Fix inconsistency in getQuantity and add docs

`getQuantity()` was being called in a couple of places with `zeroCaseStringId=0`, but that wasn't documented anywhere, and if `count==0` then `getString(zeroCaseStringId /* == 0 */)` would be returned which doesn't make sense

.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"
 
@@ -77,19 +79,18 @@ android {
                 resValue("string", "app_name", "NewPipe $suffix")
             }
             isMinifyEnabled = true
-            isShrinkResources = false // disabled to fix F-Droid"s reproducible build
-            proguardFiles(getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro")
+            isShrinkResources = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
         }
     }
 
     lint {
-        checkReleaseBuilds = false
-        // Or, if you prefer, you can continue to check for errors in release builds,
-        // but continue the build even when errors are found:
+        lintConfig = file("lint.xml")
+        // Continue the debug 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 +101,7 @@ android {
 
     sourceSets {
         getByName("androidTest") {
-            assets.srcDir("$projectDir/schemas")
+            assets.directories += "$projectDir/schemas"
         }
     }
 
@@ -111,6 +112,7 @@ android {
     buildFeatures {
         viewBinding = true
         buildConfig = true
+        resValues = true
     }
 
     packaging {
@@ -270,7 +272,8 @@ dependencies {
     implementation(libs.lisawray.groupie.viewbinding)
 
     // Image loading
-    implementation(libs.squareup.picasso)
+    implementation(libs.coil.compose)
+    implementation(libs.coil.network.okhttp)
 
     // Markdown library for Android
     implementation(libs.noties.markwon.core)

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/main/java/org/schabi/newpipe/App.java

@@ -1,285 +0,0 @@
-package org.schabi.newpipe;
-
-import android.app.Application;
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.util.Log;
-
-import androidx.annotation.NonNull;
-import androidx.core.app.NotificationChannelCompat;
-import androidx.core.app.NotificationManagerCompat;
-import androidx.preference.PreferenceManager;
-
-import com.jakewharton.processphoenix.ProcessPhoenix;
-
-import org.acra.ACRA;
-import org.acra.config.CoreConfigurationBuilder;
-import org.schabi.newpipe.error.ReCaptchaActivity;
-import org.schabi.newpipe.extractor.NewPipe;
-import org.schabi.newpipe.extractor.downloader.Downloader;
-import org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeStreamExtractor;
-import org.schabi.newpipe.ktx.ExceptionUtils;
-import org.schabi.newpipe.settings.NewPipeSettings;
-import org.schabi.newpipe.util.BridgeStateSaverInitializer;
-import org.schabi.newpipe.util.Localization;
-import org.schabi.newpipe.util.ServiceHelper;
-import org.schabi.newpipe.util.StateSaver;
-import org.schabi.newpipe.util.image.ImageStrategy;
-import org.schabi.newpipe.util.image.PicassoHelper;
-import org.schabi.newpipe.util.image.PreferredImageQuality;
-import org.schabi.newpipe.util.potoken.PoTokenProviderImpl;
-
-import java.io.IOException;
-import java.io.InterruptedIOException;
-import java.net.SocketException;
-import java.util.List;
-import java.util.Objects;
-
-import io.reactivex.rxjava3.exceptions.CompositeException;
-import io.reactivex.rxjava3.exceptions.MissingBackpressureException;
-import io.reactivex.rxjava3.exceptions.OnErrorNotImplementedException;
-import io.reactivex.rxjava3.exceptions.UndeliverableException;
-import io.reactivex.rxjava3.functions.Consumer;
-import io.reactivex.rxjava3.plugins.RxJavaPlugins;
-
-/*
- * Copyright (C) Hans-Christoph Steiner 2016 <hans@eds.org>
- * App.java is part of NewPipe.
- *
- * 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.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-public class App extends Application {
-    public static final String PACKAGE_NAME = BuildConfig.APPLICATION_ID;
-    private static final String TAG = App.class.toString();
-
-    private boolean isFirstRun = false;
-    private boolean notificationsRequested = false;
-
-    private static App app;
-
-    @NonNull
-    public static App getApp() {
-        return app;
-    }
-
-    public boolean getNotificationsRequested() {
-        return notificationsRequested;
-    }
-
-    public void setNotificationsRequested() {
-        notificationsRequested = true;
-    }
-
-    @Override
-    protected void attachBaseContext(final Context base) {
-        super.attachBaseContext(base);
-        initACRA();
-    }
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-
-        app = this;
-
-        if (ProcessPhoenix.isPhoenixProcess(this)) {
-            Log.i(TAG, "This is a phoenix process! "
-                    + "Aborting initialization of App[onCreate]");
-            return;
-        }
-
-        // check if the last used preference version is set
-        // to determine whether this is the first app run
-        final int lastUsedPrefVersion = PreferenceManager.getDefaultSharedPreferences(this)
-                .getInt(getString(R.string.last_used_preferences_version), -1);
-        isFirstRun = lastUsedPrefVersion == -1;
-
-        // Initialize settings first because other initializations can use its values
-        NewPipeSettings.initSettings(this);
-
-        NewPipe.init(getDownloader(),
-            Localization.getPreferredLocalization(this),
-            Localization.getPreferredContentCountry(this));
-        Localization.initPrettyTime(Localization.resolvePrettyTime());
-
-        BridgeStateSaverInitializer.init(this);
-        StateSaver.init(this);
-        initNotificationChannels();
-
-        ServiceHelper.initServices(this);
-
-        // Initialize image loader
-        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
-        PicassoHelper.init(this);
-        ImageStrategy.setPreferredImageQuality(PreferredImageQuality.fromPreferenceKey(this,
-                prefs.getString(getString(R.string.image_quality_key),
-                        getString(R.string.image_quality_default))));
-        PicassoHelper.setIndicatorsEnabled(MainActivity.DEBUG
-                && prefs.getBoolean(getString(R.string.show_image_indicators_key), false));
-
-        configureRxJavaErrorHandler();
-
-        YoutubeStreamExtractor.setPoTokenProvider(PoTokenProviderImpl.INSTANCE);
-    }
-
-    @Override
-    public void onTerminate() {
-        super.onTerminate();
-        PicassoHelper.terminate();
-    }
-
-    protected Downloader getDownloader() {
-        final DownloaderImpl downloader = DownloaderImpl.init(null);
-        setCookiesToDownloader(downloader);
-        return downloader;
-    }
-
-    protected void setCookiesToDownloader(final DownloaderImpl downloader) {
-        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(
-                getApplicationContext());
-        final String key = getApplicationContext().getString(R.string.recaptcha_cookies_key);
-        downloader.setCookie(ReCaptchaActivity.RECAPTCHA_COOKIES_KEY, prefs.getString(key, null));
-        downloader.updateYoutubeRestrictedModeCookies(getApplicationContext());
-    }
-
-    private void configureRxJavaErrorHandler() {
-        // https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0#error-handling
-        RxJavaPlugins.setErrorHandler(new Consumer<Throwable>() {
-            @Override
-            public void accept(@NonNull final Throwable throwable) {
-                Log.e(TAG, "RxJavaPlugins.ErrorHandler called with -> : "
-                        + "throwable = [" + throwable.getClass().getName() + "]");
-
-                final Throwable actualThrowable;
-                if (throwable instanceof UndeliverableException) {
-                    // As UndeliverableException is a wrapper,
-                    // get the cause of it to get the "real" exception
-                    actualThrowable = Objects.requireNonNull(throwable.getCause());
-                } else {
-                    actualThrowable = throwable;
-                }
-
-                final List<Throwable> errors;
-                if (actualThrowable instanceof CompositeException) {
-                    errors = ((CompositeException) actualThrowable).getExceptions();
-                } else {
-                    errors = List.of(actualThrowable);
-                }
-
-                for (final Throwable error : errors) {
-                    if (isThrowableIgnored(error)) {
-                        return;
-                    }
-                    if (isThrowableCritical(error)) {
-                        reportException(error);
-                        return;
-                    }
-                }
-
-                // Out-of-lifecycle exceptions should only be reported if a debug user wishes so,
-                // When exception is not reported, log it
-                if (isDisposedRxExceptionsReported()) {
-                    reportException(actualThrowable);
-                } else {
-                    Log.e(TAG, "RxJavaPlugin: Undeliverable Exception received: ", actualThrowable);
-                }
-            }
-
-            private boolean isThrowableIgnored(@NonNull final Throwable throwable) {
-                // Don't crash the application over a simple network problem
-                return ExceptionUtils.hasAssignableCause(throwable,
-                        // network api cancellation
-                        IOException.class, SocketException.class,
-                        // blocking code disposed
-                        InterruptedException.class, InterruptedIOException.class);
-            }
-
-            private boolean isThrowableCritical(@NonNull final Throwable throwable) {
-                // Though these exceptions cannot be ignored
-                return ExceptionUtils.hasAssignableCause(throwable,
-                        NullPointerException.class, IllegalArgumentException.class, // bug in app
-                        OnErrorNotImplementedException.class, MissingBackpressureException.class,
-                        IllegalStateException.class); // bug in operator
-            }
-
-            private void reportException(@NonNull final Throwable throwable) {
-                // Throw uncaught exception that will trigger the report system
-                Thread.currentThread().getUncaughtExceptionHandler()
-                        .uncaughtException(Thread.currentThread(), throwable);
-            }
-        });
-    }
-
-    /**
-     * Called in {@link #attachBaseContext(Context)} after calling the {@code super} method.
-     * Should be overridden if MultiDex is enabled, since it has to be initialized before ACRA.
-     */
-    protected void initACRA() {
-        if (ACRA.isACRASenderServiceProcess()) {
-            return;
-        }
-
-        final CoreConfigurationBuilder acraConfig = new CoreConfigurationBuilder()
-                .withBuildConfigClass(BuildConfig.class);
-        ACRA.init(this, acraConfig);
-    }
-
-    private void initNotificationChannels() {
-        // Keep the importance below DEFAULT to avoid making noise on every notification update for
-        // the main and update channels
-        final List<NotificationChannelCompat> notificationChannelCompats = List.of(
-                new NotificationChannelCompat.Builder(getString(R.string.notification_channel_id),
-                        NotificationManagerCompat.IMPORTANCE_LOW)
-                        .setName(getString(R.string.notification_channel_name))
-                        .setDescription(getString(R.string.notification_channel_description))
-                        .build(),
-                new NotificationChannelCompat
-                        .Builder(getString(R.string.app_update_notification_channel_id),
-                        NotificationManagerCompat.IMPORTANCE_LOW)
-                        .setName(getString(R.string.app_update_notification_channel_name))
-                        .setDescription(
-                                getString(R.string.app_update_notification_channel_description))
-                        .build(),
-                new NotificationChannelCompat.Builder(getString(R.string.hash_channel_id),
-                        NotificationManagerCompat.IMPORTANCE_HIGH)
-                        .setName(getString(R.string.hash_channel_name))
-                        .setDescription(getString(R.string.hash_channel_description))
-                        .build(),
-                new NotificationChannelCompat.Builder(getString(R.string.error_report_channel_id),
-                        NotificationManagerCompat.IMPORTANCE_LOW)
-                        .setName(getString(R.string.error_report_channel_name))
-                        .setDescription(getString(R.string.error_report_channel_description))
-                        .build(),
-                new NotificationChannelCompat
-                        .Builder(getString(R.string.streams_notification_channel_id),
-                        NotificationManagerCompat.IMPORTANCE_DEFAULT)
-                        .setName(getString(R.string.streams_notification_channel_name))
-                        .setDescription(
-                                getString(R.string.streams_notification_channel_description))
-                        .build()
-        );
-
-        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(this);
-        notificationManager.createNotificationChannelsCompat(notificationChannelCompats);
-    }
-
-    protected boolean isDisposedRxExceptionsReported() {
-        return false;
-    }
-
-    public boolean isFirstRun() {
-        return isFirstRun;
-    }
-}

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

@@ -0,0 +1,293 @@
+package org.schabi.newpipe
+
+import android.app.ActivityManager
+import android.app.Application
+import android.content.Context
+import android.util.Log
+import androidx.core.app.NotificationChannelCompat
+import androidx.core.app.NotificationManagerCompat
+import androidx.core.content.getSystemService
+import androidx.preference.PreferenceManager
+import coil3.ImageLoader
+import coil3.SingletonImageLoader
+import coil3.network.okhttp.OkHttpNetworkFetcherFactory
+import coil3.request.allowRgb565
+import coil3.request.crossfade
+import coil3.util.DebugLogger
+import com.jakewharton.processphoenix.ProcessPhoenix
+import io.reactivex.rxjava3.exceptions.CompositeException
+import io.reactivex.rxjava3.exceptions.MissingBackpressureException
+import io.reactivex.rxjava3.exceptions.OnErrorNotImplementedException
+import io.reactivex.rxjava3.exceptions.UndeliverableException
+import io.reactivex.rxjava3.functions.Consumer
+import io.reactivex.rxjava3.plugins.RxJavaPlugins
+import java.io.IOException
+import java.io.InterruptedIOException
+import java.net.SocketException
+import org.acra.ACRA.init
+import org.acra.ACRA.isACRASenderServiceProcess
+import org.acra.config.CoreConfigurationBuilder
+import org.schabi.newpipe.error.ReCaptchaActivity
+import org.schabi.newpipe.extractor.NewPipe
+import org.schabi.newpipe.extractor.downloader.Downloader
+import org.schabi.newpipe.extractor.services.youtube.extractors.YoutubeStreamExtractor
+import org.schabi.newpipe.ktx.hasAssignableCause
+import org.schabi.newpipe.settings.NewPipeSettings
+import org.schabi.newpipe.util.BridgeStateSaverInitializer
+import org.schabi.newpipe.util.Localization
+import org.schabi.newpipe.util.ServiceHelper
+import org.schabi.newpipe.util.StateSaver
+import org.schabi.newpipe.util.image.ImageStrategy
+import org.schabi.newpipe.util.image.PreferredImageQuality
+import org.schabi.newpipe.util.potoken.PoTokenProviderImpl
+
+/*
+ * Copyright (C) Hans-Christoph Steiner 2016 <hans@eds.org>
+ * App.kt is part of NewPipe.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
+ */
+open class App :
+    Application(),
+    SingletonImageLoader.Factory {
+    var isFirstRun = false
+        private set
+    var notificationsRequested = false
+        private set
+
+    fun setNotificationsRequested() {
+        notificationsRequested = true
+    }
+
+    override fun attachBaseContext(base: Context?) {
+        super.attachBaseContext(base)
+        initACRA()
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+
+        instance = this
+
+        if (ProcessPhoenix.isPhoenixProcess(this)) {
+            Log.i(TAG, "This is a phoenix process! Aborting initialization of App[onCreate]")
+            return
+        }
+
+        // check if the last used preference version is set
+        // to determine whether this is the first app run
+        val lastUsedPrefVersion =
+            PreferenceManager
+                .getDefaultSharedPreferences(this)
+                .getInt(getString(R.string.last_used_preferences_version), -1)
+        isFirstRun = lastUsedPrefVersion == -1
+
+        // Initialize settings first because other initializations can use its values
+        NewPipeSettings.initSettings(this)
+
+        NewPipe.init(
+            getDownloader(),
+            Localization.getPreferredLocalization(this),
+            Localization.getPreferredContentCountry(this)
+        )
+        Localization.initPrettyTime(Localization.resolvePrettyTime())
+
+        BridgeStateSaverInitializer.init(this)
+        StateSaver.init(this)
+        initNotificationChannels()
+
+        ServiceHelper.initServices(this)
+
+        // Initialize image loader
+        val prefs = PreferenceManager.getDefaultSharedPreferences(this)
+        ImageStrategy.setPreferredImageQuality(
+            PreferredImageQuality.fromPreferenceKey(
+                this,
+                prefs.getString(
+                    getString(R.string.image_quality_key),
+                    getString(R.string.image_quality_default)
+                )
+            )
+        )
+
+        configureRxJavaErrorHandler()
+
+        YoutubeStreamExtractor.setPoTokenProvider(PoTokenProviderImpl)
+    }
+
+    override fun newImageLoader(context: Context): ImageLoader = ImageLoader
+        .Builder(this)
+        .logger(if (BuildConfig.DEBUG) DebugLogger() else null)
+        .allowRgb565(getSystemService<ActivityManager>()!!.isLowRamDevice)
+        .crossfade(true)
+        .components {
+            add(OkHttpNetworkFetcherFactory(callFactory = DownloaderImpl.getInstance().client))
+        }.build()
+
+    protected open fun getDownloader(): Downloader {
+        val downloader = DownloaderImpl.init(null)
+        setCookiesToDownloader(downloader)
+        return downloader
+    }
+
+    protected fun setCookiesToDownloader(downloader: DownloaderImpl) {
+        val prefs = PreferenceManager.getDefaultSharedPreferences(this)
+        val key = getString(R.string.recaptcha_cookies_key)
+        downloader.setCookie(ReCaptchaActivity.RECAPTCHA_COOKIES_KEY, prefs.getString(key, null))
+        downloader.updateYoutubeRestrictedModeCookies(this)
+    }
+
+    private fun configureRxJavaErrorHandler() {
+        // https://github.com/ReactiveX/RxJava/wiki/What's-different-in-2.0#error-handling
+        RxJavaPlugins.setErrorHandler(
+            object : Consumer<Throwable> {
+                override fun accept(throwable: Throwable) {
+                    Log.e(TAG, "RxJavaPlugins.ErrorHandler called with -> : throwable = [${throwable.javaClass.getName()}]")
+
+                    // As UndeliverableException is a wrapper,
+                    // get the cause of it to get the "real" exception
+                    val actualThrowable = (throwable as? UndeliverableException)?.cause ?: throwable
+
+                    val errors = (actualThrowable as? CompositeException)?.exceptions ?: listOf(actualThrowable)
+
+                    for (error in errors) {
+                        if (isThrowableIgnored(error)) {
+                            return
+                        }
+                        if (isThrowableCritical(error)) {
+                            reportException(error)
+                            return
+                        }
+                    }
+
+                    // Out-of-lifecycle exceptions should only be reported if a debug user wishes so,
+                    // When exception is not reported, log it
+                    if (isDisposedRxExceptionsReported()) {
+                        reportException(actualThrowable)
+                    } else {
+                        Log.e(TAG, "RxJavaPlugin: Undeliverable Exception received: ", actualThrowable)
+                    }
+                }
+
+                fun isThrowableIgnored(throwable: Throwable): Boolean {
+                    // Don't crash the application over a simple network problem
+                    return throwable // network api cancellation
+                        .hasAssignableCause(
+                            IOException::class.java,
+                            SocketException::class.java, // blocking code disposed
+                            InterruptedException::class.java,
+                            InterruptedIOException::class.java
+                        )
+                }
+
+                fun isThrowableCritical(throwable: Throwable): Boolean {
+                    // Though these exceptions cannot be ignored
+                    return throwable
+                        .hasAssignableCause(
+                            // bug in app
+                            NullPointerException::class.java,
+                            IllegalArgumentException::class.java,
+                            OnErrorNotImplementedException::class.java,
+                            MissingBackpressureException::class.java,
+                            // bug in operator
+                            IllegalStateException::class.java
+                        )
+                }
+
+                fun reportException(throwable: Throwable) {
+                    // Throw uncaught exception that will trigger the report system
+                    Thread
+                        .currentThread()
+                        .uncaughtExceptionHandler
+                        .uncaughtException(Thread.currentThread(), throwable)
+                }
+            }
+        )
+    }
+
+    /**
+     * Called in [.attachBaseContext] after calling the `super` method.
+     * Should be overridden if MultiDex is enabled, since it has to be initialized before ACRA.
+     */
+    protected fun initACRA() {
+        if (isACRASenderServiceProcess()) {
+            return
+        }
+
+        val acraConfig =
+            CoreConfigurationBuilder()
+                .withBuildConfigClass(BuildConfig::class.java)
+        init(this, acraConfig)
+    }
+
+    private fun initNotificationChannels() {
+        // Keep the importance below DEFAULT to avoid making noise on every notification update for
+        // the main and update channels
+        val mainChannel =
+            NotificationChannelCompat
+                .Builder(
+                    getString(R.string.notification_channel_id),
+                    NotificationManagerCompat.IMPORTANCE_LOW
+                ).setName(getString(R.string.notification_channel_name))
+                .setDescription(getString(R.string.notification_channel_description))
+                .build()
+        val appUpdateChannel =
+            NotificationChannelCompat
+                .Builder(
+                    getString(R.string.app_update_notification_channel_id),
+                    NotificationManagerCompat.IMPORTANCE_LOW
+                ).setName(getString(R.string.app_update_notification_channel_name))
+                .setDescription(getString(R.string.app_update_notification_channel_description))
+                .build()
+        val hashChannel =
+            NotificationChannelCompat
+                .Builder(
+                    getString(R.string.hash_channel_id),
+                    NotificationManagerCompat.IMPORTANCE_HIGH
+                ).setName(getString(R.string.hash_channel_name))
+                .setDescription(getString(R.string.hash_channel_description))
+                .build()
+        val errorReportChannel =
+            NotificationChannelCompat
+                .Builder(
+                    getString(R.string.error_report_channel_id),
+                    NotificationManagerCompat.IMPORTANCE_LOW
+                ).setName(getString(R.string.error_report_channel_name))
+                .setDescription(getString(R.string.error_report_channel_description))
+                .build()
+        val newStreamChannel =
+            NotificationChannelCompat
+                .Builder(
+                    getString(R.string.streams_notification_channel_id),
+                    NotificationManagerCompat.IMPORTANCE_DEFAULT
+                ).setName(getString(R.string.streams_notification_channel_name))
+                .setDescription(getString(R.string.streams_notification_channel_description))
+                .build()
+
+        val channels = listOf(mainChannel, appUpdateChannel, hashChannel, errorReportChannel, newStreamChannel)
+
+        NotificationManagerCompat.from(this).createNotificationChannelsCompat(channels)
+    }
+
+    protected open fun isDisposedRxExceptionsReported(): Boolean = false
+
+    companion object {
+        const val PACKAGE_NAME: String = BuildConfig.APPLICATION_ID
+        private val TAG = App::class.java.toString()
+
+        @JvmStatic
+        lateinit var instance: App
+            private set
+    }
+}

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

@@ -48,6 +48,11 @@ public final class DownloaderImpl extends Downloader {
         this.mCookies = new HashMap<>();
     }
 
+    @NonNull
+    public OkHttpClient getClient() {
+        return client;
+    }
+
     /**
      * It's recommended to call exactly once in the entire lifetime of the application.
      *

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

@@ -1,50 +0,0 @@
-package org.schabi.newpipe;
-
-import android.annotation.SuppressLint;
-import android.app.Activity;
-import android.content.Intent;
-import android.os.Bundle;
-
-import org.schabi.newpipe.util.NavigationHelper;
-
-/*
- * Copyright (C) Hans-Christoph Steiner 2016 <hans@eds.org>
- * ExitActivity.java is part of NewPipe.
- *
- * 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.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-public class ExitActivity extends Activity {
-
-    public static void exitAndRemoveFromRecentApps(final Activity activity) {
-        final Intent intent = new Intent(activity, ExitActivity.class);
-
-        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
-                | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
-                | Intent.FLAG_ACTIVITY_CLEAR_TASK
-                | Intent.FLAG_ACTIVITY_NO_ANIMATION);
-
-        activity.startActivity(intent);
-    }
-
-    @SuppressLint("NewApi")
-    @Override
-    protected void onCreate(final Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        finishAndRemoveTask();
-
-        NavigationHelper.restartApp(this);
-    }
-}

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

@@ -0,0 +1,36 @@
+/*
+ * SPDX-FileCopyrightText: 2016-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe
+
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.content.Intent
+import android.os.Bundle
+import org.schabi.newpipe.util.NavigationHelper
+
+class ExitActivity : Activity() {
+    @SuppressLint("NewApi")
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        finishAndRemoveTask()
+        NavigationHelper.restartApp(this)
+    }
+
+    companion object {
+        @JvmStatic
+        fun exitAndRemoveFromRecentApps(activity: Activity) {
+            val intent = Intent(activity, ExitActivity::class.java)
+            intent.addFlags(
+                Intent.FLAG_ACTIVITY_NEW_TASK
+                    or Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
+                    or Intent.FLAG_ACTIVITY_CLEAR_TASK
+                    or Intent.FLAG_ACTIVITY_NO_ANIMATION
+            )
+
+            activity.startActivity(intent)
+        }
+    }
+}

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

@@ -20,12 +20,14 @@
 
 package org.schabi.newpipe;
 
+import android.app.AlertDialog;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
+import android.net.Uri;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
@@ -96,6 +98,8 @@ import org.schabi.newpipe.util.ThemeHelper;
 import org.schabi.newpipe.util.external_communication.ShareUtils;
 import org.schabi.newpipe.views.FocusOverlayView;
 
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
@@ -191,11 +195,17 @@ public class MainActivity extends AppCompatActivity {
             NotificationWorker.initialize(this);
         }
         if (!UpdateSettingsFragment.wasUserAskedForConsent(this)
-                && !App.getApp().isFirstRun()
+                && !App.getInstance().isFirstRun()
                 && ReleaseVersionUtil.INSTANCE.isReleaseApk()) {
             UpdateSettingsFragment.askForConsentToUpdateChecks(this);
         }
 
+        // ReleaseVersionUtil.INSTANCE.isReleaseApk() will be true only for main official build
+        // We want every release build (nightly, nightly-refactor) to show the popup
+        if (!DEBUG) {
+            showKeepAndroidDialog();
+        }
+
         MigrationManager.showUserInfoIfPresent(this);
     }
 
@@ -203,7 +213,7 @@ public class MainActivity extends AppCompatActivity {
     protected void onPostCreate(final Bundle savedInstanceState) {
         super.onPostCreate(savedInstanceState);
 
