FocusOverlayView: Avoid accessing restricted API

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

.editorconfig

@@ -6,39 +6,13 @@
 root = true
 
 [*.{kt,kts}]
-ktlint_standard_annotation = disabled
+ktlint_code_style = android_studio
-ktlint_standard_argument-list-wrapping = disabled
+# https://pinterest.github.io/ktlint/latest/rules/standard/#function-naming
-ktlint_standard_backing-property-naming = disabled
+ktlint_function_naming_ignore_when_annotated_with = Composable
-ktlint_standard_blank-line-before-declaration = disabled
+
-ktlint_standard_blank-line-between-when-conditions = disabled
-ktlint_standard_chain-method-continuation = disabled
 ktlint_standard_class-signature = disabled
-ktlint_standard_comment-wrapping = disabled
-ktlint_standard_enum-wrapping = disabled
 ktlint_standard_function-expression-body = disabled
-ktlint_standard_function-literal = disabled
-ktlint_standard_function-signature = disabled
-ktlint_standard_indent = disabled
-ktlint_standard_kdoc = disabled
 ktlint_standard_max-line-length = disabled
 ktlint_standard_mixed-condition-operators = disabled
-ktlint_standard_multiline-expression-wrapping = disabled
-ktlint_standard_multiline-if-else = disabled
-ktlint_standard_no-blank-line-in-list = disabled
-ktlint_standard_no-consecutive-comments = disabled
-ktlint_standard_no-empty-first-line-in-class-body = disabled
-ktlint_standard_no-empty-first-line-in-method-block = disabled
-ktlint_standard_no-line-break-after-else = disabled
-ktlint_standard_no-semi = disabled
-ktlint_standard_no-single-line-block-comment = disabled
 ktlint_standard_package-name = disabled
-ktlint_standard_parameter-list-wrapping = disabled
 ktlint_standard_property-naming = disabled
-ktlint_standard_spacing-between-declarations-with-annotations = disabled
-ktlint_standard_spacing-between-declarations-with-comments = disabled
-ktlint_standard_statement-wrapping = disabled
-ktlint_standard_string-template-indent = disabled
-ktlint_standard_trailing-comma-on-call-site = disabled
-ktlint_standard_trailing-comma-on-declaration-site = disabled
-ktlint_standard_try-catch-finally-spacing = disabled
-ktlint_standard_when-entry-bracing = disabled

.github/workflows/backport-pr.yml

@@ -22,7 +22,7 @@ jobs:
         github.event.comment.author_association == 'MEMBER'
         )
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: Get backport metadata
         # the target branch is the first argument after `/backport`
         env:

.github/workflows/ci.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v6
-      - uses: gradle/actions/wrapper-validation@v4
+      - uses: gradle/actions/wrapper-validation@v5
 
       - name: create and checkout branch
         # push events already checked out the branch

app/build.gradle.kts

@@ -3,6 +3,8 @@
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
+import com.android.build.api.dsl.ApplicationExtension
+
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.jetbrains.kotlin.android)
@@ -32,7 +34,7 @@ kotlin {
     }
 }
 
-android {
+configure<ApplicationExtension> {
     compileSdk = 36
     namespace = "org.schabi.newpipe"
 
@@ -42,9 +44,9 @@ android {
         minSdk = 21
         targetSdk = 35
 
-        versionCode = System.getProperty("versionCodeOverride")?.toInt() ?: 1006
+        versionCode = System.getProperty("versionCodeOverride")?.toInt() ?: 1008
 
-        versionName = "0.28.1"
+        versionName = "0.28.3"
         System.getProperty("versionNameSuffix")?.let { versionNameSuffix = it }
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
@@ -77,19 +79,16 @@ android {
                 resValue("string", "app_name", "NewPipe $suffix")
             }
             isMinifyEnabled = true
-            isShrinkResources = false // disabled to fix F-Droid"s reproducible build
+            isShrinkResources = true
-            proguardFiles(getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro")
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
         }
     }
 
     lint {
-        checkReleaseBuilds = false
+        lintConfig = file("lint.xml")
-        // Or, if you prefer, you can continue to check for errors in release builds,
-        // but continue the build even when errors are found:
-        abortOnError = false
-        // suppress false warning ("Resource IDs will be non-final in Android Gradle Plugin version
-        // 5.0, avoid using them in switch case statements"), which affects only library projects
-        disable += "NonConstantResourceId"
     }
 
     compileOptions {
@@ -100,7 +99,7 @@ android {
 
     sourceSets {
         getByName("androidTest") {
-            assets.srcDir("$projectDir/schemas")
+            assets.directories += "$projectDir/schemas"
         }
     }
 
@@ -111,6 +110,7 @@ android {
     buildFeatures {
         viewBinding = true
         buildConfig = true
+        resValues = true
     }
 
     packaging {
@@ -134,6 +134,13 @@ ksp {
 // Custom dependency configuration for ktlint
 val ktlint by configurations.creating
 
+// https://checkstyle.org/#JRE_and_JDK
+tasks.withType<Checkstyle>().configureEach {
+    javaLauncher = javaToolchains.launcherFor {
+        languageVersion = JavaLanguageVersion.of(21)
+    }
+}
+
 checkstyle {
     configDirectory = rootProject.file("checkstyle")
     isIgnoreFailures = false

app/lint.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+  ~ SPDX-License-Identifier: GPL-3.0-or-later
+  -->
+<lint>
+    <issue id="MissingTranslation" severity="ignore" />
+    <issue id="MissingQuantity" severity="ignore" />
+    <issue id="ImpliedQuantity" severity="ignore" />
+</lint>

app/proguard-rules.pro

@@ -39,3 +39,8 @@
 
 ## For some reason NotificationModeConfigFragment wasn't kept (only referenced in a preference xml)
 -keep class org.schabi.newpipe.settings.notifications.** { *; }
+
+# Prevent R8 from stripping or renaming Protobuf internal fields
+-keepclassmembers class * extends com.google.protobuf.GeneratedMessageLite {
+    <fields>;
+}

app/src/androidTest/java/org/schabi/newpipe/database/DatabaseMigrationTest.kt

@@ -176,28 +176,32 @@ class DatabaseMigrationTest {
 
         databaseInV7.run {
             insert(
-                "search_history", SQLiteDatabase.CONFLICT_FAIL,
+                "search_history",
+                SQLiteDatabase.CONFLICT_FAIL,
                 ContentValues().apply {
                     put("service_id", serviceId)
                     put("search", defaultSearch1)
                 }
             )
             insert(
-                "search_history", SQLiteDatabase.CONFLICT_FAIL,
+                "search_history",
+                SQLiteDatabase.CONFLICT_FAIL,
                 ContentValues().apply {
                     put("service_id", serviceId)
                     put("search", defaultSearch2)
                 }
             )
             insert(
-                "search_history", SQLiteDatabase.CONFLICT_FAIL,
+                "search_history",
+                SQLiteDatabase.CONFLICT_FAIL,
                 ContentValues().apply {
                     put("service_id", otherServiceId)
                     put("search", defaultSearch1)
                 }
             )
             insert(
-                "search_history", SQLiteDatabase.CONFLICT_FAIL,
+                "search_history",
+                SQLiteDatabase.CONFLICT_FAIL,
                 ContentValues().apply {
                     put("service_id", otherServiceId)
                     put("search", defaultSearch2)
@@ -207,13 +211,17 @@ class DatabaseMigrationTest {
         }
 
         testHelper.runMigrationsAndValidate(
-            AppDatabase.DATABASE_NAME, Migrations.DB_VER_8,
+            AppDatabase.DATABASE_NAME,
-            true, Migrations.MIGRATION_7_8
+            Migrations.DB_VER_8,
+            true,
+            Migrations.MIGRATION_7_8
         )
 
         testHelper.runMigrationsAndValidate(
-            AppDatabase.DATABASE_NAME, Migrations.DB_VER_9,
+            AppDatabase.DATABASE_NAME,
-            true, Migrations.MIGRATION_8_9
+            Migrations.DB_VER_9,
+            true,
+            Migrations.MIGRATION_8_9
         )
 
         val migratedDatabaseV8 = getMigratedDatabase()
@@ -235,7 +243,8 @@ class DatabaseMigrationTest {
         val remoteUid2: Long
         databaseInV8.run {
             localUid1 = insert(
-                "playlists", SQLiteDatabase.CONFLICT_FAIL,
+                "playlists",
+                SQLiteDatabase.CONFLICT_FAIL,
                 ContentValues().apply {
                     put("name", DEFAULT_NAME + "1")
                     put("is_thumbnail_permanent", false)
@@ -243,7 +252,8 @@ class DatabaseMigrationTest {
                 }
             )
             localUid2 = insert(
-                "playlists", SQLiteDatabase.CONFLICT_FAIL,
+                "playlists",
+                SQLiteDatabase.CONFLICT_FAIL,
                 ContentValues().apply {
                     put("name", DEFAULT_NAME + "2")
                     put("is_thumbnail_permanent", false)
@@ -251,25 +261,29 @@ class DatabaseMigrationTest {
                 }
             )
             delete(
-                "playlists", "uid = ?",
+                "playlists",
+                "uid = ?",
                 Array(1) { localUid1 }
             )
             remoteUid1 = insert(
-                "remote_playlists", SQLiteDatabase.CONFLICT_FAIL,
+                "remote_playlists",
+                SQLiteDatabase.CONFLICT_FAIL,
                 ContentValues().apply {
                     put("service_id", DEFAULT_SERVICE_ID)
                     put("url", DEFAULT_URL)
                 }
             )
             remoteUid2 = insert(
-                "remote_playlists", SQLiteDatabase.CONFLICT_FAIL,
+                "remote_playlists",
+                SQLiteDatabase.CONFLICT_FAIL,
                 ContentValues().apply {
                     put("service_id", DEFAULT_SECOND_SERVICE_ID)
                     put("url", DEFAULT_SECOND_URL)
                 }
             )
             delete(
-                "remote_playlists", "uid = ?",
+                "remote_playlists",
+                "uid = ?",
                 Array(1) { remoteUid2 }
             )
             close()

app/src/androidTest/java/org/schabi/newpipe/database/FeedDAOTest.kt

@@ -4,6 +4,8 @@ import android.content.Context
 import androidx.room.Room
 import androidx.test.core.app.ApplicationProvider
 import io.reactivex.rxjava3.core.Single
+import java.io.IOException
+import java.time.OffsetDateTime
 import org.junit.After
 import org.junit.Assert.assertEquals
 import org.junit.Assert.assertNotNull
@@ -20,9 +22,6 @@ import org.schabi.newpipe.database.subscription.SubscriptionEntity
 import org.schabi.newpipe.extractor.ServiceList
 import org.schabi.newpipe.extractor.channel.ChannelInfo
 import org.schabi.newpipe.extractor.stream.StreamType
-import java.io.IOException
-import java.time.OffsetDateTime
-import kotlin.streams.toList
 
 class FeedDAOTest {
     private lateinit var db: AppDatabase
@@ -41,14 +40,21 @@ class FeedDAOTest {
     private val stream7 = StreamEntity(7, serviceId, "https://youtube.com/watch?v=7", "stream 7", StreamType.VIDEO_STREAM, 1000, "channel-4", "https://youtube.com/channel/4", "https://i.ytimg.com/vi/1/hqdefault.jpg", 100, "2023-08-10", OffsetDateTime.parse("2023-08-10T00:00:00Z"))
 
     private val allStreams = listOf(
-        stream1, stream2, stream3, stream4, stream5, stream6, stream7
+        stream1,
+        stream2,
+        stream3,
+        stream4,
+        stream5,
+        stream6,
+        stream7
     )
 
     @Before
     fun createDb() {
         val context = ApplicationProvider.getApplicationContext<Context>()
         db = Room.inMemoryDatabaseBuilder(
-            context, AppDatabase::class.java
+            context,
+            AppDatabase::class.java
         ).build()
         feedDAO = db.feedDAO()
         streamDAO = db.streamDAO()
@@ -65,7 +71,10 @@ class FeedDAOTest {
     fun testUnlinkStreamsOlderThan_KeepOne() {
         setupUnlinkDelete("2023-08-15T00:00:00Z")
         val streams = feedDAO.getStreams(
-            FeedGroupEntity.GROUP_ALL_ID, includePlayed = true, includePartiallyPlayed = true, null
+            FeedGroupEntity.GROUP_ALL_ID,
+            includePlayed = true,
+            includePartiallyPlayed = true,
+            null
         )
             .blockingGet()
         val allowedStreams = listOf(stream3, stream5, stream6, stream7)
@@ -76,7 +85,10 @@ class FeedDAOTest {
     fun testUnlinkStreamsOlderThan_KeepMultiple() {
         setupUnlinkDelete("2023-08-01T00:00:00Z")
         val streams = feedDAO.getStreams(
-            FeedGroupEntity.GROUP_ALL_ID, includePlayed = true, includePartiallyPlayed = true, null
+            FeedGroupEntity.GROUP_ALL_ID,
+            includePlayed = true,
+            includePartiallyPlayed = true,
+            null
         )
             .blockingGet()
         val allowedStreams = listOf(stream3, stream4, stream5, stream6, stream7)
@@ -112,7 +124,7 @@ class FeedDAOTest {
                 SubscriptionEntity.from(ChannelInfo(serviceId, "1", "https://youtube.com/channel/1", "https://youtube.com/channel/1", "channel-1")),
                 SubscriptionEntity.from(ChannelInfo(serviceId, "2", "https://youtube.com/channel/2", "https://youtube.com/channel/2", "channel-2")),
                 SubscriptionEntity.from(ChannelInfo(serviceId, "3", "https://youtube.com/channel/3", "https://youtube.com/channel/3", "channel-3")),
-                SubscriptionEntity.from(ChannelInfo(serviceId, "4", "https://youtube.com/channel/4", "https://youtube.com/channel/4", "channel-4")),
+                SubscriptionEntity.from(ChannelInfo(serviceId, "4", "https://youtube.com/channel/4", "https://youtube.com/channel/4", "channel-4"))
             )
         )
         feedDAO.insertAll(
@@ -123,7 +135,7 @@ class FeedDAOTest {
                 FeedEntity(4, 2),
                 FeedEntity(5, 2),
                 FeedEntity(6, 3),
-                FeedEntity(7, 4),
+                FeedEntity(7, 4)
             )
         )
     }

app/src/androidTest/java/org/schabi/newpipe/local/history/HistoryRecordManagerTest.kt

@@ -1,6 +1,9 @@
 package org.schabi.newpipe.local.history
 
 import androidx.test.core.app.ApplicationProvider
+import java.time.LocalDateTime
+import java.time.OffsetDateTime
+import java.time.ZoneOffset
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.After
 import org.junit.Assert.assertEquals
@@ -11,9 +14,6 @@ import org.schabi.newpipe.database.AppDatabase
 import org.schabi.newpipe.database.history.model.SearchHistoryEntry
 import org.schabi.newpipe.testUtil.TestDatabase
 import org.schabi.newpipe.testUtil.TrampolineSchedulerRule
-import java.time.LocalDateTime
-import java.time.OffsetDateTime
-import java.time.ZoneOffset
 
 class HistoryRecordManagerTest {
 
@@ -54,7 +54,7 @@ class HistoryRecordManagerTest {
             SearchHistoryEntry(creationDate = time.minusSeconds(1), serviceId = 0, search = "A"),
             SearchHistoryEntry(creationDate = time.minusSeconds(2), serviceId = 2, search = "A"),
             SearchHistoryEntry(creationDate = time.minusSeconds(3), serviceId = 1, search = "B"),
-            SearchHistoryEntry(creationDate = time.minusSeconds(4), serviceId = 0, search = "B"),
+            SearchHistoryEntry(creationDate = time.minusSeconds(4), serviceId = 0, search = "B")
         )
 
         // make sure all 4 were inserted
@@ -85,7 +85,7 @@ class HistoryRecordManagerTest {
         val entries = listOf(
             SearchHistoryEntry(creationDate = time.minusSeconds(1), serviceId = 1, search = "A"),
             SearchHistoryEntry(creationDate = time.minusSeconds(2), serviceId = 2, search = "B"),
-            SearchHistoryEntry(creationDate = time.minusSeconds(3), serviceId = 0, search = "C"),
+            SearchHistoryEntry(creationDate = time.minusSeconds(3), serviceId = 0, search = "C")
         )
 
         // make sure all 3 were inserted
@@ -98,7 +98,6 @@ class HistoryRecordManagerTest {
     }
 
     private fun insertShuffledRelatedSearches(relatedSearches: Collection<SearchHistoryEntry>) {
-
         // shuffle to make sure the order of items returned by queries depends only on
         // SearchHistoryEntry.creationDate, not on the actual insertion time, so that we can
         // verify that the `ORDER BY` clause does its job
@@ -121,7 +120,7 @@ class HistoryRecordManagerTest {
             RELATED_SEARCHES_ENTRIES[6].search, // A (even if in two places)
             RELATED_SEARCHES_ENTRIES[4].search, // B
             RELATED_SEARCHES_ENTRIES[5].search, // AA
-            RELATED_SEARCHES_ENTRIES[2].search, // BA
+            RELATED_SEARCHES_ENTRIES[2].search // BA
         )
     }
 
@@ -136,7 +135,7 @@ class HistoryRecordManagerTest {
             SearchHistoryEntry(creationDate = time.minusSeconds(4), serviceId = 3, search = "A"),
             SearchHistoryEntry(creationDate = time.minusSeconds(3), serviceId = 3, search = "A"),
             SearchHistoryEntry(creationDate = time.minusSeconds(2), serviceId = 0, search = "A"),
-            SearchHistoryEntry(creationDate = time.minusSeconds(1), serviceId = 2, search = "AA"),
+            SearchHistoryEntry(creationDate = time.minusSeconds(1), serviceId = 2, search = "AA")
         )
         insertShuffledRelatedSearches(relatedSearches)
 
@@ -153,7 +152,7 @@ class HistoryRecordManagerTest {
         assertThat(searches).containsExactly(
             RELATED_SEARCHES_ENTRIES[6].search, // A (even if in two places)
             RELATED_SEARCHES_ENTRIES[5].search, // AA
-            RELATED_SEARCHES_ENTRIES[1].search, // BA
+            RELATED_SEARCHES_ENTRIES[1].search // BA
         )
 
         // also make sure that the string comparison is case insensitive
@@ -171,7 +170,7 @@ class HistoryRecordManagerTest {
             SearchHistoryEntry(creationDate = time.minusSeconds(4), serviceId = 3, search = "A"),
             SearchHistoryEntry(creationDate = time.minusSeconds(2), serviceId = 0, search = "B"),
             SearchHistoryEntry(creationDate = time.minusSeconds(3), serviceId = 2, search = "AA"),
-            SearchHistoryEntry(creationDate = time.minusSeconds(1), serviceId = 1, search = "A"),
+            SearchHistoryEntry(creationDate = time.minusSeconds(1), serviceId = 1, search = "A")
         )
     }
 }

app/src/androidTest/java/org/schabi/newpipe/local/playlist/LocalPlaylistManagerTest.kt

@@ -33,8 +33,12 @@ class LocalPlaylistManagerTest {
     fun createPlaylist() {
         val NEWPIPE_URL = "https://newpipe.net/"
         val stream = StreamEntity(
-            serviceId = 1, url = NEWPIPE_URL, title = "title",
+            serviceId = 1,
-            streamType = StreamType.VIDEO_STREAM, duration = 1, uploader = "uploader",
+            url = NEWPIPE_URL,
+            title = "title",
+            streamType = StreamType.VIDEO_STREAM,
+            duration = 1,
+            uploader = "uploader",
             uploaderUrl = NEWPIPE_URL
         )
 
@@ -58,14 +62,22 @@ class LocalPlaylistManagerTest {
     @Test()
     fun createPlaylist_nonExistentStreamsAreUpserted() {
         val stream = StreamEntity(
-            serviceId = 1, url = "https://newpipe.net/", title = "title",
+            serviceId = 1,
-            streamType = StreamType.VIDEO_STREAM, duration = 1, uploader = "uploader",
+            url = "https://newpipe.net/",
+            title = "title",
+            streamType = StreamType.VIDEO_STREAM,
+            duration = 1,
+            uploader = "uploader",
             uploaderUrl = "https://newpipe.net/"
         )
         database.streamDAO().insert(stream)
         val upserted = StreamEntity(
-            serviceId = 1, url = "https://newpipe.net/2", title = "title2",
+            serviceId = 1,
-            streamType = StreamType.VIDEO_STREAM, duration = 1, uploader = "uploader",
+            url = "https://newpipe.net/2",
+            title = "title2",
+            streamType = StreamType.VIDEO_STREAM,
+            duration = 1,
+            uploader = "uploader",
             uploaderUrl = "https://newpipe.net/"
         )
 

app/src/androidTest/java/org/schabi/newpipe/testUtil/TrampolineSchedulerRule.kt

@@ -17,21 +17,20 @@ class TrampolineSchedulerRule : TestRule {
 
     private val scheduler = Schedulers.trampoline()
 
-    override fun apply(base: Statement, description: Description): Statement =
+    override fun apply(base: Statement, description: Description): Statement = object : Statement() {
-        object : Statement() {
+        override fun evaluate() {
-            override fun evaluate() {
+            try {
-                try {
+                RxJavaPlugins.setComputationSchedulerHandler { scheduler }
-                    RxJavaPlugins.setComputationSchedulerHandler { scheduler }
+                RxJavaPlugins.setIoSchedulerHandler { scheduler }
-                    RxJavaPlugins.setIoSchedulerHandler { scheduler }
+                RxJavaPlugins.setNewThreadSchedulerHandler { scheduler }
-                    RxJavaPlugins.setNewThreadSchedulerHandler { scheduler }
+                RxJavaPlugins.setSingleSchedulerHandler { scheduler }
-                    RxJavaPlugins.setSingleSchedulerHandler { scheduler }
+                RxAndroidPlugins.setInitMainThreadSchedulerHandler { scheduler }
-                    RxAndroidPlugins.setInitMainThreadSchedulerHandler { scheduler }
 
-                    base.evaluate()
+                base.evaluate()
-                } finally {
+            } finally {
-                    RxJavaPlugins.reset()
+                RxJavaPlugins.reset()
-                    RxAndroidPlugins.reset()
+                RxAndroidPlugins.reset()
-                }
             }
         }
+    }
 }

app/src/androidTest/java/org/schabi/newpipe/util/StreamItemAdapterTest.kt

@@ -156,41 +156,51 @@ class StreamItemAdapterTest {
 
         helper.assertInvalidResponse(getResponse(mapOf(Pair("content-length", "mp3"))), 0)
         helper.assertInvalidResponse(
-            getResponse(mapOf(Pair("Content-Disposition", "filename=\"train.png\""))), 1
+            getResponse(mapOf(Pair("Content-Disposition", "filename=\"train.png\""))),
+            1
         )
         helper.assertInvalidResponse(
-            getResponse(mapOf(Pair("Content-Disposition", "form-data; name=\"data.csv\""))), 2
+            getResponse(mapOf(Pair("Content-Disposition", "form-data; name=\"data.csv\""))),
+            2
         )
         helper.assertInvalidResponse(
-            getResponse(mapOf(Pair("Content-Disposition", "form-data; filename=\"data.csv\""))), 3
+            getResponse(mapOf(Pair("Content-Disposition", "form-data; filename=\"data.csv\""))),
+            3
         )
         helper.assertInvalidResponse(
-            getResponse(mapOf(Pair("Content-Disposition", "form-data; name=\"fieldName\"; filename*=\"filename.jpg\""))), 4
+            getResponse(mapOf(Pair("Content-Disposition", "form-data; name=\"fieldName\"; filename*=\"filename.jpg\""))),
+            4
         )
 
         helper.assertValidResponse(
             getResponse(mapOf(Pair("Content-Disposition", "filename=\"train.ogg\""))),
-            5, MediaFormat.OGG
+            5,
+            MediaFormat.OGG
         )
         helper.assertValidResponse(
             getResponse(mapOf(Pair("Content-Disposition", "some-form-data; filename=\"audio.flac\""))),
-            6, MediaFormat.FLAC
+            6,
+            MediaFormat.FLAC
         )
         helper.assertValidResponse(
             getResponse(mapOf(Pair("Content-Disposition", "form-data; name=\"audio.aiff\"; filename=\"audio.aiff\""))),
-            7, MediaFormat.AIFF
+            7,
+            MediaFormat.AIFF
         )
         helper.assertValidResponse(
             getResponse(mapOf(Pair("Content-Disposition", "form-data; name=\"alien?\"; filename*=UTF-8''%CE%B1%CE%BB%CE%B9%CF%B5%CE%BD.m4a"))),
-            8, MediaFormat.M4A
+            8,
+            MediaFormat.M4A
         )
         helper.assertValidResponse(
             getResponse(mapOf(Pair("Content-Disposition", "form-data; name=\"audio.mp3\"; filename=\"audio.opus\"; filename*=UTF-8''alien.opus"))),
-            9, MediaFormat.OPUS
+            9,
+            MediaFormat.OPUS
         )
         helper.assertValidResponse(
             getResponse(mapOf(Pair("Content-Disposition", "form-data; name=\"audio.mp3\"; filename=\"audio.opus\"; filename*=\"UTF-8''alien.opus\""))),
-            10, MediaFormat.OPUS
+            10,
+            MediaFormat.OPUS
         )
     }
 
@@ -213,16 +223,24 @@ class StreamItemAdapterTest {
         helper.assertInvalidResponse(getResponse(mapOf()), 7)
 
         helper.assertValidResponse(
-            getResponse(mapOf(Pair("Content-Type", "audio/flac"))), 8, MediaFormat.FLAC
+            getResponse(mapOf(Pair("Content-Type", "audio/flac"))),
+            8,
+            MediaFormat.FLAC
         )
         helper.assertValidResponse(
-            getResponse(mapOf(Pair("Content-Type", "audio/wav"))), 9, MediaFormat.WAV
+            getResponse(mapOf(Pair("Content-Type", "audio/wav"))),
+            9,
+            MediaFormat.WAV
         )
         helper.assertValidResponse(
-            getResponse(mapOf(Pair("Content-Type", "audio/opus"))), 10, MediaFormat.OPUS
+            getResponse(mapOf(Pair("Content-Type", "audio/opus"))),
+            10,
+            MediaFormat.OPUS
         )
         helper.assertValidResponse(
-            getResponse(mapOf(Pair("Content-Type", "audio/aiff"))), 11, MediaFormat.AIFF
+            getResponse(mapOf(Pair("Content-Type", "audio/aiff"))),
+            11,
+            MediaFormat.AIFF
         )
     }
 
