void updateManifest(SabrManifest newManifest, int newPeriodIndex) {
+        try {
+            manifest = newManifest;
+            periodIndex = newPeriodIndex;
+            long periodDurationUs = manifest.getPeriodDurationUs(periodIndex);
+            List<Representation> representations = getRepresentations();
+            for (int i = 0; i < representationHolders.length; i++) {
+                Representation representation = representations.get(trackSelection.getIndexInTrackGroup(i));
+                representationHolders[i] =
+                        representationHolders[i].copyWithNewRepresentation(periodDurationUs, representation);
+            }
+        } catch (BehindLiveWindowException e) {
+            fatalError = e;
+        }
+    }
+
+    @Override
+    public void updateTrackSelection(ExoTrackSelection trackSelection) {
+        this.trackSelection = trackSelection;
+    }
+
+
+    /**
+     * Resolves a seek given the requested seek position, a {@link SeekParameters} and two candidate
+     * sync points.
+     *
+     * @param positionUs The requested seek position, in microseocnds.
+     * @param seekParameters The {@link SeekParameters}.
+     * @param firstSyncUs The first candidate seek point, in micrseconds.
+     * @param secondSyncUs The second candidate seek point, in microseconds. May equal {@code
+     *     firstSyncUs} if there's only one candidate.
+     * @return The resolved seek position, in microseconds.
+     */
+    public static long resolveSeekPositionUs(
+            long positionUs, SeekParameters seekParameters, long firstSyncUs, long secondSyncUs) {
+        if (SeekParameters.EXACT.equals(seekParameters)) {
+            return positionUs;
+        }
+        long minPositionUs = subtractWithOverflowDefault(positionUs, seekParameters.toleranceBeforeUs, Long.MIN_VALUE);
+        long maxPositionUs = addWithOverflowDefault(positionUs, seekParameters.toleranceAfterUs, Long.MAX_VALUE);
+        boolean firstSyncPositionValid = minPositionUs <= firstSyncUs && firstSyncUs <= maxPositionUs;
+        boolean secondSyncPositionValid =
+                minPositionUs <= secondSyncUs && secondSyncUs <= maxPositionUs;
+        if (firstSyncPositionValid && secondSyncPositionValid) {
+            if (Math.abs(firstSyncUs - positionUs) <= Math.abs(secondSyncUs - positionUs)) {
+                return firstSyncUs;
+            } else {
+                return secondSyncUs;
+            }
+        } else if (firstSyncPositionValid) {
+            return firstSyncUs;
+        } else if (secondSyncPositionValid) {
+            return secondSyncUs;
+        } else {
+            return minPositionUs;
+        }
+    }
+
+    @Override
+    public long getAdjustedSeekPositionUs(long positionUs, SeekParameters seekParameters) {
+        // Segments are aligned across representations, so any segment index will do.
+        for (RepresentationHolder representationHolder : representationHolders) {
+            if (representationHolder.segmentIndex != null) {
+                long segmentNum = representationHolder.getSegmentNum(positionUs);
+                long firstSyncUs = representationHolder.getSegmentStartTimeUs(segmentNum);
+                long secondSyncUs =
+                        firstSyncUs < positionUs && segmentNum < representationHolder.getSegmentCount() - 1
+                                ? representationHolder.getSegmentStartTimeUs(segmentNum + 1)
+                                : firstSyncUs;
+                return resolveSeekPositionUs(positionUs, seekParameters, firstSyncUs, secondSyncUs);
+            }
+        }
+        // We don't have a segment index to adjust the seek position with yet.
+        return positionUs;
+    }
+
+    @Override
+    public void maybeThrowError() throws IOException {
+        if (fatalError != null) {
+            throw fatalError;
+        } else {
+            manifestLoaderErrorThrower.maybeThrowError();
+        }
+    }
+
+    @Override
+    public int getPreferredQueueSize(long playbackPositionUs, List<? extends MediaChunk> queue) {
+        if (fatalError != null || trackSelection.length() < 2) {
+            return queue.size();
+        }
+        return trackSelection.evaluateQueueSize(playbackPositionUs, queue);
+    }
+
+    @Override
+    public void getNextChunk(LoadingInfo loadingInfo, long loadPositionUs, List<? extends MediaChunk> queue, ChunkHolder out) {
+        //public void getNextChunk(long playbackPositionUs, long loadPositionUs, List<? extends MediaChunk> queue, ChunkHolder out) {
+        if (fatalError != null) {
+            return;
+        }
+
+        long bufferedDurationUs = loadPositionUs - loadingInfo.playbackPositionUs;
+        long timeToLiveEdgeUs = resolveTimeToLiveEdgeUs(loadingInfo.playbackPositionUs);
+        long presentationPositionUs = C.msToUs(manifest.availabilityStartTimeMs)
+            + C.msToUs(manifest.getPeriod(periodIndex).startMs)
+            + loadPositionUs;
+
+        if (playerTrackEmsgHandler != null
+                && playerTrackEmsgHandler.maybeRefreshManifestBeforeLoadingNextChunk(
+                presentationPositionUs)) {
+            return;
+        }
+
+        long nowUnixTimeUs = getNowUnixTimeUs();
+        MediaChunk previous = queue.isEmpty() ? null : queue.get(queue.size() - 1);
+        MediaChunkIterator[] chunkIterators = new MediaChunkIterator[trackSelection.length()];
+        for (int i = 0; i < chunkIterators.length; i++) {
+            RepresentationHolder representationHolder = representationHolders[i];
+            if (representationHolder.segmentIndex == null) {
+                chunkIterators[i] = MediaChunkIterator.EMPTY;
+            } else {
+                long firstAvailableSegmentNum =
+                        representationHolder.getFirstAvailableSegmentNum(manifest, periodIndex, nowUnixTimeUs);
+                long lastAvailableSegmentNum =
+                        representationHolder.getLastAvailableSegmentNum(manifest, periodIndex, nowUnixTimeUs);
+                long segmentNum =
+                        getSegmentNum(
+                                representationHolder,
+                                previous,
+                                loadPositionUs,
+                                firstAvailableSegmentNum,
+                                lastAvailableSegmentNum);
+                if (segmentNum < firstAvailableSegmentNum) {
+                    chunkIterators[i] = MediaChunkIterator.EMPTY;
+                } else {
+                    chunkIterators[i] =
+                            new RepresentationSegmentIterator(
+                                    representationHolder, segmentNum, lastAvailableSegmentNum);
+                }
+            }
+        }
+
+        trackSelection.updateSelectedTrack(
+                loadingInfo.playbackPositionUs, bufferedDurationUs, timeToLiveEdgeUs, queue, chunkIterators);
+
+        RepresentationHolder representationHolder =
+                representationHolders[trackSelection.getSelectedIndex()];
+
+        if (representationHolder.extractorWrapper != null) {
+            Representation selectedRepresentation = representationHolder.representation;
+            RangedUri pendingInitializationUri = null;
+            RangedUri pendingIndexUri = null;
+            if (representationHolder.extractorWrapper.getSampleFormats() == null) {
+                pendingInitializationUri = selectedRepresentation.getInitializationUri();
+            }
+            if (representationHolder.segmentIndex == null) {
+                pendingIndexUri = selectedRepresentation.getIndexUri();
+            }
+            if (pendingInitializationUri != null || pendingIndexUri != null) {
+                // We have initialization and/or index requests to make.
+                out.chunk = newInitializationChunk(representationHolder, dataSource,
+                        trackSelection.getSelectedFormat(), trackSelection.getSelectionReason(),
+                        trackSelection.getSelectionData(), pendingInitializationUri, pendingIndexUri);
+                return;
+            }
+        }
+
+        long periodDurationUs = representationHolder.periodDurationUs;
+        boolean periodEnded = periodDurationUs != C.TIME_UNSET;
+
+        if (representationHolder.getSegmentCount() == 0) {
+            // The index doesn't define any segments.
+            out.endOfStream = periodEnded;
+            return;
+        }
+
+        long firstAvailableSegmentNum =
+                representationHolder.getFirstAvailableSegmentNum(manifest, periodIndex, nowUnixTimeUs);
+        long lastAvailableSegmentNum =
+                representationHolder.getLastAvailableSegmentNum(manifest, periodIndex, nowUnixTimeUs);
+
+        updateLiveEdgeTimeUs(representationHolder, lastAvailableSegmentNum);
+
+        long segmentNum =
+                getSegmentNum(
+                        representationHolder,
+                        previous,
+                        loadPositionUs,
+                        firstAvailableSegmentNum,
+                        lastAvailableSegmentNum);
+        if (segmentNum < firstAvailableSegmentNum) {
+            // This is before the first chunk in the current manifest.
+            fatalError = new BehindLiveWindowException();
+            return;
+        }
+
+        if (segmentNum > lastAvailableSegmentNum
+                || (missingLastSegment && segmentNum >= lastAvailableSegmentNum)) {
+            // The segment is beyond the end of the period.
+            out.endOfStream = periodEnded;
+            return;
+        }
+
+        if (periodEnded && representationHolder.getSegmentStartTimeUs(segmentNum) >= periodDurationUs) {
+            // The period duration clips the period to a position before the segment.
+            out.endOfStream = true;
+            return;
+        }
+
+        int maxSegmentCount =
+                (int) Math.min(maxSegmentsPerLoad, lastAvailableSegmentNum - segmentNum + 1);
+        if (periodDurationUs != C.TIME_UNSET) {
+            while (maxSegmentCount > 1
+                    && representationHolder.getSegmentStartTimeUs(segmentNum + maxSegmentCount - 1)
+                    >= periodDurationUs) {
+                // The period duration clips the period to a position before the last segment in the range
+                // [segmentNum, segmentNum + maxSegmentCount - 1]. Reduce maxSegmentCount.
+                maxSegmentCount--;
+            }
+        }
+
+        long seekTimeUs = queue.isEmpty() ? loadPositionUs : C.TIME_UNSET;
+        out.chunk =
+                newMediaChunk(
+                        representationHolder,
+                        dataSource,
+                        trackType,
+                        trackSelection.getSelectedFormat(),
+                        trackSelection.getSelectionReason(),
+                        trackSelection.getSelectionData(),
+                        segmentNum,
+                        maxSegmentCount,
+                        seekTimeUs);
+    }
+
+    @Override
+    public boolean shouldCancelLoad(
+            long playbackPositionUs, Chunk loadingChunk, List<? extends MediaChunk> queue) {
+        if (fatalError != null || trackSelection.length() < 2) {
+            return false;
+        }
+        // Let the selection decide (Media3 exposes this).
+        return trackSelection.shouldCancelChunkLoad(playbackPositionUs, loadingChunk, (List<MediaChunk>) queue);
+    }
+
+    @Override
+    public void onChunkLoadCompleted(Chunk chunk) {
+        // If the init chunk just finished, try to grab a parsed ChunkIndex from the extractor.
+        if (chunk instanceof InitializationChunk) {
+            final int trackIndex = trackSelection.indexOf(chunk.trackFormat);
+            if (trackIndex != C.INDEX_UNSET) {
+                RepresentationHolder holder = representationHolders[trackIndex];
+
+                // Don't overwrite a manifest-defined index. Only adopt stream-provided index if needed.
+                if (holder.segmentIndex == null && holder.extractorWrapper != null) {
+                    // Media3 exposes the parsed index via ChunkExtractor.getChunkIndex() now.
+                    ChunkIndex chunkIndex = holder.extractorWrapper.getChunkIndex();
+                    if (chunkIndex != null) {
+                        representationHolders[trackIndex] =
+                                holder.copyWithNewSegmentIndex(
+                                        new SabrWrappingSegmentIndex(
+                                                chunkIndex,
+                                                holder.representation.presentationTimeOffsetUs));
+                    }
+                }
+            }
+        }
+
+        if (playerTrackEmsgHandler != null) {
+            playerTrackEmsgHandler.onChunkLoadCompleted(chunk);
+        }
+    }
+
+    @Override
+    public boolean onChunkLoadError(
+            Chunk chunk,
+            boolean cancelable,
+            androidx.media3.exoplayer.upstream.LoadErrorHandlingPolicy.LoadErrorInfo loadErrorInfo,
+            androidx.media3.exoplayer.upstream.LoadErrorHandlingPolicy loadErrorHandlingPolicy) {
+        if (!cancelable) return false;
+
+        // Manifest-driven refresh (same behavior you had before).
+        if (playerTrackEmsgHandler != null && playerTrackEmsgHandler.maybeRefreshManifestOnLoadingError(chunk)) {
+            return true; // cancel & re-resolve next chunk
+        }
+
+        // Workaround for a missing last segment on VOD (404) — unchanged logic, updated signature.
+        if (!manifest.dynamic
+                && chunk instanceof MediaChunk
+                && loadErrorInfo.exception instanceof InvalidResponseCodeException
+                && ((InvalidResponseCodeException) loadErrorInfo.exception).responseCode == 404) {
+            RepresentationHolder holder = representationHolders[trackSelection.indexOf(chunk.trackFormat)];
+            int count = holder.getSegmentCount();
+            if (count != SabrSegmentIndex.INDEX_UNBOUNDED && count != 0) {
+                long lastAvailable = holder.getFirstSegmentNum() + count - 1;
+                if (((MediaChunk) chunk).getNextChunkIndex() > lastAvailable) {
+                    missingLastSegment = true;
+                    return true; // cancel; we’ll end the period gracefully
+                }
+            }
+        }
+
+        // Modern fallback track exclusion using LoadErrorHandlingPolicy
+        int excluded = 0;
+        long nowMs = SystemClock.elapsedRealtime();
+        for (int i = 0; i < trackSelection.length(); i++) {
+            if (trackSelection.isTrackExcluded(i, nowMs)) excluded++;
+        }
+        androidx.media3.exoplayer.upstream.LoadErrorHandlingPolicy.FallbackOptions options =
+                new androidx.media3.exoplayer.upstream.LoadErrorHandlingPolicy.FallbackOptions(
+                        /* numberOfLocations= */ 1, /* numberOfExcludedLocations= */ 0,
+                        /* numberOfTracks= */ trackSelection.length(), /* numberOfExcludedTracks= */ excluded);
+
+        androidx.media3.exoplayer.upstream.LoadErrorHandlingPolicy.FallbackSelection sel =
+                loadErrorHandlingPolicy.getFallbackSelectionFor(options, loadErrorInfo);
+
+        if (sel != null
+                && sel.type == androidx.media3.exoplayer.upstream.LoadErrorHandlingPolicy.FALLBACK_TYPE_TRACK) {
+            int trackIdx = trackSelection.indexOf(chunk.trackFormat);
+            return trackSelection.excludeTrack(trackIdx, sel.exclusionDurationMs);
+        }
+
+        return false;
+    }
+
+    private ArrayList<Representation> getRepresentations() {
+        List<AdaptationSet> manifestAdaptationSets = manifest.getPeriod(periodIndex).adaptationSets;
+        ArrayList<Representation> representations = new ArrayList<>();
+        for (int adaptationSetIndex : adaptationSetIndices) {
+            representations.addAll(manifestAdaptationSets.get(adaptationSetIndex).representations);
+        }
+        return representations;
+    }
+
+    private long resolveTimeToLiveEdgeUs(long playbackPositionUs) {
+        boolean resolveTimeToLiveEdgePossible = manifest.dynamic && liveEdgeTimeUs != C.TIME_UNSET;
+        return resolveTimeToLiveEdgePossible ? liveEdgeTimeUs - playbackPositionUs : C.TIME_UNSET;
+    }
+
+    private long getNowUnixTimeUs() {
+        if (elapsedRealtimeOffsetMs != 0) {
+            return (SystemClock.elapsedRealtime() + elapsedRealtimeOffsetMs) * 1000;
+        } else {
+            return System.currentTimeMillis() * 1000;
+        }
+    }
+
+    @Override
+    public void release() {
+        // Forward-looking: free extractor resources if needed.
+        for (RepresentationHolder h : representationHolders) {
+            if (h != null && h.extractorWrapper != null) {
+                h.extractorWrapper.release();
+            }
+        }
+    }
+
+    private long getSegmentNum(
+            RepresentationHolder representationHolder,
+            @Nullable MediaChunk previousChunk,
+            long loadPositionUs,
+            long firstAvailableSegmentNum,
+            long lastAvailableSegmentNum) {
+        return previousChunk != null
+                ? previousChunk.getNextChunkIndex()
+                : Util.constrainValue(representationHolder.getSegmentNum(loadPositionUs), firstAvailableSegmentNum, lastAvailableSegmentNum);
+    }
+
+    private void updateLiveEdgeTimeUs(
+            RepresentationHolder representationHolder, long lastAvailableSegmentNum) {
+        liveEdgeTimeUs = manifest.dynamic
+                ? representationHolder.getSegmentEndTimeUs(lastAvailableSegmentNum) : C.TIME_UNSET;
+    }
+
+    protected Chunk newInitializationChunk(
+            RepresentationHolder representationHolder,
+            DataSource dataSource,
+            Format trackFormat,
+            int trackSelectionReason,
+            Object trackSelectionData,
+            RangedUri initializationUri,
+            RangedUri indexUri) {
+        RangedUri requestUri;
+        String baseUrl = representationHolder.representation.baseUrl;
+        if (initializationUri != null) {
+            // It's common for initialization and index data to be stored adjacently. Attempt to merge
+            // the two requests together to request both at once.
+            requestUri = initializationUri.attemptMerge(indexUri, baseUrl);
+            if (requestUri == null) {
+                requestUri = initializationUri;
+            }
+        } else {
+            requestUri = indexUri;
+        }
+        // TODO: first protobuf request (before the video start off)
+        DataSpec dataSpec = new DataSpec(requestUri.resolveUri(baseUrl), requestUri.start,
+                requestUri.length, representationHolder.representation.getCacheKey());
+        return new InitializationChunk(dataSource, dataSpec, trackFormat,
+                trackSelectionReason, trackSelectionData, representationHolder.extractorWrapper);
+    }
+
+    protected Chunk newMediaChunk(
+            RepresentationHolder representationHolder,
+            DataSource dataSource,
+            int trackType,
+            Format trackFormat,
+            int trackSelectionReason,
+            Object trackSelectionData,
+            long firstSegmentNum,
+            int maxSegmentCount,
+            long seekTimeUs) {
+        Representation representation = representationHolder.representation;
+        long startTimeUs = representationHolder.getSegmentStartTimeUs(firstSegmentNum);
+        RangedUri segmentUri = representationHolder.getSegmentUrl(firstSegmentNum);
+        String baseUrl = representation.baseUrl;
+        if (representationHolder.extractorWrapper == null) {
+            long endTimeUs = representationHolder.getSegmentEndTimeUs(firstSegmentNum);
+            DataSpec dataSpec = new DataSpec(segmentUri.resolveUri(baseUrl),
+                    segmentUri.start, segmentUri.length, representation.getCacheKey());
+            return new SingleSampleMediaChunk(dataSource, dataSpec, trackFormat, trackSelectionReason,
+                    trackSelectionData, startTimeUs, endTimeUs, firstSegmentNum, trackType, trackFormat);
+        } else {
+            int segmentCount = 1;
+            for (int i = 1; i < maxSegmentCount; i++) {
+                RangedUri nextSegmentUri = representationHolder.getSegmentUrl(firstSegmentNum + i);
+                RangedUri mergedSegmentUri = segmentUri.attemptMerge(nextSegmentUri, baseUrl);
+                if (mergedSegmentUri == null) {
+                    // Unable to merge segment fetches because the URIs do not merge.
+                    break;
+                }
+                segmentUri = mergedSegmentUri;
+                segmentCount++;
+            }
+            long endTimeUs = representationHolder.getSegmentEndTimeUs(firstSegmentNum + segmentCount - 1);
+            long periodDurationUs = representationHolder.periodDurationUs;
+            long clippedEndTimeUs =
+                    periodDurationUs != C.TIME_UNSET && periodDurationUs <= endTimeUs
+                            ? periodDurationUs
+                            : C.TIME_UNSET;
+            // TODO: next protobuf requests (during the playback)
+            DataSpec dataSpec = new DataSpec(segmentUri.resolveUri(baseUrl),
+                    segmentUri.start, segmentUri.length, representation.getCacheKey());
+            long sampleOffsetUs = -representation.presentationTimeOffsetUs;
+            return new ContainerMediaChunk(
+                    dataSource,
+                    dataSpec,
+                    trackFormat,
+                    trackSelectionReason,
+                    trackSelectionData,
+                    startTimeUs,
+                    endTimeUs,
+                    seekTimeUs,
+                    clippedEndTimeUs,
+                    firstSegmentNum,
+                    segmentCount,
+                    sampleOffsetUs,
+                    representationHolder.extractorWrapper);
+        }
+    }
+
+    /** {@link MediaChunkIterator} wrapping a {@link RepresentationHolder}. */
+    protected static final class RepresentationSegmentIterator extends BaseMediaChunkIterator {
+
+        private final RepresentationHolder representationHolder;
+
+        /**
+         * Creates iterator.
+         *
+         * @param representation The {@link RepresentationHolder} to wrap.
+         * @param firstAvailableSegmentNum The number of the first available segment.
+         * @param lastAvailableSegmentNum The number of the last available segment.
+         */
+        public RepresentationSegmentIterator(
+                RepresentationHolder representation,
+                long firstAvailableSegmentNum,
+                long lastAvailableSegmentNum) {
+            super(/* fromIndex= */ firstAvailableSegmentNum, /* toIndex= */ lastAvailableSegmentNum);
+            this.representationHolder = representation;
+        }
+
+        @Override
+        public DataSpec getDataSpec() {
+            checkInBounds();
+            Representation representation = representationHolder.representation;
+            RangedUri segmentUri = representationHolder.getSegmentUrl(getCurrentIndex());
+            Uri resolvedUri = segmentUri.resolveUri(representation.baseUrl);
+            String cacheKey = representation.getCacheKey();
+            return new DataSpec(resolvedUri, segmentUri.start, segmentUri.length, cacheKey);
+        }
+
+        @Override
+        public long getChunkStartTimeUs() {
+            checkInBounds();
+            return representationHolder.getSegmentStartTimeUs(getCurrentIndex());
+        }
+
+        @Override
+        public long getChunkEndTimeUs() {
+            checkInBounds();
+            return representationHolder.getSegmentEndTimeUs(getCurrentIndex());
+        }
+    }
+
+    /** Holds information about a snapshot of a single {@link Representation}. */
+    protected static final class RepresentationHolder {
+
+        /* package */ final @Nullable ChunkExtractor extractorWrapper;
+
+        public final Representation representation;
+        public final @Nullable SabrSegmentIndex segmentIndex;
+
+        private final long periodDurationUs;
+        private final long segmentNumShift;
+
+        /* package */ RepresentationHolder(
+                long periodDurationUs,
+                int trackType,
+                Representation representation,
+                boolean enableEventMessageTrack,
+                List<Format> closedCaptionFormats,
+                TrackOutput playerEmsgTrackOutput) {
+            this(
+                    periodDurationUs,
+                    representation,
+                    createExtractorWrapper(
+                            trackType,
+                            representation,
+                            enableEventMessageTrack,
+                            closedCaptionFormats,
+                            playerEmsgTrackOutput),
+                    /* segmentNumShift= */ 0,
+                    representation.getIndex());
+        }
+
+        private RepresentationHolder(
+                long periodDurationUs,
+                Representation representation,
+                @Nullable ChunkExtractor extractorWrapper,
+                long segmentNumShift,
+                @Nullable SabrSegmentIndex segmentIndex) {
+            this.periodDurationUs = periodDurationUs;
+            this.representation = representation;
+            this.segmentNumShift = segmentNumShift;
+            this.extractorWrapper = extractorWrapper;
+            this.segmentIndex = segmentIndex;
+        }
+
+        @CheckResult
+            /* package */ RepresentationHolder copyWithNewRepresentation(
+                long newPeriodDurationUs, Representation newRepresentation)
+                throws BehindLiveWindowException {
+            SabrSegmentIndex oldIndex = representation.getIndex();
+            SabrSegmentIndex newIndex = newRepresentation.getIndex();
+
+            if (oldIndex == null) {
+                // Segment numbers cannot shift if the index isn't defined by the manifest.
+                return new RepresentationHolder(
+                        newPeriodDurationUs, newRepresentation, extractorWrapper, segmentNumShift, oldIndex);
+            }
+
+            if (!oldIndex.isExplicit()) {
+                // Segment numbers cannot shift if the index isn't explicit.
+                return new RepresentationHolder(
+                        newPeriodDurationUs, newRepresentation, extractorWrapper, segmentNumShift, newIndex);
+            }
+
+            int oldIndexSegmentCount = oldIndex.getSegmentCount(newPeriodDurationUs);
+            if (oldIndexSegmentCount == 0) {
+                // Segment numbers cannot shift if the old index was empty.
+                return new RepresentationHolder(
+                        newPeriodDurationUs, newRepresentation, extractorWrapper, segmentNumShift, newIndex);
+            }
+
+            long oldIndexFirstSegmentNum = oldIndex.getFirstSegmentNum();
+            long oldIndexStartTimeUs = oldIndex.getTimeUs(oldIndexFirstSegmentNum);
+            long oldIndexLastSegmentNum = oldIndexFirstSegmentNum + oldIndexSegmentCount - 1;
+            long oldIndexEndTimeUs =
+                    oldIndex.getTimeUs(oldIndexLastSegmentNum)
+                            + oldIndex.getDurationUs(oldIndexLastSegmentNum, newPeriodDurationUs);
+            long newIndexFirstSegmentNum = newIndex.getFirstSegmentNum();
+            long newIndexStartTimeUs = newIndex.getTimeUs(newIndexFirstSegmentNum);
+            long newSegmentNumShift = segmentNumShift;
+            if (oldIndexEndTimeUs == newIndexStartTimeUs) {
+                // The new index continues where the old one ended, with no overlap.
+                newSegmentNumShift += oldIndexLastSegmentNum + 1 - newIndexFirstSegmentNum;
+            } else if (oldIndexEndTimeUs < newIndexStartTimeUs) {
+                // There's a gap between the old index and the new one which means we've slipped behind the
+                // live window and can't proceed.
+                throw new BehindLiveWindowException();
+            } else if (newIndexStartTimeUs < oldIndexStartTimeUs) {
+                // The new index overlaps with (but does not have a start position contained within) the old
+                // index. This can only happen if extra segments have been added to the start of the index.
+                newSegmentNumShift -=
+                        newIndex.getSegmentNum(oldIndexStartTimeUs, newPeriodDurationUs)
+                                - oldIndexFirstSegmentNum;
+            } else {
+                // The new index overlaps with (and has a start position contained within) the old index.
+                newSegmentNumShift +=
+                        oldIndex.getSegmentNum(newIndexStartTimeUs, newPeriodDurationUs)
+                                - newIndexFirstSegmentNum;
+            }
+            return new RepresentationHolder(
+                    newPeriodDurationUs, newRepresentation, extractorWrapper, newSegmentNumShift, newIndex);
+        }
+
+        @CheckResult
+            /* package */ RepresentationHolder copyWithNewSegmentIndex(SabrSegmentIndex segmentIndex) {
+            return new RepresentationHolder(
+                    periodDurationUs, representation, extractorWrapper, segmentNumShift, segmentIndex);
+        }
+
+        public long getFirstSegmentNum() {
+            return segmentIndex.getFirstSegmentNum() + segmentNumShift;
+        }
+
+        public int getSegmentCount() {
+            return segmentIndex.getSegmentCount(periodDurationUs);
+        }
+
+        public long getSegmentStartTimeUs(long segmentNum) {
+            return segmentIndex.getTimeUs(segmentNum - segmentNumShift);
+        }
+
+        public long getSegmentEndTimeUs(long segmentNum) {
+            return getSegmentStartTimeUs(segmentNum)
+                    + segmentIndex.getDurationUs(segmentNum - segmentNumShift, periodDurationUs);
+        }
+
+        public long getSegmentNum(long positionUs) {
+            return segmentIndex.getSegmentNum(positionUs, periodDurationUs) + segmentNumShift;
+        }
+
+        public RangedUri getSegmentUrl(long segmentNum) {
+            return segmentIndex.getSegmentUrl(segmentNum - segmentNumShift);
+        }
+
+        public long getFirstAvailableSegmentNum(
+                SabrManifest manifest, int periodIndex, long nowUnixTimeUs) {
+            if (getSegmentCount() == SabrSegmentIndex.INDEX_UNBOUNDED
+                    && manifest.timeShiftBufferDepthMs != C.TIME_UNSET) {
+                // The index is itself unbounded. We need to use the current time to calculate the range of
+                // available segments.
+                long liveEdgeTimeUs = nowUnixTimeUs - C.msToUs(manifest.availabilityStartTimeMs);
+                long periodStartUs = C.msToUs(manifest.getPeriod(periodIndex).startMs);
+                long liveEdgeTimeInPeriodUs = liveEdgeTimeUs - periodStartUs;
+                long bufferDepthUs = C.msToUs(manifest.timeShiftBufferDepthMs);
+                return Math.max(
+                        getFirstSegmentNum(), getSegmentNum(liveEdgeTimeInPeriodUs - bufferDepthUs));
+            }
+            return getFirstSegmentNum();
+        }
+
+        public long getLastAvailableSegmentNum(
+                SabrManifest manifest, int periodIndex, long nowUnixTimeUs) {
+            int availableSegmentCount = getSegmentCount();
+            if (availableSegmentCount == SabrSegmentIndex.INDEX_UNBOUNDED) {
+                // The index is itself unbounded. We need to use the current time to calculate the range of
+                // available segments.
+                long liveEdgeTimeUs = nowUnixTimeUs - C.msToUs(manifest.availabilityStartTimeMs);
+                long periodStartUs = C.msToUs(manifest.getPeriod(periodIndex).startMs);
+                long liveEdgeTimeInPeriodUs = liveEdgeTimeUs - periodStartUs;
+                // getSegmentNum(liveEdgeTimeInPeriodUs) will not be completed yet, so subtract one to get
+                // the index of the last completed segment.
+                return getSegmentNum(liveEdgeTimeInPeriodUs) - 1;
+            }
+            return getFirstSegmentNum() + availableSegmentCount - 1;
+        }
+
+        private static boolean mimeTypeIsWebm(String mimeType) {
+            return mimeType.startsWith(MimeTypes.VIDEO_WEBM) || mimeType.startsWith(MimeTypes.AUDIO_WEBM)
+                    || mimeType.startsWith(MimeTypes.APPLICATION_WEBM);
+        }
+
+        private static boolean mimeTypeIsRawText(String mimeType) {
+            return MimeTypes.isText(mimeType) || MimeTypes.APPLICATION_TTML.equals(mimeType);
+        }
+
+
+        private static @Nullable ChunkExtractor createExtractorWrapper(
+                int trackType,
+                Representation representation,
+                boolean enableEventMessageTrack,
+                List<Format> closedCaptionFormats,
+                TrackOutput playerEmsgTrackOutput) {
+
+            String containerMimeType = representation.format.containerMimeType;
+            if (mimeTypeIsRawText(containerMimeType)) {
+                return null;
+            }
+
+            Extractor extractor = new SabrExtractor(trackType, representation.format);
+            return new BundledChunkExtractor(extractor, trackType, representation.format);
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/sabr/EventSampleStream.java