-        final App app = App.getApp();
+        final App app = App.getInstance();
 
         if (sharedPreferences.getBoolean(app.getString(R.string.update_app_key), false)
                 && sharedPreferences
@@ -309,25 +319,21 @@ public class MainActivity extends AppCompatActivity {
     }
 
     private boolean drawerItemSelected(final MenuItem item) {
-        switch (item.getGroupId()) {
-            case R.id.menu_services_group:
-                changeService(item);
-                break;
-            case R.id.menu_tabs_group:
-                tabSelected(item);
-                break;
-            case R.id.menu_kiosks_group:
-                try {
-                    kioskSelected(item);
-                } catch (final Exception e) {
-                    ErrorUtil.showUiErrorSnackbar(this, "Selecting drawer kiosk", e);
-                }
-                break;
-            case R.id.menu_options_about_group:
-                optionsAboutSelected(item);
-                break;
-            default:
-                return false;
+        final int groupId = item.getGroupId();
+        if (groupId == R.id.menu_services_group) {
+            changeService(item);
+        } else if (groupId == R.id.menu_tabs_group) {
+            tabSelected(item);
+        } else if (groupId == R.id.menu_kiosks_group) {
+            try {
+                kioskSelected(item);
+            } catch (final Exception e) {
+                ErrorUtil.showUiErrorSnackbar(this, "Selecting drawer kiosk", e);
+            }
+        } else if (groupId == R.id.menu_options_about_group) {
+            optionsAboutSelected(item);
+        } else {
+            return false;
         }
 
         mainBinding.getRoot().closeDrawers();
@@ -977,4 +983,58 @@ public class MainActivity extends AppCompatActivity {
                 || sheetState == BottomSheetBehavior.STATE_COLLAPSED;
     }
 
+    private void showKeepAndroidDialog() {
+        final var prefs = PreferenceManager.getDefaultSharedPreferences(this);
+
+        final var now = Instant.now();
+        final var kaoLastCheck = Instant.ofEpochMilli(prefs.getLong(
+                getString(R.string.kao_last_checked_key),
+                0
+        ));
+
+        final var supportedLannguages = List.of("fr", "de", "ca", "es", "id", "it", "pl",
+                "pt", "cs", "sk", "fa", "ar", "tr", "el", "th", "ru", "uk", "ko", "zh", "ja");
+        final var locale = Localization.getAppLocale();
+        final String kaoBaseUrl = "https://keepandroidopen.org/";
+        final String kaoURIString;
+        if (supportedLannguages.contains(locale.getLanguage())) {
+            if ("zh".equals(locale.getLanguage())) {
+                kaoURIString = kaoBaseUrl + ("TW".equals(locale.getCountry()) ? "zh-TW" : "zh-CN");
+            } else {
+                kaoURIString = kaoBaseUrl + locale.getLanguage();
+            }
+        } else {
+            kaoURIString = kaoBaseUrl;
+        }
+        final var kaoURI = Uri.parse(kaoURIString);
+        final var solutionURI = Uri.parse(
+                "https://github.com/woheller69/FreeDroidWarn?tab=readme-ov-file#solutions");
+
+        if (kaoLastCheck.plus(30, ChronoUnit.DAYS).isBefore(now)) {
+            final var dialog = new AlertDialog.Builder(this)
+                    .setTitle("Keep Android Open")
+                    .setCancelable(false)
+                    .setMessage(this.getString(R.string.kao_dialog_warning))
+                    .setPositiveButton(this.getString(android.R.string.ok), (d, w) -> {
+                        prefs.edit()
+                                .putLong(
+                                        getString(R.string.kao_last_checked_key),
+                                        now.toEpochMilli()
+                                )
+                                .apply();
+                    })
+                    .setNeutralButton(this.getString(R.string.kao_solution), null)
+                    .setNegativeButton(this.getString(R.string.kao_dialog_more_info), null)
+                    .show();
+
+            // If we use setNeutralButton and etc. dialog will close after pressing the buttons,
+            // but we want it to close only when positive button is pressed
+            dialog.getButton(AlertDialog.BUTTON_NEGATIVE).setOnClickListener(v ->
+                    this.startActivity(new Intent(Intent.ACTION_VIEW, kaoURI))
+            );
+            dialog.getButton(AlertDialog.BUTTON_NEUTRAL).setOnClickListener(v ->
+                    this.startActivity(new Intent(Intent.ACTION_VIEW, solutionURI))
+            );
+        }
+    }
 }

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

@@ -82,7 +82,9 @@ class NewVersionWorker(
             )
 
         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()) {
-                case R.id.menu_item_remove:
-                    final int index = playQueue.indexOf(item);
-                    playQueue.remove(index);
-                    return true;
-                case R.id.menu_item_details:
-                    // playQueue is null since we don't want any queue change
-                    NavigationHelper.openVideoDetail(context, item.getServiceId(),
-                            item.getUrl(), item.getTitle(), null,
-                            false);
-                    return true;
-                case R.id.menu_item_append_playlist:
-                    PlaylistDialog.createCorrespondingDialog(
-                            context,
-                            List.of(new StreamEntity(item)),
-                            dialog -> dialog.show(
-                                    fragmentManager,
-                                    "QueueItemMenuUtil@append_playlist"
-                            )
-                    );
+            final int itemId = menuItem.getItemId();
+            if (itemId == R.id.menu_item_remove) {
+                final int index = playQueue.indexOf(item);
+                playQueue.remove(index);
+                return true;
+            } else if (itemId == R.id.menu_item_details) {
+                // playQueue is null since we don't want any queue change
+                NavigationHelper.openVideoDetail(context, item.getServiceId(),
+                        item.getUrl(), item.getTitle(), null,
+                        false);
+                return true;
+            } else if (itemId == R.id.menu_item_append_playlist) {
+                PlaylistDialog.createCorrespondingDialog(
+                        context,
+                        List.of(new StreamEntity(item)),
+                        dialog -> dialog.show(
+                                fragmentManager,
+                                "QueueItemMenuUtil@append_playlist"
+                        )
+                );
 
-                    return true;
-                case R.id.menu_item_channel_details:
-                    SparseItemUtil.fetchUploaderUrlIfSparse(context, item.getServiceId(),
-                            item.getUrl(), item.getUploaderUrl(),
-                            // An intent must be used here.
-                            // Opening with FragmentManager transactions is not working,
-                            // as PlayQueueActivity doesn't use fragments.
-                            uploaderUrl -> NavigationHelper.openChannelFragmentUsingIntent(
-                                    context, item.getServiceId(), uploaderUrl, item.getUploader()
-                            ));
-                    return true;
-                case R.id.menu_item_share:
-                    shareText(context, item.getTitle(), item.getUrl(),
-                            item.getThumbnails());
-                    return true;
-                case R.id.menu_item_download:
-                    fetchStreamInfoAndSaveToDatabase(context, item.getServiceId(), item.getUrl(),
-                            info -> {
-                                final DownloadDialog downloadDialog = new DownloadDialog(context,
-                                        info);
-                                downloadDialog.show(fragmentManager, "downloadDialog");
-                            });
-                    return true;
+                return true;
+            } else if (itemId == R.id.menu_item_channel_details) {
+                SparseItemUtil.fetchUploaderUrlIfSparse(context, item.getServiceId(),
+                        item.getUrl(), item.getUploaderUrl(),
+                        // An intent must be used here.
+                        // Opening with FragmentManager transactions is not working,
+                        // as PlayQueueActivity doesn't use fragments.
+                        uploaderUrl -> NavigationHelper.openChannelFragmentUsingIntent(
+                                context, item.getServiceId(), uploaderUrl, item.getUploader()
+                        ));
+                return true;
+            } else if (itemId == R.id.menu_item_share) {
+                shareText(context, item.getTitle(), item.getUrl(),
+                        item.getThumbnails());
+                return true;
+            } else if (itemId == R.id.menu_item_download) {
+                fetchStreamInfoAndSaveToDatabase(context, item.getServiceId(), item.getUrl(),
+                        info -> {
+                            final DownloadDialog downloadDialog = new DownloadDialog(context,
+                                    info);
+                            downloadDialog.show(fragmentManager, "downloadDialog");
+                        });
+                return true;
             }
             return false;
         });

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

@@ -343,8 +343,7 @@ public class RouterActivity extends AppCompatActivity {
                 return;
             }
 
-            final List<StreamingService.ServiceInfo.MediaCapability> capabilities =
-                    currentService.getServiceInfo().getMediaCapabilities();
+            final var capabilities = currentService.getServiceInfo().getMediaCapabilities();
 
             // Check if the service supports the choice
             if ((isVideoPlayerSelected && capabilities.contains(VIDEO))
@@ -528,8 +527,7 @@ public class RouterActivity extends AppCompatActivity {
         final List<AdapterChoiceItem> returnedItems = new ArrayList<>();
         returnedItems.add(showInfo); // Always present
 
-        final List<StreamingService.ServiceInfo.MediaCapability> capabilities =
-                service.getServiceInfo().getMediaCapabilities();
+        final var capabilities = service.getServiceInfo().getMediaCapabilities();
 
         if (linkType == LinkType.STREAM || linkType == LinkType.PLAYLIST) {
             if (capabilities.contains(VIDEO)) {

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")
             }
         }
     }
@@ -207,10 +207,10 @@ class AboutActivity : AppCompatActivity() {
                 StandardLicenses.APACHE2
             ),
             SoftwareComponent(
-                "Picasso",
-                "2013",
-                "Square, Inc.",
-                "https://square.github.io/picasso/",
+                "Coil",
+                "2023",
+                "Coil Contributors",
+                "https://coil-kt.github.io/coil/",
                 StandardLicenses.APACHE2
             ),
             SoftwareComponent(
@@ -254,6 +254,13 @@ class AboutActivity : AppCompatActivity() {
                 "ByteHamster",
                 "https://github.com/ByteHamster/SearchPreference",
                 StandardLicenses.MIT
+            ),
+            SoftwareComponent(
+                "FreeDroidWarn",
+                "2026",
+                "woheller69",
+                "https://github.com/woheller69/FreeDroidWarn",
+                StandardLicenses.APACHE2
             )
         )
     }

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

@@ -62,11 +62,7 @@ data class PlaylistRemoteEntity(
         orderingName = playlistInfo.name,
         url = playlistInfo.url,
         thumbnailUrl = ImageStrategy.imageListToDbUrl(
-            if (playlistInfo.thumbnails.isEmpty()) {
-                playlistInfo.uploaderAvatars
-            } else {
-                playlistInfo.thumbnails
-            }
+            playlistInfo.thumbnails.ifEmpty { playlistInfo.uploaderAvatars }
         ),
         uploader = playlistInfo.uploaderName,
         streamCount = playlistInfo.streamCount

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

@@ -87,7 +87,7 @@ 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)) {

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;
 
@@ -344,7 +344,7 @@ public class DownloadDialog extends DialogFragment
         toolbar.setNavigationOnClickListener(v -> dismiss());
         toolbar.setNavigationContentDescription(R.string.cancel);
 
-        okButton = toolbar.findViewById(R.id.okay);
+        okButton = toolbar.getMenu().findItem(R.id.okay);
         okButton.setEnabled(false); // disable until the download service connection is done
 
         toolbar.setOnMenuItemClickListener(item -> {
@@ -558,17 +558,13 @@ public class DownloadDialog extends DialogFragment
         }
         boolean flag = true;
 
-        switch (checkedId) {
-            case R.id.audio_button:
-                setupAudioSpinner();
-                break;
-            case R.id.video_button:
-                setupVideoSpinner();
-                break;
-            case R.id.subtitle_button:
-                setupSubtitleSpinner();
-                flag = false;
-                break;
+        if (checkedId == R.id.audio_button) {
+            setupAudioSpinner();
+        } else if (checkedId == R.id.video_button) {
+            setupVideoSpinner();
+        } else if (checkedId == R.id.subtitle_button) {
+            setupSubtitleSpinner();
+            flag = false;
         }
 
         dialogBinding.threads.setEnabled(flag);
@@ -585,29 +581,26 @@ public class DownloadDialog extends DialogFragment
                     + "position = [" + position + "], id = [" + id + "]");
         }
 
-        switch (parent.getId()) {
-            case R.id.quality_spinner:
-                switch (dialogBinding.videoAudioGroup.getCheckedRadioButtonId()) {
-                    case R.id.video_button:
-                        selectedVideoIndex = position;
-                        onVideoStreamSelected();
-                        break;
-                    case R.id.subtitle_button:
-                        selectedSubtitleIndex = position;
-                        break;
-                }
-                onItemSelectedSetFileName();
-                break;
-            case R.id.audio_track_spinner:
-                final boolean trackChanged = selectedAudioTrackIndex != position;
-                selectedAudioTrackIndex = position;
-                if (trackChanged) {
-                    updateSecondaryStreams();
-                    fetchStreamsSize();
-                }
-                break;
-            case R.id.audio_stream_spinner:
-                selectedAudioIndex = position;
+        final int parentId = parent.getId();
+        if (parentId == R.id.quality_spinner) {
+            final int checkedRadioButtonId = dialogBinding.videoAudioGroup
+                    .getCheckedRadioButtonId();
+            if (checkedRadioButtonId == R.id.video_button) {
+                selectedVideoIndex = position;
+                onVideoStreamSelected();
+            } else if (checkedRadioButtonId == R.id.subtitle_button) {
+                selectedSubtitleIndex = position;
+            }
+            onItemSelectedSetFileName();
+        } else if (parentId == R.id.audio_track_spinner) {
+            final boolean trackChanged = selectedAudioTrackIndex != position;
+            selectedAudioTrackIndex = position;
+            if (trackChanged) {
+                updateSecondaryStreams();
+                fetchStreamsSize();
+            }
+        } else if (parentId == 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()) {
-                case R.id.audio_button:
-                case R.id.video_button:
-                    if (!prevFileName.equals(fileName)) {
-                        // since the user might have switched between audio and video, the correct
-                        // text might already be in place, so avoid resetting the cursor position
-                        dialogBinding.fileName.setText(fileName);
-                    }
-                    break;
-
-                case R.id.subtitle_button:
-                    final String setSubtitleLanguageCode = subtitleStreamsAdapter
-                            .getItem(selectedSubtitleIndex).getLanguageTag();
-                    // this will reset the cursor position, which is bad UX, but it can't be avoided
-                    dialogBinding.fileName.setText(getString(
-                            R.string.caption_file_name, fileName, setSubtitleLanguageCode));
-                    break;
+            final int radioButtonId = dialogBinding.videoAudioGroup
+                    .getCheckedRadioButtonId();
+            if (radioButtonId == R.id.audio_button || radioButtonId == R.id.video_button) {
+                if (!prevFileName.equals(fileName)) {
+                    // since the user might have switched between audio and video, the correct
+                    // text might already be in place, so avoid resetting the cursor position
+                    dialogBinding.fileName.setText(fileName);
+                }
+            } else if (radioButtonId == R.id.subtitle_button) {
+                final String setSubtitleLanguageCode = subtitleStreamsAdapter
+                        .getItem(selectedSubtitleIndex).getLanguageTag();
+                // this will reset the cursor position, which is bad UX, but it can't be avoided
+                dialogBinding.fileName.setText(getString(
+                        R.string.caption_file_name, fileName, setSubtitleLanguageCode));
             }
         }
     }
@@ -770,47 +760,44 @@ public class DownloadDialog extends DialogFragment
 
         filenameTmp = getNameEditText().concat(".");
 
-        switch (dialogBinding.videoAudioGroup.getCheckedRadioButtonId()) {
-            case R.id.audio_button:
-                selectedMediaType = getString(R.string.last_download_type_audio_key);
-                mainStorage = mainStorageAudio;
-                format = audioStreamsAdapter.getItem(selectedAudioIndex).getFormat();
-                size = getWrappedAudioStreams().getSizeInBytes(selectedAudioIndex);
-                if (format == MediaFormat.WEBMA_OPUS) {
-                    mimeTmp = "audio/ogg";
-                    filenameTmp += "opus";
-                } else if (format != null) {
-                    mimeTmp = format.mimeType;
-                    filenameTmp += format.getSuffix();
-                }
-                break;
-            case R.id.video_button:
-                selectedMediaType = getString(R.string.last_download_type_video_key);
-                mainStorage = mainStorageVideo;
-                format = videoStreamsAdapter.getItem(selectedVideoIndex).getFormat();
-                size = wrappedVideoStreams.getSizeInBytes(selectedVideoIndex);
-                if (format != null) {
-                    mimeTmp = format.mimeType;
-                    filenameTmp += format.getSuffix();
-                }
-                break;
-            case R.id.subtitle_button:
-                selectedMediaType = getString(R.string.last_download_type_subtitle_key);
-                mainStorage = mainStorageVideo; // subtitle & video files go together
-                format = subtitleStreamsAdapter.getItem(selectedSubtitleIndex).getFormat();
-                size = wrappedSubtitleStreams.getSizeInBytes(selectedSubtitleIndex);
-                if (format != null) {
-                    mimeTmp = format.mimeType;
-                }
+        final int checkedRadioButtonId = dialogBinding.videoAudioGroup.getCheckedRadioButtonId();
+        if (checkedRadioButtonId == R.id.audio_button) {
+            selectedMediaType = getString(R.string.last_download_type_audio_key);
+            mainStorage = mainStorageAudio;
+            format = audioStreamsAdapter.getItem(selectedAudioIndex).getFormat();
+            size = getWrappedAudioStreams().getSizeInBytes(selectedAudioIndex);
+            if (format == MediaFormat.WEBMA_OPUS) {
+                mimeTmp = "audio/ogg";
+                filenameTmp += "opus";
+            } else if (format != null) {
+                mimeTmp = format.mimeType;
+                filenameTmp += format.getSuffix();
+            }
+        } else if (checkedRadioButtonId == R.id.video_button) {
+            selectedMediaType = getString(R.string.last_download_type_video_key);
+            mainStorage = mainStorageVideo;
+            format = videoStreamsAdapter.getItem(selectedVideoIndex).getFormat();
+            size = wrappedVideoStreams.getSizeInBytes(selectedVideoIndex);
+            if (format != null) {
+                mimeTmp = format.mimeType;
+                filenameTmp += format.getSuffix();
+            }
+        } else if (checkedRadioButtonId == R.id.subtitle_button) {
+            selectedMediaType = getString(R.string.last_download_type_subtitle_key);
+            mainStorage = mainStorageVideo; // subtitle & video files go together
+            format = subtitleStreamsAdapter.getItem(selectedSubtitleIndex).getFormat();
+            size = wrappedSubtitleStreams.getSizeInBytes(selectedSubtitleIndex);
+            if (format != null) {
+                mimeTmp = format.mimeType;
+            }
 
-                if (format == MediaFormat.TTML) {
-                    filenameTmp += MediaFormat.SRT.getSuffix();
-                } else if (format != null) {
-                    filenameTmp += format.getSuffix();
-                }
-                break;
-            default:
-                throw new RuntimeException("No stream selected");
+            if (format == MediaFormat.TTML) {
+                filenameTmp += MediaFormat.SRT.getSuffix();
+            } else if (format != null) {
+                filenameTmp += format.getSuffix();
+            }
+        } else {
+            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()) {
-            case R.id.audio_button:
-                kind = 'a';
-                selectedStream = audioStreamsAdapter.getItem(selectedAudioIndex);
+        final int checkedRadioButtonId = dialogBinding.videoAudioGroup.getCheckedRadioButtonId();
+        if (checkedRadioButtonId == R.id.audio_button) {
+            kind = 'a';
+            selectedStream = audioStreamsAdapter.getItem(selectedAudioIndex);
 
-                if (selectedStream.getFormat() == MediaFormat.M4A) {
-                    psName = Postprocessing.ALGORITHM_M4A_NO_DASH;
-                } else if (selectedStream.getFormat() == MediaFormat.WEBMA_OPUS) {
-                    psName = Postprocessing.ALGORITHM_OGG_FROM_WEBM_DEMUXER;
+            if (selectedStream.getFormat() == MediaFormat.M4A) {
+                psName = Postprocessing.ALGORITHM_M4A_NO_DASH;
+            } else if (selectedStream.getFormat() == MediaFormat.WEBMA_OPUS) {
+                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
-                        .getAllSecondary()
-                        .get(wrappedVideoStreams.getStreamsList().indexOf(selectedStream));
+                final long videoSize = wrappedVideoStreams.getSizeInBytes(
+                        (VideoStream) 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;
-                    }
-
-                    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;
-                    }
+                // 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:
-                threads = 1; // use unique thread for subtitles due small file size
-                kind = 's';
-                selectedStream = subtitleStreamsAdapter.getItem(selectedSubtitleIndex);
+            }
+        } else if (checkedRadioButtonId == R.id.subtitle_button) {
+            threads = 1; // use unique thread for subtitles due small file size
+            kind = 's';
+            selectedStream = subtitleStreamsAdapter.getItem(selectedSubtitleIndex);
 
-                if (selectedStream.getFormat() == MediaFormat.TTML) {
-                    psName = Postprocessing.ALGORITHM_TTML_CONVERTER;
-                    psArgs = new String[] {
-                            selectedStream.getFormat().getSuffix(),
-                            "false" // ignore empty frames
-                    };
-                }
-                break;
-            default:
-                return;
+            if (selectedStream.getFormat() == MediaFormat.TTML) {
+                psName = Postprocessing.ALGORITHM_TTML_CONVERTER;
+                psArgs = new String[]{
+                        selectedStream.getFormat().getSuffix(),
+                        "false" // ignore empty frames
+                };
+            }
+        } else {
+            return;
         }
 