@@ -230,39 +248,37 @@ class StreamItemAdapterTest {
      * @return a list of video streams, in which their video only property mirrors the provided
      * [videoOnly] vararg.
      */
-    private fun getVideoStreams(vararg videoOnly: Boolean) =
+    private fun getVideoStreams(vararg videoOnly: Boolean) = StreamInfoWrapper(
-        StreamItemAdapter.StreamInfoWrapper(
+        videoOnly.map {
-            videoOnly.map {
+            VideoStream.Builder()
-                VideoStream.Builder()
+                .setId(Stream.ID_UNKNOWN)
-                    .setId(Stream.ID_UNKNOWN)
+                .setContent("https://example.com", true)
-                    .setContent("https://example.com", true)
+                .setMediaFormat(MediaFormat.MPEG_4)
-                    .setMediaFormat(MediaFormat.MPEG_4)
+                .setResolution("720p")
-                    .setResolution("720p")
+                .setIsVideoOnly(it)
-                    .setIsVideoOnly(it)
+                .build()
-                    .build()
+        },
-            },
+        context
-            context
+    )
-        )
 
     /**
      * @return a list of audio streams, containing valid and null elements mirroring the provided
      * [shouldBeValid] vararg.
      */
-    private fun getAudioStreams(vararg shouldBeValid: Boolean) =
+    private fun getAudioStreams(vararg shouldBeValid: Boolean) = getSecondaryStreamsFromList(
-        getSecondaryStreamsFromList(
+        shouldBeValid.map {
-            shouldBeValid.map {
+            if (it) {
-                if (it) {
+                AudioStream.Builder()
-                    AudioStream.Builder()
+                    .setId(Stream.ID_UNKNOWN)
-                        .setId(Stream.ID_UNKNOWN)
+                    .setContent("https://example.com", true)
-                        .setContent("https://example.com", true)
+                    .setMediaFormat(MediaFormat.OPUS)
-                        .setMediaFormat(MediaFormat.OPUS)
+                    .setAverageBitrate(192)
-                        .setAverageBitrate(192)
+                    .build()
-                        .build()
+            } else {
-                } else {
+                null
-                    null
-                }
             }
-        )
+        }
+    )
 
     private fun getIncompleteAudioStreams(size: Int): List<AudioStream> {
         val list = ArrayList<AudioStream>(size)
@@ -292,7 +308,7 @@ class StreamItemAdapterTest {
             Assert.assertEquals(
                 "normal visibility (pos=[$position]) is not correct",
                 findViewById<View>(R.id.wo_sound_icon).visibility,
-                normalVisibility,
+                normalVisibility
             )
         }
         spinner.adapter.getDropDownView(position, null, spinner).run {
@@ -307,18 +323,17 @@ class StreamItemAdapterTest {
     /**
      * Helper function that builds a secondary stream list.
      */
-    private fun <T : Stream> getSecondaryStreamsFromList(streams: List<T?>) =
+    private fun <T : Stream> getSecondaryStreamsFromList(streams: List<T?>) = SparseArrayCompat<SecondaryStreamHelper<T>?>(streams.size).apply {
-        SparseArrayCompat<SecondaryStreamHelper<T>?>(streams.size).apply {
+        streams.forEachIndexed { index, stream ->
-            streams.forEachIndexed { index, stream ->
+            val secondaryStreamHelper: SecondaryStreamHelper<T>? = stream?.let {
-                val secondaryStreamHelper: SecondaryStreamHelper<T>? = stream?.let {
+                SecondaryStreamHelper(
-                    SecondaryStreamHelper(
+                    StreamItemAdapter.StreamInfoWrapper(streams, context),
-                        StreamItemAdapter.StreamInfoWrapper(streams, context),
+                    it
-                        it
+                )
-                    )
-                }
-                put(index, secondaryStreamHelper)
             }
+            put(index, secondaryStreamHelper)
         }
+    }
 
     private fun getResponse(headers: Map<String, String>): Response {
         val listHeaders = HashMap<String, List<String>>()
@@ -345,7 +360,8 @@ class StreamItemAdapterTest {
             index: Int
         ) {
             assertFalse(
-                "invalid header returns valid value", retrieveMediaFormat(streams[index], response)
+                "invalid header returns valid value",
+                retrieveMediaFormat(streams[index], response)
             )
             assertNull("Media format extracted although stated otherwise", wrapper.getFormat(index))
         }
@@ -359,7 +375,8 @@ class StreamItemAdapterTest {
             format: MediaFormat
         ) {
             assertTrue(
-                "header was not recognized", retrieveMediaFormat(streams[index], response)
+                "header was not recognized",
+                retrieveMediaFormat(streams[index], response)
             )
             assertEquals("Wrong media format extracted", format, wrapper.getFormat(index))
         }

app/src/main/java/org/schabi/newpipe/DownloaderImpl.java

@@ -161,9 +161,7 @@ public final class DownloaderImpl extends Downloader {
 
             String responseBodyToReturn = null;
             try (ResponseBody body = response.body()) {
-                if (body != null) {
+                responseBodyToReturn = body.string();
-                    responseBodyToReturn = body.string();
-                }
             }
 
             final String latestUrl = response.request().url().toString();

app/src/main/java/org/schabi/newpipe/MainActivity.java

@@ -309,25 +309,21 @@ public class MainActivity extends AppCompatActivity {
     }
 
     private boolean drawerItemSelected(final MenuItem item) {
-        switch (item.getGroupId()) {
+        final int groupId = item.getGroupId();
-            case R.id.menu_services_group:
+        if (groupId == R.id.menu_services_group) {
-                changeService(item);
+            changeService(item);
-                break;
+        } else if (groupId == R.id.menu_tabs_group) {
-            case R.id.menu_tabs_group:
+            tabSelected(item);
-                tabSelected(item);
+        } else if (groupId == R.id.menu_kiosks_group) {
-                break;
+            try {
-            case R.id.menu_kiosks_group:
+                kioskSelected(item);
-                try {
+            } catch (final Exception e) {
-                    kioskSelected(item);
+                ErrorUtil.showUiErrorSnackbar(this, "Selecting drawer kiosk", e);
-                } catch (final Exception e) {
+            }
-                    ErrorUtil.showUiErrorSnackbar(this, "Selecting drawer kiosk", e);
+        } else if (groupId == R.id.menu_options_about_group) {
-                }
+            optionsAboutSelected(item);
-                break;
+        } else {
-            case R.id.menu_options_about_group:
+            return false;
-                optionsAboutSelected(item);
-                break;
-            default:
-                return false;
         }
 
         mainBinding.getRoot().closeDrawers();

app/src/main/java/org/schabi/newpipe/NewPipeDatabase.kt

@@ -8,6 +8,7 @@ package org.schabi.newpipe
 
 import android.content.Context
 import androidx.room.Room.databaseBuilder
+import kotlin.concurrent.Volatile
 import org.schabi.newpipe.database.AppDatabase
 import org.schabi.newpipe.database.Migrations.MIGRATION_1_2
 import org.schabi.newpipe.database.Migrations.MIGRATION_2_3
@@ -17,7 +18,6 @@ import org.schabi.newpipe.database.Migrations.MIGRATION_5_6
 import org.schabi.newpipe.database.Migrations.MIGRATION_6_7
 import org.schabi.newpipe.database.Migrations.MIGRATION_7_8
 import org.schabi.newpipe.database.Migrations.MIGRATION_8_9
-import kotlin.concurrent.Volatile
 
 object NewPipeDatabase {
 

app/src/main/java/org/schabi/newpipe/NewVersionWorker.kt

@@ -18,10 +18,10 @@ import androidx.work.WorkerParameters
 import androidx.work.workDataOf
 import com.grack.nanojson.JsonParser
 import com.grack.nanojson.JsonParserException
+import java.io.IOException
 import org.schabi.newpipe.extractor.downloader.Response
 import org.schabi.newpipe.extractor.exceptions.ReCaptchaException
 import org.schabi.newpipe.util.ReleaseVersionUtil
-import java.io.IOException
 
 class NewVersionWorker(
     context: Context,
@@ -46,7 +46,8 @@ class NewVersionWorker(
                 // Show toast stating that the app is up-to-date if the update check was manual.
                 ContextCompat.getMainExecutor(applicationContext).execute {
                     Toast.makeText(
-                        applicationContext, R.string.app_update_unavailable_toast,
+                        applicationContext,
+                        R.string.app_update_unavailable_toast,
                         Toast.LENGTH_SHORT
                     ).show()
                 }
@@ -58,7 +59,11 @@ class NewVersionWorker(
         val intent = Intent(Intent.ACTION_VIEW, apkLocationUrl?.toUri())
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
         val pendingIntent = PendingIntentCompat.getActivity(
-            applicationContext, 0, intent, 0, false
+            applicationContext,
+            0,
+            intent,
+            0,
+            false
         )
         val channelId = applicationContext.getString(R.string.app_update_notification_channel_id)
         val notificationBuilder = NotificationCompat.Builder(applicationContext, channelId)
@@ -71,12 +76,15 @@ class NewVersionWorker(
             )
             .setContentText(
                 applicationContext.getString(
-                    R.string.app_update_available_notification_text, versionName
+                    R.string.app_update_available_notification_text,
+                    versionName
                 )
             )
 
         val notificationManager = NotificationManagerCompat.from(applicationContext)
-        notificationManager.notify(2000, notificationBuilder.build())
+        if (notificationManager.areNotificationsEnabled()) {
+            notificationManager.notify(2000, notificationBuilder.build())
+        }
     }
 
     @Throws(IOException::class, ReCaptchaException::class)

app/src/main/java/org/schabi/newpipe/QueueItemMenuUtil.java

@@ -41,50 +41,50 @@ public final class QueueItemMenuUtil {
         }
 
         popupMenu.setOnMenuItemClickListener(menuItem -> {
-            switch (menuItem.getItemId()) {
+            final int itemId = menuItem.getItemId();
-                case R.id.menu_item_remove:
+            if (itemId == R.id.menu_item_remove) {
-                    final int index = playQueue.indexOf(item);
+                final int index = playQueue.indexOf(item);
-                    playQueue.remove(index);
+                playQueue.remove(index);
-                    return true;
+                return true;
-                case R.id.menu_item_details:
+            } else if (itemId == R.id.menu_item_details) {
-                    // playQueue is null since we don't want any queue change
+                // playQueue is null since we don't want any queue change
-                    NavigationHelper.openVideoDetail(context, item.getServiceId(),
+                NavigationHelper.openVideoDetail(context, item.getServiceId(),
-                            item.getUrl(), item.getTitle(), null,
+                        item.getUrl(), item.getTitle(), null,
-                            false);
+                        false);
-                    return true;
+                return true;
-                case R.id.menu_item_append_playlist:
+            } else if (itemId == R.id.menu_item_append_playlist) {
-                    PlaylistDialog.createCorrespondingDialog(
+                PlaylistDialog.createCorrespondingDialog(
-                            context,
+                        context,
-                            List.of(new StreamEntity(item)),
+                        List.of(new StreamEntity(item)),
-                            dialog -> dialog.show(
+                        dialog -> dialog.show(
-                                    fragmentManager,
+                                fragmentManager,
-                                    "QueueItemMenuUtil@append_playlist"
+                                "QueueItemMenuUtil@append_playlist"
-                            )
+                        )
-                    );
+                );
 
-                    return true;
+                return true;
-                case R.id.menu_item_channel_details:
+            } else if (itemId == R.id.menu_item_channel_details) {
-                    SparseItemUtil.fetchUploaderUrlIfSparse(context, item.getServiceId(),
+                SparseItemUtil.fetchUploaderUrlIfSparse(context, item.getServiceId(),
-                            item.getUrl(), item.getUploaderUrl(),
+                        item.getUrl(), item.getUploaderUrl(),
-                            // An intent must be used here.
+                        // An intent must be used here.
-                            // Opening with FragmentManager transactions is not working,
+                        // Opening with FragmentManager transactions is not working,
-                            // as PlayQueueActivity doesn't use fragments.
+                        // as PlayQueueActivity doesn't use fragments.
-                            uploaderUrl -> NavigationHelper.openChannelFragmentUsingIntent(
+                        uploaderUrl -> NavigationHelper.openChannelFragmentUsingIntent(
-                                    context, item.getServiceId(), uploaderUrl, item.getUploader()
+                                context, item.getServiceId(), uploaderUrl, item.getUploader()
-                            ));
+                        ));
-                    return true;
+                return true;
-                case R.id.menu_item_share:
+            } else if (itemId == R.id.menu_item_share) {
-                    shareText(context, item.getTitle(), item.getUrl(),
+                shareText(context, item.getTitle(), item.getUrl(),
-                            item.getThumbnails());
+                        item.getThumbnails());
-                    return true;
+                return true;
-                case R.id.menu_item_download:
+            } else if (itemId == R.id.menu_item_download) {
-                    fetchStreamInfoAndSaveToDatabase(context, item.getServiceId(), item.getUrl(),
+                fetchStreamInfoAndSaveToDatabase(context, item.getServiceId(), item.getUrl(),
-                            info -> {
+                        info -> {
-                                final DownloadDialog downloadDialog = new DownloadDialog(context,
+                            final DownloadDialog downloadDialog = new DownloadDialog(context,
-                                        info);
+                                    info);
-                                downloadDialog.show(fragmentManager, "downloadDialog");
+                            downloadDialog.show(fragmentManager, "downloadDialog");
-                            });
+                        });
-                    return true;
+                return true;
             }
             return false;
         });

app/src/main/java/org/schabi/newpipe/about/AboutActivity.kt

@@ -92,7 +92,7 @@ class AboutActivity : AppCompatActivity() {
             return when (position) {
                 posAbout -> AboutFragment()
                 posLicense -> LicenseFragment.newInstance(SOFTWARE_COMPONENTS)
-                else -> throw IllegalArgumentException("Unknown position for ViewPager2")
+                else -> error("Unknown position for ViewPager2")
             }
         }
 
@@ -105,7 +105,7 @@ class AboutActivity : AppCompatActivity() {
             return when (position) {
                 posAbout -> R.string.tab_about
                 posLicense -> R.string.tab_licenses
-                else -> throw IllegalArgumentException("Unknown position for ViewPager2")
+                else -> error("Unknown position for ViewPager2")
             }
         }
     }
@@ -116,86 +116,145 @@ class AboutActivity : AppCompatActivity() {
          */
         private val SOFTWARE_COMPONENTS = arrayListOf(
             SoftwareComponent(
-                "ACRA", "2013", "Kevin Gaudin",
+                "ACRA",
-                "https://github.com/ACRA/acra", StandardLicenses.APACHE2
+                "2013",
+                "Kevin Gaudin",
+                "https://github.com/ACRA/acra",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "AndroidX", "2005 - 2011", "The Android Open Source Project",
+                "AndroidX",
-                "https://developer.android.com/jetpack", StandardLicenses.APACHE2
+                "2005 - 2011",
+                "The Android Open Source Project",
+                "https://developer.android.com/jetpack",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "ExoPlayer", "2014 - 2020", "Google, Inc.",
+                "ExoPlayer",
-                "https://github.com/google/ExoPlayer", StandardLicenses.APACHE2
+                "2014 - 2020",
+                "Google, Inc.",
+                "https://github.com/google/ExoPlayer",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "GigaGet", "2014 - 2015", "Peter Cai",
+                "GigaGet",
-                "https://github.com/PaperAirplane-Dev-Team/GigaGet", StandardLicenses.GPL3
+                "2014 - 2015",
+                "Peter Cai",
+                "https://github.com/PaperAirplane-Dev-Team/GigaGet",
+                StandardLicenses.GPL3
             ),
             SoftwareComponent(
-                "Groupie", "2016", "Lisa Wray",
+                "Groupie",
-                "https://github.com/lisawray/groupie", StandardLicenses.MIT
+                "2016",
+                "Lisa Wray",
+                "https://github.com/lisawray/groupie",
+                StandardLicenses.MIT
             ),
             SoftwareComponent(
-                "Android-State", "2018", "Evernote",
+                "Android-State",
-                "https://github.com/Evernote/android-state", StandardLicenses.EPL1
+                "2018",
+                "Evernote",
+                "https://github.com/Evernote/android-state",
+                StandardLicenses.EPL1
             ),
             SoftwareComponent(
-                "Bridge", "2021", "Livefront",
+                "Bridge",
-                "https://github.com/livefront/bridge", StandardLicenses.APACHE2
+                "2021",
+                "Livefront",
+                "https://github.com/livefront/bridge",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "Jsoup", "2009 - 2020", "Jonathan Hedley",
+                "Jsoup",
-                "https://github.com/jhy/jsoup", StandardLicenses.MIT
+                "2009 - 2020",
+                "Jonathan Hedley",
+                "https://github.com/jhy/jsoup",
+                StandardLicenses.MIT
             ),
             SoftwareComponent(
-                "Markwon", "2019", "Dimitry Ivanov",
+                "Markwon",
-                "https://github.com/noties/Markwon", StandardLicenses.APACHE2
+                "2019",
+                "Dimitry Ivanov",
+                "https://github.com/noties/Markwon",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "Material Components for Android", "2016 - 2020", "Google, Inc.",
+                "Material Components for Android",
+                "2016 - 2020",
+                "Google, Inc.",
                 "https://github.com/material-components/material-components-android",
                 StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "NewPipe Extractor", "2017 - 2020", "Christian Schabesberger",
+                "NewPipe Extractor",
-                "https://github.com/TeamNewPipe/NewPipeExtractor", StandardLicenses.GPL3
+                "2017 - 2020",
+                "Christian Schabesberger",
+                "https://github.com/TeamNewPipe/NewPipeExtractor",
+                StandardLicenses.GPL3
             ),
             SoftwareComponent(
-                "NoNonsense-FilePicker", "2016", "Jonas Kalderstam",
+                "NoNonsense-FilePicker",
-                "https://github.com/spacecowboy/NoNonsense-FilePicker", StandardLicenses.MPL2
+                "2016",
+                "Jonas Kalderstam",
+                "https://github.com/spacecowboy/NoNonsense-FilePicker",
+                StandardLicenses.MPL2
             ),
             SoftwareComponent(
-                "OkHttp", "2019", "Square, Inc.",
+                "OkHttp",
-                "https://square.github.io/okhttp/", StandardLicenses.APACHE2
+                "2019",
+                "Square, Inc.",
+                "https://square.github.io/okhttp/",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "Picasso", "2013", "Square, Inc.",
+                "Picasso",
-                "https://square.github.io/picasso/", StandardLicenses.APACHE2
+                "2013",
+                "Square, Inc.",
+                "https://square.github.io/picasso/",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "PrettyTime", "2012 - 2020", "Lincoln Baxter, III",
+                "PrettyTime",
-                "https://github.com/ocpsoft/prettytime", StandardLicenses.APACHE2
+                "2012 - 2020",
+                "Lincoln Baxter, III",
+                "https://github.com/ocpsoft/prettytime",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "ProcessPhoenix", "2015", "Jake Wharton",
+                "ProcessPhoenix",
-                "https://github.com/JakeWharton/ProcessPhoenix", StandardLicenses.APACHE2
+                "2015",
+                "Jake Wharton",
+                "https://github.com/JakeWharton/ProcessPhoenix",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "RxAndroid", "2015", "The RxAndroid authors",
+                "RxAndroid",
-                "https://github.com/ReactiveX/RxAndroid", StandardLicenses.APACHE2
+                "2015",
+                "The RxAndroid authors",
+                "https://github.com/ReactiveX/RxAndroid",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "RxBinding", "2015", "Jake Wharton",
+                "RxBinding",
-                "https://github.com/JakeWharton/RxBinding", StandardLicenses.APACHE2
+                "2015",
+                "Jake Wharton",
+                "https://github.com/JakeWharton/RxBinding",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "RxJava", "2016 - 2020", "RxJava Contributors",
+                "RxJava",
-                "https://github.com/ReactiveX/RxJava", StandardLicenses.APACHE2
+                "2016 - 2020",
+                "RxJava Contributors",
+                "https://github.com/ReactiveX/RxJava",
+                StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "SearchPreference", "2018", "ByteHamster",
+                "SearchPreference",
-                "https://github.com/ByteHamster/SearchPreference", StandardLicenses.MIT
+                "2018",
-            ),
+                "ByteHamster",
+                "https://github.com/ByteHamster/SearchPreference",
+                StandardLicenses.MIT
+            )
         )
     }
 }

app/src/main/java/org/schabi/newpipe/about/License.kt

@@ -1,8 +1,8 @@
 package org.schabi.newpipe.about
 
 import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
 import java.io.Serializable
+import kotlinx.parcelize.Parcelize
 
 /**
  * Class for storing information about a software license.

app/src/main/java/org/schabi/newpipe/about/LicenseFragment.kt

@@ -97,7 +97,8 @@ class LicenseFragment : Fragment() {
                 .observeOn(AndroidSchedulers.mainThread())
                 .subscribe { formattedLicense ->
                     val webViewData = Base64.encodeToString(
-                        formattedLicense.toByteArray(), Base64.NO_PADDING
+                        formattedLicense.toByteArray(),
+                        Base64.NO_PADDING
                     )
                     val webView = WebView(context)
                     webView.loadData(webViewData, "text/html; charset=UTF-8", "base64")

app/src/main/java/org/schabi/newpipe/about/LicenseFragmentHelper.kt

@@ -1,9 +1,9 @@
 package org.schabi.newpipe.about
 
 import android.content.Context
+import java.io.IOException
 import org.schabi.newpipe.R
 import org.schabi.newpipe.util.ThemeHelper
-import java.io.IOException
 
 /**
  * @param context the context to use
@@ -28,13 +28,16 @@ fun getFormattedLicense(context: Context, license: License): String {
 fun getLicenseStylesheet(context: Context): String {
     val isLightTheme = ThemeHelper.isLightThemeSelected(context)
     val licenseBackgroundColor = getHexRGBColor(
-        context, if (isLightTheme) R.color.light_license_background_color else R.color.dark_license_background_color
+        context,
+        if (isLightTheme) R.color.light_license_background_color else R.color.dark_license_background_color
     )
     val licenseTextColor = getHexRGBColor(
-        context, if (isLightTheme) R.color.light_license_text_color else R.color.dark_license_text_color
+        context,
+        if (isLightTheme) R.color.light_license_text_color else R.color.dark_license_text_color
     )
     val youtubePrimaryColor = getHexRGBColor(
-        context, if (isLightTheme) R.color.light_youtube_primary_color else R.color.dark_youtube_primary_color
+        context,
+        if (isLightTheme) R.color.light_youtube_primary_color else R.color.dark_youtube_primary_color
     )
     return "body{padding:12px 15px;margin:0;background:#$licenseBackgroundColor;color:#$licenseTextColor}" +
         "a[href]{color:#$youtubePrimaryColor}pre{white-space:pre-wrap}"

app/src/main/java/org/schabi/newpipe/about/SoftwareComponent.kt

@@ -1,8 +1,8 @@
 package org.schabi.newpipe.about
 
 import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
 import java.io.Serializable
+import kotlinx.parcelize.Parcelize
 
 @Parcelize
 class SoftwareComponent

app/src/main/java/org/schabi/newpipe/database/Converters.kt

@@ -1,11 +1,11 @@
 package org.schabi.newpipe.database
 
 import androidx.room.TypeConverter
-import org.schabi.newpipe.extractor.stream.StreamType
-import org.schabi.newpipe.local.subscription.FeedGroupIcon
 import java.time.Instant
 import java.time.OffsetDateTime
 import java.time.ZoneOffset
+import org.schabi.newpipe.extractor.stream.StreamType
+import org.schabi.newpipe.local.subscription.FeedGroupIcon
 
 class Converters {
     /**

app/src/main/java/org/schabi/newpipe/database/LocalItem.kt

@@ -14,6 +14,6 @@ interface LocalItem {
         PLAYLIST_REMOTE_ITEM,
 
         PLAYLIST_STREAM_ITEM,
-        STATISTIC_STREAM_ITEM,
+        STATISTIC_STREAM_ITEM
     }
 }

app/src/main/java/org/schabi/newpipe/database/Migrations.kt

@@ -8,7 +8,6 @@ package org.schabi.newpipe.database
 
 import android.util.Log
 import androidx.room.migration.Migration
-import androidx.sqlite.db.SupportSQLiteDatabase
 import org.schabi.newpipe.MainActivity
 
 object Migrations {

app/src/main/java/org/schabi/newpipe/database/feed/dao/FeedDAO.kt

@@ -8,6 +8,7 @@ import androidx.room.Transaction
 import androidx.room.Update
 import io.reactivex.rxjava3.core.Flowable
 import io.reactivex.rxjava3.core.Maybe
+import java.time.OffsetDateTime
 import org.schabi.newpipe.database.feed.model.FeedEntity
 import org.schabi.newpipe.database.feed.model.FeedGroupEntity
 import org.schabi.newpipe.database.feed.model.FeedLastUpdatedEntity
@@ -15,7 +16,6 @@ import org.schabi.newpipe.database.stream.StreamWithState
 import org.schabi.newpipe.database.stream.model.StreamStateEntity
 import org.schabi.newpipe.database.subscription.NotificationMode
 import org.schabi.newpipe.database.subscription.SubscriptionEntity
-import java.time.OffsetDateTime
 
 @Dao
 abstract class FeedDAO {

app/src/main/java/org/schabi/newpipe/database/feed/model/FeedEntity.kt

@@ -19,13 +19,17 @@ import org.schabi.newpipe.database.subscription.SubscriptionEntity
             entity = StreamEntity::class,
             parentColumns = [StreamEntity.STREAM_ID],
             childColumns = [STREAM_ID],
-            onDelete = ForeignKey.CASCADE, onUpdate = ForeignKey.CASCADE, deferred = true
+            onDelete = ForeignKey.CASCADE,
+            onUpdate = ForeignKey.CASCADE,
+            deferred = true
         ),
         ForeignKey(
             entity = SubscriptionEntity::class,
             parentColumns = [SubscriptionEntity.SUBSCRIPTION_UID],
             childColumns = [SUBSCRIPTION_ID],
-            onDelete = ForeignKey.CASCADE, onUpdate = ForeignKey.CASCADE, deferred = true
+            onDelete = ForeignKey.CASCADE,
+            onUpdate = ForeignKey.CASCADE,
+            deferred = true
         )
     ]
 )

app/src/main/java/org/schabi/newpipe/database/feed/model/FeedGroupSubscriptionEntity.kt