@@ -0,0 +1,151 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.futo.platformplayer.sabr;
+
+import androidx.media3.common.C;
+import androidx.media3.common.Format;
+import androidx.media3.common.util.UnstableApi;
+import androidx.media3.exoplayer.FormatHolder;
+import androidx.media3.decoder.DecoderInputBuffer;
+import androidx.media3.extractor.metadata.emsg.EventMessage;
+import androidx.media3.extractor.metadata.emsg.EventMessageEncoder;
+import androidx.media3.exoplayer.source.SampleStream;
+import com.futo.platformplayer.sabr.manifest.EventStream;
+import androidx.media3.common.util.Util;
+
+import java.io.IOException;
+
+/**
+ * A {@link SampleStream} consisting of serialized {@link EventMessage}s read from an
+ * {@link EventStream}.
+ */
+@UnstableApi
+/* package */ final class EventSampleStream implements SampleStream {
+
+  private final Format upstreamFormat;
+  private final EventMessageEncoder eventMessageEncoder;
+
+  private long[] eventTimesUs;
+  private boolean eventStreamAppendable;
+  private EventStream eventStream;
+
+  private boolean isFormatSentDownstream;
+  private int currentIndex;
+  private long pendingSeekPositionUs;
+
+  public EventSampleStream(
+      EventStream eventStream, Format upstreamFormat, boolean eventStreamAppendable) {
+    this.upstreamFormat = upstreamFormat;
+    this.eventStream = eventStream;
+    eventMessageEncoder = new EventMessageEncoder();
+    pendingSeekPositionUs = C.TIME_UNSET;
+    eventTimesUs = eventStream.presentationTimesUs;
+    updateEventStream(eventStream, eventStreamAppendable);
+  }
+
+  public String eventStreamId() {
+    return eventStream.id();
+  }
+
+  public void updateEventStream(EventStream eventStream, boolean eventStreamAppendable) {
+    long lastReadPositionUs = currentIndex == 0 ? C.TIME_UNSET : eventTimesUs[currentIndex - 1];
+
+    this.eventStreamAppendable = eventStreamAppendable;
+    this.eventStream = eventStream;
+    this.eventTimesUs = eventStream.presentationTimesUs;
+    if (pendingSeekPositionUs != C.TIME_UNSET) {
+      seekToUs(pendingSeekPositionUs);
+    } else if (lastReadPositionUs != C.TIME_UNSET) {
+      currentIndex =
+          Util.binarySearchCeil(
+              eventTimesUs, lastReadPositionUs, /* inclusive= */ false, /* stayInBounds= */ false);
+    }
+  }
+
+  /**
+   * Seeks to the specified position in microseconds.
+   *
+   * @param positionUs The seek position in microseconds.
+   */
+  public void seekToUs(long positionUs) {
+    currentIndex =
+        Util.binarySearchCeil(
+            eventTimesUs, positionUs, /* inclusive= */ true, /* stayInBounds= */ false);
+    boolean isPendingSeek = eventStreamAppendable && currentIndex == eventTimesUs.length;
+    pendingSeekPositionUs = isPendingSeek ? positionUs : C.TIME_UNSET;
+  }
+
+  @Override
+  public boolean isReady() {
+    return true;
+  }
+
+  @Override
+  public void maybeThrowError() throws IOException {
+    // Do nothing.
+  }
+
+  @Override
+  public int readData(
+          FormatHolder formatHolder,
+          DecoderInputBuffer buffer,
+          @SampleStream.ReadFlags int readFlags) {
+
+    final boolean requireFormat = (readFlags & SampleStream.FLAG_REQUIRE_FORMAT) != 0;
+    final boolean omitSampleData = (readFlags & SampleStream.FLAG_OMIT_SAMPLE_DATA) != 0;
+
+    if (requireFormat || !isFormatSentDownstream) {
+      formatHolder.format = upstreamFormat;
+      isFormatSentDownstream = true;
+      return C.RESULT_FORMAT_READ;
+    }
+
+    if (currentIndex == eventTimesUs.length) {
+      if (!eventStreamAppendable) {
+        buffer.setFlags(C.BUFFER_FLAG_END_OF_STREAM);
+        return C.RESULT_BUFFER_READ;
+      } else {
+        return C.RESULT_NOTHING_READ;
+      }
+    }
+
+    final int sampleIndex = currentIndex++;
+    final byte[] serializedEvent = eventMessageEncoder.encode(eventStream.events[sampleIndex]);
+    if (serializedEvent == null) {
+      return C.RESULT_NOTHING_READ;
+    }
+
+    buffer.setFlags(C.BUFFER_FLAG_KEY_FRAME);
+    buffer.timeUs = eventTimesUs[sampleIndex];
+
+    if (!omitSampleData) {
+      buffer.ensureSpaceForWrite(serializedEvent.length);
+      buffer.data.put(serializedEvent);
+    }
+
+    return C.RESULT_BUFFER_READ;
+  }
+
+  @Override
+  public int skipData(long positionUs) {
+    int newIndex =
+        Math.max(currentIndex, Util.binarySearchCeil(eventTimesUs, positionUs, true, false));
+    int skipped = newIndex - currentIndex;
+    currentIndex = newIndex;
+    return skipped;
+  }
+
+}