         if (secondaryStream == null) {

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

@@ -1,324 +0,0 @@
-package org.schabi.newpipe.error;
-
-import android.content.Context;
-import android.content.Intent;
-import android.net.Uri;
-import android.os.Build;
-import android.os.Bundle;
-import android.util.Log;
-import android.view.Menu;
-import android.view.MenuInflater;
-import android.view.MenuItem;
-
-import androidx.appcompat.app.ActionBar;
-import androidx.appcompat.app.AlertDialog;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.core.content.IntentCompat;
-
-import com.grack.nanojson.JsonWriter;
-
-import org.schabi.newpipe.BuildConfig;
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.databinding.ActivityErrorBinding;
-import org.schabi.newpipe.util.Localization;
-import org.schabi.newpipe.util.ThemeHelper;
-import org.schabi.newpipe.util.external_communication.ShareUtils;
-
-import java.time.ZonedDateTime;
-import java.time.format.DateTimeFormatter;
-import java.util.Arrays;
-import java.util.stream.Collectors;
-
-/*
- * Created by Christian Schabesberger on 24.10.15.
- *
- * Copyright (C) Christian Schabesberger 2016 <chris.schabesberger@mailbox.org>
- * ErrorActivity.java is part of NewPipe.
- *
- * 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.
- * <
- * 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.
- * <
- * You should have received a copy of the GNU General Public License
- * along with NewPipe.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/**
- * This activity is used to show error details and allow reporting them in various ways. Use {@link
- * ErrorUtil#openActivity(Context, ErrorInfo)} to correctly open this activity.
- */
-public class ErrorActivity extends AppCompatActivity {
-    // LOG TAGS
-    public static final String TAG = ErrorActivity.class.toString();
-    // BUNDLE TAGS
-    public static final String ERROR_INFO = "error_info";
-
-    public static final String ERROR_EMAIL_ADDRESS = "crashreport@newpipe.schabi.org";
-    public static final String ERROR_EMAIL_SUBJECT = "Exception in ";
-
-    public static final String ERROR_GITHUB_ISSUE_URL =
-            "https://github.com/TeamNewPipe/NewPipe/issues";
-
-    private ErrorInfo errorInfo;
-    private String currentTimeStamp;
-
-    private ActivityErrorBinding activityErrorBinding;
-
-
-    ////////////////////////////////////////////////////////////////////////
-    // Activity lifecycle
-    ////////////////////////////////////////////////////////////////////////
-
-    @Override
-    protected void onCreate(final Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        ThemeHelper.setDayNightMode(this);
-        ThemeHelper.setTheme(this);
-
-        activityErrorBinding = ActivityErrorBinding.inflate(getLayoutInflater());
-        setContentView(activityErrorBinding.getRoot());
-
-        final Intent intent = getIntent();
-
-        setSupportActionBar(activityErrorBinding.toolbarLayout.toolbar);
-
-        final ActionBar actionBar = getSupportActionBar();
-        if (actionBar != null) {
-            actionBar.setDisplayHomeAsUpEnabled(true);
-            actionBar.setTitle(R.string.error_report_title);
-            actionBar.setDisplayShowTitleEnabled(true);
-        }
-
-        errorInfo = IntentCompat.getParcelableExtra(intent, ERROR_INFO, ErrorInfo.class);
-
-        // important add guru meditation
-        addGuruMeditation();
-        // print current time, as zoned ISO8601 timestamp
-        final ZonedDateTime now = ZonedDateTime.now();
-        currentTimeStamp = now.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME);
-
-        activityErrorBinding.errorReportEmailButton.setOnClickListener(v ->
-                openPrivacyPolicyDialog(this, "EMAIL"));
-
-        activityErrorBinding.errorReportCopyButton.setOnClickListener(v ->
-                ShareUtils.copyToClipboard(this, buildMarkdown()));
-
-        activityErrorBinding.errorReportGitHubButton.setOnClickListener(v ->
-                openPrivacyPolicyDialog(this, "GITHUB"));
-
-        // normal bugreport
-        buildInfo(errorInfo);
-        activityErrorBinding.errorMessageView.setText(errorInfo.getMessage(this));
-        activityErrorBinding.errorView.setText(formErrorText(errorInfo.getStackTraces()));
-
-        // print stack trace once again for debugging:
-        for (final String e : errorInfo.getStackTraces()) {
-            Log.e(TAG, e);
-        }
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(final Menu menu) {
-        final MenuInflater inflater = getMenuInflater();
-        inflater.inflate(R.menu.error_menu, menu);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(final MenuItem item) {
-        switch (item.getItemId()) {
-            case android.R.id.home:
-                onBackPressed();
-                return true;
-            case R.id.menu_item_share_error:
-                ShareUtils.shareText(getApplicationContext(),
-                        getString(R.string.error_report_title), buildJson());
-                return true;
-            default:
-                return false;
-        }
-    }
-
-    private void openPrivacyPolicyDialog(final Context context, final String action) {
-        new AlertDialog.Builder(context)
-                .setIcon(android.R.drawable.ic_dialog_alert)
-                .setTitle(R.string.privacy_policy_title)
-                .setMessage(R.string.start_accept_privacy_policy)
-                .setCancelable(false)
-                .setNeutralButton(R.string.read_privacy_policy, (dialog, which) ->
-                        ShareUtils.openUrlInApp(context,
-                                context.getString(R.string.privacy_policy_url)))
-                .setPositiveButton(R.string.accept, (dialog, which) -> {
-                    if (action.equals("EMAIL")) { // send on email
-                        final Intent i = new Intent(Intent.ACTION_SENDTO)
-                                .setData(Uri.parse("mailto:")) // only email apps should handle this
-                                .putExtra(Intent.EXTRA_EMAIL, new String[]{ERROR_EMAIL_ADDRESS})
-                                .putExtra(Intent.EXTRA_SUBJECT, ERROR_EMAIL_SUBJECT
-                                        + getString(R.string.app_name) + " "
-                                        + BuildConfig.VERSION_NAME)
-                                .putExtra(Intent.EXTRA_TEXT, buildJson());
-                        ShareUtils.openIntentInApp(context, i);
-                    } else if (action.equals("GITHUB")) { // open the NewPipe issue page on GitHub
-                        ShareUtils.openUrlInApp(this, ERROR_GITHUB_ISSUE_URL);
-                    }
-                })
-                .setNegativeButton(R.string.decline, null)
-                .show();
-    }
-
-    private String formErrorText(final String[] el) {
-        final String separator = "-------------------------------------";
-        return Arrays.stream(el)
-                .collect(Collectors.joining(separator + "\n", separator + "\n", separator));
-    }
-
-    private void buildInfo(final ErrorInfo info) {
-        String text = "";
-
-        activityErrorBinding.errorInfoLabelsView.setText(getString(R.string.info_labels)
-                .replace("\\n", "\n"));
-
-        text += getUserActionString(info.getUserAction()) + "\n"
-                + info.getRequest() + "\n"
-                + getContentLanguageString() + "\n"
-                + getContentCountryString() + "\n"
-                + getAppLanguage() + "\n"
-                + info.getServiceName() + "\n"
-                + currentTimeStamp + "\n"
-                + getPackageName() + "\n"
-                + BuildConfig.VERSION_NAME + "\n"
-                + getOsString();
-
-        activityErrorBinding.errorInfosView.setText(text);
-    }
-
-    private String buildJson() {
-        try {
-            return JsonWriter.string()
-                    .object()
-                    .value("user_action", getUserActionString(errorInfo.getUserAction()))
-                    .value("request", errorInfo.getRequest())
-                    .value("content_language", getContentLanguageString())
-                    .value("content_country", getContentCountryString())
-                    .value("app_language", getAppLanguage())
-                    .value("service", errorInfo.getServiceName())
-                    .value("package", getPackageName())
-                    .value("version", BuildConfig.VERSION_NAME)
-                    .value("os", getOsString())
-                    .value("time", currentTimeStamp)
-                    .array("exceptions", Arrays.asList(errorInfo.getStackTraces()))
-                    .value("user_comment", activityErrorBinding.errorCommentBox.getText()
-                            .toString())
-                    .end()
-                    .done();
-        } catch (final Throwable e) {
-            Log.e(TAG, "Error while erroring: Could not build json");
-            e.printStackTrace();
-        }
-
-        return "";
-    }
-
-    private String buildMarkdown() {
-        try {
-            final StringBuilder htmlErrorReport = new StringBuilder();
-
-            final String userComment = activityErrorBinding.errorCommentBox.getText().toString();
-            if (!userComment.isEmpty()) {
-                htmlErrorReport.append(userComment).append("\n");
-            }
-
-            // basic error info
-            htmlErrorReport
-                    .append("## Exception")
-                    .append("\n* __User Action:__ ")
-                        .append(getUserActionString(errorInfo.getUserAction()))
-                    .append("\n* __Request:__ ").append(errorInfo.getRequest())
-                    .append("\n* __Content Country:__ ").append(getContentCountryString())
-                    .append("\n* __Content Language:__ ").append(getContentLanguageString())
-                    .append("\n* __App Language:__ ").append(getAppLanguage())
-                    .append("\n* __Service:__ ").append(errorInfo.getServiceName())
-                    .append("\n* __Timestamp:__ ").append(currentTimeStamp)
-                    .append("\n* __Package:__ ").append(getPackageName())
-                    .append("\n* __Service:__ ").append(errorInfo.getServiceName())
-                    .append("\n* __Version:__ ").append(BuildConfig.VERSION_NAME)
-                    .append("\n* __OS:__ ").append(getOsString()).append("\n");
-
-
-            // Collapse all logs to a single paragraph when there are more than one
-            // to keep the GitHub issue clean.
-            if (errorInfo.getStackTraces().length > 1) {
-                htmlErrorReport
-                        .append("<details><summary><b>Exceptions (")
-                        .append(errorInfo.getStackTraces().length)
-                        .append(")</b></summary><p>\n");
-            }
-
-            // add the logs
-            for (int i = 0; i < errorInfo.getStackTraces().length; i++) {
-                htmlErrorReport.append("<details><summary><b>Crash log ");
-                if (errorInfo.getStackTraces().length > 1) {
-                    htmlErrorReport.append(i + 1);
-                }
-                htmlErrorReport.append("</b>")
-                        .append("</summary><p>\n")
-                        .append("\n```\n").append(errorInfo.getStackTraces()[i]).append("\n```\n")
-                        .append("</details>\n");
-            }
-
-            // make sure to close everything
-            if (errorInfo.getStackTraces().length > 1) {
-                htmlErrorReport.append("</p></details>\n");
-            }
-            htmlErrorReport.append("<hr>\n");
-            return htmlErrorReport.toString();
-        } catch (final Throwable e) {
-            Log.e(TAG, "Error while erroring: Could not build markdown");
-            e.printStackTrace();
-            return "";
-        }
-    }
-
-    private String getUserActionString(final UserAction userAction) {
-        if (userAction == null) {
-            return "Your description is in another castle.";
-        } else {
-            return userAction.getMessage();
-        }
-    }
-
-    private String getContentCountryString() {
-        return Localization.getPreferredContentCountry(this).getCountryCode();
-    }
-
-    private String getContentLanguageString() {
-        return Localization.getPreferredLocalization(this).getLocalizationCode();
-    }
-
-    private String getAppLanguage() {
-        return Localization.getAppLocale().toString();
-    }
-
-    private String getOsString() {
-        final String osBase = Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
-                ? Build.VERSION.BASE_OS : "Android";
-        return System.getProperty("os.name")
-                + " " + (osBase.isEmpty() ? "Android" : osBase)
-                + " " + Build.VERSION.RELEASE
-                + " - " + Build.VERSION.SDK_INT;
-    }
-
-    private void addGuruMeditation() {
-        //just an easter egg
-        String text = activityErrorBinding.errorSorryView.getText().toString();
-        text += "\n" + getString(R.string.guru_meditation);
-        activityErrorBinding.errorSorryView.setText(text);
-    }
-}

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

@@ -0,0 +1,281 @@
+/*
+ * SPDX-FileCopyrightText: 2015-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.error
+
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.Bundle
+import android.util.Log
+import android.view.Menu
+import android.view.MenuItem
+import androidx.appcompat.app.AlertDialog
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.IntentCompat
+import androidx.core.net.toUri
+import com.grack.nanojson.JsonWriter
+import java.time.ZonedDateTime
+import java.time.format.DateTimeFormatter
+import org.schabi.newpipe.BuildConfig
+import org.schabi.newpipe.R
+import org.schabi.newpipe.databinding.ActivityErrorBinding
+import org.schabi.newpipe.util.Localization
+import org.schabi.newpipe.util.ThemeHelper
+import org.schabi.newpipe.util.external_communication.ShareUtils
+
+/**
+ * This activity is used to show error details and allow reporting them in various ways.
+ * Use [ErrorUtil.openActivity] to correctly open this activity.
+ */
+class ErrorActivity : AppCompatActivity() {
+    private lateinit var errorInfo: ErrorInfo
+    private lateinit var currentTimeStamp: String
+
+    private lateinit var binding: ActivityErrorBinding
+
+    private val contentCountryString: String
+        get() = Localization.getPreferredContentCountry(this).countryCode
+
+    private val contentLanguageString: String
+        get() = Localization.getPreferredLocalization(this).localizationCode
+
+    private val appLanguage: String
+        get() = Localization.getAppLocale().toString()
+
+    private val osString: String
+        get() {
+            val name = System.getProperty("os.name")!!
+            val osBase = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+                Build.VERSION.BASE_OS.ifEmpty { "Android" }
+            } else {
+                "Android"
+            }
+            return "$name $osBase ${Build.VERSION.RELEASE} - ${Build.VERSION.SDK_INT}"
+        }
+
+    private val errorEmailSubject: String
+        get() = "$ERROR_EMAIL_SUBJECT ${getString(R.string.app_name)} ${BuildConfig.VERSION_NAME}"
+
+    // /////////////////////////////////////////////////////////////////////
+    // Activity lifecycle
+    // /////////////////////////////////////////////////////////////////////
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        ThemeHelper.setDayNightMode(this)
+        ThemeHelper.setTheme(this)
+
+        binding = ActivityErrorBinding.inflate(layoutInflater)
+        setContentView(binding.getRoot())
+
+        setSupportActionBar(binding.toolbarLayout.toolbar)
+        supportActionBar?.apply {
+            setDisplayHomeAsUpEnabled(true)
+            setTitle(R.string.error_report_title)
+            setDisplayShowTitleEnabled(true)
+        }
+
+        errorInfo = IntentCompat.getParcelableExtra(intent, ERROR_INFO, ErrorInfo::class.java)!!
+
+        // important add guru meditation
+        addGuruMeditation()
+        // print current time, as zoned ISO8601 timestamp
+        currentTimeStamp = ZonedDateTime.now().format(DateTimeFormatter.ISO_OFFSET_DATE_TIME)
+
+        binding.errorReportEmailButton.setOnClickListener { _ ->
+            openPrivacyPolicyDialog(this, "EMAIL")
+        }
+
+        binding.errorReportCopyButton.setOnClickListener { _ ->
+            ShareUtils.copyToClipboard(this, buildMarkdown())
+        }
+
+        binding.errorReportGitHubButton.setOnClickListener { _ ->
+            openPrivacyPolicyDialog(this, "GITHUB")
+        }
+
+        // normal bugreport
+        buildInfo(errorInfo)
+        binding.errorMessageView.text = errorInfo.getMessage(this)
+        binding.errorView.text = formErrorText(errorInfo.stackTraces)
+
+        // print stack trace once again for debugging:
+        errorInfo.stackTraces.forEach { Log.e(TAG, it) }
+    }
+
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.error_menu, menu)
+        return true
+    }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        return when (item.itemId) {
+            android.R.id.home -> {
+                onBackPressed()
+                true
+            }
+
+            R.id.menu_item_share_error -> {
+                ShareUtils.shareText(
+                    applicationContext,
+                    getString(R.string.error_report_title),
+                    buildJson()
+                )
+                true
+            }
+
+            else -> false
+        }
+    }
+
+    private fun openPrivacyPolicyDialog(context: Context, action: String) {
+        AlertDialog.Builder(context)
+            .setIcon(android.R.drawable.ic_dialog_alert)
+            .setTitle(R.string.privacy_policy_title)
+            .setMessage(R.string.start_accept_privacy_policy)
+            .setCancelable(false)
+            .setNeutralButton(R.string.read_privacy_policy) { _, _ ->
+                ShareUtils.openUrlInApp(context, context.getString(R.string.privacy_policy_url))
+            }
+            .setPositiveButton(R.string.accept) { _, _ ->
+                if (action == "EMAIL") { // send on email
+                    val intent = Intent(Intent.ACTION_SENDTO)
+                        .setData("mailto:".toUri()) // only email apps should handle this
+                        .putExtra(Intent.EXTRA_EMAIL, arrayOf(ERROR_EMAIL_ADDRESS))
+                        .putExtra(Intent.EXTRA_SUBJECT, errorEmailSubject)
+                        .putExtra(Intent.EXTRA_TEXT, buildJson())
+                    ShareUtils.openIntentInApp(context, intent)
+                } else if (action == "GITHUB") { // open the NewPipe issue page on GitHub
+                    ShareUtils.openUrlInApp(this, ERROR_GITHUB_ISSUE_URL)
+                }
+            }
+            .setNegativeButton(R.string.decline, null)
+            .show()
+    }
+
+    private fun formErrorText(stacktrace: Array<String>): String {
+        val separator = "-------------------------------------"
+        return stacktrace.joinToString(separator + "\n", separator + "\n", separator)
+    }
+
+    private fun buildInfo(info: ErrorInfo) {
+        binding.errorInfoLabelsView.text = getString(R.string.info_labels)
+
+        val text = info.userAction.message + "\n" +
+            info.request + "\n" +
+            contentLanguageString + "\n" +
+            contentCountryString + "\n" +
+            appLanguage + "\n" +
+            info.getServiceName() + "\n" +
+            currentTimeStamp + "\n" +
+            packageName + "\n" +
+            BuildConfig.VERSION_NAME + "\n" +
+            osString
+
+        binding.errorInfosView.text = text
+    }
+
+    private fun buildJson(): String {
+        try {
+            return JsonWriter.string()
+                .`object`()
+                .value("user_action", errorInfo.userAction.message)
+                .value("request", errorInfo.request)
+                .value("content_language", contentLanguageString)
+                .value("content_country", contentCountryString)
+                .value("app_language", appLanguage)
+                .value("service", errorInfo.getServiceName())
+                .value("package", packageName)
+                .value("version", BuildConfig.VERSION_NAME)
+                .value("os", osString)
+                .value("time", currentTimeStamp)
+                .array("exceptions", errorInfo.stackTraces.toList())
+                .value("user_comment", binding.errorCommentBox.getText().toString())
+                .end()
+                .done()
+        } catch (exception: Exception) {
+            Log.e(TAG, "Error while erroring: Could not build json", exception)
+        }
+
+        return ""
+    }
+
+    private fun buildMarkdown(): String {
+        try {
+            return buildString(1024) {
+                val userComment = binding.errorCommentBox.text.toString()
+                if (userComment.isNotEmpty()) {
+                    appendLine(userComment)
+                }
+
+                // basic error info
+                appendLine("## Exception")
+                appendLine("* __User Action:__ ${errorInfo.userAction.message}")
+                appendLine("* __Request:__ ${errorInfo.request}")
+                appendLine("* __Content Country:__ $contentCountryString")
+                appendLine("* __Content Language:__ $contentLanguageString")
+                appendLine("* __App Language:__ $appLanguage")
+                appendLine("* __Service:__ ${errorInfo.getServiceName()}")
+                appendLine("* __Timestamp:__ $currentTimeStamp")
+                appendLine("* __Package:__ $packageName")
+                appendLine("* __Service:__ ${errorInfo.getServiceName()}")
+                appendLine("* __Version:__ ${BuildConfig.VERSION_NAME}")
+                appendLine("* __OS:__ $osString")
+
+                // Collapse all logs to a single paragraph when there are more than one
+                // to keep the GitHub issue clean.
+                if (errorInfo.stackTraces.size > 1) {
+                    append("<details><summary><b>Exceptions (")
+                    append(errorInfo.stackTraces.size)
+                    append(")</b></summary><p>\n")
+                }
+
+                // add the logs
+                errorInfo.stackTraces.forEachIndexed { index, stacktrace ->
+                    append("<details><summary><b>Crash log ")
+                    if (errorInfo.stackTraces.size > 1) {
+                        append(index + 1)
+                    }
+                    append("</b>")
+                    append("</summary><p>\n")
+                    append("\n```\n${stacktrace}\n```\n")
+                    append("</details>\n")
+                }
+
+                // make sure to close everything
+                if (errorInfo.stackTraces.size > 1) {
+                    append("</p></details>\n")
+                }
+
+                append("<hr>\n")
+            }
+        } catch (exception: Exception) {
+            Log.e(TAG, "Error while erroring: Could not build markdown", exception)
+            return ""
+        }
+    }
+
+    private fun addGuruMeditation() {
+        // just an easter egg
+        var text = binding.errorSorryView.text.toString()
+        text += "\n" + getString(R.string.guru_meditation)
+        binding.errorSorryView.text = text
+    }
+
+    companion object {
+        // LOG TAGS
+        private val TAG = ErrorActivity::class.java.toString()
+
+        // BUNDLE TAGS
+        const val ERROR_INFO = "error_info"
+
+        private const val ERROR_EMAIL_ADDRESS = "crashreport@newpipe.schabi.org"
+        private const val ERROR_EMAIL_SUBJECT = "Exception in "
+
+        private const val ERROR_GITHUB_ISSUE_URL = "https://github.com/TeamNewPipe/NewPipe/issues"
+    }
+}

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

@@ -134,8 +134,11 @@ class ErrorUtil {
                         )
                     )
 
-            NotificationManagerCompat.from(context)
-                .notify(ERROR_REPORT_NOTIFICATION_ID, notificationBuilder.build())
+            val notificationManager = NotificationManagerCompat.from(context)
+            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") // saveCookiesAndFinish method handles back navigation
     public void onBackPressed() {
         saveCookiesAndFinish();
     }

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

@@ -118,7 +118,7 @@ import org.schabi.newpipe.util.StreamTypeUtil;
 import org.schabi.newpipe.util.ThemeHelper;
 import org.schabi.newpipe.util.external_communication.KoreUtils;
 import org.schabi.newpipe.util.external_communication.ShareUtils;
-import org.schabi.newpipe.util.image.PicassoHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 
 import java.util.ArrayList;
 import java.util.Iterator;
@@ -129,6 +129,7 @@ import java.util.Optional;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
 
+import coil3.util.CoilUtils;
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
 import io.reactivex.rxjava3.disposables.CompositeDisposable;
 import io.reactivex.rxjava3.disposables.Disposable;
@@ -160,8 +161,6 @@ public final class VideoDetailFragment
     private static final String DESCRIPTION_TAB_TAG = "DESCRIPTION TAB";
     private static final String EMPTY_TAB_TAG = "EMPTY TAB";
 
-    private static final String PICASSO_VIDEO_DETAILS_TAG = "PICASSO_VIDEO_DETAILS_TAG";
-
     // tabs
     private boolean showComments;
     private boolean showRelatedItems;
@@ -646,6 +645,12 @@ public final class VideoDetailFragment
     protected void initListeners() {
         super.initListeners();
 
+        // Workaround for #5600
+        // Forcefully catch click events uncaught by children because otherwise
+        // they will be caught by underlying view and "click through" will happen
+        binding.getRoot().setOnClickListener(v -> { });
+        binding.getRoot().setOnLongClickListener(v -> true);
+
         setOnClickListeners();
         setOnLongClickListeners();
 
@@ -1493,7 +1498,10 @@ public final class VideoDetailFragment
             }
         }
 
-        PicassoHelper.cancelTag(PICASSO_VIDEO_DETAILS_TAG);
+        CoilUtils.dispose(binding.detailThumbnailImageView);
+        CoilUtils.dispose(binding.detailSubChannelThumbnailView);
+        CoilUtils.dispose(binding.overlayThumbnail);
+        CoilUtils.dispose(binding.detailUploaderThumbnailView);
         binding.detailThumbnailImageView.setImageBitmap(null);
         binding.detailSubChannelThumbnailView.setImageBitmap(null);
     }
@@ -1584,8 +1592,8 @@ public final class VideoDetailFragment
         binding.detailSecondaryControlPanel.setVisibility(View.GONE);
 
         checkUpdateProgressInfo(info);
-        PicassoHelper.loadDetailsThumbnail(info.getThumbnails()).tag(PICASSO_VIDEO_DETAILS_TAG)
-                .into(binding.detailThumbnailImageView);
+        CoilHelper.INSTANCE.loadDetailsThumbnail(binding.detailThumbnailImageView,
+                info.getThumbnails());
         showMetaInfoInTextView(info.getMetaInfo(), binding.detailMetaInfoTextView,
                 binding.detailMetaInfoSeparator, disposables);
 
@@ -1635,8 +1643,8 @@ public final class VideoDetailFragment
             binding.detailUploaderTextView.setVisibility(View.GONE);
         }
 
-        PicassoHelper.loadAvatar(info.getUploaderAvatars()).tag(PICASSO_VIDEO_DETAILS_TAG)
-                .into(binding.detailSubChannelThumbnailView);
+        CoilHelper.INSTANCE.loadAvatar(binding.detailSubChannelThumbnailView,
+                info.getUploaderAvatars());
         binding.detailSubChannelThumbnailView.setVisibility(View.VISIBLE);
         binding.detailUploaderThumbnailView.setVisibility(View.GONE);
     }
@@ -1667,11 +1675,11 @@ public final class VideoDetailFragment
             binding.detailUploaderTextView.setVisibility(View.GONE);
         }
 
-        PicassoHelper.loadAvatar(info.getSubChannelAvatars()).tag(PICASSO_VIDEO_DETAILS_TAG)
-                .into(binding.detailSubChannelThumbnailView);
+        CoilHelper.INSTANCE.loadAvatar(binding.detailSubChannelThumbnailView,
+                info.getSubChannelAvatars());
         binding.detailSubChannelThumbnailView.setVisibility(View.VISIBLE);
-        PicassoHelper.loadAvatar(info.getUploaderAvatars()).tag(PICASSO_VIDEO_DETAILS_TAG)
-                .into(binding.detailUploaderThumbnailView);
+        CoilHelper.INSTANCE.loadAvatar(binding.detailUploaderThumbnailView,
+                info.getUploaderAvatars());
         binding.detailUploaderThumbnailView.setVisibility(View.VISIBLE);
     }
 
@@ -1899,7 +1907,11 @@ public final class VideoDetailFragment
         }
 
         if (binding.relatedItemsLayout != null) {
-            binding.relatedItemsLayout.setVisibility(fullscreen ? View.GONE : View.VISIBLE);
+            if (showRelatedItems) {
+                binding.relatedItemsLayout.setVisibility(fullscreen ? View.GONE : View.VISIBLE);
+            } else {
+                binding.relatedItemsLayout.setVisibility(View.GONE);
+            }
         }
         scrollToTop();
 
@@ -2429,8 +2441,7 @@ public final class VideoDetailFragment
         binding.overlayTitleTextView.setText(isEmpty(overlayTitle) ? "" : overlayTitle);
         binding.overlayChannelTextView.setText(isEmpty(uploader) ? "" : uploader);
         binding.overlayThumbnail.setImageDrawable(null);
-        PicassoHelper.loadDetailsThumbnail(thumbnails).tag(PICASSO_VIDEO_DETAILS_TAG)
-                .into(binding.overlayThumbnail);
+        CoilHelper.INSTANCE.loadDetailsThumbnail(binding.overlayThumbnail, thumbnails);
     }
 
     private void setOverlayPlayPauseImage(final boolean playerIsPlaying) {

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

@@ -53,13 +53,14 @@ import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.StateSaver;
 import org.schabi.newpipe.util.ThemeHelper;
 import org.schabi.newpipe.util.external_communication.ShareUtils;
+import org.schabi.newpipe.util.image.CoilHelper;
 import org.schabi.newpipe.util.image.ImageStrategy;
-import org.schabi.newpipe.util.image.PicassoHelper;
 
 import java.util.List;
 import java.util.Queue;
 import java.util.concurrent.TimeUnit;
 
+import coil3.util.CoilUtils;
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
 import io.reactivex.rxjava3.core.Observable;
 import io.reactivex.rxjava3.disposables.CompositeDisposable;
@@ -73,7 +74,6 @@ public class ChannelFragment extends BaseStateFragment<ChannelInfo>
         implements StateSaver.WriteRead {
 
     private static final int BUTTON_DEBOUNCE_INTERVAL = 100;
-    private static final String PICASSO_CHANNEL_TAG = "PICASSO_CHANNEL_TAG";
 
     @State
     protected int serviceId = Constants.NO_SERVICE_ID;
@@ -160,34 +160,29 @@ public class ChannelFragment extends BaseStateFragment<ChannelInfo>
 