@@ -18,14 +18,18 @@ import org.schabi.newpipe.database.subscription.SubscriptionEntity
             entity = FeedGroupEntity::class,
             parentColumns = [FeedGroupEntity.ID],
             childColumns = [GROUP_ID],
-            onDelete = ForeignKey.CASCADE, onUpdate = ForeignKey.CASCADE, deferred = true
+            onDelete = ForeignKey.CASCADE,
+            onUpdate = ForeignKey.CASCADE,
+            deferred = true
         ),
 
         ForeignKey(
             entity = SubscriptionEntity::class,
             parentColumns = [SubscriptionEntity.SUBSCRIPTION_UID],
             childColumns = [SUBSCRIPTION_ID],
-            onDelete = ForeignKey.CASCADE, onUpdate = ForeignKey.CASCADE, deferred = true
+            onDelete = ForeignKey.CASCADE,
+            onUpdate = ForeignKey.CASCADE,
+            deferred = true
         )
     ]
 )

app/src/main/java/org/schabi/newpipe/database/feed/model/FeedLastUpdatedEntity.kt

@@ -4,10 +4,10 @@ import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.ForeignKey
 import androidx.room.PrimaryKey
+import java.time.OffsetDateTime
 import org.schabi.newpipe.database.feed.model.FeedLastUpdatedEntity.Companion.FEED_LAST_UPDATED_TABLE
 import org.schabi.newpipe.database.feed.model.FeedLastUpdatedEntity.Companion.SUBSCRIPTION_ID
 import org.schabi.newpipe.database.subscription.SubscriptionEntity
-import java.time.OffsetDateTime
 
 @Entity(
     tableName = FEED_LAST_UPDATED_TABLE,
@@ -16,7 +16,9 @@ import java.time.OffsetDateTime
             entity = SubscriptionEntity::class,
             parentColumns = [SubscriptionEntity.SUBSCRIPTION_UID],
             childColumns = [SUBSCRIPTION_ID],
-            onDelete = ForeignKey.CASCADE, onUpdate = ForeignKey.CASCADE, deferred = true
+            onDelete = ForeignKey.CASCADE,
+            onUpdate = ForeignKey.CASCADE,
+            deferred = true
         )
     ]
 )

app/src/main/java/org/schabi/newpipe/database/history/model/SearchHistoryEntry.kt

@@ -29,7 +29,7 @@ data class SearchHistoryEntry @JvmOverloads constructor(
 
     @ColumnInfo(name = ID)
     @PrimaryKey(autoGenerate = true)
-    val id: Long = 0,
+    val id: Long = 0
 ) {
 
     @Ignore

app/src/main/java/org/schabi/newpipe/database/history/model/StreamHistoryEntity.kt

@@ -11,12 +11,12 @@ import androidx.room.Entity
 import androidx.room.ForeignKey
 import androidx.room.ForeignKey.Companion.CASCADE
 import androidx.room.Index
+import java.time.OffsetDateTime
 import org.schabi.newpipe.database.history.model.StreamHistoryEntity.Companion.JOIN_STREAM_ID
 import org.schabi.newpipe.database.history.model.StreamHistoryEntity.Companion.STREAM_ACCESS_DATE
 import org.schabi.newpipe.database.history.model.StreamHistoryEntity.Companion.STREAM_HISTORY_TABLE
 import org.schabi.newpipe.database.stream.model.StreamEntity
 import org.schabi.newpipe.database.stream.model.StreamEntity.Companion.STREAM_ID
-import java.time.OffsetDateTime
 
 /**
  * @param streamUid the stream id this history item will refer to

app/src/main/java/org/schabi/newpipe/database/history/model/StreamHistoryEntry.kt

@@ -2,10 +2,10 @@ package org.schabi.newpipe.database.history.model
 
 import androidx.room.ColumnInfo
 import androidx.room.Embedded
+import java.time.OffsetDateTime
 import org.schabi.newpipe.database.stream.model.StreamEntity
 import org.schabi.newpipe.extractor.stream.StreamInfoItem
 import org.schabi.newpipe.util.image.ImageStrategy
-import java.time.OffsetDateTime
 
 data class StreamHistoryEntry(
     @Embedded
@@ -30,16 +30,15 @@ data class StreamHistoryEntry(
             accessDate.isEqual(other.accessDate)
     }
 
-    fun toStreamInfoItem(): StreamInfoItem =
+    fun toStreamInfoItem(): StreamInfoItem = StreamInfoItem(
-        StreamInfoItem(
+        streamEntity.serviceId,
-            streamEntity.serviceId,
+        streamEntity.url,
-            streamEntity.url,
+        streamEntity.title,
-            streamEntity.title,
+        streamEntity.streamType
-            streamEntity.streamType,
+    ).apply {
-        ).apply {
+        duration = streamEntity.duration
-            duration = streamEntity.duration
+        uploaderName = streamEntity.uploader
-            uploaderName = streamEntity.uploader
+        uploaderUrl = streamEntity.uploaderUrl
-            uploaderUrl = streamEntity.uploaderUrl
+        thumbnails = ImageStrategy.dbUrlToImageList(streamEntity.thumbnailUrl)
-            thumbnails = ImageStrategy.dbUrlToImageList(streamEntity.thumbnailUrl)
+    }
-        }
 }

app/src/main/java/org/schabi/newpipe/database/playlist/model/PlaylistEntity.kt

@@ -37,7 +37,7 @@ data class PlaylistEntity @JvmOverloads constructor(
         name = item.orderingName,
         isThumbnailPermanent = item.isThumbnailPermanent!!,
         thumbnailStreamId = item.thumbnailStreamId!!,
-        displayIndex = item.displayIndex!!,
+        displayIndex = item.displayIndex!!
     )
 
     companion object {

app/src/main/java/org/schabi/newpipe/database/stream/StreamStatisticsEntry.kt

@@ -9,13 +9,13 @@ package org.schabi.newpipe.database.stream
 import androidx.room.ColumnInfo
 import androidx.room.Embedded
 import androidx.room.Ignore
+import java.time.OffsetDateTime
 import org.schabi.newpipe.database.LocalItem
 import org.schabi.newpipe.database.history.model.StreamHistoryEntity
 import org.schabi.newpipe.database.stream.model.StreamEntity
 import org.schabi.newpipe.database.stream.model.StreamStateEntity.Companion.STREAM_PROGRESS_MILLIS
 import org.schabi.newpipe.extractor.stream.StreamInfoItem
 import org.schabi.newpipe.util.image.ImageStrategy
-import java.time.OffsetDateTime
 
 data class StreamStatisticsEntry(
     @Embedded

app/src/main/java/org/schabi/newpipe/database/stream/dao/StreamDAO.kt

@@ -8,12 +8,12 @@ import androidx.room.Query
 import androidx.room.Transaction
 import io.reactivex.rxjava3.core.Completable
 import io.reactivex.rxjava3.core.Flowable
+import java.time.OffsetDateTime
 import org.schabi.newpipe.database.BasicDAO
 import org.schabi.newpipe.database.stream.model.StreamEntity
 import org.schabi.newpipe.database.stream.model.StreamEntity.Companion.STREAM_ID
 import org.schabi.newpipe.extractor.stream.StreamType
 import org.schabi.newpipe.util.StreamTypeUtil
-import java.time.OffsetDateTime
 
 @Dao
 abstract class StreamDAO : BasicDAO<StreamEntity> {
@@ -87,11 +87,10 @@ abstract class StreamDAO : BasicDAO<StreamEntity> {
 
     private fun compareAndUpdateStream(newerStream: StreamEntity) {
         val existentMinimalStream = getMinimalStreamForCompare(newerStream.serviceId, newerStream.url)
-            ?: throw IllegalStateException("Stream cannot be null just after insertion.")
+            ?: error("Stream cannot be null just after insertion.")
         newerStream.uid = existentMinimalStream.uid
 
         if (!StreamTypeUtil.isLiveStream(newerStream.streamType)) {
-
             // Use the existent upload date if the newer stream does not have a better precision
             // (i.e. is an approximation). This is done to prevent unnecessary changes.
             val hasBetterPrecision =

app/src/main/java/org/schabi/newpipe/database/stream/model/StreamEntity.kt

@@ -5,6 +5,8 @@ import androidx.room.Entity
 import androidx.room.Ignore
 import androidx.room.Index
 import androidx.room.PrimaryKey
+import java.io.Serializable
+import java.time.OffsetDateTime
 import org.schabi.newpipe.database.stream.model.StreamEntity.Companion.STREAM_SERVICE_ID
 import org.schabi.newpipe.database.stream.model.StreamEntity.Companion.STREAM_TABLE
 import org.schabi.newpipe.database.stream.model.StreamEntity.Companion.STREAM_URL
@@ -14,8 +16,6 @@ import org.schabi.newpipe.extractor.stream.StreamInfoItem
 import org.schabi.newpipe.extractor.stream.StreamType
 import org.schabi.newpipe.player.playqueue.PlayQueueItem
 import org.schabi.newpipe.util.image.ImageStrategy
-import java.io.Serializable
-import java.time.OffsetDateTime
 
 @Entity(
     tableName = STREAM_TABLE,
@@ -86,8 +86,12 @@ data class StreamEntity(
 
     @Ignore
     constructor(item: PlayQueueItem) : this(
-        serviceId = item.serviceId, url = item.url, title = item.title,
+        serviceId = item.serviceId,
-        streamType = item.streamType, duration = item.duration, uploader = item.uploader,
+        url = item.url,
+        title = item.title,
+        streamType = item.streamType,
+        duration = item.duration,
+        uploader = item.uploader,
         uploaderUrl = item.uploaderUrl,
         thumbnailUrl = ImageStrategy.imageListToDbUrl(item.thumbnails)
     )

app/src/main/java/org/schabi/newpipe/database/subscription/SubscriptionDAO.kt

@@ -100,7 +100,7 @@ abstract class SubscriptionDAO : BasicDAO<SubscriptionEntity> {
                 entity.uid = uidFromInsert
             } else {
                 val subscriptionIdFromDb = getSubscriptionIdInternal(entity.serviceId, entity.url!!)
-                    ?: throw IllegalStateException("Subscription cannot be null just after insertion.")
+                    ?: error("Subscription cannot be null just after insertion.")
                 entity.uid = subscriptionIdFromDb
 
                 update(entity)

app/src/main/java/org/schabi/newpipe/download/DownloadDialog.java

@@ -16,6 +16,7 @@ import android.os.IBinder;
 import android.provider.Settings;
 import android.util.Log;
 import android.view.LayoutInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
@@ -31,7 +32,6 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.StringRes;
 import androidx.appcompat.app.AlertDialog;
-import androidx.appcompat.view.menu.ActionMenuItemView;
 import androidx.appcompat.widget.Toolbar;
 import androidx.collection.SparseArrayCompat;
 import androidx.documentfile.provider.DocumentFile;
@@ -113,7 +113,7 @@ public class DownloadDialog extends DialogFragment
     private StoredDirectoryHelper mainStorageAudio = null;
     private StoredDirectoryHelper mainStorageVideo = null;
     private DownloadManager downloadManager = null;
-    private ActionMenuItemView okButton = null;
+    private MenuItem okButton = null;
     private Context context = null;
     private boolean askForSavePath;
 
@@ -558,17 +558,13 @@ public class DownloadDialog extends DialogFragment
         }
         boolean flag = true;
 
-        switch (checkedId) {
+        if (checkedId == R.id.audio_button) {
-            case R.id.audio_button:
+            setupAudioSpinner();
-                setupAudioSpinner();
+        } else if (checkedId == R.id.video_button) {
-                break;
+            setupVideoSpinner();
-            case R.id.video_button:
+        } else if (checkedId == R.id.subtitle_button) {
-                setupVideoSpinner();
+            setupSubtitleSpinner();
-                break;
+            flag = false;
-            case R.id.subtitle_button:
-                setupSubtitleSpinner();
-                flag = false;
-                break;
         }
 
         dialogBinding.threads.setEnabled(flag);
@@ -585,29 +581,26 @@ public class DownloadDialog extends DialogFragment
                     + "position = [" + position + "], id = [" + id + "]");
         }
 
-        switch (parent.getId()) {
+        final int parentId = parent.getId();
-            case R.id.quality_spinner:
+        if (parentId == R.id.quality_spinner) {
-                switch (dialogBinding.videoAudioGroup.getCheckedRadioButtonId()) {
+            final int checkedRadioButtonId = dialogBinding.videoAudioGroup
-                    case R.id.video_button:
+                    .getCheckedRadioButtonId();
-                        selectedVideoIndex = position;
+            if (checkedRadioButtonId == R.id.video_button) {
-                        onVideoStreamSelected();
+                selectedVideoIndex = position;
-                        break;
+                onVideoStreamSelected();
-                    case R.id.subtitle_button:
+            } else if (checkedRadioButtonId == R.id.subtitle_button) {
-                        selectedSubtitleIndex = position;
+                selectedSubtitleIndex = position;
-                        break;
+            }
-                }
+            onItemSelectedSetFileName();
-                onItemSelectedSetFileName();
+        } else if (parentId == R.id.audio_track_spinner) {
-                break;
+            final boolean trackChanged = selectedAudioTrackIndex != position;
-            case R.id.audio_track_spinner:
+            selectedAudioTrackIndex = position;
-                final boolean trackChanged = selectedAudioTrackIndex != position;
+            if (trackChanged) {
-                selectedAudioTrackIndex = position;
+                updateSecondaryStreams();
-                if (trackChanged) {
+                fetchStreamsSize();
-                    updateSecondaryStreams();
+            }
-                    fetchStreamsSize();
+        } else if (parentId == R.id.audio_stream_spinner) {
-                }
+            selectedAudioIndex = position;
-                break;
-            case R.id.audio_stream_spinner:
-                selectedAudioIndex = position;
         }
     }
 
@@ -622,23 +615,20 @@ public class DownloadDialog extends DialogFragment
                 || prevFileName.startsWith(getString(R.string.caption_file_name, fileName, ""))) {
             // only update the file name field if it was not edited by the user
 
-            switch (dialogBinding.videoAudioGroup.getCheckedRadioButtonId()) {
+            final int radioButtonId = dialogBinding.videoAudioGroup
-                case R.id.audio_button:
+                    .getCheckedRadioButtonId();
-                case R.id.video_button:
+            if (radioButtonId == R.id.audio_button || radioButtonId == R.id.video_button) {
-                    if (!prevFileName.equals(fileName)) {
+                if (!prevFileName.equals(fileName)) {
-                        // since the user might have switched between audio and video, the correct
+                    // since the user might have switched between audio and video, the correct
-                        // text might already be in place, so avoid resetting the cursor position
+                    // text might already be in place, so avoid resetting the cursor position
-                        dialogBinding.fileName.setText(fileName);
+                    dialogBinding.fileName.setText(fileName);
-                    }
+                }
-                    break;
+            } else if (radioButtonId == R.id.subtitle_button) {
-
+                final String setSubtitleLanguageCode = subtitleStreamsAdapter
-                case R.id.subtitle_button:
+                        .getItem(selectedSubtitleIndex).getLanguageTag();
-                    final String setSubtitleLanguageCode = subtitleStreamsAdapter
+                // this will reset the cursor position, which is bad UX, but it can't be avoided
-                            .getItem(selectedSubtitleIndex).getLanguageTag();
+                dialogBinding.fileName.setText(getString(
-                    // this will reset the cursor position, which is bad UX, but it can't be avoided
+                        R.string.caption_file_name, fileName, setSubtitleLanguageCode));
-                    dialogBinding.fileName.setText(getString(
-                            R.string.caption_file_name, fileName, setSubtitleLanguageCode));
-                    break;
             }
         }
     }
@@ -770,47 +760,44 @@ public class DownloadDialog extends DialogFragment
 
         filenameTmp = getNameEditText().concat(".");
 
-        switch (dialogBinding.videoAudioGroup.getCheckedRadioButtonId()) {
+        final int checkedRadioButtonId = dialogBinding.videoAudioGroup.getCheckedRadioButtonId();
-            case R.id.audio_button:
+        if (checkedRadioButtonId == R.id.audio_button) {
-                selectedMediaType = getString(R.string.last_download_type_audio_key);
+            selectedMediaType = getString(R.string.last_download_type_audio_key);
-                mainStorage = mainStorageAudio;
+            mainStorage = mainStorageAudio;
-                format = audioStreamsAdapter.getItem(selectedAudioIndex).getFormat();
+            format = audioStreamsAdapter.getItem(selectedAudioIndex).getFormat();
-                size = getWrappedAudioStreams().getSizeInBytes(selectedAudioIndex);
+            size = getWrappedAudioStreams().getSizeInBytes(selectedAudioIndex);
-                if (format == MediaFormat.WEBMA_OPUS) {
+            if (format == MediaFormat.WEBMA_OPUS) {
-                    mimeTmp = "audio/ogg";
+                mimeTmp = "audio/ogg";
-                    filenameTmp += "opus";
+                filenameTmp += "opus";
-                } else if (format != null) {
+            } else if (format != null) {
-                    mimeTmp = format.mimeType;
+                mimeTmp = format.mimeType;
-                    filenameTmp += format.getSuffix();
+                filenameTmp += format.getSuffix();
-                }
+            }
-                break;
+        } else if (checkedRadioButtonId == R.id.video_button) {
-            case R.id.video_button:
+            selectedMediaType = getString(R.string.last_download_type_video_key);
-                selectedMediaType = getString(R.string.last_download_type_video_key);
+            mainStorage = mainStorageVideo;
-                mainStorage = mainStorageVideo;
+            format = videoStreamsAdapter.getItem(selectedVideoIndex).getFormat();
-                format = videoStreamsAdapter.getItem(selectedVideoIndex).getFormat();
+            size = wrappedVideoStreams.getSizeInBytes(selectedVideoIndex);
-                size = wrappedVideoStreams.getSizeInBytes(selectedVideoIndex);
+            if (format != null) {
-                if (format != null) {
+                mimeTmp = format.mimeType;
-                    mimeTmp = format.mimeType;
+                filenameTmp += format.getSuffix();
-                    filenameTmp += format.getSuffix();
+            }
-                }
+        } else if (checkedRadioButtonId == R.id.subtitle_button) {
-                break;
+            selectedMediaType = getString(R.string.last_download_type_subtitle_key);
-            case R.id.subtitle_button:
+            mainStorage = mainStorageVideo; // subtitle & video files go together
-                selectedMediaType = getString(R.string.last_download_type_subtitle_key);
+            format = subtitleStreamsAdapter.getItem(selectedSubtitleIndex).getFormat();
-                mainStorage = mainStorageVideo; // subtitle & video files go together
+            size = wrappedSubtitleStreams.getSizeInBytes(selectedSubtitleIndex);
-                format = subtitleStreamsAdapter.getItem(selectedSubtitleIndex).getFormat();
+            if (format != null) {
-                size = wrappedSubtitleStreams.getSizeInBytes(selectedSubtitleIndex);
+                mimeTmp = format.mimeType;
-                if (format != null) {
+            }
-                    mimeTmp = format.mimeType;
-                }
 
-                if (format == MediaFormat.TTML) {
+            if (format == MediaFormat.TTML) {
-                    filenameTmp += MediaFormat.SRT.getSuffix();
+                filenameTmp += MediaFormat.SRT.getSuffix();
-                } else if (format != null) {
+            } else if (format != null) {
-                    filenameTmp += format.getSuffix();
+                filenameTmp += format.getSuffix();
-                }
+            }
-                break;
+        } else {
-            default:
+            throw new RuntimeException("No stream selected");
-                throw new RuntimeException("No stream selected");
         }
 
         if (!askForSavePath && (mainStorage == null
@@ -1057,59 +1044,56 @@ public class DownloadDialog extends DialogFragment
         long nearLength = 0;
 
         // more download logic: select muxer, subtitle converter, etc.
-        switch (dialogBinding.videoAudioGroup.getCheckedRadioButtonId()) {
+        final int checkedRadioButtonId = dialogBinding.videoAudioGroup.getCheckedRadioButtonId();
-            case R.id.audio_button:
+        if (checkedRadioButtonId == R.id.audio_button) {
-                kind = 'a';
+            kind = 'a';
-                selectedStream = audioStreamsAdapter.getItem(selectedAudioIndex);
+            selectedStream = audioStreamsAdapter.getItem(selectedAudioIndex);
 
-                if (selectedStream.getFormat() == MediaFormat.M4A) {
+            if (selectedStream.getFormat() == MediaFormat.M4A) {
-                    psName = Postprocessing.ALGORITHM_M4A_NO_DASH;
+                psName = Postprocessing.ALGORITHM_M4A_NO_DASH;
-                } else if (selectedStream.getFormat() == MediaFormat.WEBMA_OPUS) {
+            } else if (selectedStream.getFormat() == MediaFormat.WEBMA_OPUS) {
-                    psName = Postprocessing.ALGORITHM_OGG_FROM_WEBM_DEMUXER;
+                psName = Postprocessing.ALGORITHM_OGG_FROM_WEBM_DEMUXER;
+            }
+        } else if (checkedRadioButtonId == R.id.video_button) {
+            kind = 'v';
+            selectedStream = videoStreamsAdapter.getItem(selectedVideoIndex);
+
+            final SecondaryStreamHelper<AudioStream> secondary = videoStreamsAdapter
+                    .getAllSecondary()
+                    .get(wrappedVideoStreams.getStreamsList().indexOf(selectedStream));
+
+            if (secondary != null) {
+                secondaryStream = secondary.getStream();
+
+                if (selectedStream.getFormat() == MediaFormat.MPEG_4) {
+                    psName = Postprocessing.ALGORITHM_MP4_FROM_DASH_MUXER;
+                } else {
+                    psName = Postprocessing.ALGORITHM_WEBM_MUXER;
                 }
-                break;
-            case R.id.video_button:
-                kind = 'v';
-                selectedStream = videoStreamsAdapter.getItem(selectedVideoIndex);
 
-                final SecondaryStreamHelper<AudioStream> secondary = videoStreamsAdapter
+                final long videoSize = wrappedVideoStreams.getSizeInBytes(
-                        .getAllSecondary()
+                        (VideoStream) selectedStream);
-                        .get(wrappedVideoStreams.getStreamsList().indexOf(selectedStream));
 
-                if (secondary != null) {
+                // set nearLength, only, if both sizes are fetched or known. This probably
-                    secondaryStream = secondary.getStream();
+                // does not work on slow networks but is later updated in the downloader
-
+                if (secondary.getSizeInBytes() > 0 && videoSize > 0) {
-                    if (selectedStream.getFormat() == MediaFormat.MPEG_4) {
+                    nearLength = secondary.getSizeInBytes() + videoSize;
-                        psName = Postprocessing.ALGORITHM_MP4_FROM_DASH_MUXER;
-                    } else {
-                        psName = Postprocessing.ALGORITHM_WEBM_MUXER;
-                    }
-
-                    final long videoSize = wrappedVideoStreams.getSizeInBytes(
-                            (VideoStream) selectedStream);
-
-                    // set nearLength, only, if both sizes are fetched or known. This probably
-                    // does not work on slow networks but is later updated in the downloader
-                    if (secondary.getSizeInBytes() > 0 && videoSize > 0) {
-                        nearLength = secondary.getSizeInBytes() + videoSize;
-                    }
                 }
-                break;
+            }
-            case R.id.subtitle_button:
+        } else if (checkedRadioButtonId == R.id.subtitle_button) {
-                threads = 1; // use unique thread for subtitles due small file size
+            threads = 1; // use unique thread for subtitles due small file size
-                kind = 's';
+            kind = 's';
-                selectedStream = subtitleStreamsAdapter.getItem(selectedSubtitleIndex);
+            selectedStream = subtitleStreamsAdapter.getItem(selectedSubtitleIndex);
 
-                if (selectedStream.getFormat() == MediaFormat.TTML) {
+            if (selectedStream.getFormat() == MediaFormat.TTML) {
-                    psName = Postprocessing.ALGORITHM_TTML_CONVERTER;
+                psName = Postprocessing.ALGORITHM_TTML_CONVERTER;
-                    psArgs = new String[] {
+                psArgs = new String[]{
-                            selectedStream.getFormat().getSuffix(),
+                        selectedStream.getFormat().getSuffix(),
-                            "false" // ignore empty frames
+                        "false" // ignore empty frames
-                    };
+                };
-                }
+            }
-                break;
+        } else {
-            default:
+            return;
-                return;
         }
 
         if (secondaryStream == null) {

app/src/main/java/org/schabi/newpipe/error/ErrorActivity.java

@@ -133,17 +133,16 @@ public class ErrorActivity extends AppCompatActivity {
 
     @Override
     public boolean onOptionsItemSelected(final MenuItem item) {
-        switch (item.getItemId()) {
+        final int itemId = item.getItemId();
-            case android.R.id.home:
+        if (itemId == android.R.id.home) {
-                onBackPressed();
+            onBackPressed();
-                return true;
+            return true;
-            case R.id.menu_item_share_error:
+        } else if (itemId == R.id.menu_item_share_error) {
-                ShareUtils.shareText(getApplicationContext(),
+            ShareUtils.shareText(getApplicationContext(),
-                        getString(R.string.error_report_title), buildJson());
+                    getString(R.string.error_report_title), buildJson());
-                return true;
+            return true;
-            default:
-                return false;
         }
+        return false;
     }
 
     private void openPrivacyPolicyDialog(final Context context, final String action) {

app/src/main/java/org/schabi/newpipe/error/ErrorInfo.kt

@@ -7,6 +7,7 @@ import androidx.core.content.ContextCompat
 import com.google.android.exoplayer2.ExoPlaybackException
 import com.google.android.exoplayer2.upstream.HttpDataSource
 import com.google.android.exoplayer2.upstream.Loader
+import java.net.UnknownHostException
 import kotlinx.parcelize.Parcelize
 import org.schabi.newpipe.R
 import org.schabi.newpipe.extractor.Info
@@ -28,7 +29,6 @@ import org.schabi.newpipe.extractor.exceptions.YoutubeMusicPremiumContentExcepti
 import org.schabi.newpipe.ktx.isNetworkRelated
 import org.schabi.newpipe.player.mediasource.FailedMediaSource
 import org.schabi.newpipe.player.resolver.PlaybackResolver
-import java.net.UnknownHostException
 
 /**
  * An error has occurred in the app. This class contains plain old parcelable data that can be used
@@ -59,7 +59,7 @@ class ErrorInfo private constructor(
      * If present, this resource can alternatively be opened in browser (useful if NewPipe is
      * badly broken).
      */
-    val openInBrowserUrl: String?,
+    val openInBrowserUrl: String?
 ) : Parcelable {
 