app/src/main/java/com/futo/platformplayer/sabr/ITagUtils.java

@@ -0,0 +1,109 @@
+package com.futo.platformplayer.sabr;
+
+import java.util.Arrays;
+import java.util.List;
+
+public final class ITagUtils {
+    public final static String AUDIO_68K_WEBM = "249";
+    public final static String AUDIO_89K_WEBM = "250";
+    public final static String AUDIO_133K_WEBM = "171";
+    public final static String AUDIO_156K_WEBM = "251";
+    public final static String AUDIO_48K_AAC = "139";
+    public final static String AUDIO_128K_AAC = "140";
+    public final static String VIDEO_144P_WEBM = "278";
+    public final static String VIDEO_144P_AVC = "160";
+    public final static String VIDEO_240P_WEBM = "242";
+    public final static String VIDEO_240P_AVC = "133";
+    public final static String VIDEO_360P_WEBM = "243";
+    public final static String VIDEO_360P_AVC = "134";
+    public final static String VIDEO_480P_WEBM = "244";
+    public final static String VIDEO_480P_AVC = "135";
+    public final static String VIDEO_720P_WEBM = "247";
+    public final static String VIDEO_720P_WEBM_60FPS_HDR = "334";
+    public final static String VIDEO_720P_AVC = "136";
+    public final static String VIDEO_720P_AVC_60FPS = "298";
+    public final static String VIDEO_1080P_WEBM = "248";
+    public final static String VIDEO_1080P_WEBM_60FPS_HDR = "335";
+    public final static String VIDEO_1080P_AVC = "137";
+    public final static String VIDEO_1080P_AVC_60FPS = "299";
+    public final static String VIDEO_1440P_WEBM = "271";
+    public final static String VIDEO_1440P_WEBM_60FPS_HDR = "336";
+    public final static String VIDEO_1440P_WEBM_60FPS = "308";
+    public final static String VIDEO_1440P_AVC = "264";
+    public final static String VIDEO_2160P_WEBM = "313";
+    public final static String VIDEO_2160P_WEBM_60FPS_HDR = "337";
+    public final static String VIDEO_2160P_WEBM_60FPS = "315";
+    public final static String VIDEO_2160P_AVC = "266";
+    public final static String VIDEO_2160P_AVC_HQ = "138";
+
+    public final static String MUXED_360P_WEBM = "43";
+    public final static String MUXED_360P_AVC = "18";
+    public final static String MUXED_720P_AVC = "22";
+
+    private final static List<String> sOrderedITagsAVC = Arrays.asList(
+            MUXED_360P_AVC, MUXED_720P_AVC,
+            AUDIO_48K_AAC, AUDIO_128K_AAC,
+            VIDEO_144P_AVC, VIDEO_240P_AVC,
+            VIDEO_360P_AVC, VIDEO_480P_AVC, VIDEO_720P_AVC, VIDEO_720P_AVC_60FPS,
+            VIDEO_1080P_AVC, VIDEO_1080P_AVC_60FPS, VIDEO_1440P_AVC, VIDEO_2160P_AVC, VIDEO_2160P_AVC_HQ);
+
+    private final static List<String> sOrderedITagsWEBM = Arrays.asList(
+            MUXED_360P_WEBM,
+            AUDIO_68K_WEBM, AUDIO_89K_WEBM, AUDIO_133K_WEBM, AUDIO_156K_WEBM,
+            VIDEO_144P_WEBM, VIDEO_240P_WEBM,
+            VIDEO_360P_WEBM, VIDEO_480P_WEBM, VIDEO_720P_WEBM, VIDEO_720P_WEBM_60FPS_HDR,
+            VIDEO_1080P_WEBM, VIDEO_1080P_WEBM_60FPS_HDR, VIDEO_1440P_WEBM, VIDEO_1440P_WEBM_60FPS_HDR, VIDEO_1440P_WEBM_60FPS,
+            VIDEO_2160P_WEBM, VIDEO_2160P_WEBM_60FPS_HDR, VIDEO_2160P_WEBM_60FPS);
+
+    private final static List<List<String>> sITagsContainer = Arrays.asList(sOrderedITagsAVC, sOrderedITagsWEBM);
+    public static final String AVC = "AVC";
+    public static final String WEBM = "VP9";
+
+    public static int compare(String leftITag, String rightITag) {
+        for (List<String> iTags : sITagsContainer) {
+            int left = iTags.indexOf(leftITag);
+            int right = iTags.indexOf(rightITag);
+            if (left != -1 && right != -1) {
+                return left - right;
+            }
+        }
+
+        // TODO: we can't be here
+        return 99;
+    }
+
+    public static boolean belongsToType(String type, String iTag) {
+        String realType = getRealType(iTag);
+        return type.equals(realType);
+    }
+
+    public static boolean belongsToType(String type, int iTag) {
+        String realType = getRealType(String.valueOf(iTag));
+        return type.equals(realType);
+    }
+
+    private static String getRealType(String iTag) {
+        if (sOrderedITagsAVC.contains(iTag)) {
+            return AVC;
+        }
+        return WEBM;
+    }
+
+    public static String getAudioRateByTag(String iTag) {
+        switch (iTag) {
+            case AUDIO_128K_AAC:
+                return "44100";
+            case AUDIO_48K_AAC:
+                return "22050";
+            case AUDIO_156K_WEBM:
+                return "48000";
+            case AUDIO_133K_WEBM:
+                return "44100";
+            case AUDIO_89K_WEBM:
+                return "48000";
+            case AUDIO_68K_WEBM:
+                return "48000";
+        }
+        return "44100";
+    }
+}