                 @Override
                 public boolean onMenuItemSelected(@NonNull final MenuItem item) {
-                    switch (item.getItemId()) {
-                        case R.id.menu_item_notify:
-                            final boolean value = !item.isChecked();
-                            item.setEnabled(false);
-                            setNotify(value);
-                            break;
-                        case R.id.action_settings:
-                            NavigationHelper.openSettings(requireContext());
-                            break;
-                        case R.id.menu_item_rss:
-                            if (currentInfo != null) {
-                                ShareUtils.openUrlInApp(requireContext(), currentInfo.getFeedUrl());
-                            }
-                            break;
-                        case R.id.menu_item_openInBrowser:
-                            if (currentInfo != null) {
-                                ShareUtils.openUrlInBrowser(requireContext(),
-                                        currentInfo.getOriginalUrl());
-                            }
-                            break;
-                        case R.id.menu_item_share:
-                            if (currentInfo != null) {
-                                ShareUtils.shareText(requireContext(), name,
-                                        currentInfo.getOriginalUrl(), currentInfo.getAvatars());
-                            }
-                            break;
-                        default:
-                            return false;
+                    final int itemId = item.getItemId();
+                    if (itemId == R.id.menu_item_notify) {
+                        final boolean value = !item.isChecked();
+                        item.setEnabled(false);
+                        setNotify(value);
+                    } else if (itemId == R.id.action_settings) {
+                        NavigationHelper.openSettings(requireContext());
+                    } else if (itemId == R.id.menu_item_rss) {
+                        if (currentInfo != null) {
+                            ShareUtils.openUrlInApp(requireContext(), currentInfo.getFeedUrl());
+                        }
+                    } else if (itemId == R.id.menu_item_openInBrowser) {
+                        if (currentInfo != null) {
+                            ShareUtils.openUrlInBrowser(requireContext(),
+                                    currentInfo.getOriginalUrl());
+                        }
+                    } else if (itemId == R.id.menu_item_share) {
+                        if (currentInfo != null) {
+                            ShareUtils.shareText(requireContext(), name,
+                                    currentInfo.getOriginalUrl(), currentInfo.getAvatars());
+                        }
+                    } else {
+                        return false;
                     }
                     return true;
                 }
@@ -583,7 +578,9 @@ public class ChannelFragment extends BaseStateFragment<ChannelInfo>
     @Override
     public void showLoading() {
         super.showLoading();
-        PicassoHelper.cancelTag(PICASSO_CHANNEL_TAG);
+        CoilUtils.dispose(binding.channelAvatarView);
+        CoilUtils.dispose(binding.channelBannerImage);
+        CoilUtils.dispose(binding.subChannelAvatarView);
         animate(binding.channelSubscribeButton, false, 100);
     }
 
@@ -594,17 +591,15 @@ public class ChannelFragment extends BaseStateFragment<ChannelInfo>
         setInitialData(result.getServiceId(), result.getOriginalUrl(), result.getName());
 
         if (ImageStrategy.shouldLoadImages() && !result.getBanners().isEmpty()) {
-            PicassoHelper.loadBanner(result.getBanners()).tag(PICASSO_CHANNEL_TAG)
-                    .into(binding.channelBannerImage);
+            CoilHelper.INSTANCE.loadBanner(binding.channelBannerImage, result.getBanners());
         } else {
             // do not waste space for the banner, if the user disabled images or there is not one
             binding.channelBannerImage.setImageDrawable(null);
         }
 
-        PicassoHelper.loadAvatar(result.getAvatars()).tag(PICASSO_CHANNEL_TAG)
-                .into(binding.channelAvatarView);
-        PicassoHelper.loadAvatar(result.getParentChannelAvatars()).tag(PICASSO_CHANNEL_TAG)
-                .into(binding.subChannelAvatarView);
+        CoilHelper.INSTANCE.loadAvatar(binding.channelAvatarView, result.getAvatars());
+        CoilHelper.INSTANCE.loadAvatar(binding.subChannelAvatarView,
+                result.getParentChannelAvatars());
 
         binding.channelTitleView.setText(result.getName());
         binding.channelSubscriberView.setVisibility(View.VISIBLE);

app/src/main/java/org/schabi/newpipe/fragments/list/comments/CommentRepliesFragment.java

@@ -25,8 +25,8 @@ import org.schabi.newpipe.util.DeviceUtils;
 import org.schabi.newpipe.util.ExtractorHelper;
 import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.NavigationHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 import org.schabi.newpipe.util.image.ImageStrategy;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.text.TextLinkifier;
 import org.schabi.newpipe.util.text.LongPressLinkMovementMethod;
 
@@ -84,7 +84,7 @@ public final class CommentRepliesFragment
             final CommentsInfoItem item = commentsInfoItem;
 
             // load the author avatar
-            PicassoHelper.loadAvatar(item.getUploaderAvatars()).into(binding.authorAvatar);
+            CoilHelper.INSTANCE.loadAvatar(binding.authorAvatar, item.getUploaderAvatars());
             binding.authorAvatar.setVisibility(ImageStrategy.shouldLoadImages()
                     ? View.VISIBLE : View.GONE);
 

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

@@ -53,7 +53,7 @@ import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.PlayButtonHelper;
 import org.schabi.newpipe.util.external_communication.ShareUtils;
-import org.schabi.newpipe.util.image.PicassoHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 import org.schabi.newpipe.util.text.TextEllipsizer;
 
 import java.util.ArrayList;
@@ -62,6 +62,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Supplier;
 import java.util.stream.Collectors;
 
+import coil3.util.CoilUtils;
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
 import io.reactivex.rxjava3.core.Flowable;
 import io.reactivex.rxjava3.core.Single;
@@ -71,8 +72,6 @@ import io.reactivex.rxjava3.disposables.Disposable;
 public class PlaylistFragment extends BaseListInfoFragment<StreamInfoItem, PlaylistInfo>
         implements PlaylistControlViewHolder {
 
-    private static final String PICASSO_PLAYLIST_TAG = "PICASSO_PLAYLIST_TAG";
-
     private CompositeDisposable disposables;
     private Subscription bookmarkReactor;
     private AtomicBoolean isBookmarkButtonReady;
@@ -232,35 +231,30 @@ public class PlaylistFragment extends BaseListInfoFragment<StreamInfoItem, Playl
 
     @Override
     public boolean onOptionsItemSelected(final MenuItem item) {
-        switch (item.getItemId()) {
-            case R.id.action_settings:
-                NavigationHelper.openSettings(requireContext());
-                break;
-            case R.id.menu_item_openInBrowser:
-                ShareUtils.openUrlInBrowser(requireContext(), url);
-                break;
-            case R.id.menu_item_share:
-                ShareUtils.shareText(requireContext(), name, url,
-                        currentInfo == null ? List.of() : currentInfo.getThumbnails());
-                break;
-            case R.id.menu_item_bookmark:
-                onBookmarkClicked();
-                break;
-            case R.id.menu_item_append_playlist:
-                if (currentInfo != null) {
-                    disposables.add(PlaylistDialog.createCorrespondingDialog(
-                            getContext(),
-                            getPlayQueue()
-                                    .getStreams()
-                                    .stream()
-                                    .map(StreamEntity::new)
-                                    .collect(Collectors.toList()),
-                            dialog -> dialog.show(getFM(), TAG)
-                    ));
-                }
-                break;
-            default:
-                return super.onOptionsItemSelected(item);
+        final int itemId = item.getItemId();
+        if (itemId == R.id.action_settings) {
+            NavigationHelper.openSettings(requireContext());
+        } else if (itemId == R.id.menu_item_openInBrowser) {
+            ShareUtils.openUrlInBrowser(requireContext(), url);
+        } else if (itemId == R.id.menu_item_share) {
+            ShareUtils.shareText(requireContext(), name, url,
+                    currentInfo == null ? List.of() : currentInfo.getThumbnails());
+        } else if (itemId == R.id.menu_item_bookmark) {
+            onBookmarkClicked();
+        } else if (itemId == R.id.menu_item_append_playlist) {
+            if (currentInfo != null) {
+                disposables.add(PlaylistDialog.createCorrespondingDialog(
+                        getContext(),
+                        getPlayQueue()
+                                .getStreams()
+                                .stream()
+                                .map(StreamEntity::new)
+                                .collect(Collectors.toList()),
+                        dialog -> dialog.show(getFM(), TAG)
+                ));
+            }
+        } else {
+            return super.onOptionsItemSelected(item);
         }
         return true;
     }
@@ -276,7 +270,7 @@ public class PlaylistFragment extends BaseListInfoFragment<StreamInfoItem, Playl
         animate(headerBinding.getRoot(), false, 200);
         animateHideRecyclerViewAllowingScrolling(itemsList);
 
-        PicassoHelper.cancelTag(PICASSO_PLAYLIST_TAG);
+        CoilUtils.dispose(headerBinding.uploaderAvatarView);
         animate(headerBinding.uploaderLayout, false, 200);
     }
 
@@ -327,8 +321,8 @@ public class PlaylistFragment extends BaseListInfoFragment<StreamInfoItem, Playl
                     R.drawable.ic_radio)
             );
         } else {
-            PicassoHelper.loadAvatar(result.getUploaderAvatars()).tag(PICASSO_PLAYLIST_TAG)
-                    .into(headerBinding.uploaderAvatarView);
+            CoilHelper.INSTANCE.loadAvatar(headerBinding.uploaderAvatarView,
+                    result.getUploaderAvatars());
         }
 
         streamCount = result.getStreamCount();

app/src/main/java/org/schabi/newpipe/fragments/list/search/SearchFragment.java

@@ -1009,7 +1009,11 @@ public class SearchFragment extends BaseListFragment<SearchInfo, ListExtractor.I
             Log.d(TAG, "handleSuggestions() called with: suggestions = [" + suggestions + "]");
         }
         suggestionListAdapter.submitList(suggestions,
-                () -> searchBinding.suggestionsList.scrollToPosition(0));
+                () -> {
+                    if (searchBinding != null) {
+                        searchBinding.suggestionsList.scrollToPosition(0);
+                    }
+                });
 
         if (suggestionsPanelVisible && isErrorPanelVisible()) {
             hideLoading();

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/StreamSegmentItem.kt

@@ -1,19 +1,18 @@
 package org.schabi.newpipe.info_list
 
 import android.view.View
-import android.widget.ImageView
-import android.widget.TextView
-import com.xwray.groupie.GroupieViewHolder
-import com.xwray.groupie.Item
+import com.xwray.groupie.viewbinding.BindableItem
+import com.xwray.groupie.viewbinding.GroupieViewHolder
 import org.schabi.newpipe.R
+import org.schabi.newpipe.databinding.ItemStreamSegmentBinding
 import org.schabi.newpipe.extractor.stream.StreamSegment
 import org.schabi.newpipe.util.Localization
-import org.schabi.newpipe.util.image.PicassoHelper
+import org.schabi.newpipe.util.image.CoilHelper
 
 class StreamSegmentItem(
     private val item: StreamSegment,
     private val onClick: StreamSegmentAdapter.StreamSegmentListener
-) : Item<GroupieViewHolder>() {
+) : BindableItem<ItemStreamSegmentBinding>() {
 
     companion object {
         const val PAYLOAD_SELECT = 1
@@ -21,34 +20,35 @@ class StreamSegmentItem(
 
     var isSelected = false
 
-    override fun bind(viewHolder: GroupieViewHolder, position: Int) {
-        item.previewUrl?.let {
-            PicassoHelper.loadThumbnail(it)
-                .into(viewHolder.root.findViewById<ImageView>(R.id.previewImage))
-        }
-        viewHolder.root.findViewById<TextView>(R.id.textViewTitle).text = item.title
+    override fun bind(viewBinding: ItemStreamSegmentBinding, position: Int) {
+        CoilHelper.loadThumbnail(viewBinding.previewImage, item.previewUrl)
+        viewBinding.textViewTitle.text = item.title
         if (item.channelName == null) {
-            viewHolder.root.findViewById<TextView>(R.id.textViewChannel).visibility = View.GONE
+            viewBinding.textViewChannel.visibility = View.GONE
             // When the channel name is displayed there is less space
             // and thus the segment title needs to be only one line height.
             // But when there is no channel name displayed, the title can be two lines long.
             // The default maxLines value is set to 1 to display all elements in the AS preview,
-            viewHolder.root.findViewById<TextView>(R.id.textViewTitle).maxLines = 2
+            viewBinding.textViewTitle.maxLines = 2
         } else {
-            viewHolder.root.findViewById<TextView>(R.id.textViewChannel).text = item.channelName
-            viewHolder.root.findViewById<TextView>(R.id.textViewChannel).visibility = View.VISIBLE
+            viewBinding.textViewChannel.text = item.channelName
+            viewBinding.textViewChannel.visibility = View.VISIBLE
         }
-        viewHolder.root.findViewById<TextView>(R.id.textViewStartSeconds).text =
+        viewBinding.textViewStartSeconds.text =
             Localization.getDurationString(item.startTimeSeconds.toLong())
-        viewHolder.root.setOnClickListener { onClick.onItemClick(this, item.startTimeSeconds) }
-        viewHolder.root.setOnLongClickListener {
+        viewBinding.root.setOnClickListener { onClick.onItemClick(this, item.startTimeSeconds) }
+        viewBinding.root.setOnLongClickListener {
             onClick.onItemLongClick(this, item.startTimeSeconds)
             true
         }
-        viewHolder.root.isSelected = isSelected
+        viewBinding.root.isSelected = isSelected
     }
 
-    override fun bind(viewHolder: GroupieViewHolder, position: Int, payloads: MutableList<Any>) {
+    override fun bind(
+        viewHolder: GroupieViewHolder<ItemStreamSegmentBinding>,
+        position: Int,
+        payloads: MutableList<Any>
+    ) {
         if (payloads.contains(PAYLOAD_SELECT)) {
             viewHolder.root.isSelected = isSelected
             return
@@ -57,4 +57,6 @@ class StreamSegmentItem(
     }
 
     override fun getLayout() = R.layout.item_stream_segment
+
+    override fun initializeViewBinding(view: View) = ItemStreamSegmentBinding.bind(view)
 }

app/src/main/java/org/schabi/newpipe/info_list/dialog/InfoItemDialog.java

@@ -346,7 +346,7 @@ public final class InfoItemDialog {
 
         public static void reportErrorDuringInitialization(final Throwable throwable,
                                                            final InfoItem item) {
-            ErrorUtil.showSnackbar(App.getApp().getBaseContext(), new ErrorInfo(
+            ErrorUtil.showSnackbar(App.getInstance().getBaseContext(), new ErrorInfo(
                     throwable,
                     UserAction.OPEN_INFO_ITEM_DIALOG,
                     "none",

app/src/main/java/org/schabi/newpipe/info_list/holder/ChannelMiniInfoItemHolder.java

@@ -13,8 +13,8 @@ import org.schabi.newpipe.extractor.channel.ChannelInfoItem;
 import org.schabi.newpipe.extractor.utils.Utils;
 import org.schabi.newpipe.info_list.InfoItemBuilder;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.Localization;
+import org.schabi.newpipe.util.image.CoilHelper;
 
 public class ChannelMiniInfoItemHolder extends InfoItemHolder {
     private final ImageView itemThumbnailView;
@@ -56,7 +56,7 @@ public class ChannelMiniInfoItemHolder extends InfoItemHolder {
             itemAdditionalDetailView.setText(getDetailLine(item));
         }
 
-        PicassoHelper.loadAvatar(item.getThumbnails()).into(itemThumbnailView);
+        CoilHelper.INSTANCE.loadAvatar(itemThumbnailView, item.getThumbnails());
 
         itemView.setOnClickListener(view -> {
             if (itemBuilder.getOnChannelSelectedListener() != null) {

app/src/main/java/org/schabi/newpipe/info_list/holder/CommentInfoItemHolder.java

@@ -27,8 +27,8 @@ import org.schabi.newpipe.util.DeviceUtils;
 import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.external_communication.ShareUtils;
+import org.schabi.newpipe.util.image.CoilHelper;
 import org.schabi.newpipe.util.image.ImageStrategy;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.text.TextEllipsizer;
 
 public class CommentInfoItemHolder extends InfoItemHolder {
@@ -82,14 +82,12 @@ public class CommentInfoItemHolder extends InfoItemHolder {
     @Override
     public void updateFromItem(final InfoItem infoItem,
                                final HistoryRecordManager historyRecordManager) {
-        if (!(infoItem instanceof CommentsInfoItem)) {
+        if (!(infoItem instanceof CommentsInfoItem item)) {
             return;
         }
-        final CommentsInfoItem item = (CommentsInfoItem) infoItem;
-
 
         // load the author avatar
-        PicassoHelper.loadAvatar(item.getUploaderAvatars()).into(itemThumbnailView);
+        CoilHelper.INSTANCE.loadAvatar(itemThumbnailView, item.getUploaderAvatars());
         if (ImageStrategy.shouldLoadImages()) {
             itemThumbnailView.setVisibility(View.VISIBLE);
             itemRoot.setPadding(commentVerticalPadding, commentVerticalPadding,

app/src/main/java/org/schabi/newpipe/info_list/holder/PlaylistMiniInfoItemHolder.java

@@ -9,8 +9,8 @@ import org.schabi.newpipe.extractor.InfoItem;
 import org.schabi.newpipe.extractor.playlist.PlaylistInfoItem;
 import org.schabi.newpipe.info_list.InfoItemBuilder;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.Localization;
+import org.schabi.newpipe.util.image.CoilHelper;
 
 public class PlaylistMiniInfoItemHolder extends InfoItemHolder {
     public final ImageView itemThumbnailView;
@@ -46,7 +46,7 @@ public class PlaylistMiniInfoItemHolder extends InfoItemHolder {
                 .localizeStreamCountMini(itemStreamCountView.getContext(), item.getStreamCount()));
         itemUploaderView.setText(item.getUploaderName());
 
-        PicassoHelper.loadPlaylistThumbnail(item.getThumbnails()).into(itemThumbnailView);
+        CoilHelper.INSTANCE.loadPlaylistThumbnail(itemThumbnailView, item.getThumbnails());
 
         itemView.setOnClickListener(view -> {
             if (itemBuilder.getOnPlaylistSelectedListener() != null) {

app/src/main/java/org/schabi/newpipe/info_list/holder/StreamMiniInfoItemHolder.java

@@ -16,8 +16,8 @@ import org.schabi.newpipe.ktx.ViewUtils;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
 import org.schabi.newpipe.util.DependentPreferenceHelper;
 import org.schabi.newpipe.util.Localization;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.StreamTypeUtil;
+import org.schabi.newpipe.util.image.CoilHelper;
 import org.schabi.newpipe.views.AnimatedProgressBar;
 
 import java.util.concurrent.TimeUnit;
@@ -87,7 +87,7 @@ public class StreamMiniInfoItemHolder extends InfoItemHolder {
         }
 
         // Default thumbnail is shown on error, while loading and if the url is empty
-        PicassoHelper.loadThumbnail(item.getThumbnails()).into(itemThumbnailView);
+        CoilHelper.INSTANCE.loadThumbnail(itemThumbnailView, item.getThumbnails());
 
         itemView.setOnClickListener(view -> {
             if (itemBuilder.getOnStreamSelectedListener() != null) {

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

@@ -0,0 +1,13 @@
+package org.schabi.newpipe.ktx
+
+import android.graphics.Bitmap
+import android.graphics.Rect
+import androidx.core.graphics.BitmapCompat
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun Bitmap.scale(
+    width: Int,
+    height: Int,
+    srcRect: Rect? = null,
+    scaleInLinearSpace: Boolean = true
+) = BitmapCompat.createScaledBitmap(this, width, height, srcRect, scaleInLinearSpace)

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

@@ -255,7 +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

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

@@ -129,8 +129,7 @@ class FeedViewModel(
     fun setSaveShowPlayedItems(showPlayedItems: Boolean) {
         this.showPlayedItems.onNext(showPlayedItems)
         PreferenceManager.getDefaultSharedPreferences(application).edit {
-            this.putBoolean(application.getString(R.string.feed_show_watched_items_key), showPlayedItems)
-            this.apply()
+            putBoolean(application.getString(R.string.feed_show_watched_items_key), showPlayedItems)
         }
     }
 
@@ -139,8 +138,7 @@ class FeedViewModel(
     fun setSaveShowPartiallyPlayedItems(showPartiallyPlayedItems: Boolean) {
         this.showPartiallyPlayedItems.onNext(showPartiallyPlayedItems)
         PreferenceManager.getDefaultSharedPreferences(application).edit {
-            this.putBoolean(application.getString(R.string.feed_show_partially_watched_items_key), showPartiallyPlayedItems)
-            this.apply()
+            putBoolean(application.getString(R.string.feed_show_partially_watched_items_key), showPartiallyPlayedItems)
         }
     }
 
@@ -149,8 +147,7 @@ class FeedViewModel(
     fun setSaveShowFutureItems(showFutureItems: Boolean) {
         this.showFutureItems.onNext(showFutureItems)
         PreferenceManager.getDefaultSharedPreferences(application).edit {
-            this.putBoolean(application.getString(R.string.feed_show_future_items_key), showFutureItems)
-            this.apply()
+            putBoolean(application.getString(R.string.feed_show_future_items_key), showFutureItems)
         }
     }
 
@@ -169,7 +166,7 @@ class FeedViewModel(
         fun getFactory(context: Context, groupId: Long) = viewModelFactory {
             initializer {
                 FeedViewModel(
-                    App.getApp(),
+                    App.instance,
                     groupId,
                     // Read initial value from preferences
                     getShowPlayedItemsFromPreferences(context.applicationContext),

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

@@ -21,7 +21,7 @@ import org.schabi.newpipe.extractor.stream.StreamType.POST_LIVE_STREAM
 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 org.schabi.newpipe.util.image.CoilHelper
 
 data class StreamItem(
     val streamWithState: StreamWithState,
@@ -101,7 +101,7 @@ data class StreamItem(
             viewBinding.itemProgressView.visibility = View.GONE
         }
 
-        PicassoHelper.loadThumbnail(stream.thumbnailUrl).into(viewBinding.itemThumbnailView)
+        CoilHelper.loadThumbnail(viewBinding.itemThumbnailView, stream.thumbnailUrl)
 
         if (itemVersion != ItemVersion.MINI) {
             viewBinding.itemAdditionalDetails.text =

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

@@ -6,7 +6,6 @@ import android.app.PendingIntent
 import android.content.Context
 import android.content.Intent
 import android.graphics.Bitmap
-import android.graphics.drawable.Drawable
 import android.net.Uri
 import android.os.Build
 import android.provider.Settings
@@ -17,20 +16,17 @@ 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
 import org.schabi.newpipe.R
 import org.schabi.newpipe.extractor.stream.StreamInfoItem
 import org.schabi.newpipe.local.feed.service.FeedUpdateInfo
 import org.schabi.newpipe.util.NavigationHelper
-import org.schabi.newpipe.util.image.PicassoHelper
+import org.schabi.newpipe.util.image.CoilHelper
 
 /**
  * Helper for everything related to show notifications about new streams to the user.
  */
 class NotificationHelper(val context: Context) {
     private val manager = NotificationManagerCompat.from(context)
-    private val iconLoadingTargets = ArrayList<Target>()
 
     /**
      * Show notifications for new streams from a single channel. The individual notifications are
@@ -71,69 +67,42 @@ class NotificationHelper(val context: Context) {
         summaryBuilder.setStyle(style)
 
         // open the channel page when clicking on the summary notification
+        val intent = NavigationHelper
+            .getChannelIntent(context, data.serviceId, data.url)
+            .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
         summaryBuilder.setContentIntent(
-            PendingIntentCompat.getActivity(
-                context,
-                data.pseudoId,
-                NavigationHelper
-                    .getChannelIntent(context, data.serviceId, data.url)
-                    .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK),
-                0,
-                false
-            )
+            PendingIntentCompat.getActivity(context, data.pseudoId, intent, 0, false)
         )
 
-        // a Target is like a listener for image loading events
-        val target = object : Target {
-            override fun onBitmapLoaded(bitmap: Bitmap, from: Picasso.LoadedFrom) {
-                // set channel icon only if there is actually one (for Android versions < 7.0)
-                summaryBuilder.setLargeIcon(bitmap)
+        val avatarIcon =
+            CoilHelper.loadBitmapBlocking(context, data.avatarUrl, R.drawable.ic_newpipe_triangle_white)
+        summaryBuilder.setLargeIcon(avatarIcon)
 
-                // Show individual stream notifications, set channel icon only if there is actually
-                // one
-                showStreamNotifications(newStreams, data.serviceId, data.url, bitmap)
-                // Show summary notification
-                manager.notify(data.pseudoId, summaryBuilder.build())
-
-                iconLoadingTargets.remove(this) // allow it to be garbage-collected
-            }
-
-            override fun onBitmapFailed(e: Exception, errorDrawable: Drawable) {
-                // Show individual stream notifications
-                showStreamNotifications(newStreams, data.serviceId, data.url, null)
-                // Show summary notification
-                manager.notify(data.pseudoId, summaryBuilder.build())
-                iconLoadingTargets.remove(this) // allow it to be garbage-collected
-            }
-
-            override fun onPrepareLoad(placeHolderDrawable: Drawable) {
-                // Nothing to do
-            }
+        // Show individual stream notifications, set channel icon only if there is actually one
+        showStreamNotifications(newStreams, data.serviceId, avatarIcon)
+        // Show summary notification
+        if (manager.areNotificationsEnabled()) {
+            manager.notify(data.pseudoId, summaryBuilder.build())
         }
-
-        // add the target to the list to hold a strong reference and prevent it from being garbage
-        // collected, since Picasso only holds weak references to targets
-        iconLoadingTargets.add(target)
-
-        PicassoHelper.loadNotificationIcon(data.avatarUrl).into(target)
     }
 
     private fun showStreamNotifications(
         newStreams: List<StreamInfoItem>,
         serviceId: Int,
-        channelUrl: String,
         channelIcon: Bitmap?
     ) {
-        for (stream in newStreams) {
-            val notification = createStreamNotification(stream, serviceId, channelUrl, channelIcon)
-            manager.notify(stream.url.hashCode(), notification)
+        if (manager.areNotificationsEnabled()) {
+            newStreams.forEach { stream ->
+                val notification =
+                    createStreamNotification(stream, serviceId, channelIcon)
+                manager.notify(stream.url.hashCode(), notification)
+            }
         }
     }
 
     private fun createStreamNotification(
         item: StreamInfoItem,
         serviceId: Int,
-        channelUrl: String,
         channelIcon: Bitmap?
     ): Notification {
         return NotificationCompat.Builder(
@@ -144,7 +113,7 @@ class NotificationHelper(val context: Context) {
             .setLargeIcon(channelIcon)
             .setContentTitle(item.name)
             .setContentText(item.uploaderName)
-            .setGroup(channelUrl)
+            .setGroup(item.uploaderUrl)
             .setColor(ContextCompat.getColor(context, R.color.ic_launcher_background))
             .setColorized(true)
             .setAutoCancel(true)