     @JvmOverloads
@@ -68,7 +68,7 @@ class ErrorInfo private constructor(
         userAction: UserAction,
         request: String,
         serviceId: Int? = null,
-        openInBrowserUrl: String? = null,
+        openInBrowserUrl: String? = null
     ) : this(
         throwableToStringList(throwable),
         userAction,
@@ -78,7 +78,7 @@ class ErrorInfo private constructor(
         isReportable(throwable),
         isRetryable(throwable),
         (throwable as? ReCaptchaException)?.url,
-        openInBrowserUrl,
+        openInBrowserUrl
     )
 
     @JvmOverloads
@@ -87,7 +87,7 @@ class ErrorInfo private constructor(
         userAction: UserAction,
         request: String,
         serviceId: Int? = null,
-        openInBrowserUrl: String? = null,
+        openInBrowserUrl: String? = null
     ) : this(
         throwableListToStringList(throwables),
         userAction,
@@ -97,7 +97,7 @@ class ErrorInfo private constructor(
         throwables.any(::isReportable),
         throwables.isEmpty() || throwables.any(::isRetryable),
         throwables.firstNotNullOfOrNull { it as? ReCaptchaException }?.url,
-        openInBrowserUrl,
+        openInBrowserUrl
     )
 
     // constructor to manually build ErrorInfo when no throwable is available
@@ -118,7 +118,7 @@ class ErrorInfo private constructor(
         throwable: Throwable,
         userAction: UserAction,
         request: String,
-        info: Info?,
+        info: Info?
     ) :
         this(throwable, userAction, request, info?.serviceId, info?.url)
 
@@ -127,7 +127,7 @@ class ErrorInfo private constructor(
         throwables: List<Throwable>,
         userAction: UserAction,
         request: String,
-        info: Info?,
+        info: Info?
     ) :
         this(throwables, userAction, request, info?.serviceId, info?.url)
 
@@ -144,7 +144,7 @@ class ErrorInfo private constructor(
         class ErrorMessage(
             @StringRes
             private val stringRes: Int,
-            private vararg val formatArgs: String,
+            private vararg val formatArgs: String
         ) : Parcelable {
             fun getString(context: Context): String {
                 return if (formatArgs.isEmpty()) {
@@ -160,21 +160,19 @@ class ErrorInfo private constructor(
 
         const val SERVICE_NONE = "<unknown_service>"
 
-        private fun getServiceName(serviceId: Int?) =
+        private fun getServiceName(serviceId: Int?) = // not using getNameOfServiceById since we want to accept a nullable serviceId and we
-            // not using getNameOfServiceById since we want to accept a nullable serviceId and we
             // want to default to SERVICE_NONE
-            ServiceList.all()?.firstOrNull { it.serviceId == serviceId }?.serviceInfo?.name
+            ServiceList.all().firstOrNull { it.serviceId == serviceId }?.serviceInfo?.name
                 ?: SERVICE_NONE
 
         fun throwableToStringList(throwable: Throwable) = arrayOf(throwable.stackTraceToString())
 
-        fun throwableListToStringList(throwableList: List<Throwable>) =
+        fun throwableListToStringList(throwableList: List<Throwable>) = throwableList.map { it.stackTraceToString() }.toTypedArray()
-            throwableList.map { it.stackTraceToString() }.toTypedArray()
 
         fun getMessage(
             throwable: Throwable?,
             action: UserAction?,
-            serviceId: Int?,
+            serviceId: Int?
         ): ErrorMessage {
             return when {
                 // player exceptions
@@ -193,18 +191,24 @@ class ErrorInfo private constructor(
                                 ErrorMessage(R.string.player_http_invalid_status, cause.responseCode.toString())
                             }
                         }
+
                         cause is Loader.UnexpectedLoaderException && cause.cause is ExtractionException ->
                             getMessage(throwable, action, serviceId)
+
                         throwable.type == ExoPlaybackException.TYPE_SOURCE ->
                             ErrorMessage(R.string.player_stream_failure)
+
                         throwable.type == ExoPlaybackException.TYPE_UNEXPECTED ->
                             ErrorMessage(R.string.player_recoverable_failure)
+
                         else ->
                             ErrorMessage(R.string.player_unrecoverable_failure)
                     }
                 }
+
                 throwable is FailedMediaSource.FailedMediaSourceException ->
                     getMessage(throwable.cause, action, serviceId)
+
                 throwable is PlaybackResolver.ResolverException ->
                     ErrorMessage(R.string.player_stream_failure)
 
@@ -220,34 +224,46 @@ class ErrorInfo private constructor(
                             )
                         }
                         ?: ErrorMessage(R.string.account_terminated)
+
                 throwable is AgeRestrictedContentException ->
                     ErrorMessage(R.string.restricted_video_no_stream)
+
                 throwable is GeographicRestrictionException ->
                     ErrorMessage(R.string.georestricted_content)
+
                 throwable is PaidContentException ->
                     ErrorMessage(R.string.paid_content)
+
                 throwable is PrivateContentException ->
                     ErrorMessage(R.string.private_content)
+
                 throwable is SoundCloudGoPlusContentException ->
                     ErrorMessage(R.string.soundcloud_go_plus_content)
+
                 throwable is UnsupportedContentInCountryException ->
                     ErrorMessage(R.string.unsupported_content_in_country)
+
                 throwable is YoutubeMusicPremiumContentException ->
                     ErrorMessage(R.string.youtube_music_premium_content)
+
                 throwable is SignInConfirmNotBotException ->
                     ErrorMessage(R.string.sign_in_confirm_not_bot_error, getServiceName(serviceId))
+
                 throwable is ContentNotAvailableException ->
                     ErrorMessage(R.string.content_not_available)
 
                 // other extractor exceptions
                 throwable is ContentNotSupportedException ->
                     ErrorMessage(R.string.content_not_supported)
+
                 // ReCaptchas will be handled in a special way anyway
                 throwable is ReCaptchaException ->
                     ErrorMessage(R.string.recaptcha_request_toast)
+
                 // test this at the end as many exceptions could be a subclass of IOException
                 throwable != null && throwable.isNetworkRelated ->
                     ErrorMessage(R.string.network_error)
+
                 // an extraction exception unrelated to the network
                 // is likely an issue with parsing the website
                 throwable is ExtractionException ->
@@ -256,16 +272,22 @@ class ErrorInfo private constructor(
                 // user actions (in case the exception is null or unrecognizable)
                 action == UserAction.UI_ERROR ->
                     ErrorMessage(R.string.app_ui_crash)
+
                 action == UserAction.REQUESTED_COMMENTS ->
                     ErrorMessage(R.string.error_unable_to_load_comments)
+
                 action == UserAction.SUBSCRIPTION_CHANGE ->
                     ErrorMessage(R.string.subscription_change_failed)
+
                 action == UserAction.SUBSCRIPTION_UPDATE ->
                     ErrorMessage(R.string.subscription_update_failed)
+
                 action == UserAction.LOAD_IMAGE ->
                     ErrorMessage(R.string.could_not_load_thumbnails)
+
                 action == UserAction.DOWNLOAD_OPEN_DIALOG ->
                     ErrorMessage(R.string.could_not_setup_download_menu)
+
                 else ->
                     ErrorMessage(R.string.error_snackbar_message)
             }
@@ -276,15 +298,19 @@ class ErrorInfo private constructor(
                 // we don't have an exception, so this is a manually built error, which likely
                 // indicates that it's important and is thus reportable
                 null -> true
-                // the service explicitly said that content is not available (e.g. age restrictions,
+
-                // video deleted, etc.), there is no use in letting users report it
+                // if the service explicitly said that content is not available (e.g. age
-                is ContentNotAvailableException -> false
+                // restrictions, video deleted, etc.), there is no use in letting users report it
+                is ContentNotAvailableException -> !isContentSurelyNotAvailable(throwable)
+
                 // we know the content is not supported, no need to let the user report it
                 is ContentNotSupportedException -> false
+
                 // happens often when there is no internet connection; we don't use
                 // `throwable.isNetworkRelated` since any `IOException` would make that function
                 // return true, but not all `IOException`s are network related
                 is UnknownHostException -> false
+
                 // by default, this is an unexpected exception, which the user could report
                 else -> true
             }
@@ -292,14 +318,39 @@ class ErrorInfo private constructor(
 
         fun isRetryable(throwable: Throwable?): Boolean {
             return when (throwable) {
-                // we know the content is not available, retrying won't help
+                // if we know the content is surely not available, retrying won't help
-                is ContentNotAvailableException -> false
+                is ContentNotAvailableException -> !isContentSurelyNotAvailable(throwable)
+
                 // we know the content is not supported, retrying won't help
                 is ContentNotSupportedException -> false
+
                 // by default (including if throwable is null), enable retrying (though the retry
                 // button will be shown only if a way to perform the retry is implemented)
                 else -> true
             }
         }
+
+        /**
+         * Unfortunately sometimes [ContentNotAvailableException] may not indicate that the content
+         * is blocked/deleted/paid, but may just indicate that we could not extract it. This is an
+         * inconsistency in the exceptions thrown by the extractor, but until it is fixed, this
+         * function will distinguish between the two types.
+         * @return `true` if the content is not available because of a limitation imposed by the
+         * service or the owner, `false` if the extractor could not extract info about it
+         */
+        fun isContentSurelyNotAvailable(e: ContentNotAvailableException): Boolean {
+            return when (e) {
+                is AccountTerminatedException,
+                is AgeRestrictedContentException,
+                is GeographicRestrictionException,
+                is PaidContentException,
+                is PrivateContentException,
+                is SoundCloudGoPlusContentException,
+                is UnsupportedContentInCountryException,
+                is YoutubeMusicPremiumContentException -> true
+
+                else -> false
+            }
+        }
     }
 }

app/src/main/java/org/schabi/newpipe/error/ErrorPanelHelper.kt

@@ -11,16 +11,16 @@ import androidx.fragment.app.Fragment
 import com.jakewharton.rxbinding4.view.clicks
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.disposables.Disposable
+import java.util.concurrent.TimeUnit
 import org.schabi.newpipe.MainActivity
 import org.schabi.newpipe.R
 import org.schabi.newpipe.ktx.animate
 import org.schabi.newpipe.util.external_communication.ShareUtils
-import java.util.concurrent.TimeUnit
 
 class ErrorPanelHelper(
     private val fragment: Fragment,
     rootView: View,
-    onRetry: Runnable?,
+    onRetry: Runnable?
 ) {
     private val context: Context = rootView.context!!
 

app/src/main/java/org/schabi/newpipe/error/ErrorUtil.kt

@@ -46,7 +46,7 @@ class ErrorUtil {
         @JvmStatic
         fun openActivity(context: Context, errorInfo: ErrorInfo) {
             if (PreferenceManager.getDefaultSharedPreferences(context)
-                .getBoolean(MainActivity.KEY_IS_IN_BACKGROUND, true)
+                    .getBoolean(MainActivity.KEY_IS_IN_BACKGROUND, true)
             ) {
                 createNotification(context, errorInfo)
             } else {
@@ -134,8 +134,11 @@ class ErrorUtil {
                         )
                     )
 
-            NotificationManagerCompat.from(context)
+            val notificationManager = NotificationManagerCompat.from(context)
-                .notify(ERROR_REPORT_NOTIFICATION_ID, notificationBuilder.build())
+            if (notificationManager.areNotificationsEnabled()) {
+                notificationManager
+                    .notify(ERROR_REPORT_NOTIFICATION_ID, notificationBuilder.build())
+            }
 
             ContextCompat.getMainExecutor(context).execute {
                 // since the notification is silent, also show a toast, otherwise the user is confused

app/src/main/java/org/schabi/newpipe/error/ReCaptchaActivity.java

@@ -126,6 +126,7 @@ public class ReCaptchaActivity extends AppCompatActivity {
     }
 
     @Override
+    @SuppressLint("MissingSuperCall")
     public void onBackPressed() {
         saveCookiesAndFinish();
     }

app/src/main/java/org/schabi/newpipe/error/UserAction.kt

@@ -40,5 +40,5 @@ enum class UserAction(val message: String) {
     OPEN_INFO_ITEM_DIALOG("open info item dialog"),
     GETTING_MAIN_SCREEN_TAB("getting main screen tab"),
     PLAY_ON_POPUP("play on popup"),
-    SUBSCRIPTIONS("loading subscriptions");
+    SUBSCRIPTIONS("loading subscriptions")
 }

app/src/main/java/org/schabi/newpipe/fragments/detail/VideoDetailFragment.java

@@ -206,8 +206,6 @@ public final class VideoDetailFragment
     int lastStableBottomSheetState = BottomSheetBehavior.STATE_EXPANDED;
     @State
     protected boolean autoPlayEnabled = true;
-    @State
-    protected int originalOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
 
     @Nullable
     private StreamInfo currentInfo = null;
@@ -1424,8 +1422,10 @@ public final class VideoDetailFragment
                             bottomSheetBehavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
                         }
                         // Rebound to the service if it was closed via notification or mini player
-                        playerHolder.setListener(VideoDetailFragment.this);
+                        if (!playerHolder.isBound()) {
-                        playerHolder.tryBindIfNeeded(context);
+                            playerHolder.startService(
+                                    false, VideoDetailFragment.this);
+                        }
                         break;
                 }
             }
@@ -1908,29 +1908,23 @@ public final class VideoDetailFragment
 
     @Override
     public void onScreenRotationButtonClicked() {
-        final Optional<MainPlayerUi> playerUi = player != null
+        // On Android TV screen rotation is not supported
-                ? player.UIs().get(MainPlayerUi.class)
+        // In tablet user experience will be better if screen will not be rotated
-                : Optional.empty();
+        // from landscape to portrait every time.
-        if (playerUi.isEmpty()) {
+        // Just turn on fullscreen mode in landscape orientation
+        // or portrait & unlocked global orientation
+        final boolean isLandscape = DeviceUtils.isLandscape(requireContext());
+        if (DeviceUtils.isTv(activity) || DeviceUtils.isTablet(activity)
+                && (!globalScreenOrientationLocked(activity) || isLandscape)) {
+            player.UIs().get(MainPlayerUi.class).ifPresent(MainPlayerUi::toggleFullscreen);
             return;
         }
 
-        // On tablets and TVs, just toggle fullscreen UI without orientation change.
+        final int newOrientation = isLandscape
-        if (DeviceUtils.isTablet(activity) || DeviceUtils.isTv(activity)) {
+                ? ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
-            playerUi.get().toggleFullscreen();
+                : ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
-            return;
-        }
 
-        if (playerUi.get().isFullscreen()) {
+        activity.setRequestedOrientation(newOrientation);
-            // EXITING FULLSCREEN
-            playerUi.get().toggleFullscreen();
-            activity.setRequestedOrientation(originalOrientation);
-        } else {
-            // ENTERING FULLSCREEN
-            originalOrientation = activity.getRequestedOrientation();
-            playerUi.get().toggleFullscreen();
-            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);
-        }
     }
 
     /*

app/src/main/java/org/schabi/newpipe/fragments/list/channel/ChannelFragment.java

@@ -160,34 +160,29 @@ public class ChannelFragment extends BaseStateFragment<ChannelInfo>
 
                 @Override
                 public boolean onMenuItemSelected(@NonNull final MenuItem item) {
-                    switch (item.getItemId()) {
+                    final int itemId = item.getItemId();
-                        case R.id.menu_item_notify:
+                    if (itemId == R.id.menu_item_notify) {
-                            final boolean value = !item.isChecked();
+                        final boolean value = !item.isChecked();
-                            item.setEnabled(false);
+                        item.setEnabled(false);
-                            setNotify(value);
+                        setNotify(value);
-                            break;
+                    } else if (itemId == R.id.action_settings) {
-                        case R.id.action_settings:
+                        NavigationHelper.openSettings(requireContext());
-                            NavigationHelper.openSettings(requireContext());
+                    } else if (itemId == R.id.menu_item_rss) {
-                            break;
+                        if (currentInfo != null) {
-                        case R.id.menu_item_rss:
+                            ShareUtils.openUrlInApp(requireContext(), currentInfo.getFeedUrl());
-                            if (currentInfo != null) {
+                        }
-                                ShareUtils.openUrlInApp(requireContext(), currentInfo.getFeedUrl());
+                    } else if (itemId == R.id.menu_item_openInBrowser) {
-                            }
+                        if (currentInfo != null) {
-                            break;
+                            ShareUtils.openUrlInBrowser(requireContext(),
-                        case R.id.menu_item_openInBrowser:
+                                    currentInfo.getOriginalUrl());
-                            if (currentInfo != null) {
+                        }
-                                ShareUtils.openUrlInBrowser(requireContext(),
+                    } else if (itemId == R.id.menu_item_share) {
-                                        currentInfo.getOriginalUrl());
+                        if (currentInfo != null) {
-                            }
+                            ShareUtils.shareText(requireContext(), name,
-                            break;
+                                    currentInfo.getOriginalUrl(), currentInfo.getAvatars());
-                        case R.id.menu_item_share:
+                        }
-                            if (currentInfo != null) {
+                    } else {
-                                ShareUtils.shareText(requireContext(), name,
+                        return false;
-                                        currentInfo.getOriginalUrl(), currentInfo.getAvatars());
-                            }
-                            break;
-                        default:
-                            return false;
                     }
                     return true;
                 }

app/src/main/java/org/schabi/newpipe/fragments/list/playlist/PlaylistFragment.java

@@ -232,35 +232,30 @@ public class PlaylistFragment extends BaseListInfoFragment<StreamInfoItem, Playl
 
     @Override
     public boolean onOptionsItemSelected(final MenuItem item) {
-        switch (item.getItemId()) {
+        final int itemId = item.getItemId();
-            case R.id.action_settings:
+        if (itemId == R.id.action_settings) {
-                NavigationHelper.openSettings(requireContext());
+            NavigationHelper.openSettings(requireContext());
-                break;
+        } else if (itemId == R.id.menu_item_openInBrowser) {
-            case R.id.menu_item_openInBrowser:
+            ShareUtils.openUrlInBrowser(requireContext(), url);
-                ShareUtils.openUrlInBrowser(requireContext(), url);
+        } else if (itemId == R.id.menu_item_share) {
-                break;
+            ShareUtils.shareText(requireContext(), name, url,
-            case R.id.menu_item_share:
+                    currentInfo == null ? List.of() : currentInfo.getThumbnails());
-                ShareUtils.shareText(requireContext(), name, url,
+        } else if (itemId == R.id.menu_item_bookmark) {
-                        currentInfo == null ? List.of() : currentInfo.getThumbnails());
+            onBookmarkClicked();
-                break;
+        } else if (itemId == R.id.menu_item_append_playlist) {
-            case R.id.menu_item_bookmark:
+            if (currentInfo != null) {
-                onBookmarkClicked();
+                disposables.add(PlaylistDialog.createCorrespondingDialog(
-                break;
+                        getContext(),
-            case R.id.menu_item_append_playlist:
+                        getPlayQueue()
-                if (currentInfo != null) {
+                                .getStreams()
-                    disposables.add(PlaylistDialog.createCorrespondingDialog(
+                                .stream()
-                            getContext(),
+                                .map(StreamEntity::new)
-                            getPlayQueue()
+                                .collect(Collectors.toList()),
-                                    .getStreams()
+                        dialog -> dialog.show(getFM(), TAG)
-                                    .stream()
+                ));
-                                    .map(StreamEntity::new)
+            }
-                                    .collect(Collectors.toList()),
+        } else {
-                            dialog -> dialog.show(getFM(), TAG)
+            return super.onOptionsItemSelected(item);
-                    ));
-                }
-                break;
-            default:
-                return super.onOptionsItemSelected(item);
         }
         return true;
     }

app/src/main/java/org/schabi/newpipe/info_list/InfoItemBuilder.java

@@ -1,131 +0,0 @@
-package org.schabi.newpipe.info_list;
-
-import android.content.Context;
-import android.view.View;
-import android.view.ViewGroup;
-
-import androidx.annotation.NonNull;
-
-import org.schabi.newpipe.extractor.InfoItem;
-import org.schabi.newpipe.extractor.channel.ChannelInfoItem;
-import org.schabi.newpipe.extractor.comments.CommentsInfoItem;
-import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem;
-import org.schabi.newpipe.extractor.stream.StreamInfoItem;
-import org.schabi.newpipe.info_list.holder.ChannelInfoItemHolder;
-import org.schabi.newpipe.info_list.holder.ChannelMiniInfoItemHolder;
-import org.schabi.newpipe.info_list.holder.CommentInfoItemHolder;
-import org.schabi.newpipe.info_list.holder.InfoItemHolder;
-import org.schabi.newpipe.info_list.holder.PlaylistInfoItemHolder;
-import org.schabi.newpipe.info_list.holder.PlaylistMiniInfoItemHolder;
-import org.schabi.newpipe.info_list.holder.StreamInfoItemHolder;
-import org.schabi.newpipe.info_list.holder.StreamMiniInfoItemHolder;
-import org.schabi.newpipe.local.history.HistoryRecordManager;
-import org.schabi.newpipe.util.OnClickGesture;
-
-/*
- * Created by Christian Schabesberger on 26.09.16.
- * <p>
- * Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
- * InfoItemBuilder.java is part of NewPipe.
- * </p>
- * <p>
- * NewPipe is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * </p>
- * <p>
- * NewPipe is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * </p>
- * <p>
- * You should have received a copy of the GNU General Public License
- * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
- * </p>
- */
-
-public class InfoItemBuilder {
-    private final Context context;
-
-    private OnClickGesture<StreamInfoItem> onStreamSelectedListener;
-    private OnClickGesture<ChannelInfoItem> onChannelSelectedListener;
-    private OnClickGesture<PlaylistInfoItem> onPlaylistSelectedListener;
-    private OnClickGesture<CommentsInfoItem> onCommentsSelectedListener;
-
-    public InfoItemBuilder(final Context context) {
-        this.context = context;
-    }
-
-    public View buildView(@NonNull final ViewGroup parent, @NonNull final InfoItem infoItem,
-                          final HistoryRecordManager historyRecordManager) {
-        return buildView(parent, infoItem, historyRecordManager, false);
-    }
-
-    public View buildView(@NonNull final ViewGroup parent, @NonNull final InfoItem infoItem,
-                          final HistoryRecordManager historyRecordManager,
-                          final boolean useMiniVariant) {
-        final InfoItemHolder holder =
-                holderFromInfoType(parent, infoItem.getInfoType(), useMiniVariant);
-        holder.updateFromItem(infoItem, historyRecordManager);
-        return holder.itemView;
-    }
-
-    private InfoItemHolder holderFromInfoType(@NonNull final ViewGroup parent,
-                                              @NonNull final InfoItem.InfoType infoType,
-                                              final boolean useMiniVariant) {
-        switch (infoType) {
-            case STREAM:
-                return useMiniVariant ? new StreamMiniInfoItemHolder(this, parent)
-                        : new StreamInfoItemHolder(this, parent);
-            case CHANNEL:
-                return useMiniVariant ? new ChannelMiniInfoItemHolder(this, parent)
-                        : new ChannelInfoItemHolder(this, parent);
-            case PLAYLIST:
-                return useMiniVariant ? new PlaylistMiniInfoItemHolder(this, parent)
-                        : new PlaylistInfoItemHolder(this, parent);
-            case COMMENT:
-                return new CommentInfoItemHolder(this, parent);
-            default:
-                throw new RuntimeException("InfoType not expected = " + infoType.name());
-        }
-    }
-
-    public Context getContext() {
-        return context;
-    }
-
-    public OnClickGesture<StreamInfoItem> getOnStreamSelectedListener() {
-        return onStreamSelectedListener;
-    }
-
-    public void setOnStreamSelectedListener(final OnClickGesture<StreamInfoItem> listener) {
-        this.onStreamSelectedListener = listener;
-    }
-
-    public OnClickGesture<ChannelInfoItem> getOnChannelSelectedListener() {
-        return onChannelSelectedListener;
-    }
-
-    public void setOnChannelSelectedListener(final OnClickGesture<ChannelInfoItem> listener) {
-        this.onChannelSelectedListener = listener;
-    }
-
-    public OnClickGesture<PlaylistInfoItem> getOnPlaylistSelectedListener() {
-        return onPlaylistSelectedListener;
-    }
-
-    public void setOnPlaylistSelectedListener(final OnClickGesture<PlaylistInfoItem> listener) {
-        this.onPlaylistSelectedListener = listener;
-    }
-
-    public OnClickGesture<CommentsInfoItem> getOnCommentsSelectedListener() {
-        return onCommentsSelectedListener;
-    }
-
-    public void setOnCommentsSelectedListener(
-            final OnClickGesture<CommentsInfoItem> onCommentsSelectedListener) {
-        this.onCommentsSelectedListener = onCommentsSelectedListener;
-    }
-}

app/src/main/java/org/schabi/newpipe/info_list/InfoItemBuilder.kt

@@ -0,0 +1,20 @@
+/*
+ * SPDX-FileCopyrightText: 2016-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.info_list
+
+import android.content.Context
+import org.schabi.newpipe.extractor.channel.ChannelInfoItem
+import org.schabi.newpipe.extractor.comments.CommentsInfoItem
+import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem
+import org.schabi.newpipe.extractor.stream.StreamInfoItem
+import org.schabi.newpipe.util.OnClickGesture
+
+class InfoItemBuilder(val context: Context) {
+    var onStreamSelectedListener: OnClickGesture<StreamInfoItem>? = null
+    var onChannelSelectedListener: OnClickGesture<ChannelInfoItem>? = null
+    var onPlaylistSelectedListener: OnClickGesture<PlaylistInfoItem>? = null
+    var onCommentsSelectedListener: OnClickGesture<CommentsInfoItem>? = null
+}

app/src/main/java/org/schabi/newpipe/info_list/ItemViewMode.kt

@@ -13,14 +13,17 @@ enum class ItemViewMode {
      * Default mode.
      */
     AUTO,
+
     /**
      * Full width list item with thumb on the left and two line title & uploader in right.
      */
     LIST,
+
     /**
      * Grid mode places two cards per row.
      */
     GRID,
+
     /**
      * A full width card in phone - portrait.
      */

app/src/main/java/org/schabi/newpipe/info_list/StreamSegmentAdapter.kt

@@ -2,8 +2,8 @@ package org.schabi.newpipe.info_list
 
 import android.util.Log
 import com.xwray.groupie.GroupieAdapter
-import org.schabi.newpipe.extractor.stream.StreamInfo
 import kotlin.math.max
+import org.schabi.newpipe.extractor.stream.StreamInfo
 