app/src/main/java/com/futo/platformplayer/sabr/MediaFormat.java

@@ -0,0 +1,45 @@
+package com.futo.platformplayer.sabr;
+
+import java.util.List;
+
+public interface MediaFormat extends Comparable<MediaFormat> {
+    int FORMAT_TYPE_DASH = 0;
+    int FORMAT_TYPE_REGULAR = 1;
+    int FORMAT_TYPE_SABR = 2;
+    // Common
+    int getFormatType();
+    String getUrl();
+    String getMimeType();
+    String getITag();
+    boolean isDrc();
+
+    // DASH
+    String getClen();
+    String getBitrate();
+    String getProjectionType();
+    String getXtags();
+    int getWidth();
+    int getHeight();
+    String getIndex();
+    String getInit();
+    String getFps();
+    String getLmt();
+    String getQualityLabel();
+    String getFormat();
+    boolean isOtf();
+    String getOtfInitUrl();
+    String getOtfTemplateUrl();
+    String getLanguage();
+    // DASH LIVE
+    String getTargetDurationSec();
+    String getLastModified();
+    String getMaxDvrDurationSec();
+
+    // Other/Regular
+    String getQuality();
+    String getSignature();
+    String getAudioSamplingRate();
+    String getSourceUrl();
+    List<String> getSegmentUrlList();
+    List<String> getGlobalSegmentList();
+}

app/src/main/java/com/futo/platformplayer/sabr/MediaFormatComparator.java

@@ -0,0 +1,60 @@
+package com.futo.platformplayer.sabr;
+
+import java.util.Comparator;
+
+public class MediaFormatComparator implements Comparator<MediaFormat> {
+    public static final int ORDER_DESCENDANT = 0;
+    public static final int ORDER_ASCENDANT = 1;
+    private int mOrderType = ORDER_DESCENDANT;
+
+    public MediaFormatComparator() {
+
+    }
+
+    public MediaFormatComparator(int orderType) {
+        mOrderType = orderType;
+    }
+
+    /**
+     * NOTE: Descendant sorting (better on top). High quality playback on external player.
+     */
+    @Override
+    public int compare(MediaFormat leftItem, MediaFormat rightItem) {
+        if (leftItem.getGlobalSegmentList() != null ||
+                rightItem.getGlobalSegmentList() != null) {
+            return 1;
+        }
+
+        if (mOrderType == ORDER_ASCENDANT) {
+            MediaFormat tmpItem = leftItem;
+            leftItem = rightItem;
+            rightItem = tmpItem;
+        }
+
+        int leftItemBitrate = leftItem.getBitrate() == null ? 0 : parseInt(leftItem.getBitrate());
+        int rightItemBitrate = rightItem.getBitrate() == null ? 0 : parseInt(rightItem.getBitrate());
+
+        int leftItemHeight = leftItem.getHeight();
+        int rightItemHeight = rightItem.getHeight();
+
+        int delta = rightItemHeight - leftItemHeight;
+
+        if (delta == 0) {
+            delta = rightItemBitrate - leftItemBitrate;
+        }
+
+        return delta;
+    }
+
+    public static boolean isNumeric(String s) {
+        return s != null && s.matches("^[-+]?\\d*\\.?\\d+$");
+    }
+
+    private int parseInt(String num) {
+        if (!isNumeric(num)) {
+            return 0;
+        }
+
+        return Integer.parseInt(num);
+    }
+}

app/src/main/java/com/futo/platformplayer/sabr/MediaFormatUtils.java

@@ -0,0 +1,122 @@
+package com.futo.platformplayer.sabr;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class MediaFormatUtils {
+    public static final String MIME_WEBM_AUDIO = "audio/webm";
+    public static final String MIME_WEBM_VIDEO = "video/webm";
+    public static final String MIME_MP4_AUDIO = "audio/mp4";
+    public static final String MIME_MP4_VIDEO = "video/mp4";
+    private static final Pattern CODECS_PATTERN = Pattern.compile(".*codecs=\\\"(.*)\\\"");
+
+    public static boolean isNumeric(String s) {
+        return s != null && s.matches("^[-+]?\\d*\\.?\\d+$");
+    }
+
+    public static boolean isDash(String id) {
+        if (!isNumeric(id)) {
+            return false;
+        }
+
+        int maxRegularITag = 50;
+        int itag = Integer.parseInt(id);
+
+        return itag > maxRegularITag;
+    }
+
+    public static boolean isDash(MediaFormat format) {
+        if (format.getITag() == null) {
+            return false;
+        }
+
+        if (format.getGlobalSegmentList() != null) {
+            return true;
+        }
+
+        String id = format.getITag();
+
+        return isDash(id);
+    }
+
+    public static boolean checkMediaUrl(MediaFormat format) {
+        return format != null && format.getUrl() != null;
+    }
+
+    public static String extractMimeType(MediaFormat format) {
+        if (format.getGlobalSegmentList() != null) {
+            return format.getMimeType();
+        }
+
+        String codecs = extractCodecs(format);
+
+        if (codecs.startsWith("vorbis") ||
+                codecs.startsWith("opus")) {
+            return MIME_WEBM_AUDIO;
+        }
+
+        if (codecs.startsWith("vp9") ||
+                codecs.startsWith("vp09")) {
+            return MIME_WEBM_VIDEO;
+        }
+
+        if (codecs.startsWith("mp4a") ||
+                codecs.startsWith("ec-3") ||
+                codecs.startsWith("ac-3")) {
+            return MIME_MP4_AUDIO;
+        }
+
+        if (codecs.startsWith("avc") ||
+                codecs.startsWith("av01")) {
+            return MIME_MP4_VIDEO;
+        }
+
+        return null;
+    }
+
+    public static String extractCodecs(MediaFormat format) {
+        // input example: video/mp4;+codecs="avc1.640033"
+        Matcher matcher = CODECS_PATTERN.matcher(format.getMimeType());
+        matcher.find();
+        return matcher.group(1);
+    }
+
+    public static boolean isLiveMedia(MediaFormat format) {
+        boolean isLive =
+                format.getUrl().contains("live=1") ||
+                        format.getUrl().contains("yt_live_broadcast");
+
+        return isLive;
+    }
+
+    private static String normalize(String word) {
+        if (word == null || word.isEmpty()) {
+            return word;
+        }
+
+        return word.toLowerCase().replace("ё", "е");
+    }
+
+    public static boolean startsWith(String word, String prefix) {
+        if (word == null && prefix == null) {
+            return true;
+        }
+
+        if (word == null || prefix == null) {
+            return false;
+        }
+
+        word = normalize(word);
+        prefix = normalize(prefix);
+
+        return word.startsWith(prefix);
+    }
+
+    public static boolean isAudio(String mimeType) {
+        return startsWith(mimeType, "audio");
+    }
+
+    public static boolean isVideo(String mimeType) {
+        return startsWith(mimeType, "video");
+    }
+}

app/src/main/java/com/futo/platformplayer/sabr/MediaItemFormatInfo.java

@@ -0,0 +1,58 @@
+package com.futo.platformplayer.sabr;
+
+import java.io.InputStream;
+import java.util.List;
+
+public interface MediaItemFormatInfo {
+    List<MediaFormat> getAdaptiveFormats();
+    List<MediaFormat> getUrlFormats();
+    List<MediaSubtitle> getSubtitles();
+    String getHlsManifestUrl();
+    String getDashManifestUrl();
+    // video metadata
+    String getLengthSeconds();
+    String getTitle();
+    String getAuthor();
+    String getViewCount();
+    String getDescription();
+    String getVideoId();
+    String getChannelId();
+    boolean isLive();
+    boolean isLiveContent();
+    boolean containsMedia();
+    boolean containsSabrFormats();
+    boolean containsDashFormats();
+    boolean containsHlsUrl();
+    boolean containsDashUrl();
+    boolean containsUrlFormats();
+    boolean hasExtendedHlsFormats();
+    float getVolumeLevel();
+    InputStream createMpdStream();
+    //Observable<InputStream> createMpdStreamObservable();
+    List<String> createUrlList();
+    MediaItemStoryboard createStoryboard();
+    boolean isUnplayable();
+    boolean isUnknownError();
+    String getPlayabilityStatus();
+    boolean isStreamSeekable();
+    /**
+     * Stream start time in UTC (!!!).<br/>
+     * E.g.: <b>2021-10-06T13:36:25+00:00</b>
+     */
+    String getStartTimestamp();
+    String getUploadDate();
+    /**
+     * Stream start time in UNIX format.<br/>
+     */
+    long getStartTimeMs();
+    /**
+     * Number of the stream first segment
+     */
+    int getStartSegmentNum();
+    /**
+     * Precise segment duration.<br/>
+     * Used inside live streams
+     */
+    int getSegmentDurationUs();
+    String getPaidContentText();
+}

app/src/main/java/com/futo/platformplayer/sabr/MediaItemStoryboard.java

@@ -0,0 +1,15 @@
+package com.futo.platformplayer.sabr;
+
+public interface MediaItemStoryboard {
+    int getGroupDurationMS();
+    Size getGroupSize();
+    String getGroupUrl(int imgNum);
+    interface Size {
+        int getDurationEachMS();
+        int getStartNum();
+        int getWidth();
+        int getHeight();
+        int getRowCount();
+        int getColCount();
+    }
+}

app/src/main/java/com/futo/platformplayer/sabr/MediaSubtitle.java

@@ -0,0 +1,20 @@
+package com.futo.platformplayer.sabr;
+
+public interface MediaSubtitle {
+    String getBaseUrl();
+    void setBaseUrl(String baseUrl);
+    boolean isTranslatable();
+    void setTranslatable(boolean translatable);
+    String getLanguageCode();
+    void setLanguageCode(String languageCode);
+    String getVssId();
+    void setVssId(String vssId);
+    String getName();
+    void setName(String name);
+    String getMimeType();
+    void setMimeType(String mimeType);
+    String getCodecs();
+    void setCodecs(String codecs);
+    String getType();
+    void setType(String type);
+}

app/src/main/java/com/futo/platformplayer/sabr/NullQueryString.java

@@ -0,0 +1,66 @@
+package com.futo.platformplayer.sabr;
+
+import androidx.annotation.NonNull;
+
+class NullQueryString implements UrlQueryString {
+    private final String mUrl;
+
+    private NullQueryString(String url) {
+        mUrl = url;
+    }
+
+    public static UrlQueryString parse(String url) {
+        return new NullQueryString(url);
+    }
+
+    @Override
+    public void remove(String key) {
+
+    }
+
+    @Override
+    public String get(String key) {
+        return null;
+    }
+
+    @Override
+    public float getFloat(String key) {
+        return 0;
+    }
+
+    @Override
+    public void set(String key, String value) {
+
+    }
+
+    @Override
+    public void set(String key, int value) {
+
+    }
+
+    @Override
+    public void set(String key, float value) {
+
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return true;
+    }
+
+    @Override
+    public boolean isValid() {
+        return false;
+    }
+
+    @NonNull
+    @Override
+    public String toString() {
+        return mUrl;
+    }
+
+    @Override
+    public boolean contains(String key) {
+        return false;
+    }
+}