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

@@ -111,7 +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

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

@@ -185,7 +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/holder/LocalPlaylistItemHolder.java

@@ -8,8 +8,8 @@ import org.schabi.newpipe.database.playlist.PlaylistDuplicatesEntry;
 import org.schabi.newpipe.database.playlist.PlaylistMetadataEntry;
 import org.schabi.newpipe.local.LocalItemBuilder;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.Localization;
+import org.schabi.newpipe.util.image.CoilHelper;
 
 import java.time.format.DateTimeFormatter;
 
@@ -30,17 +30,16 @@ public class LocalPlaylistItemHolder extends PlaylistItemHolder {
     public void updateFromItem(final LocalItem localItem,
                                final HistoryRecordManager historyRecordManager,
                                final DateTimeFormatter dateTimeFormatter) {
-        if (!(localItem instanceof PlaylistMetadataEntry)) {
+        if (!(localItem instanceof PlaylistMetadataEntry item)) {
             return;
         }
-        final PlaylistMetadataEntry item = (PlaylistMetadataEntry) localItem;
 
         itemTitleView.setText(item.getOrderingName());
         itemStreamCountView.setText(Localization.localizeStreamCountMini(
                 itemStreamCountView.getContext(), item.getStreamCount()));
         itemUploaderView.setVisibility(View.INVISIBLE);
 
-        PicassoHelper.loadPlaylistThumbnail(item.getThumbnailUrl()).into(itemThumbnailView);
+        CoilHelper.INSTANCE.loadPlaylistThumbnail(itemThumbnailView, item.getThumbnailUrl());
 
         if (item instanceof PlaylistDuplicatesEntry
                 && ((PlaylistDuplicatesEntry) item).getTimesStreamIsContained() > 0) {

app/src/main/java/org/schabi/newpipe/local/holder/LocalPlaylistStreamItemHolder.java

@@ -16,8 +16,8 @@ import org.schabi.newpipe.local.LocalItemBuilder;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
 import org.schabi.newpipe.util.DependentPreferenceHelper;
 import org.schabi.newpipe.util.Localization;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.ServiceHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 import org.schabi.newpipe.views.AnimatedProgressBar;
 
 import java.time.format.DateTimeFormatter;
@@ -83,8 +83,8 @@ public class LocalPlaylistStreamItemHolder extends LocalItemHolder {
         }
 
         // Default thumbnail is shown on error, while loading and if the url is empty
-        PicassoHelper.loadThumbnail(item.getStreamEntity().getThumbnailUrl())
-                .into(itemThumbnailView);
+        CoilHelper.INSTANCE.loadThumbnail(itemThumbnailView,
+                item.getStreamEntity().getThumbnailUrl());
 
         itemView.setOnClickListener(view -> {
             if (itemBuilder.getOnItemSelectedListener() != null) {

app/src/main/java/org/schabi/newpipe/local/holder/LocalStatisticStreamItemHolder.java

@@ -16,8 +16,8 @@ import org.schabi.newpipe.local.LocalItemBuilder;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
 import org.schabi.newpipe.util.DependentPreferenceHelper;
 import org.schabi.newpipe.util.Localization;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.ServiceHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 import org.schabi.newpipe.views.AnimatedProgressBar;
 
 import java.time.format.DateTimeFormatter;
@@ -117,8 +117,8 @@ public class LocalStatisticStreamItemHolder extends LocalItemHolder {
         }
 
         // Default thumbnail is shown on error, while loading and if the url is empty
-        PicassoHelper.loadThumbnail(item.getStreamEntity().getThumbnailUrl())
-                .into(itemThumbnailView);
+        CoilHelper.INSTANCE.loadThumbnail(itemThumbnailView,
+                item.getStreamEntity().getThumbnailUrl());
 
         itemView.setOnClickListener(view -> {
             if (itemBuilder.getOnItemSelectedListener() != null) {

app/src/main/java/org/schabi/newpipe/local/holder/RemotePlaylistItemHolder.java

@@ -8,8 +8,8 @@ import org.schabi.newpipe.database.playlist.model.PlaylistRemoteEntity;
 import org.schabi.newpipe.local.LocalItemBuilder;
 import org.schabi.newpipe.local.history.HistoryRecordManager;
 import org.schabi.newpipe.util.Localization;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.ServiceHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 
 import java.time.format.DateTimeFormatter;
 
@@ -29,10 +29,9 @@ public class RemotePlaylistItemHolder extends PlaylistItemHolder {
     public void updateFromItem(final LocalItem localItem,
                                final HistoryRecordManager historyRecordManager,
                                final DateTimeFormatter dateTimeFormatter) {
-        if (!(localItem instanceof PlaylistRemoteEntity)) {
+        if (!(localItem instanceof PlaylistRemoteEntity item)) {
             return;
         }
-        final PlaylistRemoteEntity item = (PlaylistRemoteEntity) localItem;
 
         itemTitleView.setText(item.getOrderingName());
         itemStreamCountView.setText(Localization.localizeStreamCountMini(
@@ -45,7 +44,7 @@ public class RemotePlaylistItemHolder extends PlaylistItemHolder {
             itemUploaderView.setText(ServiceHelper.getNameOfServiceById(item.getServiceId()));
         }
 
-        PicassoHelper.loadPlaylistThumbnail(item.getThumbnailUrl()).into(itemThumbnailView);
+        CoilHelper.INSTANCE.loadPlaylistThumbnail(itemThumbnailView, item.getThumbnailUrl());
 
         super.updateFromItem(localItem, historyRecordManager, dateTimeFormatter);
     }

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

@@ -327,7 +327,7 @@ class FeedGroupDialog : DialogFragment(), BackPressable {
         groupIcon = feedGroupEntity?.icon
         groupSortOrder = feedGroupEntity?.sortOrder ?: -1
 
-        val feedGroupIcon = if (selectedIcon == null) icon else selectedIcon!!
+        val feedGroupIcon = selectedIcon ?: icon
         feedGroupCreateBinding.iconPreview.setImageResource(feedGroupIcon.getDrawableRes())
 
         if (feedGroupCreateBinding.groupNameInput.text.isNullOrBlank()) {
@@ -506,7 +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()
     }
@@ -523,7 +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/item/ChannelItem.kt

@@ -9,7 +9,7 @@ import org.schabi.newpipe.R
 import org.schabi.newpipe.extractor.channel.ChannelInfoItem
 import org.schabi.newpipe.util.Localization
 import org.schabi.newpipe.util.OnClickGesture
-import org.schabi.newpipe.util.image.PicassoHelper
+import org.schabi.newpipe.util.image.CoilHelper
 
 class ChannelItem(
     private val infoItem: ChannelInfoItem,
@@ -39,7 +39,7 @@ class ChannelItem(
             itemChannelDescriptionView.text = infoItem.description
         }
 
-        PicassoHelper.loadAvatar(infoItem.thumbnails).into(itemThumbnailView)
+        CoilHelper.loadAvatar(itemThumbnailView, infoItem.thumbnails)
 
         gesturesListener?.run {
             viewHolder.root.setOnClickListener { selected(infoItem) }

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

@@ -10,7 +10,7 @@ import org.schabi.newpipe.database.subscription.SubscriptionEntity
 import org.schabi.newpipe.databinding.PickerSubscriptionItemBinding
 import org.schabi.newpipe.ktx.AnimationType
 import org.schabi.newpipe.ktx.animate
-import org.schabi.newpipe.util.image.PicassoHelper
+import org.schabi.newpipe.util.image.CoilHelper
 
 data class PickerSubscriptionItem(
     val subscriptionEntity: SubscriptionEntity,
@@ -21,7 +21,7 @@ data class PickerSubscriptionItem(
     override fun getSpanSize(spanCount: Int, position: Int): Int = 1
 
     override fun bind(viewBinding: PickerSubscriptionItemBinding, position: Int) {
-        PicassoHelper.loadAvatar(subscriptionEntity.avatarUrl).into(viewBinding.thumbnailView)
+        CoilHelper.loadAvatar(viewBinding.thumbnailView, subscriptionEntity.avatarUrl)
         viewBinding.titleView.text = subscriptionEntity.name
         viewBinding.selectedHighlight.isVisible = isSelected
     }

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()) {
-            case android.R.id.home:
-                finish();
-                return true;
-            case R.id.action_settings:
-                NavigationHelper.openSettings(this);
-                return true;
-            case R.id.action_append_playlist:
-                PlaylistDialog.showForPlayQueue(player, getSupportFragmentManager());
-                return true;
-            case R.id.action_playback_speed:
-                openPlaybackParameterDialog();
-                return true;
-            case R.id.action_mute:
-                player.toggleMute();
-                return true;
-            case R.id.action_system_audio:
-                startActivity(new Intent(Settings.ACTION_SOUND_SETTINGS));
-                return true;
-            case R.id.action_switch_main:
+        final int itemId = item.getItemId();
+        if (itemId == android.R.id.home) {
+            finish();
+            return true;
+        } else if (itemId == R.id.action_settings) {
+            NavigationHelper.openSettings(this);
+            return true;
+        } else if (itemId == R.id.action_append_playlist) {
+            PlaylistDialog.showForPlayQueue(player, getSupportFragmentManager());
+            return true;
+        } else if (itemId == R.id.action_playback_speed) {
+            openPlaybackParameterDialog();
+            return true;
+        } else if (itemId == R.id.action_mute) {
+            player.toggleMute();
+            return true;
+        } else if (itemId == R.id.action_system_audio) {
+            startActivity(new Intent(Settings.ACTION_SOUND_SETTINGS));
+            return true;
+        } 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);
-                return true;
-            case R.id.action_switch_popup:
-                if (PermissionHelper.isPopupEnabledElseAsk(this)) {
-                    this.player.setRecovery();
-                    NavigationHelper.playOnPopupPlayer(this, player.getPlayQueue(), true);
-                }
-                return true;
-            case R.id.action_switch_background:
-                this.player.setRecovery();
-                NavigationHelper.playOnBackgroundPlayer(this, player.getPlayQueue(), true);
-                return true;
+                NavigationHelper.playOnPopupPlayer(this, player.getPlayQueue(), true);
+            }
+            return true;
+        } else if (itemId == 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

@@ -46,13 +46,14 @@ import static org.schabi.newpipe.util.ListHelper.getPopupResolutionIndex;
 import static org.schabi.newpipe.util.ListHelper.getResolutionIndex;
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
 
+import static coil3.Image_androidKt.toBitmap;
+
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.graphics.Bitmap;
-import android.graphics.drawable.Drawable;
 import android.media.AudioManager;
 import android.support.v4.media.session.MediaSessionCompat;
 import android.util.Log;
@@ -80,8 +81,6 @@ import com.google.android.exoplayer2.trackselection.DefaultTrackSelector;
 import com.google.android.exoplayer2.trackselection.MappingTrackSelector;
 import com.google.android.exoplayer2.upstream.DefaultBandwidthMeter;
 import com.google.android.exoplayer2.video.VideoSize;
-import com.squareup.picasso.Picasso;
-import com.squareup.picasso.Target;
 
 import org.schabi.newpipe.MainActivity;
 import org.schabi.newpipe.R;
@@ -126,13 +125,14 @@ import org.schabi.newpipe.util.ListHelper;
 import org.schabi.newpipe.util.NavigationHelper;
 import org.schabi.newpipe.util.SerializedCache;
 import org.schabi.newpipe.util.StreamTypeUtil;
-import org.schabi.newpipe.util.image.PicassoHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.stream.IntStream;
 
+import coil3.target.Target;
 import io.reactivex.rxjava3.android.schedulers.AndroidSchedulers;
 import io.reactivex.rxjava3.core.Observable;
 import io.reactivex.rxjava3.core.Single;
@@ -181,7 +181,6 @@ public final class Player implements PlaybackListener, Listener {
     //////////////////////////////////////////////////////////////////////////*/
 
     public static final int RENDERER_UNAVAILABLE = -1;
-    private static final String PICASSO_PLAYER_THUMBNAIL_TAG = "PICASSO_PLAYER_THUMBNAIL_TAG";
 
     /*//////////////////////////////////////////////////////////////////////////
     // Playback
@@ -200,6 +199,8 @@ public final class Player implements PlaybackListener, Listener {
     private MediaItemTag currentMetadata;
     @Nullable
     private Bitmap currentThumbnail;
+    @Nullable
+    private coil3.request.Disposable thumbnailDisposable;
 
     /*//////////////////////////////////////////////////////////////////////////
     // Player
@@ -255,12 +256,6 @@ public final class Player implements PlaybackListener, Listener {
     @NonNull
     private final CompositeDisposable streamItemDisposable = new CompositeDisposable();
 
-    // This is the only listener we need for thumbnail loading, since there is always at most only
-    // one thumbnail being loaded at a time. This field is also here to maintain a strong reference,
-    // which would otherwise be garbage collected since Picasso holds weak references to targets.
-    @NonNull
-    private final Target currentThumbnailTarget;
-
     /*//////////////////////////////////////////////////////////////////////////
     // Utils
     //////////////////////////////////////////////////////////////////////////*/
@@ -314,8 +309,6 @@ public final class Player implements PlaybackListener, Listener {
         videoResolver = new VideoPlaybackResolver(context, dataSource, getQualityResolver());
         audioResolver = new AudioPlaybackResolver(context, dataSource);
 
-        currentThumbnailTarget = getCurrentThumbnailTarget();
-
         // The UIs added here should always be present. They will be initialized when the player
         // reaches the initialization step. Make sure the media session ui is before the
         // notification ui in the UIs list, since the notification depends on the media session in
@@ -704,7 +697,6 @@ public final class Player implements PlaybackListener, Listener {
         databaseUpdateDisposable.clear();
         progressUpdateDisposable.set(null);
         streamItemDisposable.clear();
-        cancelLoadingCurrentThumbnail();
 
         UIs.destroyAll(Object.class); // destroy every UI: obviously every UI extends Object
     }
@@ -884,67 +876,58 @@ public final class Player implements PlaybackListener, Listener {
     //////////////////////////////////////////////////////////////////////////*/
     //region Thumbnail loading
 
-    private Target getCurrentThumbnailTarget() {
-        // a Picasso target is just a listener for thumbnail loading events
-        return new Target() {
-            @Override
-            public void onBitmapLoaded(final Bitmap bitmap, final Picasso.LoadedFrom from) {
-                if (DEBUG) {
-                    Log.d(TAG, "Thumbnail - onBitmapLoaded() called with: bitmap = [" + bitmap
-                            + " -> " + bitmap.getWidth() + "x" + bitmap.getHeight() + "], from = ["
-                            + from + "]");
-                }
-                // there is a new thumbnail, so e.g. the end screen thumbnail needs to change, too.
-                onThumbnailLoaded(bitmap);
-            }
-
-            @Override
-            public void onBitmapFailed(final Exception e, final Drawable errorDrawable) {
-                Log.e(TAG, "Thumbnail - onBitmapFailed() called", e);
-                // there is a new thumbnail, so e.g. the end screen thumbnail needs to change, too.
-                onThumbnailLoaded(null);
-            }
-
-            @Override
-            public void onPrepareLoad(final Drawable placeHolderDrawable) {
-                if (DEBUG) {
-                    Log.d(TAG, "Thumbnail - onPrepareLoad() called");
-                }
-            }
-        };
-    }
-
     private void loadCurrentThumbnail(final List<Image> thumbnails) {
         if (DEBUG) {
             Log.d(TAG, "Thumbnail - loadCurrentThumbnail() called with thumbnails = ["
                     + thumbnails.size() + "]");
         }
 
-        // first cancel any previous loading
-        cancelLoadingCurrentThumbnail();
+        // Cancel any ongoing image loading
+        if (thumbnailDisposable != null) {
+            thumbnailDisposable.dispose();
+        }
 
         // Unset currentThumbnail, since it is now outdated. This ensures it is not used in media
-        // session metadata while the new thumbnail is being loaded by Picasso.
+        // session metadata while the new thumbnail is being loaded by Coil.
         onThumbnailLoaded(null);
         if (thumbnails.isEmpty()) {
             return;
         }
 
         // scale down the notification thumbnail for performance
-        PicassoHelper.loadScaledDownThumbnail(context, thumbnails)
-                .tag(PICASSO_PLAYER_THUMBNAIL_TAG)
-                .into(currentThumbnailTarget);
+        final var thumbnailTarget = new Target() {
+            @Override
+            public void onError(@Nullable final coil3.Image error) {
+                Log.e(TAG, "Thumbnail - onError() called");
+                // there is a new thumbnail, so e.g. the end screen thumbnail needs to change, too.
+                onThumbnailLoaded(null);
+            }
+
+            @Override
+            public void onStart(@Nullable final coil3.Image placeholder) {
+                if (DEBUG) {
+                    Log.d(TAG, "Thumbnail - onStart() called");
+                }
+            }
+
+            @Override
+            public void onSuccess(@NonNull final coil3.Image result) {
+                if (DEBUG) {
+                    Log.d(TAG, "Thumbnail - onSuccess() called with: drawable = [" + result + "]");
+                }
+                // there is a new thumbnail, so e.g. the end screen thumbnail needs to change, too.
+                onThumbnailLoaded(toBitmap(result));
+            }
+        };
+        thumbnailDisposable = CoilHelper.INSTANCE
+                .loadScaledDownThumbnail(context, thumbnails, thumbnailTarget);
     }
 
-    private void cancelLoadingCurrentThumbnail() {
-        // cancel the Picasso job associated with the player thumbnail, if any
-        PicassoHelper.cancelTag(PICASSO_PLAYER_THUMBNAIL_TAG);
-    }
 
     private void onThumbnailLoaded(@Nullable final Bitmap bitmap) {
         // Avoid useless thumbnail updates, if the thumbnail has not actually changed. Based on the
         // thumbnail loading code, this if would be skipped only when both bitmaps are `null`, since
-        // onThumbnailLoaded won't be called twice with the same nonnull bitmap by Picasso's target.
+        // onThumbnailLoaded won't be called twice with the same nonnull bitmap by Coil's target.
         if (currentThumbnail != bitmap) {
             currentThumbnail = bitmap;
             UIs.call(playerUi -> playerUi.onThumbnailLoaded(bitmap));

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

@@ -47,6 +47,9 @@ abstract class BasePlayerGestureListener(
             startMultiDoubleTap(event)
         } else if (portion === DisplayPortion.MIDDLE) {
             player.playPause()
+            if (player.isPlaying) {
+                playerUi.hideControls(0, 0)
+            }
         }
     }
 

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

@@ -49,12 +49,12 @@ import java.text.DecimalFormatSymbols;
 import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Locale;
 import java.util.Objects;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
+import java.util.stream.Collectors;
 
 public final class PlayerHelper {
     private static final FormattersProvider FORMATTERS_PROVIDER = new FormattersProvider();
@@ -87,11 +87,11 @@ public final class PlayerHelper {
     }
 
     @NonNull
-    public static String getTimeString(final int milliSeconds) {
-        final int seconds = (milliSeconds % 60000) / 1000;
-        final int minutes = (milliSeconds % 3600000) / 60000;
-        final int hours = (milliSeconds % 86400000) / 3600000;
-        final int days = (milliSeconds % (86400000 * 7)) / 86400000;
+    public static String getTimeString(final long milliSeconds) {
+        final long seconds = (milliSeconds % 60000) / 1000;
+        final long minutes = (milliSeconds % 3600000) / 60000;
+        final long hours = (milliSeconds % 86400000) / 3600000;
+        final long days = (milliSeconds % (86400000 * 7)) / 86400000;
 
         final Formatters formatters = FORMATTERS_PROVIDER.formatters();
         if (days > 0) {
@@ -174,10 +174,9 @@ public final class PlayerHelper {
     @Nullable
     public static PlayQueue autoQueueOf(@NonNull final StreamInfo info,
                                         @NonNull final List<PlayQueueItem> existingItems) {
-        final Set<String> urls = new HashSet<>(existingItems.size());
-        for (final PlayQueueItem item : existingItems) {
-            urls.add(item.getUrl());
-        }
+        final Set<String> urls = existingItems.stream()
+                .map(PlayQueueItem::getUrl)
+                .collect(Collectors.toUnmodifiableSet());
 
         final List<InfoItem> relatedItems = info.getRelatedItems();
         if (Utils.isNullOrEmpty(relatedItems)) {

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

@@ -117,7 +117,7 @@ public final class PlayerHolder {
     // helper to handle context in common place as using the same
     // context to bind/unbind a service is crucial
     private Context getCommonContext() {
-        return App.getApp();
+        return App.getInstance();
     }
 
     public void startService(final boolean playAfterConnect,

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/PackageValidator.kt

@@ -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) {
-            throw IllegalStateException("Caller's package UID doesn't match caller's actual UID?")
+        check(callerPackageInfo.uid == callingUid) {
+            "Caller's package UID doesn't match caller's actual UID?"
         }
 
         val callerSignature = callerPackageInfo.signature
@@ -202,7 +202,7 @@ internal class PackageValidator(context: Context) {
      */
     private fun getSystemSignature(): String = getPackageInfo(ANDROID_PLATFORM)?.let { platformInfo ->
         getSignature(platformInfo)
-    } ?: throw IllegalStateException("Platform signature not found")
+    } ?: error("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/playqueue/PlayQueueItemBuilder.java

@@ -6,8 +6,8 @@ import android.view.MotionEvent;
 import android.view.View;
 
 import org.schabi.newpipe.util.Localization;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.ServiceHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 
 public class PlayQueueItemBuilder {
     private static final String TAG = PlayQueueItemBuilder.class.toString();
@@ -33,7 +33,7 @@ public class PlayQueueItemBuilder {
             holder.itemDurationView.setVisibility(View.GONE);
         }
 
-        PicassoHelper.loadThumbnail(item.getThumbnails()).into(holder.itemThumbnailView);
+        CoilHelper.INSTANCE.loadThumbnail(holder.itemThumbnailView, item.getThumbnails());
 
         holder.itemRoot.setOnClickListener(view -> {
             if (onItemClickListener != null) {

app/src/main/java/org/schabi/newpipe/player/playqueue/SinglePlayQueue.java

@@ -5,8 +5,8 @@ import androidx.annotation.NonNull;
 import org.schabi.newpipe.extractor.stream.StreamInfo;
 import org.schabi.newpipe.extractor.stream.StreamInfoItem;
 
-import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
 
 public final class SinglePlayQueue extends PlayQueue {
     public SinglePlayQueue(final StreamInfoItem item) {
@@ -29,11 +29,7 @@ public final class SinglePlayQueue extends PlayQueue {
     }
 
     private static List<PlayQueueItem> playQueueItemsOf(@NonNull final List<StreamInfoItem> items) {
-        final List<PlayQueueItem> playQueueItems = new ArrayList<>(items.size());
-        for (final StreamInfoItem item : items) {
-            playQueueItems.add(new PlayQueueItem(item));
-        }
-        return playQueueItems;
+        return items.stream().map(PlayQueueItem::new).collect(Collectors.toList());
     }
 
     @Override

app/src/main/java/org/schabi/newpipe/player/seekbarpreview/SeekbarPreviewThumbnailHolder.java

@@ -13,8 +13,9 @@ import androidx.collection.SparseArrayCompat;
 
 import com.google.common.base.Stopwatch;
 
+import org.schabi.newpipe.App;
 import org.schabi.newpipe.extractor.stream.Frameset;
-import org.schabi.newpipe.util.image.PicassoHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 
 import java.util.Comparator;
 import java.util.List;
@@ -207,8 +208,8 @@ public class SeekbarPreviewThumbnailHolder {
             Log.d(TAG, "Downloading bitmap for seekbarPreview from '" + url + "'");
 
             // Gets the bitmap within the timeout of 15 seconds imposed by default by OkHttpClient
-            // Ensure that your are not running on the main-Thread this will otherwise hang
-            final Bitmap bitmap = PicassoHelper.loadSeekbarThumbnailPreview(url).get();
+            // Ensure that you are not running on the main thread, otherwise this will hang
+            final var bitmap = CoilHelper.INSTANCE.loadBitmapBlocking(App.getInstance(), url);
 
             if (sw != null) {
                 Log.d(TAG, "Download of bitmap for seekbarPreview from '" + url + "' took "

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

@@ -77,6 +77,7 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 public final class MainPlayerUi extends VideoPlayerUi implements View.OnLayoutChangeListener {
     private static final String TAG = MainPlayerUi.class.getSimpleName();
@@ -749,13 +750,13 @@ public final class MainPlayerUi extends VideoPlayerUi implements View.OnLayoutCh
     }
 
     private int getNearestStreamSegmentPosition(final long playbackPosition) {
-        int nearestPosition = 0;
         final List<StreamSegment> segments = player.getCurrentStreamInfo()
                 .map(StreamInfo::getStreamSegments)
                 .orElse(Collections.emptyList());
 
-        for (int i = 0; i < segments.size(); i++) {
-            if (segments.get(i).getStartTimeSeconds() * 1000L > playbackPosition) {
+        int nearestPosition = 0;
+        for (final var segment : segments) {
+            if (segment.getStartTimeSeconds() * 1000L > playbackPosition) {
                 break;
             }
             nearestPosition++;
@@ -816,22 +817,13 @@ public final class MainPlayerUi extends VideoPlayerUi implements View.OnLayoutCh
         }
 
         final int currentStream = playQueue.getIndex();
-        int before = 0;
-        int after = 0;
-
         final List<PlayQueueItem> streams = playQueue.getStreams();
-        final int nStreams = streams.size();
 