 /**
  * Custom RecyclerView.Adapter/GroupieAdapter for [StreamSegmentItem] for handling selection state.

app/src/main/java/org/schabi/newpipe/info_list/StreamSegmentItem.kt

@@ -41,7 +41,10 @@ class StreamSegmentItem(
         viewHolder.root.findViewById<TextView>(R.id.textViewStartSeconds).text =
             Localization.getDurationString(item.startTimeSeconds.toLong())
         viewHolder.root.setOnClickListener { onClick.onItemClick(this, item.startTimeSeconds) }
-        viewHolder.root.setOnLongClickListener { onClick.onItemLongClick(this, item.startTimeSeconds); true }
+        viewHolder.root.setOnLongClickListener {
+            onClick.onItemLongClick(this, item.startTimeSeconds)
+            true
+        }
         viewHolder.root.isSelected = isSelected
     }
 

app/src/main/java/org/schabi/newpipe/ktx/View.kt

@@ -41,14 +41,16 @@ fun View.animate(
     execOnEnd: Runnable? = null
 ) {
     if (DEBUG) {
-        val id = try {
+        val id = runCatching { resources.getResourceEntryName(id) }.getOrDefault(id.toString())
-            resources.getResourceEntryName(id)
-        } catch (e: Exception) {
-            id.toString()
-        }
         val msg = String.format(
-            "%8s →  [%s:%s] [%s %s:%s] execOnEnd=%s", enterOrExit,
+            "%8s →  [%s:%s] [%s %s:%s] execOnEnd=%s",
-            javaClass.simpleName, id, animationType, duration, delay, execOnEnd
+            enterOrExit,
+            javaClass.simpleName,
+            id,
+            animationType,
+            duration,
+            delay,
+            execOnEnd
         )
         Log.d(TAG, "animate(): $msg")
     }
@@ -291,5 +293,9 @@ private class HideAndExecOnEndListener(private val view: View, execOnEnd: Runnab
 }
 
 enum class AnimationType {
-    ALPHA, SCALE_AND_ALPHA, LIGHT_SCALE_AND_ALPHA, SLIDE_AND_ALPHA, LIGHT_SLIDE_AND_ALPHA
+    ALPHA,
+    SCALE_AND_ALPHA,
+    LIGHT_SCALE_AND_ALPHA,
+    SLIDE_AND_ALPHA,
+    LIGHT_SLIDE_AND_ALPHA
 }

app/src/main/java/org/schabi/newpipe/local/BaseLocalListFragment.java

@@ -28,6 +28,8 @@ import static org.schabi.newpipe.ktx.ViewUtils.animate;
 import static org.schabi.newpipe.ktx.ViewUtils.animateHideRecyclerViewAllowingScrolling;
 import static org.schabi.newpipe.util.ThemeHelper.getItemViewMode;
 
+import java.util.function.Supplier;
+
 /**
  * This fragment is design to be used with persistent data such as
  * {@link org.schabi.newpipe.database.LocalItem}, and does not cache the data contained
@@ -100,7 +102,7 @@ public abstract class BaseLocalListFragment<I, N> extends BaseStateFragment<I>
     //////////////////////////////////////////////////////////////////////////*/
 
     @Nullable
-    protected ViewBinding getListHeader() {
+    protected Supplier<View> getListHeaderSupplier() {
         return null;
     }
 
@@ -131,9 +133,9 @@ public abstract class BaseLocalListFragment<I, N> extends BaseStateFragment<I>
         itemsList = rootView.findViewById(R.id.items_list);
         refreshItemViewMode();
 
-        headerRootBinding = getListHeader();
+        final Supplier<View> listHeaderSupplier = getListHeaderSupplier();
-        if (headerRootBinding != null) {
+        if (listHeaderSupplier != null) {
-            itemListAdapter.setHeader(headerRootBinding.getRoot());
+            itemListAdapter.setHeaderSupplier(listHeaderSupplier);
         }
         footerRootBinding = getListFooter();
         itemListAdapter.setFooter(footerRootBinding.getRoot());
@@ -210,6 +212,8 @@ public abstract class BaseLocalListFragment<I, N> extends BaseStateFragment<I>
         showListFooter(false);
     }
 
+    @Deprecated(since = "Calling this method with `true` may cause crashes, see "
+            + "https://github.com/TeamNewPipe/NewPipe/pull/12996#pullrequestreview-3713317115")
     @Override
     public void showListFooter(final boolean show) {
         if (itemsList == null) {

app/src/main/java/org/schabi/newpipe/local/LocalItemListAdapter.java

@@ -37,6 +37,7 @@ import java.time.format.DateTimeFormatter;
 import java.time.format.FormatStyle;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.function.Supplier;
 
 /*
  * Created by Christian Schabesberger on 01.08.16.
@@ -88,7 +89,7 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
     private final DateTimeFormatter dateTimeFormatter;
 
     private boolean showFooter = false;
-    private View header = null;
+    private Supplier<View> headerSupplier = null;
     private View footer = null;
     private ItemViewMode itemViewMode = ItemViewMode.LIST;
     private boolean useItemHandle = false;
@@ -97,6 +98,7 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
         recordManager = new HistoryRecordManager(context);
         localItemBuilder = new LocalItemBuilder(context);
         localItems = new ArrayList<>();
+
         dateTimeFormatter = DateTimeFormatter.ofLocalizedDate(FormatStyle.SHORT)
                 .withLocale(Localization.getPreferredLocale(context));
     }
@@ -124,7 +126,7 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
         if (DEBUG) {
             Log.d(TAG, "addItems() after > offsetStart = " + offsetStart + ", "
                     + "localItems.size() = " + localItems.size() + ", "
-                    + "header = " + header + ", footer = " + footer + ", "
+                    + "header = " + hasHeader() + ", footer = " + footer + ", "
                     + "showFooter = " + showFooter);
         }
         notifyItemRangeInserted(offsetStart, data.size());
@@ -144,7 +146,7 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
         final int index = localItems.indexOf(data);
         if (index != -1) {
             localItems.remove(index);
-            notifyItemRemoved(index + (header != null ? 1 : 0));
+            notifyItemRemoved(index + (hasHeader() ? 1 : 0));
         } else {
             // this happens when
             // 1) removeItem is called on infoItemDuplicate as in showStreamItemDialog of
@@ -189,9 +191,9 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
         this.useItemHandle = useItemHandle;
     }
 
-    public void setHeader(final View header) {
+    public void setHeaderSupplier(@Nullable final Supplier<View> headerSupplier) {
-        final boolean changed = header != this.header;
+        final boolean changed = headerSupplier != this.headerSupplier;
-        this.header = header;
+        this.headerSupplier = headerSupplier;
         if (changed) {
             notifyDataSetChanged();
         }
@@ -201,6 +203,12 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
         this.footer = view;
     }
 
+    protected boolean hasHeader() {
+        return this.headerSupplier != null;
+    }
+
+    @Deprecated(since = "Calling this method with `true` may cause crashes, see "
+            + "https://github.com/TeamNewPipe/NewPipe/pull/12996#pullrequestreview-3713317115")
     public void showFooter(final boolean show) {
         if (DEBUG) {
             Log.d(TAG, "showFooter() called with: show = [" + show + "]");
@@ -211,6 +219,8 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
 
         showFooter = show;
         if (show) {
+            Log.w(TAG, "Calling LocalItemListAdapter.showFooter(true) may cause crashes, see https"
+                    + "://github.com/TeamNewPipe/NewPipe/pull/12996#pullrequestreview-3713317115");
             notifyItemInserted(sizeConsideringHeader());
         } else {
             notifyItemRemoved(sizeConsideringHeader());
@@ -218,11 +228,11 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
     }
 
     private int adapterOffsetWithoutHeader(final int offset) {
-        return offset - (header != null ? 1 : 0);
+        return offset - (hasHeader() ? 1 : 0);
     }
 
     private int sizeConsideringHeader() {
-        return localItems.size() + (header != null ? 1 : 0);
+        return localItems.size() + (hasHeader() ? 1 : 0);
     }
 
     public ArrayList<LocalItem> getItemsList() {
@@ -232,7 +242,7 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
     @Override
     public int getItemCount() {
         int count = localItems.size();
-        if (header != null) {
+        if (hasHeader()) {
             count++;
         }
         if (footer != null && showFooter) {
@@ -242,7 +252,7 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
         if (DEBUG) {
             Log.d(TAG, "getItemCount() called, count = " + count + ", "
                     + "localItems.size() = " + localItems.size() + ", "
-                    + "header = " + header + ", footer = " + footer + ", "
+                    + "header = " + hasHeader() + ", footer = " + footer + ", "
                     + "showFooter = " + showFooter);
         }
         return count;
@@ -255,9 +265,9 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
             Log.d(TAG, "getItemViewType() called with: position = [" + position + "]");
         }
 
-        if (header != null && position == 0) {
+        if (hasHeader() && position == 0) {
             return HEADER_TYPE;
-        } else if (header != null) {
+        } else if (hasHeader()) {
             position--;
         }
         if (footer != null && position == localItems.size() && showFooter) {
@@ -318,7 +328,7 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
         }
         switch (type) {
             case HEADER_TYPE:
-                return new HeaderFooterHolder(header);
+                return new HeaderFooterHolder(headerSupplier.get());
             case FOOTER_TYPE:
                 return new HeaderFooterHolder(footer);
             case LOCAL_PLAYLIST_HOLDER_TYPE:
@@ -366,14 +376,14 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
 
         if (holder instanceof LocalItemHolder) {
             // If header isn't null, offset the items by -1
-            if (header != null) {
+            if (hasHeader()) {
                 position--;
             }
 
             ((LocalItemHolder) holder)
                     .updateFromItem(localItems.get(position), recordManager, dateTimeFormatter);
-        } else if (holder instanceof HeaderFooterHolder && position == 0 && header != null) {
+        } else if (holder instanceof HeaderFooterHolder && position == 0 && hasHeader()) {
-            ((HeaderFooterHolder) holder).view = header;
+            ((HeaderFooterHolder) holder).view = headerSupplier.get();
         } else if (holder instanceof HeaderFooterHolder && position == sizeConsideringHeader()
                 && footer != null && showFooter) {
             ((HeaderFooterHolder) holder).view = footer;
@@ -387,10 +397,10 @@ public class LocalItemListAdapter extends RecyclerView.Adapter<RecyclerView.View
             for (final Object payload : payloads) {
                 if (payload instanceof StreamStateEntity) {
                     ((LocalItemHolder) holder).updateState(localItems
-                            .get(header == null ? position : position - 1), recordManager);
+                            .get(hasHeader() ? position - 1 : position), recordManager);
                 } else if (payload instanceof Boolean) {
                     ((LocalItemHolder) holder).updateState(localItems
-                            .get(header == null ? position : position - 1), recordManager);
+                            .get(hasHeader() ? position - 1 : position), recordManager);
                 }
             }
         } else {

app/src/main/java/org/schabi/newpipe/local/feed/FeedDatabaseManager.kt

@@ -7,6 +7,9 @@ import io.reactivex.rxjava3.core.Completable
 import io.reactivex.rxjava3.core.Flowable
 import io.reactivex.rxjava3.core.Maybe
 import io.reactivex.rxjava3.schedulers.Schedulers
+import java.time.LocalDate
+import java.time.OffsetDateTime
+import java.time.ZoneOffset
 import org.schabi.newpipe.MainActivity.DEBUG
 import org.schabi.newpipe.NewPipeDatabase
 import org.schabi.newpipe.database.feed.model.FeedEntity
@@ -18,9 +21,6 @@ import org.schabi.newpipe.database.subscription.NotificationMode
 import org.schabi.newpipe.extractor.stream.StreamInfoItem
 import org.schabi.newpipe.extractor.stream.StreamType
 import org.schabi.newpipe.local.subscription.FeedGroupIcon
-import java.time.LocalDate
-import java.time.OffsetDateTime
-import java.time.ZoneOffset
 
 class FeedDatabaseManager(context: Context) {
     private val database = NewPipeDatabase.getInstance(context)
@@ -85,14 +85,13 @@ class FeedDatabaseManager(context: Context) {
         items: List<StreamInfoItem>,
         oldestAllowedDate: OffsetDateTime = FEED_OLDEST_ALLOWED_DATE
     ) {
-        val itemsToInsert = ArrayList<StreamInfoItem>()
+        val itemsToInsert = items.mapNotNull { stream ->
-        loop@ for (streamItem in items) {
+            val uploadDate = stream.uploadDate
-            val uploadDate = streamItem.uploadDate
 
-            itemsToInsert += when {
+            when {
-                uploadDate == null && streamItem.streamType == StreamType.LIVE_STREAM -> streamItem
+                uploadDate == null && stream.streamType == StreamType.LIVE_STREAM -> stream
-                uploadDate != null && uploadDate.offsetDateTime() >= oldestAllowedDate -> streamItem
+                uploadDate != null && uploadDate.offsetDateTime() >= oldestAllowedDate -> stream
-                else -> continue@loop
+                else -> null
             }
         }
 

app/src/main/java/org/schabi/newpipe/local/feed/FeedFragment.kt

@@ -53,6 +53,8 @@ import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.core.Single
 import io.reactivex.rxjava3.disposables.CompositeDisposable
 import io.reactivex.rxjava3.schedulers.Schedulers
+import java.time.OffsetDateTime
+import java.util.function.Consumer
 import org.schabi.newpipe.NewPipeDatabase
 import org.schabi.newpipe.R
 import org.schabi.newpipe.database.feed.model.FeedGroupEntity
@@ -81,8 +83,6 @@ import org.schabi.newpipe.util.ThemeHelper.getGridSpanCountStreams
 import org.schabi.newpipe.util.ThemeHelper.getItemViewMode
 import org.schabi.newpipe.util.ThemeHelper.resolveDrawable
 import org.schabi.newpipe.util.ThemeHelper.shouldUseGridLayout
-import java.time.OffsetDateTime
-import java.util.function.Consumer
 
 class FeedFragment : BaseStateFragment<FeedState>() {
     private var _feedBinding: FragmentFeedBinding? = null
@@ -91,7 +91,10 @@ class FeedFragment : BaseStateFragment<FeedState>() {
     private val disposables = CompositeDisposable()
 
     private lateinit var viewModel: FeedViewModel
-    @State @JvmField var listState: Parcelable? = null
+
+    @State
+    @JvmField
+    var listState: Parcelable? = null
 
     private var groupId = FeedGroupEntity.GROUP_ALL_ID
     private var groupName = ""
@@ -149,7 +152,6 @@ class FeedFragment : BaseStateFragment<FeedState>() {
                 if (newState == RecyclerView.SCROLL_STATE_IDLE &&
                     !recyclerView.canScrollVertically(-1)
                 ) {
-
                     if (tryGetNewItemsLoadedButton()?.isVisible == true) {
                         hideNewItemsLoaded(true)
                     }
@@ -253,7 +255,7 @@ class FeedFragment : BaseStateFragment<FeedState>() {
             viewModel.getShowFutureItemsFromPreferences()
         )
 
-        AlertDialog.Builder(context!!)
+        AlertDialog.Builder(requireContext())
             .setTitle(R.string.feed_hide_streams_title)
             .setMultiChoiceItems(dialogItems, checkedDialogItems) { _, which, isChecked ->
                 checkedDialogItems[which] = isChecked
@@ -387,8 +389,13 @@ class FeedFragment : BaseStateFragment<FeedState>() {
             if (item is StreamItem && !isRefreshing) {
                 val stream = item.streamWithState.stream
                 NavigationHelper.openVideoDetailFragment(
-                    requireContext(), fm,
+                    requireContext(),
-                    stream.serviceId, stream.url, stream.title, null, false
+                    fm,
+                    stream.serviceId,
+                    stream.url,
+                    stream.title,
+                    null,
+                    false
                 )
             }
         }
@@ -500,7 +507,8 @@ class FeedFragment : BaseStateFragment<FeedState>() {
     ) {
         val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(requireContext())
         val isFastFeedModeEnabled = sharedPreferences.getBoolean(
-            getString(R.string.feed_use_dedicated_fetch_method_key), false
+            getString(R.string.feed_use_dedicated_fetch_method_key),
+            false
         )
 
         val builder = AlertDialog.Builder(requireContext())
@@ -535,7 +543,8 @@ class FeedFragment : BaseStateFragment<FeedState>() {
     private fun updateRelativeTimeViews() {
         updateRefreshViewState()
         groupAdapter.notifyItemRangeChanged(
-            0, groupAdapter.itemCount,
+            0,
+            groupAdapter.itemCount,
             StreamItem.UPDATE_RELATIVE_TIME
         )
     }

app/src/main/java/org/schabi/newpipe/local/feed/FeedState.kt

@@ -1,8 +1,8 @@
 package org.schabi.newpipe.local.feed
 
 import androidx.annotation.StringRes
-import org.schabi.newpipe.local.feed.item.StreamItem
 import java.time.OffsetDateTime
+import org.schabi.newpipe.local.feed.item.StreamItem
 
 sealed class FeedState {
     data class ProgressState(

app/src/main/java/org/schabi/newpipe/local/feed/FeedViewModel.kt

@@ -14,6 +14,8 @@ import io.reactivex.rxjava3.core.Flowable
 import io.reactivex.rxjava3.functions.Function6
 import io.reactivex.rxjava3.processors.BehaviorProcessor
 import io.reactivex.rxjava3.schedulers.Schedulers
+import java.time.OffsetDateTime
+import java.util.concurrent.TimeUnit
 import org.schabi.newpipe.App
 import org.schabi.newpipe.R
 import org.schabi.newpipe.database.feed.model.FeedGroupEntity
@@ -25,8 +27,6 @@ import org.schabi.newpipe.local.feed.service.FeedEventManager.Event.IdleEvent
 import org.schabi.newpipe.local.feed.service.FeedEventManager.Event.ProgressEvent
 import org.schabi.newpipe.local.feed.service.FeedEventManager.Event.SuccessResultEvent
 import org.schabi.newpipe.util.DEFAULT_THROTTLE_TIMEOUT
-import java.time.OffsetDateTime
-import java.util.concurrent.TimeUnit
 
 class FeedViewModel(
     private val application: Application,
@@ -64,8 +64,14 @@ class FeedViewModel(
             feedDatabaseManager.notLoadedCount(groupId),
             feedDatabaseManager.oldestSubscriptionUpdate(groupId),
 
-            Function6 { t1: FeedEventManager.Event, t2: Boolean, t3: Boolean, t4: Boolean,
+            Function6 {
-                t5: Long, t6: List<OffsetDateTime?> ->
+                    t1: FeedEventManager.Event,
+                    t2: Boolean,
+                    t3: Boolean,
+                    t4: Boolean,
+                    t5: Long,
+                    t6: List<OffsetDateTime?>
+                ->
                 return@Function6 CombineResultEventHolder(t1, t2, t3, t4, t5, t6.firstOrNull())
             }
         )
@@ -73,12 +79,13 @@ class FeedViewModel(
         .subscribeOn(Schedulers.io())
         .observeOn(Schedulers.io())
         .map { (event, showPlayedItems, showPartiallyPlayedItems, showFutureItems, notLoadedCount, oldestUpdate) ->
-            val streamItems = if (event is SuccessResultEvent || event is IdleEvent)
+            val streamItems = if (event is SuccessResultEvent || event is IdleEvent) {
                 feedDatabaseManager
                     .getStreams(groupId, showPlayedItems, showPartiallyPlayedItems, showFutureItems)
                     .blockingGet(arrayListOf())
-            else
+            } else {
                 arrayListOf()
+            }
 
             CombineResultDataHolder(event, streamItems, notLoadedCount, oldestUpdate)
         }
@@ -150,17 +157,14 @@ class FeedViewModel(
     fun getShowFutureItemsFromPreferences() = getShowFutureItemsFromPreferences(application)
 
     companion object {
-        private fun getShowPlayedItemsFromPreferences(context: Context) =
+        private fun getShowPlayedItemsFromPreferences(context: Context) = PreferenceManager.getDefaultSharedPreferences(context)
-            PreferenceManager.getDefaultSharedPreferences(context)
+            .getBoolean(context.getString(R.string.feed_show_watched_items_key), true)
-                .getBoolean(context.getString(R.string.feed_show_watched_items_key), true)
 
-        private fun getShowPartiallyPlayedItemsFromPreferences(context: Context) =
+        private fun getShowPartiallyPlayedItemsFromPreferences(context: Context) = PreferenceManager.getDefaultSharedPreferences(context)
-            PreferenceManager.getDefaultSharedPreferences(context)
+            .getBoolean(context.getString(R.string.feed_show_partially_watched_items_key), true)
-                .getBoolean(context.getString(R.string.feed_show_partially_watched_items_key), true)
 
-        private fun getShowFutureItemsFromPreferences(context: Context) =
+        private fun getShowFutureItemsFromPreferences(context: Context) = PreferenceManager.getDefaultSharedPreferences(context)
-            PreferenceManager.getDefaultSharedPreferences(context)
+            .getBoolean(context.getString(R.string.feed_show_future_items_key), true)
-                .getBoolean(context.getString(R.string.feed_show_future_items_key), true)
 
         fun getFactory(context: Context, groupId: Long) = viewModelFactory {
             initializer {

app/src/main/java/org/schabi/newpipe/local/feed/item/StreamItem.kt

@@ -6,6 +6,8 @@ import android.view.View
 import androidx.core.content.ContextCompat
 import androidx.preference.PreferenceManager
 import com.xwray.groupie.viewbinding.BindableItem
+import java.util.concurrent.TimeUnit
+import java.util.function.Consumer
 import org.schabi.newpipe.MainActivity
 import org.schabi.newpipe.R
 import org.schabi.newpipe.database.stream.StreamWithState
@@ -20,8 +22,6 @@ import org.schabi.newpipe.extractor.stream.StreamType.VIDEO_STREAM
 import org.schabi.newpipe.util.Localization
 import org.schabi.newpipe.util.StreamTypeUtil
 import org.schabi.newpipe.util.image.PicassoHelper
-import java.util.concurrent.TimeUnit
-import java.util.function.Consumer
 
 data class StreamItem(
     val streamWithState: StreamWithState,
@@ -132,6 +132,7 @@ data class StreamItem(
                 viewsAndDate.isEmpty() -> uploadDate!!
                 else -> Localization.concatenateStrings(viewsAndDate, uploadDate)
             }
+
             else -> viewsAndDate
         }
     }

app/src/main/java/org/schabi/newpipe/local/feed/notifications/NotificationHelper.kt

@@ -15,6 +15,7 @@ import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.PendingIntentCompat
 import androidx.core.content.ContextCompat
 import androidx.core.content.getSystemService
+import androidx.core.net.toUri
 import androidx.preference.PreferenceManager
 import com.squareup.picasso.Picasso
 import com.squareup.picasso.Target
@@ -41,7 +42,9 @@ class NotificationHelper(val context: Context) {
     fun displayNewStreamsNotifications(data: FeedUpdateInfo) {
         val newStreams = data.newStreams
         val summary = context.resources.getQuantityString(
-            R.plurals.new_streams, newStreams.size, newStreams.size
+            R.plurals.new_streams,
+            newStreams.size,
+            newStreams.size
         )
         val summaryBuilder = NotificationCompat.Builder(
             context,
@@ -89,8 +92,10 @@ class NotificationHelper(val context: Context) {
                 // Show individual stream notifications, set channel icon only if there is actually
                 // one
                 showStreamNotifications(newStreams, data.serviceId, data.url, bitmap)
-                // Show summary notification
+                // Show summary notification if enabled
-                manager.notify(data.pseudoId, summaryBuilder.build())
+                if (manager.areNotificationsEnabled()) {
+                    manager.notify(data.pseudoId, summaryBuilder.build())
+                }
 
                 iconLoadingTargets.remove(this) // allow it to be garbage-collected
             }
@@ -98,8 +103,10 @@ class NotificationHelper(val context: Context) {
             override fun onBitmapFailed(e: Exception, errorDrawable: Drawable) {
                 // Show individual stream notifications
                 showStreamNotifications(newStreams, data.serviceId, data.url, null)
-                // Show summary notification
+                // Show summary notification if enabled
-                manager.notify(data.pseudoId, summaryBuilder.build())
+                if (manager.areNotificationsEnabled()) {
+                    manager.notify(data.pseudoId, summaryBuilder.build())
+                }
                 iconLoadingTargets.remove(this) // allow it to be garbage-collected
             }
 
@@ -123,7 +130,9 @@ class NotificationHelper(val context: Context) {
     ) {
         for (stream in newStreams) {
             val notification = createStreamNotification(stream, serviceId, channelUrl, channelIcon)
-            manager.notify(stream.url.hashCode(), notification)
+            if (manager.areNotificationsEnabled()) {
+                manager.notify(stream.url.hashCode(), notification)
+            }
         }
     }
 
@@ -181,8 +190,7 @@ class NotificationHelper(val context: Context) {
                 val manager = context.getSystemService<NotificationManager>()!!
                 val enabled = manager.areNotificationsEnabled()
                 val channel = manager.getNotificationChannel(channelId)
-                val importance = channel?.importance
+                enabled && channel?.importance != NotificationManager.IMPORTANCE_NONE
-                enabled && channel != null && importance != NotificationManager.IMPORTANCE_NONE
             } else {
                 NotificationManagerCompat.from(context).areNotificationsEnabled()
             }
@@ -212,7 +220,7 @@ class NotificationHelper(val context: Context) {
                 context.startActivity(intent)
             } else {
                 val intent = Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
-                intent.data = Uri.parse("package:" + context.packageName)
+                intent.data = "package:${context.packageName}".toUri()
                 context.startActivity(intent)
             }
         }

app/src/main/java/org/schabi/newpipe/local/feed/notifications/NotificationWorker.kt

@@ -16,6 +16,7 @@ import androidx.work.WorkerParameters
 import androidx.work.rxjava3.RxWorker
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.core.Single
+import java.util.concurrent.TimeUnit
 import org.schabi.newpipe.App
 import org.schabi.newpipe.R
 import org.schabi.newpipe.error.ErrorInfo
@@ -23,7 +24,6 @@ import org.schabi.newpipe.error.ErrorUtil
 import org.schabi.newpipe.error.UserAction
 import org.schabi.newpipe.local.feed.service.FeedLoadManager
 import org.schabi.newpipe.local.feed.service.FeedLoadService
-import java.util.concurrent.TimeUnit
 