app/src/main/java/com/futo/platformplayer/sabr/PathQueryString.java

@@ -0,0 +1,139 @@
+package com.futo.platformplayer.sabr;
+
+import androidx.annotation.NonNull;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Example: http://myurl.com/key1/value1/key2/value2/key3/value3<br/>
+ * Should contain at least one key/value pair: http://myurl.com/key/value/<br/>
+ * Regex: \/key\/([^\/]*)
+ */
+class PathQueryString implements UrlQueryString {
+    private static final Pattern VALIDATION_PATTERN = Pattern.compile("\\/[^\\/]+\\/[^\\/]+\\/[^\\/]+");
+    private static final Pattern ENDING_PATTERN = Pattern.compile("\\?.*");
+    private String mUrl;
+
+    public static String replace(String content, Pattern oldVal, String newVal) {
+        if (content == null) {
+            return null;
+        }
+
+        return oldVal.matcher(content).replaceFirst(newVal);
+    }
+
+    public PathQueryString(String url) {
+        mUrl = replace(url, ENDING_PATTERN, "");
+    }
+
+    @Override
+    public String get(String key) {
+        if (mUrl == null) {
+            return null;
+        }
+
+        final String template = "\\/%s\\/([^\\/]*)";
+        Pattern pattern = Pattern.compile(String.format(template, key));
+        Matcher matcher = pattern.matcher(mUrl);
+        boolean result = matcher.find();
+        return result ? matcher.group(1) : null;
+    }
+
+    @Override
+    public float getFloat(String key) {
+        String val = get(key);
+        return val != null ? Float.parseFloat(val) : 0;
+    }
+
+    @Override
+    public void set(String key, String value) {
+        if (mUrl == null) {
+            return;
+        }
+
+        if (value == null) {
+            return;
+        }
+
+        if (!replace(key, value)) {
+            String pattern = mUrl.endsWith("/") ? "%s/%s" : "/%s/%s";
+            mUrl += String.format(pattern, key, value);
+        }
+    }
+
+    @Override
+    public void set(String key, float value) {
+        set(key, String.valueOf(value));
+    }
+
+    @Override
+    public void set(String key, int value) {
+        set(key, String.valueOf(value));
+    }
+
+    private boolean replace(String key, String newValue) {
+        if (mUrl == null) {
+            return false;
+        }
+
+        String originUrl = mUrl;
+
+        final String template = "\\/%s\\/[^\\/]*";
+        mUrl = mUrl.replaceAll(
+                String.format(template, key),
+                String.format("\\/%s\\/%s", key, newValue));
+
+        return !mUrl.equals(originUrl);
+    }
+
+    @Override
+    public void remove(String key) {
+        if (mUrl == null) {
+            return;
+        }
+
+        final String template = "\\/%s\\/[^\\/]*";
+        mUrl = mUrl.replaceAll(String.format(template, key), "");
+    }
+
+    @NonNull
+    @Override
+    public String toString() {
+        return mUrl;
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return mUrl == null || mUrl.isEmpty();
+    }
+
+    public static PathQueryString parse(String url) {
+        return new PathQueryString(url);
+    }
+
+    public static boolean matchAll(String input, Pattern... patterns) {
+        for (Pattern pattern : patterns) {
+            Matcher matcher = pattern.matcher(input);
+            if (!matcher.find()) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    @Override
+    public boolean isValid() {
+        if (mUrl == null) {
+            return false;
+        }
+
+        return matchAll(mUrl, VALIDATION_PATTERN);
+    }
+
+    @Override
+    public boolean contains(String key) {
+        return get(key) != null;
+    }
+}

app/src/main/java/com/futo/platformplayer/sabr/PlayerEmsgHandler.java

@@ -0,0 +1,323 @@
+package com.futo.platformplayer.sabr;
+
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+
+import androidx.annotation.Nullable;
+
+import androidx.media3.common.C;
+import androidx.media3.common.DataReader;
+import androidx.media3.common.Format;
+import androidx.media3.common.util.UnstableApi;
+import androidx.media3.exoplayer.FormatHolder;
+import androidx.media3.common.ParserException;
+import androidx.media3.extractor.ExtractorInput;
+import androidx.media3.extractor.TrackOutput;
+import androidx.media3.common.Metadata;
+import androidx.media3.extractor.metadata.MetadataInputBuffer;
+import androidx.media3.extractor.metadata.emsg.EventMessage;
+import androidx.media3.extractor.metadata.emsg.EventMessageDecoder;
+import androidx.media3.exoplayer.source.SampleQueue;
+import androidx.media3.exoplayer.source.chunk.Chunk;
+import com.futo.platformplayer.sabr.manifest.SabrManifest;
+import androidx.media3.exoplayer.upstream.Allocator;
+import androidx.media3.common.util.ParsableByteArray;
+import androidx.media3.common.util.Util;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.TreeMap;
+
+@UnstableApi
+public final class PlayerEmsgHandler implements Handler.Callback {
+    /** Callbacks for player emsg events encountered during DASH live stream. */
+    public interface PlayerEmsgCallback {
+
+        /** Called when the current manifest should be refreshed. */
+        void onDashManifestRefreshRequested();
+
+        /**
+         * Called when the manifest with the publish time has been expired.
+         *
+         * @param expiredManifestPublishTimeUs The manifest publish time that has been expired.
+         */
+        void onDashManifestPublishTimeExpired(long expiredManifestPublishTimeUs);
+    }
+
+    private final Allocator allocator;
+    private final PlayerEmsgCallback playerEmsgCallback;
+    private final EventMessageDecoder decoder;
+    private SabrManifest manifest;
+    private final Handler handler;
+    private final TreeMap<Long, Long> manifestPublishTimeToExpiryTimeUs;
+
+    private long expiredManifestPublishTimeUs;
+    private long lastLoadedChunkEndTimeUs;
+    private long lastLoadedChunkEndTimeBeforeRefreshUs;
+    private boolean isWaitingForManifestRefresh;
+    private boolean released;
+
+    /**
+     * @param manifest The initial manifest.
+     * @param playerEmsgCallback The callback that this event handler can invoke when handling emsg
+     *     messages that generate DASH media source events.
+     * @param allocator An {@link Allocator} from which allocations can be obtained.
+     */
+    public PlayerEmsgHandler(
+            SabrManifest manifest, PlayerEmsgCallback playerEmsgCallback, Allocator allocator) {
+        this.manifest = manifest;
+        this.playerEmsgCallback = playerEmsgCallback;
+        this.allocator = allocator;
+
+        manifestPublishTimeToExpiryTimeUs = new TreeMap<>();
+        handler = Util.createHandlerForCurrentLooper(/* callback= */ this);
+        decoder = new EventMessageDecoder();
+    }
+
+    /**
+     * Updates the {@link SabrManifest} that this handler works on.
+     *
+     * @param newManifest The updated manifest.
+     */
+    public void updateManifest(SabrManifest newManifest) {
+        isWaitingForManifestRefresh = false;
+        expiredManifestPublishTimeUs = C.TIME_UNSET;
+        this.manifest = newManifest;
+        removePreviouslyExpiredManifestPublishTimeValues();
+    }
+
+    /* package */ boolean maybeRefreshManifestBeforeLoadingNextChunk(long presentationPositionUs) {
+        if (!manifest.dynamic) {
+            return false;
+        }
+        if (isWaitingForManifestRefresh) {
+            return true;
+        }
+        boolean manifestRefreshNeeded = false;
+        // Find the smallest publishTime (greater than or equal to the current manifest's publish time)
+        // that has a corresponding expiry time.
+        Map.Entry<Long, Long> expiredEntry = ceilingExpiryEntryForPublishTime(manifest.publishTimeMs);
+        if (expiredEntry != null) {
+            long expiredPointUs = expiredEntry.getValue();
+            if (expiredPointUs < presentationPositionUs) {
+                expiredManifestPublishTimeUs = expiredEntry.getKey();
+                notifyManifestPublishTimeExpired();
+                manifestRefreshNeeded = true;
+            }
+        }
+        if (manifestRefreshNeeded) {
+            maybeNotifyDashManifestRefreshNeeded();
+        }
+        return manifestRefreshNeeded;
+    }
+
+    /**
+     * For live streaming with emsg event stream, forward seeking can seek pass the emsg messages that
+     * signals end-of-stream or Manifest expiry, which results in load error. In this case, we should
+     * notify the Dash media source to refresh its manifest.
+     *
+     * @param chunk The chunk whose load encountered the error.
+     * @return True if manifest refresh has been requested, false otherwise.
+     */
+    /* package */ boolean maybeRefreshManifestOnLoadingError(Chunk chunk) {
+        if (!manifest.dynamic) {
+            return false;
+        }
+        if (isWaitingForManifestRefresh) {
+            return true;
+        }
+        boolean isAfterForwardSeek =
+                lastLoadedChunkEndTimeUs != C.TIME_UNSET && lastLoadedChunkEndTimeUs < chunk.startTimeUs;
+        if (isAfterForwardSeek) {
+            // if we are after a forward seek, and the playback is dynamic with embedded emsg stream,
+            // there's a chance that we have seek over the emsg messages, in which case we should ask
+            // media source for a refresh.
+            maybeNotifyDashManifestRefreshNeeded();
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Called when the a new chunk in the current media stream has been loaded.
+     *
+     * @param chunk The chunk whose load has been completed.
+     */
+    /* package */ void onChunkLoadCompleted(Chunk chunk) {
+        if (lastLoadedChunkEndTimeUs == C.TIME_UNSET || chunk.endTimeUs > lastLoadedChunkEndTimeUs) {
+            lastLoadedChunkEndTimeUs = chunk.endTimeUs;
+        }
+    }
+
+    private @Nullable Map.Entry<Long, Long> ceilingExpiryEntryForPublishTime(long publishTimeMs) {
+        return manifestPublishTimeToExpiryTimeUs.ceilingEntry(publishTimeMs);
+    }
+
+    private void removePreviouslyExpiredManifestPublishTimeValues() {
+        for (Iterator<Entry<Long, Long>> it =
+             manifestPublishTimeToExpiryTimeUs.entrySet().iterator();
+             it.hasNext(); ) {
+            Map.Entry<Long, Long> entry = it.next();
+            long expiredManifestPublishTime = entry.getKey();
+            if (expiredManifestPublishTime < manifest.publishTimeMs) {
+                it.remove();
+            }
+        }
+    }
+
+    private void notifyManifestPublishTimeExpired() {
+        playerEmsgCallback.onDashManifestPublishTimeExpired(expiredManifestPublishTimeUs);
+    }
+
+    /** Requests DASH media manifest to be refreshed if necessary. */
+    private void maybeNotifyDashManifestRefreshNeeded() {
+        if (lastLoadedChunkEndTimeBeforeRefreshUs != C.TIME_UNSET
+                && lastLoadedChunkEndTimeBeforeRefreshUs == lastLoadedChunkEndTimeUs) {
+            // Already requested manifest refresh.
+            return;
+        }
+        isWaitingForManifestRefresh = true;
+        lastLoadedChunkEndTimeBeforeRefreshUs = lastLoadedChunkEndTimeUs;
+        playerEmsgCallback.onDashManifestRefreshRequested();
+    }
+
+    /** Returns a {@link TrackOutput} that emsg messages could be written to. */
+    public PlayerTrackEmsgHandler newPlayerTrackEmsgHandler() {
+        return new PlayerTrackEmsgHandler(SampleQueue.createWithoutDrm(allocator));
+    }
+
+    /** Release this emsg handler. It should not be reused after this call. */
+    public void release() {
+        released = true;
+    }
+
+    @Override
+    public boolean handleMessage(Message message) {
+        if (released) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Returns whether an event with given schemeIdUri and value is a DASH emsg event targeting the
+     * player.
+     */
+    public static boolean isPlayerEmsgEvent(String schemeIdUri, String value) {
+        return "urn:mpeg:sabr:event:2025".equals(schemeIdUri)
+                && ("1".equals(value) || "2".equals(value) || "3".equals(value));
+    }
+
+    /** Handles emsg messages for a specific track for the player. */
+    public final class PlayerTrackEmsgHandler implements TrackOutput {
+        private final SampleQueue sampleQueue;
+        private final FormatHolder formatHolder;
+        private final MetadataInputBuffer buffer;
+
+        private long maxLoadedChunkEndTimeUs;
+
+        public PlayerTrackEmsgHandler(SampleQueue sampleQueue) {
+            this.sampleQueue = sampleQueue;
+            this.formatHolder = new FormatHolder();
+            this.buffer = new MetadataInputBuffer();
+            this.maxLoadedChunkEndTimeUs = C.TIME_UNSET;
+        }
+
+        @Override
+        public void format(Format format) {
+            sampleQueue.format(format);
+        }
+
+        @Override
+        public int sampleData(
+                DataReader input, int length, boolean allowEndOfInput, @SampleDataPart int sampleDataPart)
+                throws IOException {
+            return sampleQueue.sampleData(input, length, allowEndOfInput);
+        }
+
+        @Override
+        public void sampleData(ParsableByteArray data, int length, @SampleDataPart int sampleDataPart) {
+            sampleQueue.sampleData(data, length);
+        }
+
+        @Override
+        public void sampleMetadata(
+                long timeUs, int flags, int size, int offset, @Nullable CryptoData encryptionData) {
+            sampleQueue.sampleMetadata(timeUs, flags, size, offset, encryptionData);
+            parseAndDiscardSamples();
+        }
+
+        /** For live streaming: check expiry before loading the next chunk. */
+        public boolean maybeRefreshManifestBeforeLoadingNextChunk(long presentationPositionUs) {
+            return PlayerEmsgHandler.this.maybeRefreshManifestBeforeLoadingNextChunk(presentationPositionUs);
+        }
+
+        /** Called when a new chunk finished loading. */
+        public void onChunkLoadCompleted(Chunk chunk) {
+            if (maxLoadedChunkEndTimeUs == C.TIME_UNSET || chunk.endTimeUs > maxLoadedChunkEndTimeUs) {
+                maxLoadedChunkEndTimeUs = chunk.endTimeUs;
+            }
+            PlayerEmsgHandler.this.onChunkLoadCompleted(chunk);
+        }
+
+        /** Called when a chunk load errored; may trigger a manifest refresh. */
+        public boolean maybeRefreshManifestOnLoadingError(Chunk chunk) {
+            return PlayerEmsgHandler.this.maybeRefreshManifestOnLoadingError(chunk);
+        }
+
+        /** Release this track emsg handler. It should not be reused after this call. */
+        public void release() {
+            sampleQueue.release();
+        }
+
+        private void parseAndDiscardSamples() {
+            while (sampleQueue.isReady(/* loadingFinished= */ false)) {
+                MetadataInputBuffer inputBuffer = dequeueSample();
+                if (inputBuffer == null) {
+                    continue;
+                }
+                long eventTimeUs = inputBuffer.timeUs;
+                Metadata metadata = decoder.decode(inputBuffer);
+                if (metadata == null) {
+                    continue;
+                }
+                EventMessage eventMessage = (EventMessage) metadata.get(0);
+                if (isPlayerEmsgEvent(eventMessage.schemeIdUri, eventMessage.value)) {
+                    parsePlayerEmsgEvent(eventTimeUs, eventMessage);
+                }
+            }
+            sampleQueue.discardToRead();
+        }
+
+        private void parsePlayerEmsgEvent(long eventTimeUs, EventMessage eventMessage) {
+            // NOP
+        }
+
+        @Nullable
+        private MetadataInputBuffer dequeueSample() {
+            buffer.clear();
+            int result = sampleQueue.read(
+                    formatHolder, buffer, /* readFlags= */ 0, /* loadingFinished= */ false);
+            if (result == C.RESULT_BUFFER_READ) {
+                buffer.flip();
+                return buffer;
+            }
+            return null;
+        }
+    }
+
+    /** Holds information related to a manifest expiry event. */
+    private static final class ManifestExpiryEventInfo {
+
+        public final long eventTimeUs;
+        public final long manifestPublishTimeMsInEmsg;
+
+        public ManifestExpiryEventInfo(long eventTimeUs, long manifestPublishTimeMsInEmsg) {
+            this.eventTimeUs = eventTimeUs;
+            this.manifestPublishTimeMsInEmsg = manifestPublishTimeMsInEmsg;
+        }
+    }
+}