-        for (int i = 0; i < nStreams; i++) {
-            if (i < currentStream) {
-                before += streams.get(i).getDuration();
-            } else {
-                after += streams.get(i).getDuration();
-            }
-        }
+        final long before = streams.subList(0, currentStream).stream()
+                .collect(Collectors.summingLong(PlayQueueItem::getDuration)) * 1000;
 
-        before *= 1000;
-        after *= 1000;
+        final long after = streams.subList(currentStream, streams.size()).stream()
+                .collect(Collectors.summingLong(PlayQueueItem::getDuration)) * 1000;
 
         binding.itemsListHeaderDuration.setText(
                 String.format("%s/%s",

app/src/main/java/org/schabi/newpipe/settings/ContentSettingsFragment.java

@@ -19,12 +19,12 @@ import org.schabi.newpipe.extractor.NewPipe;
 import org.schabi.newpipe.player.helper.PlayerHelper;
 import org.schabi.newpipe.util.Localization;
 import org.schabi.newpipe.util.image.ImageStrategy;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.image.PreferredImageQuality;
 
-import java.io.IOException;
 import java.util.Locale;
 
+import coil3.SingletonImageLoader;
+
 public class ContentSettingsFragment extends BasePreferenceFragment {
     private String youtubeRestrictedModeEnabledKey;
 
@@ -74,14 +74,12 @@ public class ContentSettingsFragment extends BasePreferenceFragment {
             (preference, newValue) -> {
                 ImageStrategy.setPreferredImageQuality(PreferredImageQuality
                     .fromPreferenceKey(requireContext(), (String) newValue));
-                try {
-                    PicassoHelper.clearCache(preference.getContext());
-                    Toast.makeText(preference.getContext(),
-                            R.string.thumbnail_cache_wipe_complete_notice, Toast.LENGTH_SHORT)
+                final var loader = SingletonImageLoader.get(preference.getContext());
+                loader.getMemoryCache().clear();
+                loader.getDiskCache().clear();
+                Toast.makeText(preference.getContext(),
+                                R.string.thumbnail_cache_wipe_complete_notice, Toast.LENGTH_SHORT)
                         .show();
-                } catch (final IOException e) {
-                    Log.e(TAG, "Unable to clear Picasso cache", e);
-                }
                 return true;
             });
     }

app/src/main/java/org/schabi/newpipe/settings/DebugSettingsFragment.java

@@ -10,7 +10,6 @@ import org.schabi.newpipe.error.ErrorInfo;
 import org.schabi.newpipe.error.ErrorUtil;
 import org.schabi.newpipe.error.UserAction;
 import org.schabi.newpipe.local.feed.notifications.NotificationWorker;
-import org.schabi.newpipe.util.image.PicassoHelper;
 
 import java.util.Optional;
 
@@ -25,8 +24,6 @@ public class DebugSettingsFragment extends BasePreferenceFragment {
                 requirePreference(R.string.allow_heap_dumping_key);
         final Preference showMemoryLeaksPreference =
                 requirePreference(R.string.show_memory_leaks_key);
-        final Preference showImageIndicatorsPreference =
-                requirePreference(R.string.show_image_indicators_key);
         final Preference checkNewStreamsPreference =
                 requirePreference(R.string.check_new_streams_key);
         final Preference crashTheAppPreference =
@@ -54,11 +51,6 @@ public class DebugSettingsFragment extends BasePreferenceFragment {
             showMemoryLeaksPreference.setSummary(R.string.leak_canary_not_available);
         }
 
-        showImageIndicatorsPreference.setOnPreferenceChangeListener((preference, newValue) -> {
-            PicassoHelper.setIndicatorsEnabled((Boolean) newValue);
-            return true;
-        });
-
         checkNewStreamsPreference.setOnPreferenceClickListener(preference -> {
             NotificationWorker.runNow(preference.getContext());
             return true;

app/src/main/java/org/schabi/newpipe/settings/NewPipeSettings.java

@@ -157,7 +157,7 @@ public final class NewPipeSettings {
                 prefs.getInt(disabledTunnelingAutomaticallyKey, -1) == 0
                         && !prefs.getBoolean(disabledTunnelingKey, false);
 
-        if (App.getApp().isFirstRun()
+        if (App.getInstance().isFirstRun()
                 || (wasDeviceBlacklistUpdated && !wasMediaTunnelingEnabledByUser)) {
             setMediaTunneling(context);
         }

app/src/main/java/org/schabi/newpipe/settings/SelectChannelFragment.java

@@ -19,8 +19,8 @@ import org.schabi.newpipe.R;
 import org.schabi.newpipe.database.subscription.SubscriptionEntity;
 import org.schabi.newpipe.error.ErrorUtil;
 import org.schabi.newpipe.local.subscription.SubscriptionManager;
-import org.schabi.newpipe.util.image.PicassoHelper;
 import org.schabi.newpipe.util.ThemeHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 
 import java.util.List;
 import java.util.Vector;
@@ -190,7 +190,7 @@ public class SelectChannelFragment extends DialogFragment {
             final SubscriptionEntity entry = subscriptions.get(position);
             holder.titleView.setText(entry.getName());
             holder.view.setOnClickListener(view -> clickedItem(position));
-            PicassoHelper.loadAvatar(entry.getAvatarUrl()).into(holder.thumbnailView);
+            CoilHelper.INSTANCE.loadAvatar(holder.thumbnailView, entry.getAvatarUrl());
         }
 
         @Override

app/src/main/java/org/schabi/newpipe/settings/SelectPlaylistFragment.java

@@ -27,7 +27,7 @@ import org.schabi.newpipe.error.ErrorUtil;
 import org.schabi.newpipe.error.UserAction;
 import org.schabi.newpipe.local.playlist.LocalPlaylistManager;
 import org.schabi.newpipe.local.playlist.RemotePlaylistManager;
-import org.schabi.newpipe.util.image.PicassoHelper;
+import org.schabi.newpipe.util.image.CoilHelper;
 
 import java.util.List;
 import java.util.Vector;
@@ -154,21 +154,17 @@ public class SelectPlaylistFragment extends DialogFragment {
                                      final int position) {
             final PlaylistLocalItem selectedItem = playlists.get(position);
 
-            if (selectedItem instanceof PlaylistMetadataEntry) {
-                final PlaylistMetadataEntry entry = ((PlaylistMetadataEntry) selectedItem);
-
+            if (selectedItem instanceof PlaylistMetadataEntry entry) {
                 holder.titleView.setText(entry.getOrderingName());
                 holder.view.setOnClickListener(view -> clickedItem(position));
-                PicassoHelper.loadPlaylistThumbnail(entry.getThumbnailUrl())
-                        .into(holder.thumbnailView);
-
-            } else if (selectedItem instanceof PlaylistRemoteEntity) {
-                final PlaylistRemoteEntity entry = ((PlaylistRemoteEntity) selectedItem);
+                CoilHelper.INSTANCE.loadPlaylistThumbnail(holder.thumbnailView,
+                        entry.getThumbnailUrl());
 
+            } else if (selectedItem instanceof PlaylistRemoteEntity entry) {
                 holder.titleView.setText(entry.getOrderingName());
                 holder.view.setOnClickListener(view -> clickedItem(position));
-                PicassoHelper.loadPlaylistThumbnail(entry.getThumbnailUrl())
-                        .into(holder.thumbnailView);
+                CoilHelper.INSTANCE.loadPlaylistThumbnail(holder.thumbnailView,
+                        entry.getThumbnailUrl());
             }
         }
 

app/src/main/java/org/schabi/newpipe/settings/export/PreferencesObjectInputStream.java

@@ -1,58 +0,0 @@
-package org.schabi.newpipe.settings.export;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.ObjectInputStream;
-import java.io.ObjectStreamClass;
-import java.util.Set;
-
-/**
- * An {@link ObjectInputStream} that only allows preferences-related types to be deserialized, to
- * prevent injections. The only allowed types are: all primitive types, all boxed primitive types,
- * null, strings. HashMap, HashSet and arrays of previously defined types are also allowed. Sources:
- * <a href="https://wiki.sei.cmu.edu/confluence/display/java/SER00-J.+Enable+serialization+compatibility+during+class+evolution">
- * cmu.edu
- * </a>,
- * <a href="https://cheatsheetseries.owasp.org/cheatsheets/Deserialization_Cheat_Sheet.html#harden-your-own-javaioobjectinputstream">
- * OWASP cheatsheet
- * </a>,
- * <a href="https://commons.apache.org/proper/commons-io/apidocs/src-html/org/apache/commons/io/serialization/ValidatingObjectInputStream.html#line-118">
- * Apache's {@code ValidatingObjectInputStream}
- * </a>
- */
-public class PreferencesObjectInputStream extends ObjectInputStream {
-
-    /**
-     * Primitive types, strings and other built-in types do not pass through resolveClass() but
-     * instead have a custom encoding; see
-     * <a href="https://docs.oracle.com/javase/6/docs/platform/serialization/spec/protocol.html#10152">
-     * official docs</a>.
-     */
-    private static final Set<String> CLASS_WHITELIST = Set.of(
-            "java.lang.Boolean",
-            "java.lang.Byte",
-            "java.lang.Character",
-            "java.lang.Short",
-            "java.lang.Integer",
-            "java.lang.Long",
-            "java.lang.Float",
-            "java.lang.Double",
-            "java.lang.Void",
-            "java.util.HashMap",
-            "java.util.HashSet"
-    );
-
-    public PreferencesObjectInputStream(final InputStream in) throws IOException {
-        super(in);
-    }
-
-    @Override
-    protected Class<?> resolveClass(final ObjectStreamClass desc)
-            throws ClassNotFoundException, IOException {
-        if (CLASS_WHITELIST.contains(desc.getName())) {
-            return super.resolveClass(desc);
-        } else {
-            throw new ClassNotFoundException("Class not allowed: " + desc.getName());
-        }
-    }
-}

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

@@ -0,0 +1,52 @@
+/*
+ * SPDX-FileCopyrightText: 2024-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.settings.export
+
+import java.io.IOException
+import java.io.InputStream
+import java.io.ObjectInputStream
+import java.io.ObjectStreamClass
+
+/**
+ * An [ObjectInputStream] that only allows preferences-related types to be deserialized, to
+ * prevent injections. The only allowed types are: all primitive types, all boxed primitive types,
+ * null, strings. HashMap, HashSet and arrays of previously defined types are also allowed. Sources:
+ * [cmu.edu](https://wiki.sei.cmu.edu/confluence/display/java/SER00-J.+Enable+serialization+compatibility+during+class+evolution) * ,
+ * [OWASP cheatsheet](https://cheatsheetseries.owasp.org/cheatsheets/Deserialization_Cheat_Sheet.html#harden-your-own-javaioobjectinputstream) * ,
+ * [Apache's `ValidatingObjectInputStream`](https://commons.apache.org/proper/commons-io/apidocs/src-html/org/apache/commons/io/serialization/ValidatingObjectInputStream.html#line-118) *
+ */
+class PreferencesObjectInputStream(stream: InputStream) : ObjectInputStream(stream) {
+    @Throws(ClassNotFoundException::class, IOException::class)
+    override fun resolveClass(desc: ObjectStreamClass): Class<*> {
+        if (desc.name in CLASS_WHITELIST) {
+            return super.resolveClass(desc)
+        } else {
+            throw ClassNotFoundException("Class not allowed: $desc.name")
+        }
+    }
+
+    companion object {
+        /**
+         * Primitive types, strings and other built-in types do not pass through resolveClass() but
+         * instead have a custom encoding; see
+         * [
+         * official docs](https://docs.oracle.com/javase/6/docs/platform/serialization/spec/protocol.html#10152).
+         */
+        private val CLASS_WHITELIST = setOf<String>(
+            "java.lang.Boolean",
+            "java.lang.Byte",
+            "java.lang.Character",
+            "java.lang.Short",
+            "java.lang.Integer",
+            "java.lang.Long",
+            "java.lang.Float",
+            "java.lang.Double",
+            "java.lang.Void",
+            "java.util.HashMap",
+            "java.util.HashSet"
+        )
+    }
+}

app/src/main/java/org/schabi/newpipe/settings/migration/SettingMigrations.java

@@ -251,7 +251,7 @@ public final class SettingMigrations {
         final int lastPrefVersion = sp.getInt(lastPrefVersionKey, 0);
 
         // no migration to run, already up to date
-        if (App.getApp().isFirstRun()) {
+        if (App.getInstance().isFirstRun()) {
             sp.edit().putInt(lastPrefVersionKey, VERSION).apply();
             return;
         } else if (lastPrefVersion == VERSION) {

app/src/main/java/org/schabi/newpipe/settings/preferencesearch/PreferenceSearchItem.kt

@@ -26,14 +26,13 @@ data class PreferenceSearchItem(
     val breadcrumbs: String,
     @XmlRes val searchIndexItemResId: Int
 ) {
+    val allRelevantSearchFields: List<String>
+        get() = listOf(title, summary, entries, breadcrumbs)
+
     fun hasData(): Boolean {
         return !key.isEmpty() && !title.isEmpty()
     }
 
-    fun getAllRelevantSearchFields(): MutableList<String?> {
-        return mutableListOf(title, summary, entries, breadcrumbs)
-    }
-
     override fun toString(): String {
         return "PreferenceItem: $title $summary $key"
     }

app/src/main/java/org/schabi/newpipe/settings/tabs/TabsJsonHelper.java

@@ -9,8 +9,9 @@ import com.grack.nanojson.JsonParserException;
 import com.grack.nanojson.JsonStringWriter;
 import com.grack.nanojson.JsonWriter;
 
-import java.util.ArrayList;
 import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
 
 /**
  * Class to get a JSON representation of a list of tabs, and the other way around.
@@ -44,39 +45,25 @@ public final class TabsJsonHelper {
             return getDefaultTabs();
         }
 
-        final List<Tab> returnTabs = new ArrayList<>();
-
-        final JsonObject outerJsonObject;
         try {
-            outerJsonObject = JsonParser.object().from(tabsJson);
+            final JsonObject outerJsonObject = JsonParser.object().from(tabsJson);
 
             if (!outerJsonObject.has(JSON_TABS_ARRAY_KEY)) {
                 throw new InvalidJsonException("JSON doesn't contain \"" + JSON_TABS_ARRAY_KEY
                         + "\" array");
             }
 
-            final JsonArray tabsArray = outerJsonObject.getArray(JSON_TABS_ARRAY_KEY);
+            final JsonArray tabsArray = outerJsonObject.getArray(JSON_TABS_ARRAY_KEY, null);
 
-            for (final Object o : tabsArray) {
-                if (!(o instanceof JsonObject)) {
-                    continue;
-                }
+            final var returnTabs = tabsArray.streamAsJsonObjects()
+                    .map(Tab::from)
+                    .filter(Objects::nonNull)
+                    .collect(Collectors.toUnmodifiableList());
 
-                final Tab tab = Tab.from((JsonObject) o);
-
-                if (tab != null) {
-                    returnTabs.add(tab);
-                }
-            }
+            return returnTabs.isEmpty() ? getDefaultTabs() : returnTabs;
         } catch (final JsonParserException e) {
             throw new InvalidJsonException(e);
         }
-
-        if (returnTabs.isEmpty()) {
-            return getDefaultTabs();
-        }
-
-        return returnTabs;
     }
 
     /**

app/src/main/java/org/schabi/newpipe/util/DependentPreferenceHelper.java

@@ -1,51 +0,0 @@
-package org.schabi.newpipe.util;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-
-import androidx.preference.PreferenceManager;
-
-import org.schabi.newpipe.R;
-
-/**
- * For preferences with dependencies and multiple use case,
- * this class can be used to reduce the lines of code.
- */
-public final class DependentPreferenceHelper {
-
-    private DependentPreferenceHelper() {
-        // no instance
-    }
-
-    /**
-     * Option `Resume playback` depends on `Watch history`, this method can be used to retrieve if
-     * `Resume playback` and its dependencies are all enabled.
-     *
-     * @param context the Android context
-     * @return returns true if `Resume playback` and `Watch history` are both enabled
-     */
-    public static boolean getResumePlaybackEnabled(final Context context) {
-        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-
-        return prefs.getBoolean(context.getString(
-                        R.string.enable_watch_history_key), true)
-                && prefs.getBoolean(context.getString(
-                        R.string.enable_playback_resume_key), true);
-    }
-
-    /**
-     * Option `Position in lists` depends on `Watch history`, this method can be used to retrieve if
-     * `Position in lists` and its dependencies are all enabled.
-     *
-     * @param context the Android context
-     * @return returns true if `Positions in lists` and `Watch history` are both enabled
-     */
-    public static boolean getPositionsInListsEnabled(final Context context) {
-        final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-
-        return prefs.getBoolean(context.getString(
-                        R.string.enable_watch_history_key), true)
-                && prefs.getBoolean(context.getString(
-                        R.string.enable_playback_state_lists_key), true);
-    }
-}

app/src/main/java/org/schabi/newpipe/util/DependentPreferenceHelper.kt

@@ -0,0 +1,46 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.util
+
+import android.content.Context
+import androidx.preference.PreferenceManager
+import org.schabi.newpipe.R
+
+/**
+ * For preferences with dependencies and multiple use case,
+ * this class can be used to reduce the lines of code.
+ */
+object DependentPreferenceHelper {
+    /**
+     * Option `Resume playback` depends on `Watch history`, this method can be used to retrieve if
+     * `Resume playback` and its dependencies are all enabled.
+     *
+     * @param context the Android context
+     * @return returns true if `Resume playback` and `Watch history` are both enabled
+     */
+    @JvmStatic
+    fun getResumePlaybackEnabled(context: Context): Boolean {
+        val prefs = PreferenceManager.getDefaultSharedPreferences(context)
+
+        return prefs.getBoolean(context.getString(R.string.enable_watch_history_key), true) &&
+            prefs.getBoolean(context.getString(R.string.enable_playback_resume_key), true)
+    }
+
+    /**
+     * Option `Position in lists` depends on `Watch history`, this method can be used to retrieve if
+     * `Position in lists` and its dependencies are all enabled.
+     *
+     * @param context the Android context
+     * @return returns true if `Positions in lists` and `Watch history` are both enabled
+     */
+    @JvmStatic
+    fun getPositionsInListsEnabled(context: Context): Boolean {
+        val prefs = PreferenceManager.getDefaultSharedPreferences(context)
+
+        return prefs.getBoolean(context.getString(R.string.enable_watch_history_key), true) &&
+            prefs.getBoolean(context.getString(R.string.enable_playback_state_lists_key), true)
+    }
+}

app/src/main/java/org/schabi/newpipe/util/DeviceUtils.java

@@ -131,7 +131,7 @@ public final class DeviceUtils {
         }
 
         isFireTV =
-                App.getApp().getPackageManager().hasSystemFeature(AMAZON_FEATURE_FIRE_TV);
+                App.getInstance().getPackageManager().hasSystemFeature(AMAZON_FEATURE_FIRE_TV);
         return isFireTV;
     }
 
@@ -140,7 +140,7 @@ public final class DeviceUtils {
             return isTV;
         }
 
-        final PackageManager pm = App.getApp().getPackageManager();
+        final PackageManager pm = App.getInstance().getPackageManager();
 
         // from doc: https://developer.android.com/training/tv/start/hardware.html#runtime-check
         boolean isTv = ContextCompat.getSystemService(context, UiModeManager.class)

app/src/main/java/org/schabi/newpipe/util/KeyboardUtil.java

@@ -48,7 +48,7 @@ public final class KeyboardUtil {
         final InputMethodManager imm = ContextCompat.getSystemService(activity,
                 InputMethodManager.class);
         imm.hideSoftInputFromWindow(editText.getWindowToken(),
-                InputMethodManager.RESULT_UNCHANGED_SHOWN);
+                InputMethodManager.HIDE_NOT_ALWAYS);
 
         editText.clearFocus();
     }

app/src/main/java/org/schabi/newpipe/util/Localization.java

@@ -426,12 +426,24 @@ public final class Localization {
         return new BigDecimal(value).setScale(scale, RoundingMode.HALF_UP).doubleValue();
     }
 
+    /**
+     * A wrapper around {@code context.getResources().getQuantityString()} with some safeguard.
+     *
+     * @param context the Android context
+     * @param pluralId the ID of the plural resource
+     * @param zeroCaseStringId the resource ID of the string to use in case {@code count=0},
+     *                         or 0 if the plural resource should be used in the zero case too
+     * @param count the number that should be used to pick the correct plural form
+     * @param formattedCount the formatting parameter to substitute inside the plural resource,
+     *                       ideally just {@code count} converted to string
+     * @return the formatted string with the correct pluralization
+     */
     private static String getQuantity(@NonNull final Context context,
                                       @PluralsRes final int pluralId,
                                       @StringRes final int zeroCaseStringId,
                                       final long count,
                                       final String formattedCount) {
-        if (count == 0) {
+        if (count == 0 && zeroCaseStringId != 0) {
             return context.getString(zeroCaseStringId);
         }
 

app/src/main/java/org/schabi/newpipe/util/NavigationHelper.java

@@ -501,6 +501,7 @@ public final class NavigationHelper {
 
     public static void openCommentRepliesFragment(@NonNull final FragmentActivity activity,
                                                   @NonNull final CommentsInfoItem comment) {
+        closeCommentRepliesFragments(activity);
         defaultTransaction(activity.getSupportFragmentManager())
                 .replace(R.id.fragment_holder, new CommentRepliesFragment(comment),
                         CommentRepliesFragment.TAG)
@@ -508,6 +509,41 @@ public final class NavigationHelper {
                 .commit();
     }
 
+    /**
+     * Closes all open {@link CommentRepliesFragment}s in {@code activity},
+     * including those that are not at the top of the back stack.
+     * This is needed to prevent multiple open CommentRepliesFragments
+     * Ideally there should only be one since we remove existing before opening a new one.
+     * @param activity the activity in which to close the CommentRepliesFragments
+     */
+    public static void closeCommentRepliesFragments(@NonNull final FragmentActivity activity) {
+        final FragmentManager fm = activity.getSupportFragmentManager();
+
+        // Remove all existing fragment instances tagged as CommentRepliesFragment
+        final FragmentTransaction tx = defaultTransaction(fm);
+        boolean removed = false;
+        for (final Fragment fragment : fm.getFragments()) {
+            if (fragment != null && CommentRepliesFragment.TAG.equals(fragment.getTag())) {
+                tx.remove(fragment);
+                removed = true;
+            }
+        }
+        if (removed) {
+            tx.commit();
+        }
+
+        // Only pop back stack entries named CommentRepliesFragment.TAG if they are at the top.
+        while (fm.getBackStackEntryCount() > 0
+                && CommentRepliesFragment.TAG.equals(
+                        fm.getBackStackEntryAt(fm.getBackStackEntryCount() - 1).getName()
+                    )
+        ) {
+            fm.popBackStackImmediate(CommentRepliesFragment.TAG,
+                    FragmentManager.POP_BACK_STACK_INCLUSIVE);
+        }
+
+    }
+
     public static void openPlaylistFragment(final FragmentManager fragmentManager,
                                             final int serviceId, final String url,
                                             @NonNull final String name) {

app/src/main/java/org/schabi/newpipe/util/NewPipeTextViewHelper.java

@@ -1,61 +0,0 @@
-package org.schabi.newpipe.util;
-
-import android.content.Context;
-import android.text.Selection;
-import android.text.Spannable;
-import android.widget.TextView;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import org.schabi.newpipe.util.external_communication.ShareUtils;
-import org.schabi.newpipe.views.NewPipeEditText;
-import org.schabi.newpipe.views.NewPipeTextView;
-
-public final class NewPipeTextViewHelper {
-    private NewPipeTextViewHelper() {
-    }
-
-    /**
-     * Share the selected text of {@link NewPipeTextView NewPipeTextViews} and
-     * {@link NewPipeEditText NewPipeEditTexts} with
-     * {@link ShareUtils#shareText(Context, String, String)}.
-     *
-     * <p>
-     * This allows EMUI users to get the Android share sheet instead of the EMUI share sheet when
-     * using the {@code Share} command of the popup menu which appears when selecting text.
-     * </p>
-     *
-     * @param textView the {@link TextView} on which sharing the selected text. It should be a
-     *                 {@link NewPipeTextView} or a {@link NewPipeEditText} (even if
-     *                 {@link TextView standard TextViews} are supported).
-     */
-    public static void shareSelectedTextWithShareUtils(@NonNull final TextView textView) {
-        final CharSequence textViewText = textView.getText();
-        shareSelectedTextIfNotNullAndNotEmpty(textView, getSelectedText(textView, textViewText));
-        if (textViewText instanceof Spannable) {
-            Selection.setSelection((Spannable) textViewText, textView.getSelectionEnd());
-        }
-    }
-
-    @Nullable
-    private static CharSequence getSelectedText(@NonNull final TextView textView,
-                                                @Nullable final CharSequence text) {
-        if (!textView.hasSelection() || text == null) {
-            return null;
-        }
-
-        final int start = textView.getSelectionStart();
-        final int end = textView.getSelectionEnd();
-        return String.valueOf(start > end ? text.subSequence(end, start)
-                : text.subSequence(start, end));
-    }
-
-    private static void shareSelectedTextIfNotNullAndNotEmpty(
-            @NonNull final TextView textView,
-            @Nullable final CharSequence selectedText) {
-        if (selectedText != null && selectedText.length() != 0) {
-            ShareUtils.shareText(textView.getContext(), "", selectedText.toString());
-        }
-    }
-}