 /*
  * Worker which checks for new streams of subscribed channels
@@ -31,7 +31,7 @@ import java.util.concurrent.TimeUnit
  */
 class NotificationWorker(
     appContext: Context,
-    workerParams: WorkerParameters,
+    workerParams: WorkerParameters
 ) : RxWorker(appContext, workerParams) {
 
     private val notificationHelper by lazy {
@@ -95,9 +95,8 @@ class NotificationWorker(
         private val TAG = NotificationWorker::class.java.simpleName
         private const val WORK_TAG = App.PACKAGE_NAME + "_streams_notifications"
 
-        private fun areNotificationsEnabled(context: Context) =
+        private fun areNotificationsEnabled(context: Context) = NotificationHelper.areNewStreamsNotificationsEnabled(context) &&
-            NotificationHelper.areNewStreamsNotificationsEnabled(context) &&
+            NotificationHelper.areNotificationsEnabledOnDevice(context)
-                NotificationHelper.areNotificationsEnabledOnDevice(context)
 
         /**
          * Schedules a task for the [NotificationWorker]

app/src/main/java/org/schabi/newpipe/local/feed/notifications/ScheduleOptions.kt

@@ -2,8 +2,9 @@ package org.schabi.newpipe.local.feed.notifications
 
 import android.content.Context
 import androidx.preference.PreferenceManager
-import org.schabi.newpipe.R
 import java.util.concurrent.TimeUnit
+import org.schabi.newpipe.R
+import org.schabi.newpipe.ktx.getStringSafe
 
 /**
  * Information for the Scheduler which checks for new streams.
@@ -20,11 +21,9 @@ data class ScheduleOptions(
             val preferences = PreferenceManager.getDefaultSharedPreferences(context)
             return ScheduleOptions(
                 interval = TimeUnit.SECONDS.toMillis(
-                    preferences.getString(
+                    preferences.getStringSafe(
                         context.getString(R.string.streams_notifications_interval_key),
-                        null
+                        context.getString(R.string.streams_notifications_interval_default)
-                    )?.toLongOrNull() ?: context.getString(
-                        R.string.streams_notifications_interval_default
                     ).toLong()
                 ),
                 isRequireNonMeteredNetwork = preferences.getString(

app/src/main/java/org/schabi/newpipe/local/feed/service/FeedEventManager.kt

@@ -3,8 +3,8 @@ package org.schabi.newpipe.local.feed.service
 import androidx.annotation.StringRes
 import io.reactivex.rxjava3.core.Flowable
 import io.reactivex.rxjava3.processors.BehaviorProcessor
-import org.schabi.newpipe.local.feed.service.FeedEventManager.Event.IdleEvent
 import java.util.concurrent.atomic.AtomicBoolean
+import org.schabi.newpipe.local.feed.service.FeedEventManager.Event.IdleEvent
 
 object FeedEventManager {
     private var processor: BehaviorProcessor<Event> = BehaviorProcessor.create()

app/src/main/java/org/schabi/newpipe/local/feed/service/FeedLoadManager.kt

@@ -11,6 +11,10 @@ import io.reactivex.rxjava3.core.Single
 import io.reactivex.rxjava3.functions.Consumer
 import io.reactivex.rxjava3.processors.PublishProcessor
 import io.reactivex.rxjava3.schedulers.Schedulers
+import java.time.OffsetDateTime
+import java.time.ZoneOffset
+import java.util.concurrent.atomic.AtomicBoolean
+import java.util.concurrent.atomic.AtomicInteger
 import org.schabi.newpipe.R
 import org.schabi.newpipe.database.feed.model.FeedGroupEntity
 import org.schabi.newpipe.database.subscription.NotificationMode
@@ -27,10 +31,6 @@ import org.schabi.newpipe.util.ChannelTabHelper
 import org.schabi.newpipe.util.ExtractorHelper.getChannelInfo
 import org.schabi.newpipe.util.ExtractorHelper.getChannelTab
 import org.schabi.newpipe.util.ExtractorHelper.getMoreChannelTabItems
-import java.time.OffsetDateTime
-import java.time.ZoneOffset
-import java.util.concurrent.atomic.AtomicBoolean
-import java.util.concurrent.atomic.AtomicInteger
 
 class FeedLoadManager(private val context: Context) {
 
@@ -60,7 +60,7 @@ class FeedLoadManager(private val context: Context) {
      */
     fun startLoading(
         groupId: Long = FeedGroupEntity.GROUP_ALL_ID,
-        ignoreOutdatedThreshold: Boolean = false,
+        ignoreOutdatedThreshold: Boolean = false
     ): Single<List<Notification<FeedUpdateInfo>>> {
         val defaultSharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
         val useFeedExtractor = defaultSharedPreferences.getBoolean(
@@ -85,9 +85,12 @@ class FeedLoadManager(private val context: Context) {
             FeedGroupEntity.GROUP_ALL_ID -> feedDatabaseManager.outdatedSubscriptions(
                 outdatedThreshold
             )
+
             GROUP_NOTIFICATION_ENABLED -> feedDatabaseManager.outdatedSubscriptionsWithNotificationMode(
-                outdatedThreshold, NotificationMode.ENABLED
+                outdatedThreshold,
+                NotificationMode.ENABLED
             )
+
             else -> feedDatabaseManager.outdatedSubscriptionsForGroup(groupId, outdatedThreshold)
         }
 
@@ -108,7 +111,8 @@ class FeedLoadManager(private val context: Context) {
                 broadcastProgress()
             }
             .observeOn(Schedulers.io())
-            .flatMap { Flowable.fromIterable(it) }
+            // Randomize user subscription ordering to attempt to resist fingerprinting
+            .flatMap { Flowable.fromIterable(it.shuffled()) }
             .takeWhile { !cancelSignal.get() }
             .doOnNext { subscriptionEntity ->
                 // throttle YouTube extractions once every BATCH_SIZE to avoid being rate limited
@@ -186,7 +190,8 @@ class FeedLoadManager(private val context: Context) {
 
                 val channelInfo = getChannelInfo(
                     subscriptionEntity.serviceId,
-                    subscriptionEntity.url, true
+                    subscriptionEntity.url,
+                    true
                 )
                     .onErrorReturn(storeOriginalErrorAndRethrow)
                     .blockingGet()
@@ -216,7 +221,8 @@ class FeedLoadManager(private val context: Context) {
                         ) {
                             val infoItemsPage = getMoreChannelTabItems(
                                 subscriptionEntity.serviceId,
-                                linkHandler, channelTabInfo.nextPage
+                                linkHandler,
+                                channelTabInfo.nextPage
                             )
                                 .blockingGet()
 
@@ -234,7 +240,7 @@ class FeedLoadManager(private val context: Context) {
                     subscriptionEntity,
                     originalInfo!!,
                     streams!!,
-                    errors,
+                    errors
                 )
             )
         } catch (e: Throwable) {
@@ -305,6 +311,7 @@ class FeedLoadManager(private val context: Context) {
                                 feedDatabaseManager.markAsOutdated(info.uid)
                             }
                         }
+
                         notification.isOnError -> {
                             val error = notification.error
                             feedResultsHolder.addError(error!!)

app/src/main/java/org/schabi/newpipe/local/feed/service/FeedLoadService.kt

@@ -36,13 +36,13 @@ import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.core.Flowable
 import io.reactivex.rxjava3.disposables.Disposable
 import io.reactivex.rxjava3.functions.Function
+import java.util.concurrent.TimeUnit
 import org.schabi.newpipe.App
 import org.schabi.newpipe.MainActivity.DEBUG
 import org.schabi.newpipe.R
 import org.schabi.newpipe.database.feed.model.FeedGroupEntity
 import org.schabi.newpipe.local.feed.service.FeedEventManager.Event.ErrorResultEvent
 import org.schabi.newpipe.local.feed.service.FeedEventManager.postEvent
-import java.util.concurrent.TimeUnit
 
 class FeedLoadService : Service() {
     companion object {
@@ -94,7 +94,8 @@ class FeedLoadService : Service() {
             .doOnSubscribe {
                 startForeground(NOTIFICATION_ID, notificationBuilder.build())
             }
-            .subscribe { _, error: Throwable? -> // explicitly mark error as nullable
+            .subscribe { _, error: Throwable? ->
+                // explicitly mark error as nullable
                 if (error != null) {
                     Log.e(TAG, "Error while storing result", error)
                     handleError(error)
@@ -184,7 +185,9 @@ class FeedLoadService : Service() {
             }
         }
 
-        notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build())
+        if (notificationManager.areNotificationsEnabled()) {
+            notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build())
+        }
     }
 
     // /////////////////////////////////////////////////////////////////////////

app/src/main/java/org/schabi/newpipe/local/feed/service/FeedLoadState.kt

@@ -3,5 +3,5 @@ package org.schabi.newpipe.local.feed.service
 data class FeedLoadState(
     val updateDescription: String,
     val maxProgress: Int,
-    val currentProgress: Int,
+    val currentProgress: Int
 )

app/src/main/java/org/schabi/newpipe/local/feed/service/FeedUpdateInfo.kt

@@ -25,13 +25,13 @@ data class FeedUpdateInfo(
     val description: String?,
     val subscriberCount: Long?,
     val streams: List<StreamInfoItem>,
-    val errors: List<Throwable>,
+    val errors: List<Throwable>
 ) {
     constructor(
         subscription: SubscriptionEntity,
         info: Info,
         streams: List<StreamInfoItem>,
-        errors: List<Throwable>,
+        errors: List<Throwable>
     ) : this(
         uid = subscription.uid,
         notificationMode = subscription.notificationMode,
@@ -46,7 +46,7 @@ data class FeedUpdateInfo(
         description = (info as? ChannelInfo)?.description,
         subscriberCount = (info as? ChannelInfo)?.subscriberCount,
         streams = streams,
-        errors = errors,
+        errors = errors
     )
 
     /**

app/src/main/java/org/schabi/newpipe/local/history/StatisticsPlaylistFragment.java

@@ -13,7 +13,6 @@ import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.viewbinding.ViewBinding;
 
 import com.evernote.android.state.State;
 import com.google.android.material.snackbar.Snackbar;
@@ -45,6 +44,7 @@ import java.util.Collections;
 import java.util.Comparator;
 import java.util.List;
 import java.util.Objects;
+import java.util.function.Supplier;
 
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
 import io.reactivex.rxjava3.disposables.CompositeDisposable;
@@ -126,12 +126,12 @@ public class StatisticsPlaylistFragment
     }
 
     @Override
-    protected ViewBinding getListHeader() {
+    protected Supplier<View> getListHeaderSupplier() {
         headerBinding = StatisticPlaylistControlBinding.inflate(activity.getLayoutInflater(),
                 itemsList, false);
         playlistControlBinding = headerBinding.playlistControl;
 
-        return headerBinding;
+        return headerBinding::getRoot;
     }
 
     @Override

app/src/main/java/org/schabi/newpipe/local/playlist/ExportPlaylist.kt

@@ -44,7 +44,6 @@ private fun exportJustUrls(playlist: List<PlaylistStreamEntry>): String {
 }
 
 private fun exportAsYoutubeTempPlaylist(playlist: List<PlaylistStreamEntry>): String {
-
     val videoIDs = playlist.asReversed().asSequence()
         .mapNotNull { getYouTubeId(it.streamEntity.url) }
         .take(50) // YouTube limitation: temp playlists can't have more than 50 items
@@ -64,6 +63,5 @@ private val linkHandler: YoutubeStreamLinkHandlerFactory = YoutubeStreamLinkHand
  * @return the video id
  */
 private fun getYouTubeId(url: String): String? {
-
+    return runCatching { linkHandler.getId(url) }.getOrNull()
-    return try { linkHandler.getId(url) } catch (e: ParsingException) { null }
 }

app/src/main/java/org/schabi/newpipe/local/playlist/LocalPlaylistFragment.java

@@ -1,5 +1,7 @@
 package org.schabi.newpipe.local.playlist;
 
+import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
+import static android.view.ViewGroup.LayoutParams.WRAP_CONTENT;
 import static org.schabi.newpipe.error.ErrorUtil.showUiErrorSnackbar;
 import static org.schabi.newpipe.ktx.ViewUtils.animate;
 import static org.schabi.newpipe.local.playlist.ExportPlaylistKt.export;
@@ -22,6 +24,8 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import android.widget.LinearLayout.LayoutParams;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
@@ -29,7 +33,6 @@ import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.RecyclerView;
-import androidx.viewbinding.ViewBinding;
 
 import com.evernote.android.state.State;
 import org.reactivestreams.Subscriber;
@@ -55,6 +58,7 @@ import org.schabi.newpipe.local.BaseLocalListFragment;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
 import org.schabi.newpipe.player.playqueue.PlayQueue;
 import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
+import org.schabi.newpipe.util.DeviceUtils;
 import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.OnClickGesture;
@@ -67,6 +71,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.function.Supplier;
 import java.util.stream.Collectors;
 
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
@@ -158,14 +163,14 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
     }
 
     @Override
-    protected ViewBinding getListHeader() {
+    protected Supplier<View> getListHeaderSupplier() {
         headerBinding = LocalPlaylistHeaderBinding.inflate(activity.getLayoutInflater(), itemsList,
-                false);
+            false);
         playlistControlBinding = headerBinding.playlistControl;
 
         headerBinding.playlistTitleView.setSelected(true);
 
-        return headerBinding;
+        return headerBinding::getRoot;
     }
 
     @Override
@@ -365,17 +370,7 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
             createRenameDialog();
         } else if (item.getItemId() == R.id.menu_item_remove_watched) {
             if (!isRewritingPlaylist) {
-                new AlertDialog.Builder(requireContext())
+                openRemoveWatchedConfirmationDialog();
-                        .setMessage(R.string.remove_watched_popup_warning)
-                        .setTitle(R.string.remove_watched_popup_title)
-                        .setPositiveButton(R.string.ok, (d, id) ->
-                                removeWatchedStreams(false))
-                        .setNeutralButton(
-                                R.string.remove_watched_popup_yes_and_partially_watched_videos,
-                                (d, id) -> removeWatchedStreams(true))
-                        .setNegativeButton(R.string.cancel,
-                                (d, id) -> d.cancel())
-                        .show();
             }
         } else if (item.getItemId() == R.id.menu_item_remove_duplicates) {
             if (!isRewritingPlaylist) {
@@ -447,39 +442,28 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
                             .getIsPlaylistThumbnailPermanent(playlistId);
                     boolean thumbnailVideoRemoved = false;
 
-                    if (removePartiallyWatched) {
+                    final var streamStates = recordManager
-                        for (final var playlistItem : playlist) {
+                            .loadLocalStreamStateBatch(playlist).blockingGet();
-                            final int indexInHistory = Collections.binarySearch(historyStreamIds,
-                                    playlistItem.getStreamId());
 
-                            if (indexInHistory < 0) {
+                    for (int i = 0; i < playlist.size(); i++) {
-                                itemsToKeep.add(playlistItem);
+                        final var playlistItem = playlist.get(i);
-                            } else if (!isThumbnailPermanent && !thumbnailVideoRemoved
+                        final var streamStateEntity = streamStates.get(i);
-                                    && playlistManager.getPlaylistThumbnailStreamId(playlistId)
+                        final int indexInHistory = Collections.binarySearch(historyStreamIds,
-                                    == playlistItem.getStreamEntity().getUid()) {
+                                playlistItem.getStreamId());
-                                thumbnailVideoRemoved = true;
+                        final long duration = playlistItem.toStreamInfoItem().getDuration();
-                            }
-                        }
-                    } else {
-                        final var streamStates = recordManager
-                                .loadLocalStreamStateBatch(playlist).blockingGet();
 
-                        for (int i = 0; i < playlist.size(); i++) {
+                        if (indexInHistory < 0 // stream is not in history
-                            final var playlistItem = playlist.get(i);
+                                // stream is in history but the streamStateEntity is null
-                            final var streamStateEntity = streamStates.get(i);
+                                // if the stream was played for less than 5 seconds, see
-
+                                // StreamStateEntity#PLAYBACK_SAVE_THRESHOLD_START_MILLISECONDS
-                            final int indexInHistory = Collections.binarySearch(historyStreamIds,
+                                || streamStateEntity == null
-                                    playlistItem.getStreamId());
+                                || (!removePartiallyWatched
-                            final long duration = playlistItem.toStreamInfoItem().getDuration();
+                                        && !streamStateEntity.isFinished(duration))) {
-
+                            itemsToKeep.add(playlistItem);
-                            if (indexInHistory < 0 || (streamStateEntity != null
+                        } else if (!isThumbnailPermanent && !thumbnailVideoRemoved
-                                    && !streamStateEntity.isFinished(duration))) {
+                                && playlistManager.getPlaylistThumbnailStreamId(playlistId)
-                                itemsToKeep.add(playlistItem);
+                                == playlistItem.getStreamEntity().getUid()) {
-                            } else if (!isThumbnailPermanent && !thumbnailVideoRemoved
+                            thumbnailVideoRemoved = true;
-                                    && playlistManager.getPlaylistThumbnailStreamId(playlistId)
-                                    == playlistItem.getStreamEntity().getUid()) {
-                                thumbnailVideoRemoved = true;
-                            }
                         }
                     }
 
@@ -904,6 +888,35 @@ public class LocalPlaylistFragment extends BaseLocalListFragment<List<PlaylistSt
                 .show();
     }
 
+    /**
+     * Opens a confirmation dialog to remove watched streams from the playlist.
+     * The user can also choose to remove partially watched streams.
+     */
+    private void openRemoveWatchedConfirmationDialog() {
+        final android.widget.CheckBox removePartiallyWatchedCheckbox =
+                new android.widget.CheckBox(requireContext());
+        removePartiallyWatchedCheckbox.setText(
+                R.string.remove_watched_popup_partially_watched_streams);
+
+        // Wrap the checkbox in a container with dialog-like horizontal padding
+        // so it aligns with the dialog title and message on the start side.
+        final LinearLayout checkboxContainer = new LinearLayout(requireContext());
+        checkboxContainer.setOrientation(LinearLayout.VERTICAL);
+        final int padding = DeviceUtils.dpToPx(20, requireContext());
+        checkboxContainer.setPadding(padding, padding, padding, 0);
+        checkboxContainer.addView(removePartiallyWatchedCheckbox,
+                new LayoutParams(MATCH_PARENT, WRAP_CONTENT));
+
+        new AlertDialog.Builder(requireContext())
+                .setMessage(R.string.remove_watched_popup_warning)
+                .setTitle(R.string.remove_watched_popup_title)
+                .setView(checkboxContainer)
+                .setPositiveButton(R.string.yes, (d, id) ->
+                        removeWatchedStreams(removePartiallyWatchedCheckbox.isChecked()))
+                .setNegativeButton(R.string.cancel, (d, id) -> d.cancel())
+                .show();
+    }
+
     public void setTabsPagerAdapter(
             @Nullable final MainFragment.SelectedTabsPagerAdapter tabsPagerAdapter) {
         this.tabsPagerAdapter = tabsPagerAdapter;

app/src/main/java/org/schabi/newpipe/local/subscription/SubscriptionFragment.kt

@@ -27,6 +27,9 @@ import com.xwray.groupie.GroupAdapter
 import com.xwray.groupie.Section
 import com.xwray.groupie.viewbinding.GroupieViewHolder
 import io.reactivex.rxjava3.disposables.CompositeDisposable
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
 import org.schabi.newpipe.R
 import org.schabi.newpipe.database.feed.model.FeedGroupEntity.Companion.GROUP_ALL_ID
 import org.schabi.newpipe.databinding.DialogTitleBinding
@@ -62,9 +65,6 @@ import org.schabi.newpipe.util.OnClickGesture
 import org.schabi.newpipe.util.ServiceHelper
 import org.schabi.newpipe.util.ThemeHelper.getGridSpanCountChannels
 import org.schabi.newpipe.util.external_communication.ShareUtils
-import java.text.SimpleDateFormat
-import java.util.Date
-import java.util.Locale
 
 class SubscriptionFragment : BaseStateFragment<SubscriptionState>() {
     private var _binding: FragmentSubscriptionBinding? = null
@@ -276,10 +276,13 @@ class SubscriptionFragment : BaseStateFragment<SubscriptionState>() {
                 when (item) {
                     is FeedGroupCardItem ->
                         NavigationHelper.openFeedFragment(fm, item.groupId, item.name)
+
                     is FeedGroupCardGridItem ->
                         NavigationHelper.openFeedFragment(fm, item.groupId, item.name)
+
                     is FeedGroupAddNewItem ->
                         FeedGroupDialog.newInstance().show(fm, null)
+
                     is FeedGroupAddNewGridItem ->
                         FeedGroupDialog.newInstance().show(fm, null)
                 }
@@ -294,6 +297,7 @@ class SubscriptionFragment : BaseStateFragment<SubscriptionState>() {
                 when (item) {
                     is FeedGroupCardItem ->
                         FeedGroupDialog.newInstance(item.groupId).show(fm, null)
+
                     is FeedGroupCardGridItem ->
                         FeedGroupDialog.newInstance(item.groupId).show(fm, null)
                 }
@@ -309,7 +313,7 @@ class SubscriptionFragment : BaseStateFragment<SubscriptionState>() {
                 title = getString(R.string.feed_groups_header_title),
                 onSortClicked = ::openReorderDialog,
                 onToggleListViewModeClicked = ::toggleListViewMode,
-                listViewMode = viewModel.getListViewMode(),
+                listViewMode = viewModel.getListViewMode()
             )
 
             add(Section(feedGroupsSortMenuItem, listOf(feedGroupsCarousel)))
@@ -342,9 +346,14 @@ class SubscriptionFragment : BaseStateFragment<SubscriptionState>() {
         val actions = DialogInterface.OnClickListener { _, i ->
             when (i) {
                 0 -> ShareUtils.shareText(
-                    requireContext(), selectedItem.name, selectedItem.url, selectedItem.thumbnails
+                    requireContext(),
+                    selectedItem.name,
+                    selectedItem.url,
+                    selectedItem.thumbnails
                 )
+
                 1 -> ShareUtils.openUrlInBrowser(requireContext(), selectedItem.url)
+
                 2 -> deleteChannel(selectedItem)
             }
         }
@@ -374,7 +383,9 @@ class SubscriptionFragment : BaseStateFragment<SubscriptionState>() {
     private val listenerChannelItem = object : OnClickGesture<ChannelInfoItem> {
         override fun selected(selectedItem: ChannelInfoItem) = NavigationHelper.openChannelFragment(
             fm,
-            selectedItem.serviceId, selectedItem.url, selectedItem.name
+            selectedItem.serviceId,
+            selectedItem.url,
+            selectedItem.name
         )
 
         override fun held(selectedItem: ChannelInfoItem) = showLongTapDialog(selectedItem)
@@ -404,6 +415,7 @@ class SubscriptionFragment : BaseStateFragment<SubscriptionState>() {
                     itemsListState = null
                 }
             }
+
             is SubscriptionState.ErrorState -> {
                 result.error?.let {
                     showError(ErrorInfo(result.error, UserAction.SOMETHING_ELSE, "Subscriptions"))

app/src/main/java/org/schabi/newpipe/local/subscription/SubscriptionManager.kt

@@ -37,13 +37,16 @@ class SubscriptionManager(context: Context) {
             filterQuery.isNotEmpty() -> {
                 return if (showOnlyUngrouped) {
                     subscriptionTable.getSubscriptionsOnlyUngroupedFiltered(
-                        currentGroupId, filterQuery
+                        currentGroupId,
+                        filterQuery
                     )
                 } else {
                     subscriptionTable.getSubscriptionsFiltered(filterQuery)
                 }
             }
+
             showOnlyUngrouped -> subscriptionTable.getSubscriptionsOnlyUngrouped(currentGroupId)
+
             else -> subscriptionTable.getAll()
         }
     }
@@ -67,19 +70,18 @@ class SubscriptionManager(context: Context) {
         return listEntities
     }
 
-    fun updateChannelInfo(info: ChannelInfo): Completable =
+    fun updateChannelInfo(info: ChannelInfo): Completable = subscriptionTable.getSubscription(info.serviceId, info.url)
-        subscriptionTable.getSubscription(info.serviceId, info.url)
+        .flatMapCompletable {
-            .flatMapCompletable {
+            Completable.fromRunnable {
-                Completable.fromRunnable {
+                it.apply {
-                    it.apply {
+                    name = info.name
-                        name = info.name
+                    avatarUrl = ImageStrategy.imageListToDbUrl(info.avatars)
-                        avatarUrl = ImageStrategy.imageListToDbUrl(info.avatars)
+                    description = info.description
-                        description = info.description
+                    subscriberCount = info.subscriberCount
-                        subscriberCount = info.subscriberCount
-                    }
-                    subscriptionTable.update(it)
                 }
+                subscriptionTable.update(it)
             }
+        }
 
     fun updateNotificationMode(serviceId: Int, url: String, @NotificationMode mode: Int): Completable {
         return subscriptionTable().getSubscription(serviceId, url)

app/src/main/java/org/schabi/newpipe/local/subscription/SubscriptionViewModel.kt

@@ -9,6 +9,7 @@ import com.xwray.groupie.Group
 import io.reactivex.rxjava3.core.Flowable
 import io.reactivex.rxjava3.processors.BehaviorProcessor
 import io.reactivex.rxjava3.schedulers.Schedulers
+import java.util.concurrent.TimeUnit
 import org.schabi.newpipe.info_list.ItemViewMode
 import org.schabi.newpipe.local.feed.FeedDatabaseManager
 import org.schabi.newpipe.local.subscription.item.ChannelItem
@@ -16,7 +17,6 @@ import org.schabi.newpipe.local.subscription.item.FeedGroupCardGridItem
 import org.schabi.newpipe.local.subscription.item.FeedGroupCardItem
 import org.schabi.newpipe.util.DEFAULT_THROTTLE_TIMEOUT
 import org.schabi.newpipe.util.ThemeHelper.getItemViewMode
-import java.util.concurrent.TimeUnit
 
 class SubscriptionViewModel(application: Application) : AndroidViewModel(application) {
     private var feedDatabaseManager: FeedDatabaseManager = FeedDatabaseManager(application)

app/src/main/java/org/schabi/newpipe/local/subscription/dialog/FeedGroupDialog.kt