app/src/main/java/com/futo/platformplayer/sabr/SabrChunkSource.java

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.futo.platformplayer.sabr;
+
+import android.os.SystemClock;
+
+import androidx.annotation.Nullable;
+
+import androidx.media3.common.Format;
+import androidx.media3.common.util.UnstableApi;
+import androidx.media3.exoplayer.source.chunk.ChunkSource;
+import com.futo.platformplayer.sabr.PlayerEmsgHandler.PlayerTrackEmsgHandler;
+import com.futo.platformplayer.sabr.manifest.SabrManifest;
+import androidx.media3.exoplayer.trackselection.ExoTrackSelection;
+import androidx.media3.exoplayer.upstream.LoaderErrorThrower;
+import androidx.media3.datasource.TransferListener;
+
+import java.util.List;
+
+/**
+ * An {@link ChunkSource} for DASH streams.
+ */
+@UnstableApi
+public interface SabrChunkSource extends ChunkSource {
+
+  /** Factory for {@link SabrChunkSource}s. */
+  interface Factory {
+
+    /**
+     * @param manifestLoaderErrorThrower Throws errors affecting loading of manifests.
+     * @param manifest The initial manifest.
+     * @param periodIndex The index of the corresponding period in the manifest.
+     * @param adaptationSetIndices The indices of the corresponding adaptation sets in the period.
+     * @param trackSelection The track selection.
+     * @param elapsedRealtimeOffsetMs If known, an estimate of the instantaneous difference between
+     *     server-side unix time and {@link SystemClock#elapsedRealtime()} in milliseconds,
+     *     specified as the server's unix time minus the local elapsed time. If unknown, set to 0.
+     * @param enableEventMessageTrack Whether to output an event message track.
+     * @param closedCaptionFormats The {@link Format Formats} of closed caption tracks to be output.
+     * @param transferListener The transfer listener which should be informed of any data transfers.
+     *     May be null if no listener is available.
+     * @return The created {@link SabrChunkSource}.
+     */
+    SabrChunkSource createSabrChunkSource(
+        LoaderErrorThrower manifestLoaderErrorThrower,
+        SabrManifest manifest,
+        int periodIndex,
+        int[] adaptationSetIndices,
+        ExoTrackSelection trackSelection,
+        int type,
+        long elapsedRealtimeOffsetMs,
+        boolean enableEventMessageTrack,
+        List<Format> closedCaptionFormats,
+        @Nullable PlayerTrackEmsgHandler playerEmsgHandler,
+        @Nullable TransferListener transferListener);
+  }
+
+  /**
+   * Updates the manifest.
+   *
+   * @param newManifest The new manifest.
+   */
+  void updateManifest(SabrManifest newManifest, int periodIndex);
+
+  /**
+   * Updates the track selection.
+   *
+   * @param trackSelection The new track selection instance. Must be equivalent to the previous one.
+   */
+  void updateTrackSelection(ExoTrackSelection trackSelection);
+}