app/src/main/java/org/schabi/newpipe/util/NewPipeTextViewHelper.kt

@@ -0,0 +1,60 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.util
+
+import android.text.Selection
+import android.text.Spannable
+import android.widget.TextView
+import org.schabi.newpipe.util.external_communication.ShareUtils
+
+object NewPipeTextViewHelper {
+    /**
+     * Share the selected text of [NewPipeTextViews][org.schabi.newpipe.views.NewPipeTextView] and
+     * [NewPipeEditTexts][org.schabi.newpipe.views.NewPipeEditText] with
+     * [ShareUtils.shareText].
+     *
+     *
+     *
+     * This allows EMUI users to get the Android share sheet instead of the EMUI share sheet when
+     * using the `Share` command of the popup menu which appears when selecting text.
+     *
+     *
+     * @param textView the [TextView] on which sharing the selected text. It should be a
+     * [org.schabi.newpipe.views.NewPipeTextView] or a [org.schabi.newpipe.views.NewPipeEditText]
+     * (even if [standard TextViews][TextView] are supported).
+     */
+    @JvmStatic
+    fun shareSelectedTextWithShareUtils(textView: TextView) {
+        val textViewText = textView.getText()
+        shareSelectedTextIfNotNullAndNotEmpty(textView, getSelectedText(textView, textViewText))
+        if (textViewText is Spannable) {
+            Selection.setSelection(textViewText, textView.selectionEnd)
+        }
+    }
+
+    private fun getSelectedText(textView: TextView, text: CharSequence?): CharSequence? {
+        if (!textView.hasSelection() || text == null) {
+            return null
+        }
+
+        val start = textView.selectionStart
+        val end = textView.selectionEnd
+        return if (start > end) {
+            text.subSequence(end, start)
+        } else {
+            text.subSequence(start, end)
+        }
+    }
+
+    private fun shareSelectedTextIfNotNullAndNotEmpty(
+        textView: TextView,
+        selectedText: CharSequence?
+    ) {
+        if (!selectedText.isNullOrEmpty()) {
+            ShareUtils.shareText(textView.context, "", selectedText.toString())
+        }
+    }
+}

app/src/main/java/org/schabi/newpipe/util/PeertubeHelper.java

@@ -1,69 +0,0 @@
-package org.schabi.newpipe.util;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-
-import androidx.preference.PreferenceManager;
-
-import com.grack.nanojson.JsonArray;
-import com.grack.nanojson.JsonObject;
-import com.grack.nanojson.JsonParser;
-import com.grack.nanojson.JsonParserException;
-import com.grack.nanojson.JsonStringWriter;
-import com.grack.nanojson.JsonWriter;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.ServiceList;
-import org.schabi.newpipe.extractor.services.peertube.PeertubeInstance;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public final class PeertubeHelper {
-    private PeertubeHelper() { }
-
-    public static List<PeertubeInstance> getInstanceList(final Context context) {
-        final SharedPreferences sharedPreferences = PreferenceManager
-                .getDefaultSharedPreferences(context);
-        final String savedInstanceListKey = context.getString(R.string.peertube_instance_list_key);
-        final String savedJson = sharedPreferences.getString(savedInstanceListKey, null);
-        if (null == savedJson) {
-            return List.of(getCurrentInstance());
-        }
-
-        try {
-            final JsonArray array = JsonParser.object().from(savedJson).getArray("instances");
-            final List<PeertubeInstance> result = new ArrayList<>();
-            for (final Object o : array) {
-                if (o instanceof JsonObject) {
-                    final JsonObject instance = (JsonObject) o;
-                    final String name = instance.getString("name");
-                    final String url = instance.getString("url");
-                    result.add(new PeertubeInstance(url, name));
-                }
-            }
-            return result;
-        } catch (final JsonParserException e) {
-            return List.of(getCurrentInstance());
-        }
-    }
-
-    public static PeertubeInstance selectInstance(final PeertubeInstance instance,
-                                                  final Context context) {
-        final SharedPreferences sharedPreferences = PreferenceManager
-                .getDefaultSharedPreferences(context);
-        final String selectedInstanceKey =
-                context.getString(R.string.peertube_selected_instance_key);
-        final JsonStringWriter jsonWriter = JsonWriter.string().object();
-        jsonWriter.value("name", instance.getName());
-        jsonWriter.value("url", instance.getUrl());
-        final String jsonToSave = jsonWriter.end().done();
-        sharedPreferences.edit().putString(selectedInstanceKey, jsonToSave).apply();
-        ServiceList.PeerTube.setInstance(instance);
-        return instance;
-    }
-
-    public static PeertubeInstance getCurrentInstance() {
-        return ServiceList.PeerTube.getInstance();
-    }
-}

app/src/main/java/org/schabi/newpipe/util/PeertubeHelper.kt

@@ -0,0 +1,52 @@
+/*
+ * SPDX-FileCopyrightText: 2019-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.util
+
+import android.content.Context
+import androidx.core.content.edit
+import androidx.preference.PreferenceManager
+import com.grack.nanojson.JsonObject
+import com.grack.nanojson.JsonParser
+import com.grack.nanojson.JsonWriter
+import org.schabi.newpipe.R
+import org.schabi.newpipe.extractor.ServiceList
+import org.schabi.newpipe.extractor.services.peertube.PeertubeInstance
+
+object PeertubeHelper {
+
+    @JvmStatic
+    val currentInstance: PeertubeInstance
+        get() = ServiceList.PeerTube.instance
+
+    @JvmStatic
+    fun getInstanceList(context: Context): List<PeertubeInstance> {
+        val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+        val savedInstanceListKey = context.getString(R.string.peertube_instance_list_key)
+        val savedJson = sharedPreferences.getString(savedInstanceListKey, null)
+            ?: return listOf(currentInstance)
+
+        return runCatching {
+            JsonParser.`object`().from(savedJson).getArray("instances")
+                .filterIsInstance<JsonObject>()
+                .map { PeertubeInstance(it.getString("url"), it.getString("name")) }
+        }.getOrDefault(listOf(currentInstance))
+    }
+
+    @JvmStatic
+    fun selectInstance(instance: PeertubeInstance, context: Context): PeertubeInstance {
+        val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+        val selectedInstanceKey = context.getString(R.string.peertube_selected_instance_key)
+
+        val jsonWriter = JsonWriter.string().`object`()
+        jsonWriter.value("name", instance.name)
+        jsonWriter.value("url", instance.url)
+        val jsonToSave = jsonWriter.end().done()
+
+        sharedPreferences.edit { putString(selectedInstanceKey, jsonToSave) }
+        ServiceList.PeerTube.instance = instance
+        return instance
+    }
+}

app/src/main/java/org/schabi/newpipe/util/PermissionHelper.java

@@ -90,10 +90,10 @@ public final class PermissionHelper {
                 && ContextCompat.checkSelfPermission(activity,
                 Manifest.permission.POST_NOTIFICATIONS)
                 != PackageManager.PERMISSION_GRANTED) {
-            if (!App.getApp().getNotificationsRequested()) {
+            if (!App.getInstance().getNotificationsRequested()) {
                 ActivityCompat.requestPermissions(activity,
                         new String[]{Manifest.permission.POST_NOTIFICATIONS}, requestCode);
-                App.getApp().setNotificationsRequested();
+                App.getInstance().setNotificationsRequested();
                 return false;
             }
         }

app/src/main/java/org/schabi/newpipe/util/PlayButtonHelper.java

@@ -1,94 +0,0 @@
-package org.schabi.newpipe.util;
-
-import android.content.Context;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.preference.PreferenceManager;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.databinding.PlaylistControlBinding;
-import org.schabi.newpipe.fragments.list.playlist.PlaylistControlViewHolder;
-import org.schabi.newpipe.player.PlayerType;
-
-/**
- * Utility class for play buttons and their respective click listeners.
- */
-public final class PlayButtonHelper {
-
-    private PlayButtonHelper() {
-        // utility class
-    }
-
-    /**
-     * Initialize {@link android.view.View.OnClickListener OnClickListener}
-     * and {@link android.view.View.OnLongClickListener OnLongClickListener} for playlist control
-     * buttons defined in {@link R.layout#playlist_control}.
-     *
-     * @param activity The activity to use for the {@link android.widget.Toast Toast}.
-     * @param playlistControlBinding The binding of the
-     *        {@link R.layout#playlist_control playlist control layout}.
-     * @param fragment The fragment to get the play queue from.
-     */
-    public static void initPlaylistControlClickListener(
-            @NonNull final AppCompatActivity activity,
-            @NonNull final PlaylistControlBinding playlistControlBinding,
-            @NonNull final PlaylistControlViewHolder fragment) {
-        // click listener
-        playlistControlBinding.playlistCtrlPlayAllButton.setOnClickListener(view -> {
-            NavigationHelper.playOnMainPlayer(activity, fragment.getPlayQueue());
-            showHoldToAppendToastIfNeeded(activity);
-        });
-        playlistControlBinding.playlistCtrlPlayPopupButton.setOnClickListener(view -> {
-            NavigationHelper.playOnPopupPlayer(activity, fragment.getPlayQueue(), false);
-            showHoldToAppendToastIfNeeded(activity);
-        });
-        playlistControlBinding.playlistCtrlPlayBgButton.setOnClickListener(view -> {
-            NavigationHelper.playOnBackgroundPlayer(activity, fragment.getPlayQueue(), false);
-            showHoldToAppendToastIfNeeded(activity);
-        });
-
-        // long click listener
-        playlistControlBinding.playlistCtrlPlayAllButton.setOnLongClickListener(view -> {
-            NavigationHelper.enqueueOnPlayer(activity, fragment.getPlayQueue(), PlayerType.MAIN);
-            return true;
-        });
-        playlistControlBinding.playlistCtrlPlayPopupButton.setOnLongClickListener(view -> {
-            NavigationHelper.enqueueOnPlayer(activity, fragment.getPlayQueue(), PlayerType.POPUP);
-            return true;
-        });
-        playlistControlBinding.playlistCtrlPlayBgButton.setOnLongClickListener(view -> {
-            NavigationHelper.enqueueOnPlayer(activity, fragment.getPlayQueue(), PlayerType.AUDIO);
-            return true;
-        });
-    }
-
-    /**
-     * Show the "hold to append" toast if the corresponding preference is enabled.
-     *
-     * @param context The context to show the toast.
-     */
-    private static void showHoldToAppendToastIfNeeded(@NonNull final Context context) {
-        if (shouldShowHoldToAppendTip(context)) {
-            Toast.makeText(context, R.string.hold_to_append, Toast.LENGTH_SHORT).show();
-        }
-
-    }
-
-    /**
-     * Check if the "hold to append" toast should be shown.
-     *
-     * <p>
-     * The tip is shown if the corresponding preference is enabled.
-     * This is the default behaviour.
-     * </p>
-     *
-     * @param context The context to get the preference.
-     * @return {@code true} if the tip should be shown, {@code false} otherwise.
-     */
-    public static boolean shouldShowHoldToAppendTip(@NonNull final Context context) {
-        return PreferenceManager.getDefaultSharedPreferences(context)
-                .getBoolean(context.getString(R.string.show_hold_to_append_key), true);
-    }
-}

app/src/main/java/org/schabi/newpipe/util/PlayButtonHelper.kt

@@ -0,0 +1,96 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.util
+
+import android.content.Context
+import android.view.View
+import android.view.View.OnLongClickListener
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.preference.PreferenceManager
+import org.schabi.newpipe.R
+import org.schabi.newpipe.databinding.PlaylistControlBinding
+import org.schabi.newpipe.fragments.list.playlist.PlaylistControlViewHolder
+import org.schabi.newpipe.player.PlayerType
+
+/**
+ * Utility class for play buttons and their respective click listeners.
+ */
+object PlayButtonHelper {
+    /**
+     * Initialize [OnClickListener][View.OnClickListener]
+     * and [OnLongClickListener][OnLongClickListener] for playlist control
+     * buttons defined in [R.layout.playlist_control].
+     *
+     * @param activity The activity to use for the [Toast][Toast].
+     * @param playlistControlBinding The binding of the
+     * [playlist control layout][R.layout.playlist_control].
+     * @param fragment The fragment to get the play queue from.
+     */
+    @JvmStatic
+    fun initPlaylistControlClickListener(
+        activity: AppCompatActivity,
+        playlistControlBinding: PlaylistControlBinding,
+        fragment: PlaylistControlViewHolder
+    ) {
+        // click listener
+        playlistControlBinding.playlistCtrlPlayAllButton.setOnClickListener {
+            NavigationHelper.playOnMainPlayer(activity, fragment.getPlayQueue())
+            showHoldToAppendToastIfNeeded(activity)
+        }
+        playlistControlBinding.playlistCtrlPlayPopupButton.setOnClickListener {
+            NavigationHelper.playOnPopupPlayer(activity, fragment.getPlayQueue(), false)
+            showHoldToAppendToastIfNeeded(activity)
+        }
+        playlistControlBinding.playlistCtrlPlayBgButton.setOnClickListener {
+            NavigationHelper.playOnBackgroundPlayer(activity, fragment.getPlayQueue(), false)
+            showHoldToAppendToastIfNeeded(activity)
+        }
+
+        // long click listener
+        playlistControlBinding.playlistCtrlPlayAllButton.setOnLongClickListener {
+            NavigationHelper.enqueueOnPlayer(activity, fragment.getPlayQueue(), PlayerType.MAIN)
+            true
+        }
+        playlistControlBinding.playlistCtrlPlayPopupButton.setOnLongClickListener {
+            NavigationHelper.enqueueOnPlayer(activity, fragment.getPlayQueue(), PlayerType.POPUP)
+            true
+        }
+        playlistControlBinding.playlistCtrlPlayBgButton.setOnLongClickListener {
+            NavigationHelper.enqueueOnPlayer(activity, fragment.getPlayQueue(), PlayerType.AUDIO)
+            true
+        }
+    }
+
+    /**
+     * Show the "hold to append" toast if the corresponding preference is enabled.
+     *
+     * @param context The context to show the toast.
+     */
+    private fun showHoldToAppendToastIfNeeded(context: Context) {
+        if (shouldShowHoldToAppendTip(context)) {
+            Toast.makeText(context, R.string.hold_to_append, Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    /**
+     * Check if the "hold to append" toast should be shown.
+     *
+     *
+     *
+     * The tip is shown if the corresponding preference is enabled.
+     * This is the default behaviour.
+     *
+     *
+     * @param context The context to get the preference.
+     * @return `true` if the tip should be shown, `false` otherwise.
+     */
+    @JvmStatic
+    fun shouldShowHoldToAppendTip(context: Context): Boolean {
+        return PreferenceManager.getDefaultSharedPreferences(context)
+            .getBoolean(context.getString(R.string.show_hold_to_append_key), true)
+    }
+}

app/src/main/java/org/schabi/newpipe/util/ReleaseVersionUtil.kt

@@ -21,7 +21,7 @@ object ReleaseVersionUtil {
         val certificates = mapOf(
             RELEASE_CERT_PUBLIC_KEY_SHA256.hexToByteArray() to PackageManager.CERT_INPUT_SHA256
         )
-        val app = App.getApp()
+        val app = App.instance
         try {
             PackageInfoCompat.hasSignatures(app.packageManager, app.packageName, certificates, false)
         } catch (e: PackageManager.NameNotFoundException) {

app/src/main/java/org/schabi/newpipe/util/ServiceHelper.java

@@ -1,213 +0,0 @@
-package org.schabi.newpipe.util;
-
-import static org.schabi.newpipe.extractor.ServiceList.SoundCloud;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-
-import androidx.annotation.DrawableRes;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.annotation.StringRes;
-import androidx.preference.PreferenceManager;
-
-import com.grack.nanojson.JsonObject;
-import com.grack.nanojson.JsonParser;
-import com.grack.nanojson.JsonParserException;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.NewPipe;
-import org.schabi.newpipe.extractor.ServiceList;
-import org.schabi.newpipe.extractor.StreamingService;
-import org.schabi.newpipe.extractor.exceptions.ExtractionException;
-import org.schabi.newpipe.extractor.services.peertube.PeertubeInstance;
-
-import java.util.Optional;
-import java.util.concurrent.TimeUnit;
-
-public final class ServiceHelper {
-    private static final StreamingService DEFAULT_FALLBACK_SERVICE = ServiceList.YouTube;
-
-    private ServiceHelper() { }
-
-    @DrawableRes
-    public static int getIcon(final int serviceId) {
-        switch (serviceId) {
-            case 0:
-                return R.drawable.ic_smart_display;
-            case 1:
-                return R.drawable.ic_cloud;
-            case 2:
-                return R.drawable.ic_placeholder_media_ccc;
-            case 3:
-                return R.drawable.ic_placeholder_peertube;
-            case 4:
-                return R.drawable.ic_placeholder_bandcamp;
-            default:
-                return R.drawable.ic_circle;
-        }
-    }
-
-    public static String getTranslatedFilterString(final String filter, final Context c) {
-        switch (filter) {
-            case "all":
-                return c.getString(R.string.all);
-            case "videos":
-            case "sepia_videos":
-            case "music_videos":
-                return c.getString(R.string.videos_string);
-            case "channels":
-                return c.getString(R.string.channels);
-            case "playlists":
-            case "music_playlists":
-                return c.getString(R.string.playlists);
-            case "tracks":
-                return c.getString(R.string.tracks);
-            case "users":
-                return c.getString(R.string.users);
-            case "conferences":
-                return c.getString(R.string.conferences);
-            case "events":
-                return c.getString(R.string.events);
-            case "music_songs":
-                return c.getString(R.string.songs);
-            case "music_albums":
-                return c.getString(R.string.albums);
-            case "music_artists":
-                return c.getString(R.string.artists);
-            default:
-                return filter;
-        }
-    }
-
-    /**
-     * Get a resource string with instructions for importing subscriptions for each service.
-     *
-     * @param serviceId service to get the instructions for
-     * @return the string resource containing the instructions or -1 if the service don't support it
-     */
-    @StringRes
-    public static int getImportInstructions(final int serviceId) {
-        switch (serviceId) {
-            case 0:
-                return R.string.import_youtube_instructions;
-            case 1:
-                return R.string.import_soundcloud_instructions;
-            default:
-                return -1;
-        }
-    }
-
-    /**
-     * For services that support importing from a channel url, return a hint that will
-     * be used in the EditText that the user will type in his channel url.
-     *
-     * @param serviceId service to get the hint for
-     * @return the hint's string resource or -1 if the service don't support it
-     */
-    @StringRes
-    public static int getImportInstructionsHint(final int serviceId) {
-        switch (serviceId) {
-            case 1:
-                return R.string.import_soundcloud_instructions_hint;
-            default:
-                return -1;
-        }
-    }
-
-    public static int getSelectedServiceId(final Context context) {
-        return Optional.ofNullable(getSelectedService(context))
-                .orElse(DEFAULT_FALLBACK_SERVICE)
-                .getServiceId();
-    }
-
-    @Nullable
-    public static StreamingService getSelectedService(final Context context) {
-        final String serviceName = PreferenceManager.getDefaultSharedPreferences(context)
-                .getString(context.getString(R.string.current_service_key),
-                        context.getString(R.string.default_service_value));
-
-        try {
-            return NewPipe.getService(serviceName);
-        } catch (final ExtractionException e) {
-            return null;
-        }
-    }
-
-    @NonNull
-    public static String getNameOfServiceById(final int serviceId) {
-        return ServiceList.all().stream()
-                .filter(s -> s.getServiceId() == serviceId)
-                .findFirst()
-                .map(StreamingService::getServiceInfo)
-                .map(StreamingService.ServiceInfo::getName)
-                .orElse("<unknown>");
-    }
-
-    /**
-     * @param serviceId the id of the service
-     * @return the service corresponding to the provided id
-     * @throws java.util.NoSuchElementException if there is no service with the provided id
-     */
-    @NonNull
-    public static StreamingService getServiceById(final int serviceId) {
-        return ServiceList.all().stream()
-                .filter(s -> s.getServiceId() == serviceId)
-                .findFirst()
-                .orElseThrow();
-    }
-
-    public static void setSelectedServiceId(final Context context, final int serviceId) {
-        String serviceName;
-        try {
-            serviceName = NewPipe.getService(serviceId).getServiceInfo().getName();
-        } catch (final ExtractionException e) {
-            serviceName = DEFAULT_FALLBACK_SERVICE.getServiceInfo().getName();
-        }
-
-        setSelectedServicePreferences(context, serviceName);
-    }
-
-    private static void setSelectedServicePreferences(final Context context,
-                                                      final String serviceName) {
-        PreferenceManager.getDefaultSharedPreferences(context).edit().
-                putString(context.getString(R.string.current_service_key), serviceName).apply();
-    }
-
-    public static long getCacheExpirationMillis(final int serviceId) {
-        if (serviceId == SoundCloud.getServiceId()) {
-            return TimeUnit.MILLISECONDS.convert(5, TimeUnit.MINUTES);
-        } else {
-            return TimeUnit.MILLISECONDS.convert(1, TimeUnit.HOURS);
-        }
-    }
-
-    public static void initService(final Context context, final int serviceId) {
-        if (serviceId == ServiceList.PeerTube.getServiceId()) {
-            final SharedPreferences sharedPreferences = PreferenceManager
-                    .getDefaultSharedPreferences(context);
-            final String json = sharedPreferences.getString(context.getString(
-                    R.string.peertube_selected_instance_key), null);
-            if (null == json) {
-                return;
-            }
-
-            final JsonObject jsonObject;
-            try {
-                jsonObject = JsonParser.object().from(json);
-            } catch (final JsonParserException e) {
-                return;
-            }
-            final String name = jsonObject.getString("name");
-            final String url = jsonObject.getString("url");
-            final PeertubeInstance instance = new PeertubeInstance(url, name);
-            ServiceList.PeerTube.setInstance(instance);
-        }
-    }
-
-    public static void initServices(final Context context) {
-        for (final StreamingService s : ServiceList.all()) {
-            initService(context, s.getServiceId());
-        }
-    }
-}

app/src/main/java/org/schabi/newpipe/util/ServiceHelper.kt

@@ -0,0 +1,168 @@
+/*
+ * SPDX-FileCopyrightText: 2018-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.util
+
+import android.content.Context
+import androidx.annotation.DrawableRes
+import androidx.annotation.StringRes
+import androidx.core.content.edit
+import androidx.preference.PreferenceManager
+import com.grack.nanojson.JsonParser
+import java.util.concurrent.TimeUnit
+import org.schabi.newpipe.R
+import org.schabi.newpipe.extractor.NewPipe
+import org.schabi.newpipe.extractor.ServiceList
+import org.schabi.newpipe.extractor.StreamingService
+import org.schabi.newpipe.extractor.services.peertube.PeertubeInstance
+import org.schabi.newpipe.ktx.getStringSafe
+
+object ServiceHelper {
+    private val DEFAULT_FALLBACK_SERVICE: StreamingService = ServiceList.YouTube
+
+    @JvmStatic
+    @DrawableRes
+    fun getIcon(serviceId: Int): Int {
+        return when (serviceId) {
+            0 -> R.drawable.ic_smart_display
+            1 -> R.drawable.ic_cloud
+            2 -> R.drawable.ic_placeholder_media_ccc
+            3 -> R.drawable.ic_placeholder_peertube
+            4 -> R.drawable.ic_placeholder_bandcamp
+            else -> R.drawable.ic_circle
+        }
+    }
+
+    @JvmStatic
+    fun getTranslatedFilterString(filter: String, context: Context): String {
+        return when (filter) {
+            "all" -> context.getString(R.string.all)
+            "videos", "sepia_videos", "music_videos" -> context.getString(R.string.videos_string)
+            "channels" -> context.getString(R.string.channels)
+            "playlists", "music_playlists" -> context.getString(R.string.playlists)
+            "tracks" -> context.getString(R.string.tracks)
+            "users" -> context.getString(R.string.users)
+            "conferences" -> context.getString(R.string.conferences)
+            "events" -> context.getString(R.string.events)
+            "music_songs" -> context.getString(R.string.songs)
+            "music_albums" -> context.getString(R.string.albums)
+            "music_artists" -> context.getString(R.string.artists)
+            else -> filter
+        }
+    }
+
+    /**
+     * Get a resource string with instructions for importing subscriptions for each service.
+     *
+     * @param serviceId service to get the instructions for
+     * @return the string resource containing the instructions or -1 if the service don't support it
+     */
+    @JvmStatic
+    @StringRes
+    fun getImportInstructions(serviceId: Int): Int {
+        return when (serviceId) {
+            0 -> R.string.import_youtube_instructions
+            1 -> R.string.import_soundcloud_instructions
+            else -> -1
+        }
+    }
+
+    /**
+     * For services that support importing from a channel url, return a hint that will
+     * be used in the EditText that the user will type in his channel url.
+     *
+     * @param serviceId service to get the hint for
+     * @return the hint's string resource or -1 if the service don't support it
+     */
+    @JvmStatic
+    @StringRes
+    fun getImportInstructionsHint(serviceId: Int): Int {
+        return when (serviceId) {
+            1 -> R.string.import_soundcloud_instructions_hint
+            else -> -1
+        }
+    }
+
+    @JvmStatic
+    fun getSelectedServiceId(context: Context): Int {
+        return (getSelectedService(context) ?: DEFAULT_FALLBACK_SERVICE).serviceId
+    }
+
+    @JvmStatic
+    fun getSelectedService(context: Context): StreamingService? {
+        val serviceName: String = PreferenceManager.getDefaultSharedPreferences(context)
+            .getStringSafe(
+                context.getString(R.string.current_service_key),
+                context.getString(R.string.default_service_value)
+            )
+
+        return runCatching { NewPipe.getService(serviceName) }.getOrNull()
+    }
+
+    @JvmStatic
+    fun getNameOfServiceById(serviceId: Int): String {
+        return ServiceList.all().stream()
+            .filter { it.serviceId == serviceId }
+            .findFirst()
+            .map(StreamingService::getServiceInfo)
+            .map(StreamingService.ServiceInfo::getName)
+            .orElse("<unknown>")
+    }
+
+    /**
+     * @param serviceId the id of the service
+     * @return the service corresponding to the provided id
+     * @throws java.util.NoSuchElementException if there is no service with the provided id
+     */
+    @JvmStatic
+    fun getServiceById(serviceId: Int): StreamingService {
+        return ServiceList.all().firstNotNullOf { it.takeIf { it.serviceId == serviceId } }
+    }
+
+    @JvmStatic
+    fun setSelectedServiceId(context: Context, serviceId: Int) {
+        val serviceName = runCatching { NewPipe.getService(serviceId).serviceInfo.name }
+            .getOrDefault(DEFAULT_FALLBACK_SERVICE.serviceInfo.name)
+
+        setSelectedServicePreferences(context, serviceName)
+    }
+
+    private fun setSelectedServicePreferences(context: Context, serviceName: String?) {
+        val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+        sharedPreferences.edit { putString(context.getString(R.string.current_service_key), serviceName) }
+    }
+
+    @JvmStatic
+    fun getCacheExpirationMillis(serviceId: Int): Long {
+        return if (serviceId == ServiceList.SoundCloud.serviceId) {
+            TimeUnit.MILLISECONDS.convert(5, TimeUnit.MINUTES)
+        } else {
+            TimeUnit.MILLISECONDS.convert(1, TimeUnit.HOURS)
+        }
+    }
+
+    fun initService(context: Context, serviceId: Int) {
+        if (serviceId == ServiceList.PeerTube.serviceId) {
+            val sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context)
+            val json = sharedPreferences.getString(
+                context.getString(R.string.peertube_selected_instance_key),
+                null
+            ) ?: return
+
+            val jsonObject = runCatching { JsonParser.`object`().from(json) }
+                .getOrElse { return@initService }
+
+            ServiceList.PeerTube.instance = PeertubeInstance(
+                jsonObject.getString("url"),
+                jsonObject.getString("name")
+            )
+        }
+    }
+
+    @JvmStatic
+    fun initServices(context: Context) {
+        ServiceList.all().forEach { initService(context, it.serviceId) }
+    }
+}