@@ -23,6 +23,7 @@ import com.livefront.bridge.Bridge
 import com.xwray.groupie.GroupieAdapter
 import com.xwray.groupie.OnItemClickListener
 import com.xwray.groupie.Section
+import java.io.Serializable
 import org.schabi.newpipe.R
 import org.schabi.newpipe.database.feed.model.FeedGroupEntity
 import org.schabi.newpipe.databinding.DialogFeedGroupCreateBinding
@@ -40,7 +41,6 @@ import org.schabi.newpipe.local.subscription.item.PickerIconItem
 import org.schabi.newpipe.local.subscription.item.PickerSubscriptionItem
 import org.schabi.newpipe.util.DeviceUtils
 import org.schabi.newpipe.util.ThemeHelper
-import java.io.Serializable
 
 class FeedGroupDialog : DialogFragment(), BackPressable {
     private var _feedGroupCreateBinding: DialogFeedGroupCreateBinding? = null
@@ -61,16 +61,41 @@ class FeedGroupDialog : DialogFragment(), BackPressable {
         data object DeleteScreen : ScreenState()
     }
 
-    @State @JvmField var selectedIcon: FeedGroupIcon? = null
+    @State
-    @State @JvmField var selectedSubscriptions: HashSet<Long> = HashSet()
+    @JvmField
-    @State @JvmField var wasSubscriptionSelectionChanged: Boolean = false
+    var selectedIcon: FeedGroupIcon? = null
-    @State @JvmField var currentScreen: ScreenState = InitialScreen
 
-    @State @JvmField var subscriptionsListState: Parcelable? = null
+    @State
-    @State @JvmField var iconsListState: Parcelable? = null
+    @JvmField
-    @State @JvmField var wasSearchSubscriptionsVisible = false
+    var selectedSubscriptions: HashSet<Long> = HashSet()
-    @State @JvmField var subscriptionsCurrentSearchQuery = ""
+
-    @State @JvmField var subscriptionsShowOnlyUngrouped = false
+    @State
+    @JvmField
+    var wasSubscriptionSelectionChanged: Boolean = false
+
+    @State
+    @JvmField
+    var currentScreen: ScreenState = InitialScreen
+
+    @State
+    @JvmField
+    var subscriptionsListState: Parcelable? = null
+
+    @State
+    @JvmField
+    var iconsListState: Parcelable? = null
+
+    @State
+    @JvmField
+    var wasSearchSubscriptionsVisible = false
+
+    @State
+    @JvmField
+    var subscriptionsCurrentSearchQuery = ""
+
+    @State
+    @JvmField
+    var subscriptionsShowOnlyUngrouped = false
 
     private val subscriptionMainSection = Section()
     private val subscriptionEmptyFooter = Section()
@@ -153,8 +178,10 @@ class FeedGroupDialog : DialogFragment(), BackPressable {
             itemAnimator = null
             adapter = subscriptionGroupAdapter
             layoutManager = GridLayoutManager(
-                requireContext(), subscriptionGroupAdapter.spanCount,
+                requireContext(),
-                RecyclerView.VERTICAL, false
+                subscriptionGroupAdapter.spanCount,
+                RecyclerView.VERTICAL,
+                false
             ).apply {
                 spanSizeLookup = subscriptionGroupAdapter.spanSizeLookup
             }
@@ -362,7 +389,8 @@ class FeedGroupDialog : DialogFragment(), BackPressable {
         val selectedCount = this.selectedSubscriptions.size
         val selectedCountText = resources.getQuantityString(
             R.plurals.feed_group_dialog_selection_count,
-            selectedCount, selectedCount
+            selectedCount,
+            selectedCount
         )
         feedGroupCreateBinding.selectedSubscriptionCountView.text = selectedCountText
         feedGroupCreateBinding.subscriptionsHeaderInfo.text = selectedCountText
@@ -478,7 +506,7 @@ class FeedGroupDialog : DialogFragment(), BackPressable {
     private fun hideKeyboardSearch() {
         inputMethodManager.hideSoftInputFromWindow(
             searchLayoutBinding.toolbarSearchEditText.windowToken,
-            InputMethodManager.RESULT_UNCHANGED_SHOWN
+            InputMethodManager.HIDE_NOT_ALWAYS
         )
         searchLayoutBinding.toolbarSearchEditText.clearFocus()
     }
@@ -495,7 +523,7 @@ class FeedGroupDialog : DialogFragment(), BackPressable {
     private fun hideKeyboard() {
         inputMethodManager.hideSoftInputFromWindow(
             feedGroupCreateBinding.groupNameInput.windowToken,
-            InputMethodManager.RESULT_UNCHANGED_SHOWN
+            InputMethodManager.HIDE_NOT_ALWAYS
         )
         feedGroupCreateBinding.groupNameInput.clearFocus()
     }

app/src/main/java/org/schabi/newpipe/local/subscription/dialog/FeedGroupDialogViewModel.kt

@@ -55,7 +55,8 @@ class FeedGroupDialogViewModel(
 
     private var subscriptionsDisposable = Flowable
         .combineLatest(
-            subscriptionsFlowable, feedDatabaseManager.subscriptionIdsForGroup(groupId)
+            subscriptionsFlowable,
+            feedDatabaseManager.subscriptionIdsForGroup(groupId)
         ) { t1: List<PickerSubscriptionItem>, t2: List<Long> -> t1 to t2.toSet() }
         .subscribeOn(Schedulers.io())
         .subscribe(mutableSubscriptionsLiveData::postValue)
@@ -125,7 +126,10 @@ class FeedGroupDialogViewModel(
         ) = viewModelFactory {
             initializer {
                 FeedGroupDialogViewModel(
-                    context.applicationContext, groupId, initialQuery, initialShowOnlyUngrouped
+                    context.applicationContext,
+                    groupId,
+                    initialQuery,
+                    initialShowOnlyUngrouped
                 )
             }
         }

app/src/main/java/org/schabi/newpipe/local/subscription/dialog/FeedGroupReorderDialog.kt

@@ -15,6 +15,7 @@ import com.evernote.android.state.State
 import com.livefront.bridge.Bridge
 import com.xwray.groupie.GroupieAdapter
 import com.xwray.groupie.TouchCallback
+import java.util.Collections
 import org.schabi.newpipe.R
 import org.schabi.newpipe.database.feed.model.FeedGroupEntity
 import org.schabi.newpipe.databinding.DialogFeedGroupReorderBinding
@@ -22,7 +23,6 @@ import org.schabi.newpipe.local.subscription.dialog.FeedGroupReorderDialogViewMo
 import org.schabi.newpipe.local.subscription.dialog.FeedGroupReorderDialogViewModel.DialogEvent.SuccessEvent
 import org.schabi.newpipe.local.subscription.item.FeedGroupReorderItem
 import org.schabi.newpipe.util.ThemeHelper
-import java.util.Collections
 
 class FeedGroupReorderDialog : DialogFragment() {
     private var _binding: DialogFeedGroupReorderBinding? = null

app/src/main/java/org/schabi/newpipe/local/subscription/item/ChannelItem.kt

@@ -43,7 +43,10 @@ class ChannelItem(
 
         gesturesListener?.run {
             viewHolder.root.setOnClickListener { selected(infoItem) }
-            viewHolder.root.setOnLongClickListener { held(infoItem); true }
+            viewHolder.root.setOnLongClickListener {
+                held(infoItem)
+                true
+            }
         }
     }
 

app/src/main/java/org/schabi/newpipe/local/subscription/item/FeedGroupCardGridItem.kt

@@ -10,7 +10,7 @@ import org.schabi.newpipe.local.subscription.FeedGroupIcon
 data class FeedGroupCardGridItem(
     val groupId: Long = FeedGroupEntity.GROUP_ALL_ID,
     val name: String,
-    val icon: FeedGroupIcon,
+    val icon: FeedGroupIcon
 ) : BindableItem<FeedGroupCardGridItemBinding>() {
     constructor (feedGroupEntity: FeedGroupEntity) : this(feedGroupEntity.uid, feedGroupEntity.name, feedGroupEntity.icon)
 

app/src/main/java/org/schabi/newpipe/local/subscription/services/BaseImportExportService.java

@@ -144,7 +144,9 @@ public abstract class BaseImportExportService extends Service {
             notificationBuilder.setContentText(text);
         }
 
-        notificationManager.notify(getNotificationId(), notificationBuilder.build());
+        if (notificationManager.areNotificationsEnabled()) {
+            notificationManager.notify(getNotificationId(), notificationBuilder.build());
+        }
     }
 
     protected void stopService() {
@@ -174,7 +176,10 @@ public abstract class BaseImportExportService extends Service {
                 .setContentTitle(title)
                 .setStyle(new NotificationCompat.BigTextStyle().bigText(textOrEmpty))
                 .setContentText(textOrEmpty);
-        notificationManager.notify(getNotificationId(), notificationBuilder.build());
+
+        if (notificationManager.areNotificationsEnabled()) {
+            notificationManager.notify(getNotificationId(), notificationBuilder.build());
+        }
     }
 
     protected NotificationCompat.Builder createNotification() {

app/src/main/java/org/schabi/newpipe/player/PlayQueueActivity.java

@@ -127,39 +127,39 @@ public final class PlayQueueActivity extends AppCompatActivity
 
     @Override
     public boolean onOptionsItemSelected(final MenuItem item) {
-        switch (item.getItemId()) {
+        final int itemId = item.getItemId();
-            case android.R.id.home:
+        if (itemId == android.R.id.home) {
-                finish();
+            finish();
-                return true;
+            return true;
-            case R.id.action_settings:
+        } else if (itemId == R.id.action_settings) {
-                NavigationHelper.openSettings(this);
+            NavigationHelper.openSettings(this);
-                return true;
+            return true;
-            case R.id.action_append_playlist:
+        } else if (itemId == R.id.action_append_playlist) {
-                PlaylistDialog.showForPlayQueue(player, getSupportFragmentManager());
+            PlaylistDialog.showForPlayQueue(player, getSupportFragmentManager());
-                return true;
+            return true;
-            case R.id.action_playback_speed:
+        } else if (itemId == R.id.action_playback_speed) {
-                openPlaybackParameterDialog();
+            openPlaybackParameterDialog();
-                return true;
+            return true;
-            case R.id.action_mute:
+        } else if (itemId == R.id.action_mute) {
-                player.toggleMute();
+            player.toggleMute();
-                return true;
+            return true;
-            case R.id.action_system_audio:
+        } else if (itemId == R.id.action_system_audio) {
-                startActivity(new Intent(Settings.ACTION_SOUND_SETTINGS));
+            startActivity(new Intent(Settings.ACTION_SOUND_SETTINGS));
-                return true;
+            return true;
-            case R.id.action_switch_main:
+        } else if (itemId == R.id.action_switch_main) {
+            this.player.setRecovery();
+            NavigationHelper.playOnMainPlayer(this, player.getPlayQueue(), true);
+            return true;
+        } else if (itemId == R.id.action_switch_popup) {
+            if (PermissionHelper.isPopupEnabledElseAsk(this)) {
                 this.player.setRecovery();
-                NavigationHelper.playOnMainPlayer(this, player.getPlayQueue(), true);
+                NavigationHelper.playOnPopupPlayer(this, player.getPlayQueue(), true);
-                return true;
+            }
-            case R.id.action_switch_popup:
+            return true;
-                if (PermissionHelper.isPopupEnabledElseAsk(this)) {
+        } else if (itemId == R.id.action_switch_background) {
-                    this.player.setRecovery();
+            this.player.setRecovery();
-                    NavigationHelper.playOnPopupPlayer(this, player.getPlayQueue(), true);
+            NavigationHelper.playOnBackgroundPlayer(this, player.getPlayQueue(), true);
-                }
+            return true;
-                return true;
-            case R.id.action_switch_background:
-                this.player.setRecovery();
-                NavigationHelper.playOnBackgroundPlayer(this, player.getPlayQueue(), true);
-                return true;
         }
 
         if (item.getGroupId() == MENU_ID_AUDIO_TRACK) {

app/src/main/java/org/schabi/newpipe/player/Player.java

@@ -114,6 +114,7 @@ import org.schabi.newpipe.player.playqueue.SinglePlayQueue;
 import org.schabi.newpipe.player.resolver.AudioPlaybackResolver;
 import org.schabi.newpipe.player.resolver.VideoPlaybackResolver;
 import org.schabi.newpipe.player.resolver.VideoPlaybackResolver.SourceType;
+import org.schabi.newpipe.player.ui.BackgroundPlayerUi;
 import org.schabi.newpipe.player.ui.MainPlayerUi;
 import org.schabi.newpipe.player.ui.PlayerUi;
 import org.schabi.newpipe.player.ui.PlayerUiList;
@@ -271,6 +272,7 @@ public final class Player implements PlaybackListener, Listener {
     @NonNull
     private final HistoryRecordManager recordManager;
 
+    private boolean screenOn = true;
 
     /*//////////////////////////////////////////////////////////////////////////
     // Constructor
@@ -565,15 +567,12 @@ public final class Player implements PlaybackListener, Listener {
         if (queueCache == null) {
             return null;
         }
-        final PlayQueue newQueue = SerializedCache.getInstance().take(queueCache, PlayQueue.class);
+        return SerializedCache.getInstance().take(queueCache, PlayQueue.class);
-        if (newQueue == null) {
-            return null;
-        }
-        return newQueue;
     }
 
     private void initUIsForCurrentPlayerType() {
         if ((UIs.get(MainPlayerUi.class).isPresent() && playerType == PlayerType.MAIN)
+                || (UIs.get(BackgroundPlayerUi.class).isPresent() && playerType == PlayerType.AUDIO)
                 || (UIs.get(PopupPlayerUi.class).isPresent() && playerType == PlayerType.POPUP)) {
             // correct UI already in place
             return;
@@ -592,14 +591,17 @@ public final class Player implements PlaybackListener, Listener {
         switch (playerType) {
             case MAIN:
                 UIs.destroyAll(PopupPlayerUi.class);
+                UIs.destroyAll(BackgroundPlayerUi.class);
                 UIs.addAndPrepare(new MainPlayerUi(this, binding));
                 break;
             case POPUP:
                 UIs.destroyAll(MainPlayerUi.class);
+                UIs.destroyAll(BackgroundPlayerUi.class);
                 UIs.addAndPrepare(new PopupPlayerUi(this, binding));
                 break;
             case AUDIO:
-                UIs.destroyAll(VideoPlayerUi.class);
+                UIs.destroyAll(VideoPlayerUi.class); // destroys both MainPlayerUi and PopupPlayerUi
+                UIs.addAndPrepare(new BackgroundPlayerUi(this));
                 break;
         }
     }
@@ -842,6 +844,12 @@ public final class Player implements PlaybackListener, Listener {
             case ACTION_SHUFFLE:
                 toggleShuffleModeEnabled();
                 break;
+            case Intent.ACTION_SCREEN_OFF:
+                screenOn = false;
+                break;
+            case Intent.ACTION_SCREEN_ON:
+                screenOn = true;
+                break;
             case Intent.ACTION_CONFIGURATION_CHANGED:
                 if (DEBUG) {
                     Log.d(TAG, "ACTION_CONFIGURATION_CHANGED received");
@@ -2029,7 +2037,7 @@ public final class Player implements PlaybackListener, Listener {
         // resolver was called when the app was in background, the app will only stream audio when
         // the user come back to the app and will never fetch the video stream.
         // Note that the video is not fetched when the app is in background because the video
-        // renderer is fully disabled (see useVideoSource method), except for HLS streams
+        // renderer is fully disabled (see useVideoAndSubtitles method), except for HLS streams
         // (see https://github.com/google/ExoPlayer/issues/9282).
         return videoResolver.resolve(info);
     }
@@ -2195,12 +2203,19 @@ public final class Player implements PlaybackListener, Listener {
         }
     }
 
-    public void useVideoSource(final boolean videoEnabled) {
+    public void useVideoAndSubtitles(final boolean videoAndSubtitlesEnabled) {
-        if (playQueue == null || audioPlayerSelected()) {
+        if (playQueue == null) {
             return;
         }
 
-        isAudioOnly = !videoEnabled;
+        isAudioOnly = !videoAndSubtitlesEnabled;
+
+        final var item = playQueue.getItem();
+        final boolean hasPendingRecovery =
+                item != null && item.getRecoveryPosition() != PlayQueueItem.RECOVERY_UNSET;
+        final boolean hasTimeline =
+                !exoPlayerIsNull() && !simpleExoPlayer.getCurrentTimeline().isEmpty();
+
 
         getCurrentStreamInfo().ifPresentOrElse(info -> {
             // In case we don't know the source type, fall back to either video-with-audio, or
@@ -2208,27 +2223,34 @@ public final class Player implements PlaybackListener, Listener {
             final SourceType sourceType = videoResolver.getStreamSourceType()
                     .orElse(SourceType.VIDEO_WITH_AUDIO_OR_AUDIO_ONLY);
 
+            if (hasTimeline || !hasPendingRecovery) {
+                // making sure to save playback position before reloadPlayQueueManager()
+                setRecovery();
+            }
+
             if (playQueueManagerReloadingNeeded(sourceType, info, getVideoRendererIndex())) {
                 reloadPlayQueueManager();
             }
-
-            setRecovery();
-
-            // Disable or enable video and subtitles renderers depending of the videoEnabled value
-            trackSelector.setParameters(trackSelector.buildUponParameters()
-                    .setTrackTypeDisabled(C.TRACK_TYPE_TEXT, !videoEnabled)
-                    .setTrackTypeDisabled(C.TRACK_TYPE_VIDEO, !videoEnabled));
         }, () -> {
             /*
             The current metadata may be null sometimes (for e.g. when using an unstable connection
-            in livestreams) so we will be not able to execute the block below
+            in livestreams) so we will be not able to execute the block above
 
             Reload the play queue manager in this case, which is the behavior when we don't know the
             index of the video renderer or playQueueManagerReloadingNeeded returns true
             */
+            if (hasTimeline || !hasPendingRecovery) {
+                // making sure to save playback position before reloadPlayQueueManager()
+                setRecovery();
+            }
             reloadPlayQueueManager();
-            setRecovery();
         });
+
+        // Disable or enable video and subtitles renderers depending of the
+        // videoAndSubtitlesEnabled value
+        trackSelector.setParameters(trackSelector.buildUponParameters()
+                .setTrackTypeDisabled(C.TRACK_TYPE_TEXT, !videoAndSubtitlesEnabled)
+                .setTrackTypeDisabled(C.TRACK_TYPE_VIDEO, !videoAndSubtitlesEnabled));
     }
 
     /**
@@ -2461,4 +2483,11 @@ public final class Player implements PlaybackListener, Listener {
                 .orElse(RENDERER_UNAVAILABLE);
     }
     //endregion
+
+    /**
+     * @return whether the device screen is turned on.
+     */
+    public boolean isScreenOn() {
+        return screenOn;
+    }
 }

app/src/main/java/org/schabi/newpipe/player/datasource/YoutubeHttpDataSource.java

@@ -14,10 +14,8 @@ import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Util.castNonNull;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getAndroidUserAgent;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getIosUserAgent;
-import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.getTvHtml5UserAgent;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.isAndroidStreamingUrl;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.isIosStreamingUrl;
-import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.isTvHtml5StreamingUrl;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.isWebStreamingUrl;
 import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.isWebEmbeddedPlayerStreamingUrl;
 import static java.lang.Math.min;
@@ -661,10 +659,7 @@ public final class YoutubeHttpDataSource extends BaseDataSource implements HttpD
             }
         }
 
-        final boolean isTvHtml5StreamingUrl = isTvHtml5StreamingUrl(requestUrl);
-
         if (isWebStreamingUrl(requestUrl)
-                || isTvHtml5StreamingUrl
                 || isWebEmbeddedPlayerStreamingUrl(requestUrl)) {
             httpURLConnection.setRequestProperty(HttpHeaders.ORIGIN, YOUTUBE_BASE_URL);
             httpURLConnection.setRequestProperty(HttpHeaders.REFERER, YOUTUBE_BASE_URL);
@@ -685,9 +680,6 @@ public final class YoutubeHttpDataSource extends BaseDataSource implements HttpD
         } else if (isIosStreamingUrl) {
             httpURLConnection.setRequestProperty(HttpHeaders.USER_AGENT,
                     getIosUserAgent(null));
-        } else if (isTvHtml5StreamingUrl) {
-            httpURLConnection.setRequestProperty(HttpHeaders.USER_AGENT,
-                    getTvHtml5UserAgent());
         } else {
             // non-mobile user agent
             httpURLConnection.setRequestProperty(HttpHeaders.USER_AGENT, DownloaderImpl.USER_AGENT);

app/src/main/java/org/schabi/newpipe/player/gesture/BasePlayerGestureListener.kt

@@ -18,7 +18,7 @@ import org.schabi.newpipe.player.ui.VideoPlayerUi
  * and provides some abstract methods to make it easier separating the logic from the UI.
  */
 abstract class BasePlayerGestureListener(
-    private val playerUi: VideoPlayerUi,
+    private val playerUi: VideoPlayerUi
 ) : GestureDetector.SimpleOnGestureListener(), View.OnTouchListener {
 
     protected val player: Player = playerUi.player
@@ -86,8 +86,9 @@ abstract class BasePlayerGestureListener(
     // ///////////////////////////////////////////////////////////////////
 
     override fun onDown(e: MotionEvent): Boolean {
-        if (DEBUG)
+        if (DEBUG) {
             Log.d(TAG, "onDown called with e = [$e]")
+        }
 
         if (isDoubleTapping && isDoubleTapEnabled) {
             doubleTapControls?.onDoubleTapProgressDown(getDisplayPortion(e))
@@ -108,8 +109,9 @@ abstract class BasePlayerGestureListener(
     }
 
     override fun onDoubleTap(e: MotionEvent): Boolean {
-        if (DEBUG)
+        if (DEBUG) {
             Log.d(TAG, "onDoubleTap called with e = [$e]")
+        }
 
         onDoubleTap(e, getDisplayPortion(e))
         return true
@@ -136,8 +138,9 @@ abstract class BasePlayerGestureListener(
 
     private fun startMultiDoubleTap(e: MotionEvent) {
         if (!isDoubleTapping) {
-            if (DEBUG)
+            if (DEBUG) {
                 Log.d(TAG, "startMultiDoubleTap called with e = [$e]")
+            }
 
             keepInDoubleTapMode()
             doubleTapControls?.onDoubleTapStarted(getDisplayPortion(e))
@@ -145,8 +148,9 @@ abstract class BasePlayerGestureListener(
     }
 
     fun keepInDoubleTapMode() {
-        if (DEBUG)
+        if (DEBUG) {
             Log.d(TAG, "keepInDoubleTapMode called")
+        }
 
         isDoubleTapping = true
         doubleTapHandler.removeCallbacksAndMessages(DOUBLE_TAP)
@@ -161,8 +165,9 @@ abstract class BasePlayerGestureListener(
     }
 
     fun endMultiDoubleTap() {
-        if (DEBUG)
+        if (DEBUG) {
             Log.d(TAG, "endMultiDoubleTap called")
+        }
 
         isDoubleTapping = false
         doubleTapHandler.removeCallbacksAndMessages(DOUBLE_TAP)

app/src/main/java/org/schabi/newpipe/player/gesture/DisplayPortion.kt

@@ -1,5 +1,9 @@
 package org.schabi.newpipe.player.gesture
 
 enum class DisplayPortion {
-    LEFT, MIDDLE, RIGHT, LEFT_HALF, RIGHT_HALF
+    LEFT,
+    MIDDLE,
+    RIGHT,
+    LEFT_HALF,
+    RIGHT_HALF
 }

app/src/main/java/org/schabi/newpipe/player/gesture/MainPlayerGestureListener.kt

@@ -8,6 +8,7 @@ import android.widget.ProgressBar
 import androidx.appcompat.app.AppCompatActivity
 import androidx.appcompat.content.res.AppCompatResources
 import androidx.core.view.isVisible
+import kotlin.math.abs
 import org.schabi.newpipe.MainActivity
 import org.schabi.newpipe.R
 import org.schabi.newpipe.ktx.AnimationType
@@ -17,7 +18,6 @@ import org.schabi.newpipe.player.helper.AudioReactor
 import org.schabi.newpipe.player.helper.PlayerHelper
 import org.schabi.newpipe.player.ui.MainPlayerUi
 import org.schabi.newpipe.util.ThemeHelper.getAndroidDimenPx
-import kotlin.math.abs
 
 /**
  * GestureListener for the player
@@ -42,24 +42,29 @@ class MainPlayerGestureListener(
                 v.parent?.requestDisallowInterceptTouchEvent(playerUi.isFullscreen)
                 true
             }
+
             MotionEvent.ACTION_UP -> {
                 v.parent?.requestDisallowInterceptTouchEvent(false)
                 false
             }
+
             else -> true
         }
     }
 
     override fun onSingleTapConfirmed(e: MotionEvent): Boolean {
-        if (DEBUG)
+        if (DEBUG) {
             Log.d(TAG, "onSingleTapConfirmed() called with: e = [$e]")
+        }
 
-        if (isDoubleTapping)
+        if (isDoubleTapping) {
             return true
+        }
         super.onSingleTapConfirmed(e)
 
-        if (player.currentState != Player.STATE_BLOCKED)
+        if (player.currentState != Player.STATE_BLOCKED) {
             onSingleTap()
+        }
         return true
     }
 
@@ -195,6 +200,7 @@ class MainPlayerGestureListener(
             when (PlayerHelper.getActionForRightGestureSide(player.context)) {
                 player.context.getString(R.string.volume_control_key) ->
                     onScrollVolume(distanceY)
+
                 player.context.getString(R.string.brightness_control_key) ->
                     onScrollBrightness(distanceY)
             }
@@ -202,6 +208,7 @@ class MainPlayerGestureListener(
             when (PlayerHelper.getActionForLeftGestureSide(player.context)) {
                 player.context.getString(R.string.volume_control_key) ->
                     onScrollVolume(distanceY)
+
                 player.context.getString(R.string.brightness_control_key) ->
                     onScrollBrightness(distanceY)
             }

app/src/main/java/org/schabi/newpipe/player/gesture/PopupPlayerGestureListener.kt