app/src/main/java/com/futo/platformplayer/sabr/SabrMediaPeriod.java

@@ -0,0 +1,733 @@
+package com.futo.platformplayer.sabr;
+
+import android.util.Pair;
+import android.util.SparseIntArray;
+
+import androidx.annotation.IntDef;
+import androidx.annotation.Nullable;
+
+import androidx.media3.common.C;
+import androidx.media3.common.Format;
+import androidx.media3.common.util.UnstableApi;
+import androidx.media3.exoplayer.LoadingInfo;
+import androidx.media3.exoplayer.SeekParameters;
+import androidx.media3.exoplayer.drm.DrmSessionEventListener;
+import androidx.media3.exoplayer.drm.DrmSessionManager;
+import androidx.media3.exoplayer.source.CompositeSequenceableLoaderFactory;
+import androidx.media3.exoplayer.source.EmptySampleStream;
+import androidx.media3.exoplayer.source.MediaPeriod;
+import androidx.media3.exoplayer.source.MediaSourceEventListener.EventDispatcher;
+import androidx.media3.exoplayer.source.SampleStream;
+import androidx.media3.exoplayer.source.SequenceableLoader;
+import androidx.media3.common.TrackGroup;
+import androidx.media3.exoplayer.source.TrackGroupArray;
+import androidx.media3.exoplayer.source.chunk.ChunkSampleStream;
+import androidx.media3.exoplayer.source.chunk.ChunkSampleStream.EmbeddedSampleStream;
+import com.futo.platformplayer.sabr.PlayerEmsgHandler.PlayerEmsgCallback;
+import com.futo.platformplayer.sabr.PlayerEmsgHandler.PlayerTrackEmsgHandler;
+import com.futo.platformplayer.sabr.SabrChunkSource.Factory;
+import com.futo.platformplayer.sabr.manifest.AdaptationSet;
+import com.futo.platformplayer.sabr.manifest.EventStream;
+import com.futo.platformplayer.sabr.manifest.Period;
+import com.futo.platformplayer.sabr.manifest.Representation;
+import com.futo.platformplayer.sabr.manifest.SabrManifest;
+import androidx.media3.exoplayer.trackselection.ExoTrackSelection;
+import androidx.media3.exoplayer.upstream.Allocator;
+import androidx.media3.exoplayer.upstream.LoadErrorHandlingPolicy;
+import androidx.media3.exoplayer.upstream.LoaderErrorThrower;
+import androidx.media3.datasource.TransferListener;
+import androidx.media3.common.MimeTypes;
+import androidx.media3.common.util.Util;
+
+import java.io.IOException;
+import java.lang.annotation.Documented;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.IdentityHashMap;
+import java.util.List;
+import java.util.regex.Matcher;
+
+@UnstableApi
+final class SabrMediaPeriod implements MediaPeriod, SequenceableLoader.Callback<ChunkSampleStream<SabrChunkSource>>, ChunkSampleStream.ReleaseCallback<SabrChunkSource> {
+    /* package */ final int id;
+    private final Factory chunkSourceFactory;
+    @Nullable
+    private final TransferListener transferListener;
+    private final LoadErrorHandlingPolicy loadErrorHandlingPolicy;
+    private final EventDispatcher eventDispatcher;
+    private final long elapsedRealtimeOffsetMs;
+    private final LoaderErrorThrower manifestLoaderErrorThrower;
+    private final TrackGroupArray trackGroups;
+    private final TrackGroupInfo[] trackGroupInfos;
+    private final Allocator allocator;
+    private final CompositeSequenceableLoaderFactory compositeSequenceableLoaderFactory;
+    private final PlayerEmsgHandler playerEmsgHandler;
+    private final IdentityHashMap<ChunkSampleStream<SabrChunkSource>, PlayerTrackEmsgHandler>
+            trackEmsgHandlerBySampleStream;
+
+    private @Nullable Callback callback;
+    private ChunkSampleStream<SabrChunkSource>[] sampleStreams;
+    private SequenceableLoader compositeSequenceableLoader;
+    private EventSampleStream[] eventSampleStreams;
+    private SabrManifest manifest;
+    private int periodIndex;
+    private List<EventStream> eventStreams;
+    private boolean notifiedReadingStarted;
+    private final DrmSessionManager drmSessionManager;
+    private final DrmSessionEventListener.EventDispatcher drmEventDispatcher;
+
+    public SabrMediaPeriod(
+            int id,
+            SabrManifest manifest,
+            int periodIndex,
+            SabrChunkSource.Factory chunkSourceFactory,
+            @Nullable TransferListener transferListener,
+            LoadErrorHandlingPolicy loadErrorHandlingPolicy,
+            EventDispatcher eventDispatcher,
+            long elapsedRealtimeOffsetMs,
+            LoaderErrorThrower manifestLoaderErrorThrower,
+            Allocator allocator,
+            CompositeSequenceableLoaderFactory compositeSequenceableLoaderFactory,
+            PlayerEmsgCallback playerEmsgCallback) {
+        this.id = id;
+        this.manifest = manifest;
+        this.periodIndex = periodIndex;
+        this.chunkSourceFactory = chunkSourceFactory;
+        this.transferListener = transferListener;
+        this.loadErrorHandlingPolicy = loadErrorHandlingPolicy;
+        this.eventDispatcher = eventDispatcher;
+        this.elapsedRealtimeOffsetMs = elapsedRealtimeOffsetMs;
+        this.manifestLoaderErrorThrower = manifestLoaderErrorThrower;
+        this.allocator = allocator;
+        this.compositeSequenceableLoaderFactory = compositeSequenceableLoaderFactory;
+        playerEmsgHandler = new PlayerEmsgHandler(manifest, playerEmsgCallback, allocator);
+        sampleStreams = newSampleStreamArray(0);
+        eventSampleStreams = new EventSampleStream[0];
+        trackEmsgHandlerBySampleStream = new IdentityHashMap<>();
+        compositeSequenceableLoader =
+                compositeSequenceableLoaderFactory.createCompositeSequenceableLoader(sampleStreams);
+        Period period = manifest.getPeriod(periodIndex);
+        Pair<TrackGroupArray, TrackGroupInfo[]> result = buildTrackGroups(period.adaptationSets);
+        trackGroups = result.first;
+        trackGroupInfos = result.second;
+        this.drmSessionManager = DrmSessionManager.DRM_UNSUPPORTED;
+        this.drmEventDispatcher = new DrmSessionEventListener.EventDispatcher();
+    }
+
+    @Override
+    public boolean isLoading() {
+        return compositeSequenceableLoader.isLoading();
+    }
+
+    @Override
+    public void prepare(Callback callback, long positionUs) {
+        this.callback = callback;
+        callback.onPrepared(this);
+    }
+
+    @Override
+    public void maybeThrowPrepareError() throws IOException {
+        manifestLoaderErrorThrower.maybeThrowError();
+    }
+
+    @Override
+    public TrackGroupArray getTrackGroups() {
+        return trackGroups;
+    }
+
+    @Override
+    public long selectTracks(
+            @Nullable ExoTrackSelection[] selections,
+            boolean[] mayRetainStreamFlags,
+            @Nullable SampleStream[] streams,
+            boolean[] streamResetFlags,
+            long positionUs) {
+        int[] streamIndexToTrackGroupIndex = getStreamIndexToTrackGroupIndex(selections);
+        releaseDisabledStreams(selections, mayRetainStreamFlags, streams);
+        releaseOrphanEmbeddedStreams(selections, streams, streamIndexToTrackGroupIndex);
+        selectNewStreams(
+                selections, streams, streamResetFlags, positionUs, streamIndexToTrackGroupIndex);
+
+        ArrayList<ChunkSampleStream<SabrChunkSource>> sampleStreamList = new ArrayList<>();
+        ArrayList<EventSampleStream> eventSampleStreamList = new ArrayList<>();
+        for (SampleStream sampleStream : streams) {
+            if (sampleStream instanceof ChunkSampleStream) {
+                @SuppressWarnings("unchecked")
+                ChunkSampleStream<SabrChunkSource> stream =
+                        (ChunkSampleStream<SabrChunkSource>) sampleStream;
+                sampleStreamList.add(stream);
+            } else if (sampleStream instanceof EventSampleStream) {
+                eventSampleStreamList.add((EventSampleStream) sampleStream);
+            }
+        }
+        sampleStreams = newSampleStreamArray(sampleStreamList.size());
+        sampleStreamList.toArray(sampleStreams);
+        eventSampleStreams = new EventSampleStream[eventSampleStreamList.size()];
+        eventSampleStreamList.toArray(eventSampleStreams);
+
+        compositeSequenceableLoader =
+                compositeSequenceableLoaderFactory.createCompositeSequenceableLoader(sampleStreams);
+        return positionUs;
+    }
+
+    @Override
+    public void discardBuffer(long positionUs, boolean toKeyframe) {
+        for (ChunkSampleStream<SabrChunkSource> sampleStream : sampleStreams) {
+            sampleStream.discardBuffer(positionUs, toKeyframe);
+        }
+    }
+
+    @Override
+    public long readDiscontinuity() {
+        if (!notifiedReadingStarted) {
+            notifiedReadingStarted = true;
+        }
+        return C.TIME_UNSET;
+    }
+
+    @Override
+    public long seekToUs(long positionUs) {
+        for (ChunkSampleStream<SabrChunkSource> sampleStream : sampleStreams) {
+            sampleStream.seekToUs(positionUs);
+        }
+        for (EventSampleStream sampleStream : eventSampleStreams) {
+            sampleStream.seekToUs(positionUs);
+        }
+        return positionUs;
+    }
+
+    @Override
+    public long getAdjustedSeekPositionUs(long positionUs, SeekParameters seekParameters) {
+        for (ChunkSampleStream<SabrChunkSource> sampleStream : sampleStreams) {
+            if (sampleStream.primaryTrackType == C.TRACK_TYPE_VIDEO) {
+                return sampleStream.getAdjustedSeekPositionUs(positionUs, seekParameters);
+            }
+        }
+        return positionUs;
+    }
+
+    @Override
+    public long getBufferedPositionUs() {
+        return compositeSequenceableLoader.getBufferedPositionUs();
+    }
+
+    @Override
+    public long getNextLoadPositionUs() {
+        return compositeSequenceableLoader.getNextLoadPositionUs();
+    }
+
+    @Override
+    public boolean continueLoading(LoadingInfo loadingInfo) {
+        return compositeSequenceableLoader.continueLoading(loadingInfo);
+    }
+
+    @Override
+    public void reevaluateBuffer(long positionUs) {
+        compositeSequenceableLoader.reevaluateBuffer(positionUs);
+    }
+
+    // SequenceableLoader.Callback implementation.
+    @Override
+    public void onContinueLoadingRequested(ChunkSampleStream<SabrChunkSource> source) {
+        callback.onContinueLoadingRequested(this);
+    }
+
+    @Override
+    public synchronized void onSampleStreamReleased(ChunkSampleStream<SabrChunkSource> stream) {
+        PlayerTrackEmsgHandler trackEmsgHandler = trackEmsgHandlerBySampleStream.remove(stream);
+        if (trackEmsgHandler != null) {
+            trackEmsgHandler.release();
+        }
+    }
+
+    /**
+     * Updates the {@link SabrManifest} and the index of this period in the manifest.
+     *
+     * @param manifest The updated manifest.
+     * @param periodIndex the new index of this period in the updated manifest.
+     */
+    public void updateManifest(SabrManifest manifest, int periodIndex) {
+        this.manifest = manifest;
+        this.periodIndex = periodIndex;
+        playerEmsgHandler.updateManifest(manifest);
+        if (sampleStreams != null) {
+            for (ChunkSampleStream<SabrChunkSource> sampleStream : sampleStreams) {
+                sampleStream.getChunkSource().updateManifest(manifest, periodIndex);
+            }
+            callback.onContinueLoadingRequested(this);
+        }
+    }
+
+    public void release() {
+        playerEmsgHandler.release();
+        for (ChunkSampleStream<SabrChunkSource> sampleStream : sampleStreams) {
+            sampleStream.release(this);
+        }
+        callback = null;
+    }
+
+
+    @SuppressWarnings("unchecked")
+    private static ChunkSampleStream<SabrChunkSource>[] newSampleStreamArray(int length) {
+        return new ChunkSampleStream[length];
+    }
+
+    private static Pair<TrackGroupArray, TrackGroupInfo[]> buildTrackGroups(
+            List<AdaptationSet> adaptationSets) {
+        int[][] groupedAdaptationSetIndices = getGroupedAdaptationSetIndices(adaptationSets);
+
+        int primaryGroupCount = groupedAdaptationSetIndices.length;
+        boolean[] primaryGroupHasEventMessageTrackFlags = new boolean[primaryGroupCount];
+        Format[][] primaryGroupCea608TrackFormats = new Format[primaryGroupCount][];
+        int totalEmbeddedTrackGroupCount =
+                identifyEmbeddedTracks(
+                        primaryGroupCount,
+                        adaptationSets,
+                        groupedAdaptationSetIndices,
+                        primaryGroupHasEventMessageTrackFlags,
+                        primaryGroupCea608TrackFormats);
+
+        int totalGroupCount = primaryGroupCount + totalEmbeddedTrackGroupCount;
+        TrackGroup[] trackGroups = new TrackGroup[totalGroupCount];
+        TrackGroupInfo[] trackGroupInfos = new TrackGroupInfo[totalGroupCount];
+
+        int trackGroupCount =
+                buildPrimaryAndEmbeddedTrackGroupInfos(
+                        adaptationSets,
+                        groupedAdaptationSetIndices,
+                        primaryGroupCount,
+                        primaryGroupHasEventMessageTrackFlags,
+                        primaryGroupCea608TrackFormats,
+                        trackGroups,
+                        trackGroupInfos);
+
+        return Pair.create(new TrackGroupArray(trackGroups), trackGroupInfos);
+    }
+
+    private static int[][] getGroupedAdaptationSetIndices(List<AdaptationSet> adaptationSets) {
+        int adaptationSetCount = adaptationSets.size();
+        SparseIntArray idToIndexMap = new SparseIntArray(adaptationSetCount);
+        for (int i = 0; i < adaptationSetCount; i++) {
+            idToIndexMap.put(adaptationSets.get(i).id, i);
+        }
+
+        int[][] groupedAdaptationSetIndices = new int[adaptationSetCount][];
+        boolean[] adaptationSetUsedFlags = new boolean[adaptationSetCount];
+
+        int groupCount = 0;
+        for (int i = 0; i < adaptationSetCount; i++) {
+            if (adaptationSetUsedFlags[i]) {
+                // This adaptation set has already been included in a group.
+                continue;
+            }
+            adaptationSetUsedFlags[i] = true;
+            groupedAdaptationSetIndices[groupCount++] = new int[] {i};
+        }
+
+        return groupCount < adaptationSetCount
+                ? Arrays.copyOf(groupedAdaptationSetIndices, groupCount) : groupedAdaptationSetIndices;
+    }
+
+    /**
+     * Iterates through list of primary track groups and identifies embedded tracks.
+     *
+     * @param primaryGroupCount The number of primary track groups.
+     * @param adaptationSets The list of {@link AdaptationSet} of the current DASH period.
+     * @param groupedAdaptationSetIndices The indices of {@link AdaptationSet} that belongs to the
+     *     same primary group, grouped in primary track groups order.
+     * @param primaryGroupHasEventMessageTrackFlags An output array to be filled with flags indicating
+     *     whether each of the primary track groups contains an embedded event message track.
+     * @param primaryGroupCea608TrackFormats An output array to be filled with track formats for
+     *     CEA-608 tracks embedded in each of the primary track groups.
+     * @return Total number of embedded track groups.
+     */
+    private static int identifyEmbeddedTracks(
+            int primaryGroupCount,
+            List<AdaptationSet> adaptationSets,
+            int[][] groupedAdaptationSetIndices,
+            boolean[] primaryGroupHasEventMessageTrackFlags,
+            Format[][] primaryGroupCea608TrackFormats) {
+        int numEmbeddedTrackGroups = 0;
+        for (int i = 0; i < primaryGroupCount; i++) {
+            primaryGroupCea608TrackFormats[i] =
+                    getCea608TrackFormats(adaptationSets, groupedAdaptationSetIndices[i]);
+            if (primaryGroupCea608TrackFormats[i].length != 0) {
+                numEmbeddedTrackGroups++;
+            }
+        }
+        return numEmbeddedTrackGroups;
+    }
+
+    private static int buildPrimaryAndEmbeddedTrackGroupInfos(
+            List<AdaptationSet> adaptationSets,
+            int[][] groupedAdaptationSetIndices,
+            int primaryGroupCount,
+            boolean[] primaryGroupHasEventMessageTrackFlags,
+            Format[][] primaryGroupCea608TrackFormats,
+            TrackGroup[] trackGroups,
+            TrackGroupInfo[] trackGroupInfos) {
+        int trackGroupCount = 0;
+        for (int i = 0; i < primaryGroupCount; i++) {
+            int[] adaptationSetIndices = groupedAdaptationSetIndices[i];
+            List<Representation> representations = new ArrayList<>();
+            for (int adaptationSetIndex : adaptationSetIndices) {
+                representations.addAll(adaptationSets.get(adaptationSetIndex).representations);
+            }
+            Format[] formats = new Format[representations.size()];
+            for (int j = 0; j < formats.length; j++) {
+                formats[j] = representations.get(j).format;
+            }
+
+            AdaptationSet firstAdaptationSet = adaptationSets.get(adaptationSetIndices[0]);
+            int primaryTrackGroupIndex = trackGroupCount++;