@@ -5,17 +5,17 @@ import android.view.MotionEvent
 import android.view.View
 import android.view.ViewConfiguration
 import androidx.core.view.isVisible
-import org.schabi.newpipe.MainActivity
-import org.schabi.newpipe.ktx.AnimationType
-import org.schabi.newpipe.ktx.animate
-import org.schabi.newpipe.player.ui.PopupPlayerUi
 import kotlin.math.abs
 import kotlin.math.hypot
 import kotlin.math.max
 import kotlin.math.min
+import org.schabi.newpipe.MainActivity
+import org.schabi.newpipe.ktx.AnimationType
+import org.schabi.newpipe.ktx.animate
+import org.schabi.newpipe.player.ui.PopupPlayerUi
 
 class PopupPlayerGestureListener(
-    private val playerUi: PopupPlayerUi,
+    private val playerUi: PopupPlayerUi
 ) : BasePlayerGestureListener(playerUi) {
 
     private var isMoving = false
@@ -205,13 +205,16 @@ class PopupPlayerGestureListener(
     }
 
     override fun onSingleTapConfirmed(e: MotionEvent): Boolean {
-        if (DEBUG)
+        if (DEBUG) {
             Log.d(TAG, "onSingleTapConfirmed() called with: e = [$e]")
+        }
 
-        if (isDoubleTapping)
+        if (isDoubleTapping) {
             return true
-        if (player.exoPlayerIsNull())
+        }
+        if (player.exoPlayerIsNull()) {
             return false
+        }
 
         onSingleTap()
         return true

app/src/main/java/org/schabi/newpipe/player/helper/PlayerDataSource.java

@@ -129,6 +129,13 @@ public class PlayerDataSource {
                 getDefaultDashChunkSourceFactory(cachelessDataSourceFactory),
                 cachelessDataSourceFactory);
     }
+
+    public DashMediaSource.Factory getLiveYoutubeDashMediaSourceFactory() {
+        return new DashMediaSource.Factory(
+                getDefaultDashChunkSourceFactory(cachelessDataSourceFactory),
+                cachelessDataSourceFactory)
+                .setManifestParser(new YoutubeDashLiveManifestParser());
+    }
     //endregion
 
 

app/src/main/java/org/schabi/newpipe/player/helper/YoutubeDashLiveManifestParser.java

@@ -0,0 +1,68 @@
+package org.schabi.newpipe.player.helper;
+
+import android.net.Uri;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import com.google.android.exoplayer2.source.dash.manifest.DashManifest;
+import com.google.android.exoplayer2.source.dash.manifest.DashManifestParser;
+import com.google.android.exoplayer2.source.dash.manifest.Period;
+import com.google.android.exoplayer2.source.dash.manifest.ProgramInformation;
+import com.google.android.exoplayer2.source.dash.manifest.ServiceDescriptionElement;
+import com.google.android.exoplayer2.source.dash.manifest.UtcTimingElement;
+
+import java.util.List;
+
+/**
+ * A {@link DashManifestParser} fixing YouTube DASH manifests to allow starting playback from the
+ * newest period available instead of the earliest one in some cases.
+ *
+ * <p>
+ * It changes the {@code availabilityStartTime} passed to a custom value doing the workaround.
+ * A better approach to fix the issue should be investigated and used in the future.
+ * </p>
+ */
+public class YoutubeDashLiveManifestParser extends DashManifestParser {
+
+    // Result of Util.parseXsDateTime("1970-01-01T00:00:00Z")
+    private static final long AVAILABILITY_START_TIME_TO_USE = 0;
+
+    // There is no computation made with the availabilityStartTime value in the
+    // parseMediaPresentationDescription method itself, so we can just override methods called in
+    // this method using the workaround value
+    // Overriding parsePeriod does not seem to be needed
+
+    @SuppressWarnings("checkstyle:ParameterNumber")
+    @NonNull
+    @Override
+    protected DashManifest buildMediaPresentationDescription(
+            final long availabilityStartTime,
+            final long durationMs,
+            final long minBufferTimeMs,
+            final boolean dynamic,
+            final long minUpdateTimeMs,
+            final long timeShiftBufferDepthMs,
+            final long suggestedPresentationDelayMs,
+            final long publishTimeMs,
+            @Nullable final ProgramInformation programInformation,
+            @Nullable final UtcTimingElement utcTiming,
+            @Nullable final ServiceDescriptionElement serviceDescription,
+            @Nullable final Uri location,
+            @NonNull final List<Period> periods) {
+        return super.buildMediaPresentationDescription(
+                AVAILABILITY_START_TIME_TO_USE,
+                durationMs,
+                minBufferTimeMs,
+                dynamic,
+                minUpdateTimeMs,
+                timeShiftBufferDepthMs,
+                suggestedPresentationDelayMs,
+                publishTimeMs,
+                programInformation,
+                utcTiming,
+                serviceDescription,
+                location,
+                periods);
+    }
+}

app/src/main/java/org/schabi/newpipe/player/mediabrowser/MediaBrowserCommon.kt

@@ -22,7 +22,7 @@ internal fun infoItemTypeToString(type: InfoType): String {
         InfoType.STREAM -> ID_STREAM
         InfoType.PLAYLIST -> ID_PLAYLIST
         InfoType.CHANNEL -> ID_CHANNEL
-        else -> throw IllegalStateException("Unexpected value: $type")
+        else -> error("Unexpected value: $type")
     }
 }
 
@@ -31,7 +31,7 @@ internal fun infoItemTypeFromString(type: String): InfoType {
         ID_STREAM -> InfoType.STREAM
         ID_PLAYLIST -> InfoType.PLAYLIST
         ID_CHANNEL -> InfoType.CHANNEL
-        else -> throw IllegalStateException("Unexpected value: $type")
+        else -> error("Unexpected value: $type")
     }
 }
 

app/src/main/java/org/schabi/newpipe/player/mediabrowser/MediaBrowserImpl.kt

@@ -17,6 +17,7 @@ import io.reactivex.rxjava3.core.Flowable
 import io.reactivex.rxjava3.core.Single
 import io.reactivex.rxjava3.disposables.CompositeDisposable
 import io.reactivex.rxjava3.schedulers.Schedulers
+import java.util.function.Consumer
 import org.schabi.newpipe.MainActivity.DEBUG
 import org.schabi.newpipe.NewPipeDatabase
 import org.schabi.newpipe.R
@@ -37,7 +38,6 @@ import org.schabi.newpipe.local.playlist.RemotePlaylistManager
 import org.schabi.newpipe.util.ExtractorHelper
 import org.schabi.newpipe.util.ServiceHelper
 import org.schabi.newpipe.util.image.ImageStrategy
-import java.util.function.Consumer
 
 /**
  * This class is used to cleanly separate the Service implementation (in
@@ -47,7 +47,8 @@ import java.util.function.Consumer
  */
 class MediaBrowserImpl(
     private val context: Context,
-    notifyChildrenChanged: Consumer<String>, // parentId
+    // parentId
+    notifyChildrenChanged: Consumer<String>
 ) {
     private val packageValidator = PackageValidator(context)
     private val database = NewPipeDatabase.getInstance(context)
@@ -89,7 +90,8 @@ class MediaBrowserImpl(
 
         val extras = Bundle()
         extras.putBoolean(
-            MediaConstants.BROWSER_SERVICE_EXTRAS_KEY_SEARCH_SUPPORTED, true
+            MediaConstants.BROWSER_SERVICE_EXTRAS_KEY_SEARCH_SUPPORTED,
+            true
         )
         return MediaBrowserServiceCompat.BrowserRoot(ID_ROOT, extras)
     }
@@ -137,7 +139,7 @@ class MediaBrowserImpl(
                 )
             }
 
-            when (/*val uriType = */path.removeAt(0)) {
+            when (path.removeAt(0)) {
                 ID_BOOKMARKS -> {
                     if (path.isEmpty()) {
                         return populateBookmarks()
@@ -204,12 +206,12 @@ class MediaBrowserImpl(
         val extras = Bundle()
         extras.putString(
             MediaConstants.DESCRIPTION_EXTRAS_KEY_CONTENT_STYLE_GROUP_TITLE,
-            context.resources.getString(R.string.tab_bookmarks),
+            context.resources.getString(R.string.tab_bookmarks)
         )
         builder.setExtras(extras)
         return MediaBrowserCompat.MediaItem(
             builder.build(),
-            MediaBrowserCompat.MediaItem.FLAG_BROWSABLE,
+            MediaBrowserCompat.MediaItem.FLAG_BROWSABLE
         )
     }
 
@@ -266,7 +268,7 @@ class MediaBrowserImpl(
     private fun createLocalPlaylistStreamMediaItem(
         playlistId: Long,
         item: PlaylistStreamEntry,
-        index: Int,
+        index: Int
     ): MediaBrowserCompat.MediaItem {
         val builder = MediaDescriptionCompat.Builder()
         builder.setMediaId(createMediaIdForPlaylistIndex(false, playlistId, index))
@@ -283,7 +285,7 @@ class MediaBrowserImpl(
     private fun createRemotePlaylistStreamMediaItem(
         playlistId: Long,
         item: StreamInfoItem,
-        index: Int,
+        index: Int
     ): MediaBrowserCompat.MediaItem {
         val builder = MediaDescriptionCompat.Builder()
         builder.setMediaId(createMediaIdForPlaylistIndex(true, playlistId, index))
@@ -303,7 +305,7 @@ class MediaBrowserImpl(
     private fun createMediaIdForPlaylistIndex(
         isRemote: Boolean,
         playlistId: Long,
-        index: Int,
+        index: Int
     ): String {
         return buildLocalPlaylistItemMediaId(isRemote, playlistId)
             .appendPath(index.toString())

app/src/main/java/org/schabi/newpipe/player/mediabrowser/MediaBrowserPlaybackPreparer.kt

@@ -14,6 +14,8 @@ import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers
 import io.reactivex.rxjava3.core.Single
 import io.reactivex.rxjava3.disposables.Disposable
 import io.reactivex.rxjava3.schedulers.Schedulers
+import java.util.function.BiConsumer
+import java.util.function.Consumer
 import org.schabi.newpipe.MainActivity
 import org.schabi.newpipe.NewPipeDatabase
 import org.schabi.newpipe.R
@@ -30,8 +32,6 @@ import org.schabi.newpipe.player.playqueue.SinglePlayQueue
 import org.schabi.newpipe.util.ChannelTabHelper
 import org.schabi.newpipe.util.ExtractorHelper
 import org.schabi.newpipe.util.NavigationHelper
-import java.util.function.BiConsumer
-import java.util.function.Consumer
 
 /**
  * This class is used to cleanly separate the Service implementation (in
@@ -51,7 +51,7 @@ class MediaBrowserPlaybackPreparer(
     private val context: Context,
     private val setMediaSessionError: BiConsumer<String, Int>, // error string, error code
     private val clearMediaSessionError: Runnable,
-    private val onPrepare: Consumer<Boolean>,
+    private val onPrepare: Consumer<Boolean>
 ) : PlaybackPreparer {
     private val database = NewPipeDatabase.getInstance(context)
     private var disposable: Disposable? = null
@@ -146,7 +146,7 @@ class MediaBrowserPlaybackPreparer(
                 throw parseError(mediaId)
             }
 
-            return when (/*val uriType = */path.removeAt(0)) {
+            return when (path.removeAt(0)) {
                 ID_BOOKMARKS -> extractPlayQueueFromPlaylistMediaId(
                     mediaId,
                     path,
@@ -172,7 +172,7 @@ class MediaBrowserPlaybackPreparer(
     private fun extractPlayQueueFromPlaylistMediaId(
         mediaId: String,
         path: MutableList<String>,
-        url: String?,
+        url: String?
     ): Single<PlayQueue> {
         if (path.isEmpty()) {
             throw parseError(mediaId)
@@ -185,10 +185,11 @@ class MediaBrowserPlaybackPreparer(
                 }
                 val playlistId = path[0].toLong()
                 val index = path[1].toInt()
-                return if (playlistType == ID_LOCAL)
+                return if (playlistType == ID_LOCAL) {
                     extractLocalPlayQueue(playlistId, index)
-                else
+                } else {
                     extractRemotePlayQueue(playlistId, index)
+                }
             }
 
             ID_URL -> {
@@ -208,7 +209,7 @@ class MediaBrowserPlaybackPreparer(
     @Throws(ContentNotAvailableException::class)
     private fun extractPlayQueueFromHistoryMediaId(
         mediaId: String,
-        path: List<String>,
+        path: List<String>
     ): Single<PlayQueue> {
         if (path.size != 1) {
             throw parseError(mediaId)
@@ -229,14 +230,14 @@ class MediaBrowserPlaybackPreparer(
     private fun extractPlayQueueFromInfoItemMediaId(
         mediaId: String,
         path: List<String>,
-        url: String,
+        url: String
     ): Single<PlayQueue> {
         if (path.size != 2) {
             throw parseError(mediaId)
         }
 
         val serviceId = path[1].toInt()
-        return when (/*val infoItemType = */infoItemTypeFromString(path[0])) {
+        return when (infoItemTypeFromString(path[0])) {
             InfoType.STREAM -> ExtractorHelper.getStreamInfo(serviceId, url, false)
                 .map { SinglePlayQueue(it) }
 

app/src/main/java/org/schabi/newpipe/player/mediabrowser/PackageValidator.kt

@@ -30,9 +30,9 @@ import android.support.v4.media.session.MediaSessionCompat
 import android.util.Log
 import androidx.core.app.NotificationManagerCompat
 import androidx.media.MediaBrowserServiceCompat
-import org.schabi.newpipe.BuildConfig
 import java.security.MessageDigest
 import java.security.NoSuchAlgorithmException
+import org.schabi.newpipe.BuildConfig
 
 /**
  * Validates that the calling package is authorized to browse a [MediaBrowserServiceCompat].
@@ -82,11 +82,11 @@ internal class PackageValidator(context: Context) {
 
         // Build the caller info for the rest of the checks here.
         val callerPackageInfo = buildCallerInfo(callingPackage)
-            ?: throw IllegalStateException("Caller wasn't found in the system?")
+            ?: error("Caller wasn't found in the system?")
 
         // Verify that things aren't ... broken. (This test should always pass.)
-        if (callerPackageInfo.uid != callingUid) {
+        check(callerPackageInfo.uid == callingUid) {
-            throw IllegalStateException("Caller's package UID doesn't match caller's actual UID?")
+            "Caller's package UID doesn't match caller's actual UID?"
         }
 
         val callerSignature = callerPackageInfo.signature
@@ -94,18 +94,22 @@ internal class PackageValidator(context: Context) {
         val isCallerKnown = when {
             // If it's our own app making the call, allow it.
             callingUid == Process.myUid() -> true
+
             // If the system is making the call, allow it.
             callingUid == Process.SYSTEM_UID -> true
+
             // If the app was signed by the same certificate as the platform itself, also allow it.
             callerSignature == platformSignature -> true
-            /**
+
+            /*
              * [MEDIA_CONTENT_CONTROL] permission is only available to system applications, and
              * while it isn't required to allow these apps to connect to a
              * [MediaBrowserServiceCompat], allowing this ensures optimal compatability with apps
              * such as Android TV and the Google Assistant.
              */
             callerPackageInfo.permissions.contains(MEDIA_CONTENT_CONTROL) -> true
-            /**
+
+            /*
              * If the calling app has a notification listener it is able to retrieve notifications
              * and can connect to an active [MediaSessionCompat].
              *
@@ -169,11 +173,10 @@ internal class PackageValidator(context: Context) {
      */
     @Suppress("deprecation")
     @SuppressLint("PackageManagerGetSignatures")
-    private fun getPackageInfo(callingPackage: String): PackageInfo? =
+    private fun getPackageInfo(callingPackage: String): PackageInfo? = packageManager.getPackageInfo(
-        packageManager.getPackageInfo(
+        callingPackage,
-            callingPackage,
+        PackageManager.GET_SIGNATURES or PackageManager.GET_PERMISSIONS
-            PackageManager.GET_SIGNATURES or PackageManager.GET_PERMISSIONS
+    )
-        )
 
     /**
      * Gets the signature of a given package's [PackageInfo].
@@ -185,23 +188,21 @@ internal class PackageValidator(context: Context) {
      * returns `null` as the signature.
      */
     @Suppress("deprecation")
-    private fun getSignature(packageInfo: PackageInfo): String? =
+    private fun getSignature(packageInfo: PackageInfo): String? = if (packageInfo.signatures == null || packageInfo.signatures!!.size != 1) {
-        if (packageInfo.signatures == null || packageInfo.signatures!!.size != 1) {
+        // Security best practices dictate that an app should be signed with exactly one (1)
-            // Security best practices dictate that an app should be signed with exactly one (1)
+        // signature. Because of this, if there are multiple signatures, reject it.
-            // signature. Because of this, if there are multiple signatures, reject it.
+        null
-            null
+    } else {
-        } else {
+        val certificate = packageInfo.signatures!![0].toByteArray()
-            val certificate = packageInfo.signatures!![0].toByteArray()
+        getSignatureSha256(certificate)
-            getSignatureSha256(certificate)
+    }
-        }
 
     /**
      * Finds the Android platform signing key signature. This key is never null.
      */
-    private fun getSystemSignature(): String =
+    private fun getSystemSignature(): String = getPackageInfo(ANDROID_PLATFORM)?.let { platformInfo ->
-        getPackageInfo(ANDROID_PLATFORM)?.let { platformInfo ->
+        getSignature(platformInfo)
-            getSignature(platformInfo)
+    } ?: error("Platform signature not found")
-        } ?: throw IllegalStateException("Platform signature not found")
 
     /**
      * Creates a SHA-256 signature given a certificate byte array.

app/src/main/java/org/schabi/newpipe/player/notification/NotificationUtil.java

@@ -72,7 +72,9 @@ public final class NotificationUtil {
             notificationBuilder = createNotification();
         }
         updateNotification();
-        notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());
+        if (notificationManager.areNotificationsEnabled()) {
+            notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());
+        }
     }
 
     public synchronized void updateThumbnail() {
@@ -84,7 +86,9 @@ public final class NotificationUtil {
             }
 
             setLargeIcon(notificationBuilder);
-            notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());
+            if (notificationManager.areNotificationsEnabled()) {
+                notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());
+            }
         }
     }
 

app/src/main/java/org/schabi/newpipe/player/resolver/PlaybackResolver.java

@@ -201,12 +201,15 @@ public interface PlaybackResolver extends Resolver<StreamInfo, MediaSource> {
 
         try {
             final StreamInfoTag tag = StreamInfoTag.of(info);
-            if (!info.getHlsUrl().isEmpty()) {
+            // Prefer DASH over HLS because of an exoPlayer bug that causes the background player to
-                return buildLiveMediaSource(dataSource, info.getHlsUrl(), C.CONTENT_TYPE_HLS, tag);
+            // also fetch the video stream even if it is supposed to just fetch the audio stream.
-            } else if (!info.getDashMpdUrl().isEmpty()) {
+            if (!info.getDashMpdUrl().isEmpty()) {
                 return buildLiveMediaSource(
                         dataSource, info.getDashMpdUrl(), C.CONTENT_TYPE_DASH, tag);
             }
+            if (!info.getHlsUrl().isEmpty()) {
+                return buildLiveMediaSource(dataSource, info.getHlsUrl(), C.CONTENT_TYPE_HLS, tag);
+            }
         } catch (final Exception e) {
             Log.w(TAG, "Error when generating live media source, falling back to standard sources",
                     e);
@@ -225,7 +228,11 @@ public interface PlaybackResolver extends Resolver<StreamInfo, MediaSource> {
                 factory = dataSource.getLiveSsMediaSourceFactory();
                 break;
             case C.CONTENT_TYPE_DASH:
-                factory = dataSource.getLiveDashMediaSourceFactory();
+                if (metadata.getServiceId() == ServiceList.YouTube.getServiceId()) {
+                    factory = dataSource.getLiveYoutubeDashMediaSourceFactory();
+                } else {
+                    factory = dataSource.getLiveDashMediaSourceFactory();
+                }
                 break;
             case C.CONTENT_TYPE_HLS:
                 factory = dataSource.getLiveHlsMediaSourceFactory();

app/src/main/java/org/schabi/newpipe/player/ui/BackgroundPlayerUi.java

@@ -0,0 +1,29 @@
+package org.schabi.newpipe.player.ui;
+
+import androidx.annotation.NonNull;
+
+import org.schabi.newpipe.player.Player;
+
+/**
+ * This is not a "graphical" UI for the background player, but it is used to disable fetching video
+ * and text tracks with it.
+ *
+ * <p>
+ * This allows reducing data usage for manifest sources with demuxed audio and video,
+ * such as livestreams.
+ * </p>
+ */
+public class BackgroundPlayerUi extends PlayerUi {
+
+    public BackgroundPlayerUi(@NonNull final Player player) {
+        super(player);
+    }
+
+    @Override
+    public void initPlayback() {
+        super.initPlayback();
+
+        // Make sure to disable video and subtitles track types
+        player.useVideoAndSubtitles(false);
+    }
+}

app/src/main/java/org/schabi/newpipe/player/ui/MainPlayerUi.java

@@ -216,6 +216,10 @@ public final class MainPlayerUi extends VideoPlayerUi implements View.OnLayoutCh
         playQueueAdapter = new PlayQueueAdapter(context,
                 Objects.requireNonNull(player.getPlayQueue()));
         segmentAdapter = new StreamSegmentAdapter(getStreamSegmentListener());
+
+        // Make sure video and text tracks are enabled if the user is in the app, in the case user
+        // switched from background player to main player
+        player.useVideoAndSubtitles(fragmentIsVisible);
     }
 
     @Override
@@ -331,7 +335,7 @@ public final class MainPlayerUi extends VideoPlayerUi implements View.OnLayoutCh
         } else if (VideoDetailFragment.ACTION_VIDEO_FRAGMENT_RESUMED.equals(intent.getAction())) {
             // Restore video source when user returns to the fragment
             fragmentIsVisible = true;
-            player.useVideoSource(true);
+            player.useVideoAndSubtitles(true);
 
             // When a user returns from background, the system UI will always be shown even if
             // controls are invisible: hide it in that case
@@ -370,7 +374,7 @@ public final class MainPlayerUi extends VideoPlayerUi implements View.OnLayoutCh
         if (player.isPlaying() || player.isLoading()) {
             switch (getMinimizeOnExitAction(context)) {
                 case MINIMIZE_ON_EXIT_MODE_BACKGROUND:
-                    player.useVideoSource(false);
+                    player.useVideoAndSubtitles(false);
                     break;
                 case MINIMIZE_ON_EXIT_MODE_POPUP:
                     getParentActivity().ifPresent(activity -> {

app/src/main/java/org/schabi/newpipe/player/ui/PopupPlayerUi.java

@@ -152,6 +152,14 @@ public final class PopupPlayerUi extends VideoPlayerUi {
         windowManager.addView(closeOverlayBinding.getRoot(), closeOverlayLayoutParams);
     }
 
+    @Override
+    public void initPlayback() {
+        super.initPlayback();
+        // Make sure video and text tracks are enabled if the screen is turned on (which should
+        // always be the case), in the case user switched from background player to popup player
+        player.useVideoAndSubtitles(player.isScreenOn());
+    }
+
     @Override
     protected void setupElementsVisibility() {
         binding.fullScreenButton.setVisibility(View.VISIBLE);
@@ -219,10 +227,10 @@ public final class PopupPlayerUi extends VideoPlayerUi {
         } else if (player.isPlaying() || player.isLoading()) {
             if (Intent.ACTION_SCREEN_OFF.equals(intent.getAction())) {
                 // Use only audio source when screen turns off while popup player is playing
-                player.useVideoSource(false);
+                player.useVideoAndSubtitles(false);
             } else if (Intent.ACTION_SCREEN_ON.equals(intent.getAction())) {
                 // Restore video source when screen turns on and user was watching video in popup
-                player.useVideoSource(true);
+                player.useVideoAndSubtitles(true);
             }
         }
     }

app/src/main/java/org/schabi/newpipe/settings/export/BackupFileLocator.kt

@@ -8,6 +8,7 @@ import java.io.File
 class BackupFileLocator(private val homeDir: File) {
     companion object {
         const val FILE_NAME_DB = "newpipe.db"
+
         @Deprecated(
             "Serializing preferences with Java's ObjectOutputStream is vulnerable to injections",
             replaceWith = ReplaceWith("FILE_NAME_JSON_PREFS")

app/src/main/java/org/schabi/newpipe/settings/export/ImportExportManager.kt

@@ -5,13 +5,13 @@ import com.grack.nanojson.JsonArray
 import com.grack.nanojson.JsonParser
 import com.grack.nanojson.JsonParserException
 import com.grack.nanojson.JsonWriter
-import org.schabi.newpipe.streams.io.SharpOutputStream
-import org.schabi.newpipe.streams.io.StoredFileHelper
-import org.schabi.newpipe.util.ZipHelper
 import java.io.FileNotFoundException
 import java.io.IOException
 import java.io.ObjectOutputStream
 import java.util.zip.ZipOutputStream
+import org.schabi.newpipe.streams.io.SharpOutputStream
+import org.schabi.newpipe.streams.io.StoredFileHelper
+import org.schabi.newpipe.util.ZipHelper
 
 class ImportExportManager(private val fileLocator: BackupFileLocator) {
     companion object {
@@ -31,7 +31,7 @@ class ImportExportManager(private val fileLocator: BackupFileLocator) {
             ZipHelper.addFileToZip(
                 outZip,
                 BackupFileLocator.FILE_NAME_DB,
-                fileLocator.db.path,
+                fileLocator.db.path
             )
 
             // add the legacy vulnerable serialized preferences (will be removed in the future)
@@ -78,7 +78,7 @@ class ImportExportManager(private val fileLocator: BackupFileLocator) {
         val success = ZipHelper.extractFileFromZip(
             file,
             BackupFileLocator.FILE_NAME_DB,
-            fileLocator.db.path,
+            fileLocator.db.path
         )
 
         if (success) {
@@ -122,10 +122,15 @@ class ImportExportManager(private val fileLocator: BackupFileLocator) {
                 for ((key, value) in entries) {
                     when (value) {
                         is Boolean -> editor.putBoolean(key, value)
+
                         is Float -> editor.putFloat(key, value)
+
                         is Int -> editor.putInt(key, value)
+
                         is Long -> editor.putLong(key, value)
+
                         is String -> editor.putString(key, value)
+
                         is Set<*> -> {
                             // There are currently only Sets with type String possible
                             @Suppress("UNCHECKED_CAST")
@@ -159,10 +164,15 @@ class ImportExportManager(private val fileLocator: BackupFileLocator) {
             for ((key, value) in jsonObject) {
                 when (value) {
                     is Boolean -> editor.putBoolean(key, value)
+
                     is Float -> editor.putFloat(key, value)
+
                     is Int -> editor.putInt(key, value)
+
                     is Long -> editor.putLong(key, value)
+
                     is String -> editor.putString(key, value)
+
                     is JsonArray -> {
                         editor.putStringSet(key, value.mapNotNull { e -> e as? String }.toSet())
                     }