+            int eventMessageTrackGroupIndex =
+                    primaryGroupHasEventMessageTrackFlags[i] ? trackGroupCount++ : C.INDEX_UNSET;
+            int cea608TrackGroupIndex =
+                    primaryGroupCea608TrackFormats[i].length != 0 ? trackGroupCount++ : C.INDEX_UNSET;
+
+            trackGroups[primaryTrackGroupIndex] = new TrackGroup(formats);
+            trackGroupInfos[primaryTrackGroupIndex] =
+                    TrackGroupInfo.primaryTrack(
+                            firstAdaptationSet.type,
+                            adaptationSetIndices,
+                            primaryTrackGroupIndex,
+                            eventMessageTrackGroupIndex,
+                            cea608TrackGroupIndex);
+            if (eventMessageTrackGroupIndex != C.INDEX_UNSET) {
+                Format format =
+                        new Format.Builder()
+                                .setId(firstAdaptationSet.id + ":emsg")
+                                .setSampleMimeType(MimeTypes.APPLICATION_EMSG)
+                                .build();
+                trackGroups[eventMessageTrackGroupIndex] = new TrackGroup(format);
+                trackGroupInfos[eventMessageTrackGroupIndex] =
+                        TrackGroupInfo.embeddedEmsgTrack(adaptationSetIndices, primaryTrackGroupIndex);
+            }
+            if (cea608TrackGroupIndex != C.INDEX_UNSET) {
+                trackGroups[cea608TrackGroupIndex] = new TrackGroup(primaryGroupCea608TrackFormats[i]);
+                trackGroupInfos[cea608TrackGroupIndex] =
+                        TrackGroupInfo.embeddedCea608Track(adaptationSetIndices, primaryTrackGroupIndex);
+            }
+        }
+        return trackGroupCount;
+    }
+
+    private static Format[] getCea608TrackFormats(
+            List<AdaptationSet> adaptationSets, int[] adaptationSetIndices) {
+        return new Format[0];
+    }
+
+    private int[] getStreamIndexToTrackGroupIndex(ExoTrackSelection[] selections) {
+        int[] streamIndexToTrackGroupIndex = new int[selections.length];
+        for (int i = 0; i < selections.length; i++) {
+            if (selections[i] != null) {
+                streamIndexToTrackGroupIndex[i] = trackGroups.indexOf(selections[i].getTrackGroup());
+            } else {
+                streamIndexToTrackGroupIndex[i] = C.INDEX_UNSET;
+            }
+        }
+        return streamIndexToTrackGroupIndex;
+    }
+
+    private void releaseDisabledStreams(ExoTrackSelection[] selections, boolean[] mayRetainStreamFlags, SampleStream[] streams) {
+        for (int i = 0; i < selections.length; i++) {
+            if (selections[i] == null || !mayRetainStreamFlags[i]) {
+                if (streams[i] instanceof ChunkSampleStream) {
+                    @SuppressWarnings("unchecked")
+                    ChunkSampleStream<SabrChunkSource> stream =
+                            (ChunkSampleStream<SabrChunkSource>) streams[i];
+                    stream.release(this);
+                } else if (streams[i] instanceof ChunkSampleStream.EmbeddedSampleStream) {
+                    ((EmbeddedSampleStream) streams[i]).release();
+                }
+                streams[i] = null;
+            }
+        }
+    }
+
+    private void releaseOrphanEmbeddedStreams(ExoTrackSelection[] selections, SampleStream[] streams, int[] streamIndexToTrackGroupIndex) {
+        for (int i = 0; i < selections.length; i++) {
+            if (streams[i] instanceof EmptySampleStream || streams[i] instanceof EmbeddedSampleStream) {
+                // We need to release an embedded stream if the corresponding primary stream is released.
+                int primaryStreamIndex = getPrimaryStreamIndex(i, streamIndexToTrackGroupIndex);
+                boolean mayRetainStream;
+                if (primaryStreamIndex == C.INDEX_UNSET) {
+                    // If the corresponding primary stream is not selected, we may retain an existing
+                    // EmptySampleStream.
+                    mayRetainStream = streams[i] instanceof EmptySampleStream;
+                } else {
+                    // If the corresponding primary stream is selected, we may retain the embedded stream if
+                    // the stream's parent still matches.
+                    mayRetainStream =
+                            (streams[i] instanceof EmbeddedSampleStream)
+                                    && ((EmbeddedSampleStream) streams[i]).parent == streams[primaryStreamIndex];
+                }
+                if (!mayRetainStream) {
+                    if (streams[i] instanceof EmbeddedSampleStream) {
+                        ((EmbeddedSampleStream) streams[i]).release();
+                    }
+                    streams[i] = null;
+                }
+            }
+        }
+    }
+
+    private int getPrimaryStreamIndex(int embeddedStreamIndex, int[] streamIndexToTrackGroupIndex) {
+        int embeddedTrackGroupIndex = streamIndexToTrackGroupIndex[embeddedStreamIndex];
+        if (embeddedTrackGroupIndex == C.INDEX_UNSET) {
+            return C.INDEX_UNSET;
+        }
+        int primaryTrackGroupIndex = trackGroupInfos[embeddedTrackGroupIndex].primaryTrackGroupIndex;
+        for (int i = 0; i < streamIndexToTrackGroupIndex.length; i++) {
+            int trackGroupIndex = streamIndexToTrackGroupIndex[i];
+            if (trackGroupIndex == primaryTrackGroupIndex
+                    && trackGroupInfos[trackGroupIndex].trackGroupCategory
+                    == TrackGroupInfo.CATEGORY_PRIMARY) {
+                return i;
+            }
+        }
+        return C.INDEX_UNSET;
+    }
+
+    private void selectNewStreams(ExoTrackSelection[] selections, SampleStream[] streams, boolean[] streamResetFlags, long positionUs, int[] streamIndexToTrackGroupIndex) {
+        // Create newly selected primary and event streams.
+        for (int i = 0; i < selections.length; i++) {
+            ExoTrackSelection selection = selections[i];
+            if (selection == null) {
+                continue;
+            }
+            if (streams[i] == null) {
+                // Create new stream for selection.
+                streamResetFlags[i] = true;
+                int trackGroupIndex = streamIndexToTrackGroupIndex[i];
+                TrackGroupInfo trackGroupInfo = trackGroupInfos[trackGroupIndex];
+                if (trackGroupInfo.trackGroupCategory == TrackGroupInfo.CATEGORY_PRIMARY) {
+                    streams[i] = buildSampleStream(trackGroupInfo, selection, positionUs);
+                } else if (trackGroupInfo.trackGroupCategory == TrackGroupInfo.CATEGORY_MANIFEST_EVENTS) {
+                    EventStream eventStream = eventStreams.get(trackGroupInfo.eventStreamGroupIndex);
+                    Format format = selection.getTrackGroup().getFormat(0);
+                    streams[i] = new EventSampleStream(eventStream, format, manifest.dynamic);
+                }
+            } else if (streams[i] instanceof ChunkSampleStream) {
+                // Update selection in existing stream.
+                @SuppressWarnings("unchecked")
+                ChunkSampleStream<SabrChunkSource> stream = (ChunkSampleStream<SabrChunkSource>) streams[i];
+                stream.getChunkSource().updateTrackSelection(selection);
+            }
+        }
+        // Create newly selected embedded streams from the corresponding primary stream. Note that this
+        // second pass is needed because the primary stream may not have been created yet in a first
+        // pass if the index of the primary stream is greater than the index of the embedded stream.
+        for (int i = 0; i < selections.length; i++) {
+            if (streams[i] == null && selections[i] != null) {
+                int trackGroupIndex = streamIndexToTrackGroupIndex[i];
+                TrackGroupInfo trackGroupInfo = trackGroupInfos[trackGroupIndex];
+                if (trackGroupInfo.trackGroupCategory == TrackGroupInfo.CATEGORY_EMBEDDED) {
+                    int primaryStreamIndex = getPrimaryStreamIndex(i, streamIndexToTrackGroupIndex);
+                    if (primaryStreamIndex == C.INDEX_UNSET) {
+                        // If an embedded track is selected without the corresponding primary track, create an
+                        // empty sample stream instead.
+                        streams[i] = new EmptySampleStream();
+                    } else {
+                        streams[i] =
+                                ((ChunkSampleStream) streams[primaryStreamIndex])
+                                        .selectEmbeddedTrack(positionUs, trackGroupInfo.trackType);
+                    }
+                }
+            }
+        }
+    }
+
+    private ChunkSampleStream<SabrChunkSource> buildSampleStream(
+            TrackGroupInfo trackGroupInfo,
+            ExoTrackSelection selection,
+            long positionUs) {
+
+        int embeddedTrackCount = 0;
+        boolean enableEventMessageTrack =
+                trackGroupInfo.embeddedEventMessageTrackGroupIndex != C.INDEX_UNSET;
+        TrackGroup embeddedEventMessageTrackGroup = null;
+        if (enableEventMessageTrack) {
+            embeddedEventMessageTrackGroup =
+                    trackGroups.get(trackGroupInfo.embeddedEventMessageTrackGroupIndex);
+            embeddedTrackCount++;
+        }
+        boolean enableCea608Tracks =
+                trackGroupInfo.embeddedCea608TrackGroupIndex != C.INDEX_UNSET;
+        TrackGroup embeddedCea608TrackGroup = null;
+        if (enableCea608Tracks) {
+            embeddedCea608TrackGroup =
+                    trackGroups.get(trackGroupInfo.embeddedCea608TrackGroupIndex);
+            embeddedTrackCount += embeddedCea608TrackGroup.length;
+        }
+
+        Format[] embeddedTrackFormats = new Format[embeddedTrackCount];
+        int[] embeddedTrackTypes = new int[embeddedTrackCount];
+        embeddedTrackCount = 0;
+
+        if (enableEventMessageTrack) {
+            embeddedTrackFormats[embeddedTrackCount] =
+                    embeddedEventMessageTrackGroup.getFormat(0);
+            embeddedTrackTypes[embeddedTrackCount] = C.TRACK_TYPE_METADATA;
+            embeddedTrackCount++;
+        }
+
+        List<Format> embeddedCea608TrackFormats = new ArrayList<>();
+        if (enableCea608Tracks) {
+            for (int i = 0; i < embeddedCea608TrackGroup.length; i++) {
+                embeddedTrackFormats[embeddedTrackCount] =
+                        embeddedCea608TrackGroup.getFormat(i);
+                embeddedTrackTypes[embeddedTrackCount] = C.TRACK_TYPE_TEXT;
+                embeddedCea608TrackFormats.add(embeddedTrackFormats[embeddedTrackCount]);
+                embeddedTrackCount++;
+            }
+        }
+
+        PlayerTrackEmsgHandler trackPlayerEmsgHandler =
+                manifest.dynamic && enableEventMessageTrack
+                        ? playerEmsgHandler.newPlayerTrackEmsgHandler()
+                        : null;
+
+        SabrChunkSource chunkSource =
+                chunkSourceFactory.createSabrChunkSource(
+                        manifestLoaderErrorThrower,
+                        manifest,
+                        periodIndex,
+                        trackGroupInfo.adaptationSetIndices,
+                        selection,
+                        trackGroupInfo.trackType,
+                        elapsedRealtimeOffsetMs,
+                        enableEventMessageTrack,
+                        embeddedCea608TrackFormats,
+                        trackPlayerEmsgHandler,
+                        transferListener);
+
+        ChunkSampleStream<SabrChunkSource> stream =
+                new ChunkSampleStream<>(
+                        trackGroupInfo.trackType,
+                        embeddedTrackTypes,
+                        embeddedTrackFormats,
+                        chunkSource,
+                        /* callback= */ this,
+                        allocator,
+                        positionUs,
+                        drmSessionManager,
+                        drmEventDispatcher,
+                        loadErrorHandlingPolicy,
+                        eventDispatcher,
+                        /* canReportInitialDiscontinuity= */ true,
+                        /* downloadExecutor= */ null);
+
+        synchronized (this) {
+            // The map is also accessed on the loading thread so synchronize access.
+            trackEmsgHandlerBySampleStream.put(stream, trackPlayerEmsgHandler);
+        }
+        return stream;
+    }
+
+    private static final class TrackGroupInfo {
+
+        @Documented
+        @Retention(RetentionPolicy.SOURCE)
+        @IntDef({CATEGORY_PRIMARY, CATEGORY_EMBEDDED, CATEGORY_MANIFEST_EVENTS})
+        public @interface TrackGroupCategory {}
+
+        /**
+         * A normal track group that has its samples drawn from the stream.
+         * For example: a video Track Group or an audio Track Group.
+         */
+        private static final int CATEGORY_PRIMARY = 0;
+
+        /**
+         * A track group whose samples are embedded within one of the primary streams. For example: an
+         * EMSG track has its sample embedded in emsg atoms in one of the primary streams.
+         */
+        private static final int CATEGORY_EMBEDDED = 1;
+
+        /**
+         * A track group that has its samples listed explicitly in the DASH manifest file.
+         * For example: an EventStream track has its sample (Events) included directly in the DASH
+         * manifest file.
+         */
+        private static final int CATEGORY_MANIFEST_EVENTS = 2;
+
+        public final int[] adaptationSetIndices;
+        public final int trackType;
+        @TrackGroupCategory public final int trackGroupCategory;
+
+        public final int eventStreamGroupIndex;
+        public final int primaryTrackGroupIndex;
+        public final int embeddedEventMessageTrackGroupIndex;
+        public final int embeddedCea608TrackGroupIndex;
+
+        public static TrackGroupInfo primaryTrack(
+                int trackType,
+                int[] adaptationSetIndices,
+                int primaryTrackGroupIndex,
+                int embeddedEventMessageTrackGroupIndex,
+                int embeddedCea608TrackGroupIndex) {
+            return new TrackGroupInfo(
+                    trackType,
+                    CATEGORY_PRIMARY,
+                    adaptationSetIndices,
+                    primaryTrackGroupIndex,
+                    embeddedEventMessageTrackGroupIndex,
+                    embeddedCea608TrackGroupIndex,
+                    /* eventStreamGroupIndex= */ -1);
+        }
+
+        public static TrackGroupInfo embeddedEmsgTrack(int[] adaptationSetIndices,
+                                                       int primaryTrackGroupIndex) {
+            return new TrackGroupInfo(
+                    C.TRACK_TYPE_METADATA,
+                    CATEGORY_EMBEDDED,
+                    adaptationSetIndices,
+                    primaryTrackGroupIndex,
+                    C.INDEX_UNSET,
+                    C.INDEX_UNSET,
+                    /* eventStreamGroupIndex= */ -1);
+        }
+
+        public static TrackGroupInfo embeddedCea608Track(int[] adaptationSetIndices,
+                                                         int primaryTrackGroupIndex) {
+            return new TrackGroupInfo(
+                    C.TRACK_TYPE_TEXT,
+                    CATEGORY_EMBEDDED,
+                    adaptationSetIndices,
+                    primaryTrackGroupIndex,
+                    C.INDEX_UNSET,
+                    C.INDEX_UNSET,
+                    /* eventStreamGroupIndex= */ -1);
+        }
+
+        public static TrackGroupInfo mpdEventTrack(int eventStreamIndex) {
+            return new TrackGroupInfo(
+                    C.TRACK_TYPE_METADATA,
+                    CATEGORY_MANIFEST_EVENTS,
+                    new int[0],
+                    /* primaryTrackGroupIndex= */ -1,
+                    C.INDEX_UNSET,
+                    C.INDEX_UNSET,
+                    eventStreamIndex);
+        }
+
+        private TrackGroupInfo(
+                int trackType,
+                @TrackGroupCategory int trackGroupCategory,
+                int[] adaptationSetIndices,
+                int primaryTrackGroupIndex,
+                int embeddedEventMessageTrackGroupIndex,
+                int embeddedCea608TrackGroupIndex,
+                int eventStreamGroupIndex) {
+            this.trackType = trackType;
+            this.adaptationSetIndices = adaptationSetIndices;
+            this.trackGroupCategory = trackGroupCategory;
+            this.primaryTrackGroupIndex = primaryTrackGroupIndex;
+            this.embeddedEventMessageTrackGroupIndex = embeddedEventMessageTrackGroupIndex;
+            this.embeddedCea608TrackGroupIndex = embeddedCea608TrackGroupIndex;
+            this.eventStreamGroupIndex = eventStreamGroupIndex;
+        }
+    }
+}