app/src/main/java/org/schabi/newpipe/util/StreamTypeUtil.java

@@ -1,50 +0,0 @@
-package org.schabi.newpipe.util;
-
-import org.schabi.newpipe.extractor.stream.StreamType;
-
-/**
- * Utility class for {@link StreamType}.
- */
-public final class StreamTypeUtil {
-    private StreamTypeUtil() {
-        // No impl pls
-    }
-
-    /**
-     * Check if the {@link StreamType} of a stream is a livestream.
-     *
-     * @param streamType the stream type of the stream
-     * @return whether the stream type is {@link StreamType#AUDIO_STREAM},
-     * {@link StreamType#AUDIO_LIVE_STREAM} or {@link StreamType#POST_LIVE_AUDIO_STREAM}
-     */
-    public static boolean isAudio(final StreamType streamType) {
-        return streamType == StreamType.AUDIO_STREAM
-                || streamType == StreamType.AUDIO_LIVE_STREAM
-                || streamType == StreamType.POST_LIVE_AUDIO_STREAM;
-    }
-
-    /**
-     * Check if the {@link StreamType} of a stream is a livestream.
-     *
-     * @param streamType the stream type of the stream
-     * @return whether the stream type is {@link StreamType#VIDEO_STREAM},
-     * {@link StreamType#LIVE_STREAM} or {@link StreamType#POST_LIVE_STREAM}
-     */
-    public static boolean isVideo(final StreamType streamType) {
-        return streamType == StreamType.VIDEO_STREAM
-                || streamType == StreamType.LIVE_STREAM
-                || streamType == StreamType.POST_LIVE_STREAM;
-    }
-
-    /**
-     * Check if the {@link StreamType} of a stream is a livestream.
-     *
-     * @param streamType the stream type of the stream
-     * @return whether the stream type is {@link StreamType#LIVE_STREAM} or
-     * {@link StreamType#AUDIO_LIVE_STREAM}
-     */
-    public static boolean isLiveStream(final StreamType streamType) {
-        return streamType == StreamType.LIVE_STREAM
-                || streamType == StreamType.AUDIO_LIVE_STREAM;
-    }
-}

app/src/main/java/org/schabi/newpipe/util/StreamTypeUtil.kt

@@ -0,0 +1,54 @@
+/*
+ * SPDX-FileCopyrightText: 2021-2026 NewPipe contributors <https://newpipe.net>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.util
+
+import org.schabi.newpipe.extractor.stream.StreamType
+
+/**
+ * Utility class for [StreamType].
+ */
+object StreamTypeUtil {
+    /**
+     * Check if the [StreamType] of a stream is a livestream.
+     *
+     * @param streamType the stream type of the stream
+     * @return whether the stream type is [StreamType.AUDIO_STREAM],
+     * [StreamType.AUDIO_LIVE_STREAM] or [StreamType.POST_LIVE_AUDIO_STREAM]
+     */
+    @JvmStatic
+    fun isAudio(streamType: StreamType): Boolean {
+        return streamType == StreamType.AUDIO_STREAM ||
+            streamType == StreamType.AUDIO_LIVE_STREAM ||
+            streamType == StreamType.POST_LIVE_AUDIO_STREAM
+    }
+
+    /**
+     * Check if the [StreamType] of a stream is a livestream.
+     *
+     * @param streamType the stream type of the stream
+     * @return whether the stream type is [StreamType.VIDEO_STREAM],
+     * [StreamType.LIVE_STREAM] or [StreamType.POST_LIVE_STREAM]
+     */
+    @JvmStatic
+    fun isVideo(streamType: StreamType): Boolean {
+        return streamType == StreamType.VIDEO_STREAM ||
+            streamType == StreamType.LIVE_STREAM ||
+            streamType == StreamType.POST_LIVE_STREAM
+    }
+
+    /**
+     * Check if the [StreamType] of a stream is a livestream.
+     *
+     * @param streamType the stream type of the stream
+     * @return whether the stream type is [StreamType.LIVE_STREAM] or
+     * [StreamType.AUDIO_LIVE_STREAM]
+     */
+    @JvmStatic
+    fun isLiveStream(streamType: StreamType): Boolean {
+        return streamType == StreamType.LIVE_STREAM ||
+            streamType == StreamType.AUDIO_LIVE_STREAM
+    }
+}

app/src/main/java/org/schabi/newpipe/util/external_communication/ShareUtils.java

@@ -1,6 +1,7 @@
 package org.schabi.newpipe.util.external_communication;
 
 import static org.schabi.newpipe.MainActivity.DEBUG;
+import static coil3.Image_androidKt.toBitmap;
 
 import android.content.ActivityNotFoundException;
 import android.content.ClipData;
@@ -9,6 +10,7 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.os.Build;
 import android.text.TextUtils;
@@ -25,12 +27,15 @@ import org.schabi.newpipe.R;
 import org.schabi.newpipe.RouterActivity;
 import org.schabi.newpipe.extractor.Image;
 import org.schabi.newpipe.util.image.ImageStrategy;
-import org.schabi.newpipe.util.image.PicassoHelper;
 
-import java.io.File;
-import java.io.FileOutputStream;
+import java.nio.file.Files;
+import java.util.Collections;
 import java.util.List;
 
+import coil3.SingletonImageLoader;
+import coil3.disk.DiskCache;
+import coil3.memory.MemoryCache;
+
 public final class ShareUtils {
     private static final String TAG = ShareUtils.class.getSimpleName();
 
@@ -273,7 +278,7 @@ public final class ShareUtils {
      * @param content the content to share
      * @param images  a set of possible {@link Image}s of the subject, among which to choose with
      *                {@link ImageStrategy#choosePreferredImage(List)} since that's likely to
-     *                provide an image that is in Picasso's cache
+     *                provide an image that is in Coil's cache
      */
     public static void shareText(@NonNull final Context context,
                                  @NonNull final String title,
@@ -334,11 +339,9 @@ public final class ShareUtils {
      *
      * <p>
      * In order not to worry about network issues (timeouts, DNS issues, low connection speed, ...)
-     * when sharing a content, only images in the {@link com.squareup.picasso.LruCache LruCache}
-     * used by the Picasso library inside {@link PicassoHelper} are used as preview images. If the
-     * thumbnail image is not in the cache, no {@link ClipData} will be generated and {@code null}
-     * will be returned.
-     * </p>
+     * when sharing a content, only images in the {@link MemoryCache} or {@link DiskCache}
+     * used by the Coil library are used as preview images. If the thumbnail image is not in the
+     * cache, no {@link ClipData} will be generated and {@code null} will be returned.
      *
      * <p>
      * In order to display the image in the content preview of the Android share sheet, an URI of
@@ -354,12 +357,6 @@ public final class ShareUtils {
      * </p>
      *
      * <p>
-     * This method will call {@link PicassoHelper#getImageFromCacheIfPresent(String)} to get the
-     * thumbnail of the content in the {@link com.squareup.picasso.LruCache LruCache} used by
-     * the Picasso library inside {@link PicassoHelper}.
-     * </p>
-     *
-     * <p>
      * Using the result of this method when sharing has only an effect on the system share sheet (if
      * OEMs didn't change Android system standard behavior) on Android API 29 and higher.
      * </p>
@@ -373,33 +370,46 @@ public final class ShareUtils {
             @NonNull final Context context,
             @NonNull final String thumbnailUrl) {
         try {
-            final Bitmap bitmap = PicassoHelper.getImageFromCacheIfPresent(thumbnailUrl);
-            if (bitmap == null) {
-                return null;
-            }
-
             // Save the image in memory to the application's cache because we need a URI to the
             // image to generate a ClipData which will show the share sheet, and so an image file
             final Context applicationContext = context.getApplicationContext();
-            final String appFolder = applicationContext.getCacheDir().getAbsolutePath();
-            final File thumbnailPreviewFile = new File(appFolder
-                    + "/android_share_sheet_image_preview.jpg");
+            final var loader = SingletonImageLoader.get(context);
+            final var value = loader.getMemoryCache()
+                    .get(new MemoryCache.Key(thumbnailUrl, Collections.emptyMap()));
 
-            // Any existing file will be overwritten with FileOutputStream
-            final FileOutputStream fileOutputStream = new FileOutputStream(thumbnailPreviewFile);
-            bitmap.compress(Bitmap.CompressFormat.JPEG, 90, fileOutputStream);
-            fileOutputStream.close();
+            final Bitmap cachedBitmap;
+            if (value != null) {
+                cachedBitmap = toBitmap(value.getImage());
+            } else {
+                try (var snapshot = loader.getDiskCache().openSnapshot(thumbnailUrl)) {
+                    if (snapshot != null) {
+                        cachedBitmap = BitmapFactory.decodeFile(snapshot.getData().toString());
+                    } else {
+                        cachedBitmap = null;
+                    }
+                }
+            }
+
+            if (cachedBitmap == null) {
+                return null;
+            }
+
+            final var path = applicationContext.getCacheDir().toPath()
+                    .resolve("android_share_sheet_image_preview.jpg");
+            // Any existing file will be overwritten
+            try (var outputStream = Files.newOutputStream(path)) {
+                cachedBitmap.compress(Bitmap.CompressFormat.JPEG, 90, outputStream);
+            }
 
             final ClipData clipData = ClipData.newUri(applicationContext.getContentResolver(), "",
-                        FileProvider.getUriForFile(applicationContext,
-                                BuildConfig.APPLICATION_ID + ".provider",
-                                thumbnailPreviewFile));
+                    FileProvider.getUriForFile(applicationContext,
+                            BuildConfig.APPLICATION_ID + ".provider",
+                            path.toFile()));
 
             if (DEBUG) {
                 Log.d(TAG, "ClipData successfully generated for Android share sheet: " + clipData);
             }
             return clipData;
-
         } catch (final Exception e) {
             Log.w(TAG, "Error when setting preview image for share sheet", e);
             return null;

app/src/main/java/org/schabi/newpipe/util/image/CoilHelper.kt

@@ -0,0 +1,185 @@
+package org.schabi.newpipe.util.image
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.util.Log
+import android.widget.ImageView
+import androidx.annotation.DrawableRes
+import coil3.executeBlocking
+import coil3.imageLoader
+import coil3.request.Disposable
+import coil3.request.ImageRequest
+import coil3.request.error
+import coil3.request.placeholder
+import coil3.request.target
+import coil3.request.transformations
+import coil3.size.Size
+import coil3.target.Target
+import coil3.toBitmap
+import coil3.transform.Transformation
+import kotlin.math.min
+import org.schabi.newpipe.MainActivity
+import org.schabi.newpipe.R
+import org.schabi.newpipe.extractor.Image
+import org.schabi.newpipe.ktx.scale
+
+object CoilHelper {
+    private val TAG = CoilHelper::class.java.simpleName
+
+    @JvmOverloads
+    fun loadBitmapBlocking(
+        context: Context,
+        url: String?,
+        @DrawableRes placeholderResId: Int = 0
+    ): Bitmap? = context.imageLoader
+        .executeBlocking(getImageRequest(context, url, placeholderResId).build())
+        .image
+        ?.toBitmap()
+
+    fun loadAvatar(
+        target: ImageView,
+        images: List<Image>
+    ) {
+        loadImageDefault(target, images, R.drawable.placeholder_person)
+    }
+
+    fun loadAvatar(
+        target: ImageView,
+        url: String?
+    ) {
+        loadImageDefault(target, url, R.drawable.placeholder_person)
+    }
+
+    fun loadThumbnail(
+        target: ImageView,
+        images: List<Image>
+    ) {
+        loadImageDefault(target, images, R.drawable.placeholder_thumbnail_video)
+    }
+
+    fun loadThumbnail(
+        target: ImageView,
+        url: String?
+    ) {
+        loadImageDefault(target, url, R.drawable.placeholder_thumbnail_video)
+    }
+
+    fun loadScaledDownThumbnail(
+        context: Context,
+        images: List<Image>,
+        target: Target
+    ): Disposable {
+        val url = ImageStrategy.choosePreferredImage(images)
+        val request =
+            getImageRequest(context, url, R.drawable.placeholder_thumbnail_video)
+                .target(target)
+                .transformations(
+                    object : Transformation() {
+                        override val cacheKey = "COIL_PLAYER_THUMBNAIL_TRANSFORMATION_KEY"
+
+                        override suspend fun transform(
+                            input: Bitmap,
+                            size: Size
+                        ): Bitmap {
+                            if (MainActivity.DEBUG) {
+                                Log.d(TAG, "Thumbnail - transform() called")
+                            }
+
+                            val notificationThumbnailWidth =
+                                min(
+                                    context.resources.getDimension(R.dimen.player_notification_thumbnail_width),
+                                    input.width.toFloat()
+                                ).toInt()
+
+                            var newHeight = input.height / (input.width / notificationThumbnailWidth)
+                            val result = input.scale(notificationThumbnailWidth, newHeight)
+
+                            return if (result == input || !result.isMutable) {
+                                // create a new mutable bitmap to prevent strange crashes on some
+                                // devices (see #4638)
+                                newHeight = input.height / (input.width / (notificationThumbnailWidth - 1))
+                                input.scale(notificationThumbnailWidth, newHeight)
+                            } else {
+                                result
+                            }
+                        }
+                    }
+                ).build()
+
+        return context.imageLoader.enqueue(request)
+    }
+
+    fun loadDetailsThumbnail(
+        target: ImageView,
+        images: List<Image>
+    ) {
+        val url = ImageStrategy.choosePreferredImage(images)
+        loadImageDefault(target, url, R.drawable.placeholder_thumbnail_video, false)
+    }
+
+    fun loadBanner(
+        target: ImageView,
+        images: List<Image>
+    ) {
+        loadImageDefault(target, images, R.drawable.placeholder_channel_banner)
+    }
+
+    fun loadPlaylistThumbnail(
+        target: ImageView,
+        images: List<Image>
+    ) {
+        loadImageDefault(target, images, R.drawable.placeholder_thumbnail_playlist)
+    }
+
+    fun loadPlaylistThumbnail(
+        target: ImageView,
+        url: String?
+    ) {
+        loadImageDefault(target, url, R.drawable.placeholder_thumbnail_playlist)
+    }
+
+    private fun loadImageDefault(
+        target: ImageView,
+        images: List<Image>,
+        @DrawableRes placeholderResId: Int
+    ) {
+        loadImageDefault(target, ImageStrategy.choosePreferredImage(images), placeholderResId)
+    }
+
+    private fun loadImageDefault(
+        target: ImageView,
+        url: String?,
+        @DrawableRes placeholderResId: Int,
+        showPlaceholder: Boolean = true
+    ) {
+        val request =
+            getImageRequest(target.context, url, placeholderResId, showPlaceholder)
+                .target(target)
+                .build()
+        target.context.imageLoader.enqueue(request)
+    }
+
+    private fun getImageRequest(
+        context: Context,
+        url: String?,
+        @DrawableRes placeholderResId: Int,
+        showPlaceholderWhileLoading: Boolean = true
+    ): ImageRequest.Builder {
+        // if the URL was chosen with `choosePreferredImage` it will be null, but check again
+        // `shouldLoadImages` in case the URL was chosen with `imageListToDbUrl` (which is the case
+        // for URLs stored in the database)
+        val takenUrl = url?.takeIf { it.isNotEmpty() && ImageStrategy.shouldLoadImages() }
+
+        return ImageRequest
+            .Builder(context)
+            .data(takenUrl)
+            .error(placeholderResId)
+            .memoryCacheKey(takenUrl)
+            .diskCacheKey(takenUrl)
+            .apply {
+                if (takenUrl != null || showPlaceholderWhileLoading) {
+                    placeholder(placeholderResId)
+                }
+            }
+    }
+}

app/src/main/java/org/schabi/newpipe/util/image/PicassoHelper.java

@@ -1,224 +0,0 @@
-package org.schabi.newpipe.util.image;
-
-import static org.schabi.newpipe.MainActivity.DEBUG;
-import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
-import static org.schabi.newpipe.util.image.ImageStrategy.choosePreferredImage;
-
-import android.annotation.SuppressLint;
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.util.Log;
-
-import androidx.annotation.DrawableRes;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.core.graphics.BitmapCompat;
-
-import com.squareup.picasso.Cache;
-import com.squareup.picasso.LruCache;
-import com.squareup.picasso.OkHttp3Downloader;
-import com.squareup.picasso.Picasso;
-import com.squareup.picasso.RequestCreator;
-import com.squareup.picasso.Transformation;
-
-import org.schabi.newpipe.R;
-import org.schabi.newpipe.extractor.Image;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-import java.util.concurrent.TimeUnit;
-
-import okhttp3.OkHttpClient;
-
-public final class PicassoHelper {
-    private static final String TAG = PicassoHelper.class.getSimpleName();
-    private static final String PLAYER_THUMBNAIL_TRANSFORMATION_KEY =
-            "PICASSO_PLAYER_THUMBNAIL_TRANSFORMATION_KEY";
-
-    private PicassoHelper() {
-    }
-
-    private static Cache picassoCache;
-    private static OkHttpClient picassoDownloaderClient;
-
-    // suppress because terminate() is called in App.onTerminate(), preventing leaks
-    @SuppressLint("StaticFieldLeak")
-    private static Picasso picassoInstance;
-
-
-    public static void init(final Context context) {
-        picassoCache = new LruCache(10 * 1024 * 1024);
-        picassoDownloaderClient = new OkHttpClient.Builder()
-                .cache(new okhttp3.Cache(new File(context.getExternalCacheDir(), "picasso"),
-                        50L * 1024L * 1024L))
-                // this should already be the default timeout in OkHttp3, but just to be sure...
-                .callTimeout(15, TimeUnit.SECONDS)
-                .build();
-
-        picassoInstance = new Picasso.Builder(context)
-                .memoryCache(picassoCache) // memory cache
-                .downloader(new OkHttp3Downloader(picassoDownloaderClient)) // disk cache
-                .defaultBitmapConfig(Bitmap.Config.RGB_565)
-                .build();
-    }
-
-    public static void terminate() {
-        picassoCache = null;
-        picassoDownloaderClient = null;
-
-        if (picassoInstance != null) {
-            picassoInstance.shutdown();
-            picassoInstance = null;
-        }
-    }
-
-    public static void clearCache(final Context context) throws IOException {
-        picassoInstance.shutdown();
-        picassoCache.clear(); // clear memory cache
-        final okhttp3.Cache diskCache = picassoDownloaderClient.cache();
-        if (diskCache != null) {
-            diskCache.delete(); // clear disk cache
-        }
-        init(context);
-    }
-
-    public static void cancelTag(final Object tag) {
-        picassoInstance.cancelTag(tag);
-    }
-
-    public static void setIndicatorsEnabled(final boolean enabled) {
-        picassoInstance.setIndicatorsEnabled(enabled); // useful for debugging
-    }
-
-
-    public static RequestCreator loadAvatar(@NonNull final List<Image> images) {
-        return loadImageDefault(images, R.drawable.placeholder_person);
-    }
-
-    public static RequestCreator loadAvatar(@Nullable final String url) {
-        return loadImageDefault(url, R.drawable.placeholder_person);
-    }
-
-    public static RequestCreator loadThumbnail(@NonNull final List<Image> images) {
-        return loadImageDefault(images, R.drawable.placeholder_thumbnail_video);
-    }
-
-    public static RequestCreator loadThumbnail(@Nullable final String url) {
-        return loadImageDefault(url, R.drawable.placeholder_thumbnail_video);
-    }
-
-    public static RequestCreator loadDetailsThumbnail(@NonNull final List<Image> images) {
-        return loadImageDefault(choosePreferredImage(images),
-                R.drawable.placeholder_thumbnail_video, false);
-    }
-
-    public static RequestCreator loadBanner(@NonNull final List<Image> images) {
-        return loadImageDefault(images, R.drawable.placeholder_channel_banner);
-    }
-
-    public static RequestCreator loadPlaylistThumbnail(@NonNull final List<Image> images) {
-        return loadImageDefault(images, R.drawable.placeholder_thumbnail_playlist);
-    }
-
-    public static RequestCreator loadPlaylistThumbnail(@Nullable final String url) {
-        return loadImageDefault(url, R.drawable.placeholder_thumbnail_playlist);
-    }
-
-    public static RequestCreator loadSeekbarThumbnailPreview(@Nullable final String url) {
-        return picassoInstance.load(url);
-    }
-
-    public static RequestCreator loadNotificationIcon(@Nullable final String url) {
-        return loadImageDefault(url, R.drawable.ic_newpipe_triangle_white);
-    }
-
-
-    public static RequestCreator loadScaledDownThumbnail(final Context context,
-                                                         @NonNull final List<Image> images) {
-        // scale down the notification thumbnail for performance
-        return PicassoHelper.loadThumbnail(images)
-                .transform(new Transformation() {
-                    @Override
-                    public Bitmap transform(final Bitmap source) {
-                        if (DEBUG) {
-                            Log.d(TAG, "Thumbnail - transform() called");
-                        }
-
-                        final float notificationThumbnailWidth = Math.min(
-                                context.getResources()
-                                        .getDimension(R.dimen.player_notification_thumbnail_width),
-                                source.getWidth());
-
-                        final Bitmap result = BitmapCompat.createScaledBitmap(
-                                source,
-                                (int) notificationThumbnailWidth,
-                                (int) (source.getHeight()
-                                        / (source.getWidth() / notificationThumbnailWidth)),
-                                null,
-                                true);
-
-                        if (result == source || !result.isMutable()) {
-                            // create a new mutable bitmap to prevent strange crashes on some
-                            // devices (see #4638)
-                            final Bitmap copied = BitmapCompat.createScaledBitmap(
-                                    source,
-                                    (int) notificationThumbnailWidth - 1,
-                                    (int) (source.getHeight() / (source.getWidth()
-                                            / (notificationThumbnailWidth - 1))),
-                                    null,
-                                    true);
-                            source.recycle();
-                            return copied;
-                        } else {
-                            source.recycle();
-                            return result;
-                        }
-                    }
-
-                    @Override
-                    public String key() {
-                        return PLAYER_THUMBNAIL_TRANSFORMATION_KEY;
-                    }
-                });
-    }
-
-    @Nullable
-    public static Bitmap getImageFromCacheIfPresent(@NonNull final String imageUrl) {
-        // URLs in the internal cache finish with \n so we need to add \n to image URLs
-        return picassoCache.get(imageUrl + "\n");
-    }
-
-
-    private static RequestCreator loadImageDefault(@NonNull final List<Image> images,
-                                                   @DrawableRes final int placeholderResId) {
-        return loadImageDefault(choosePreferredImage(images), placeholderResId);
-    }
-
-    private static RequestCreator loadImageDefault(@Nullable final String url,
-                                                   @DrawableRes final int placeholderResId) {
-        return loadImageDefault(url, placeholderResId, true);
-    }
-
-    private static RequestCreator loadImageDefault(@Nullable final String url,
-                                                   @DrawableRes final int placeholderResId,
-                                                   final boolean showPlaceholderWhileLoading) {
-        // if the URL was chosen with `choosePreferredImage` it will be null, but check again
-        // `shouldLoadImages` in case the URL was chosen with `imageListToDbUrl` (which is the case
-        // for URLs stored in the database)
-        if (isNullOrEmpty(url) || !ImageStrategy.shouldLoadImages()) {
-            return picassoInstance
-                    .load((String) null)
-                    .placeholder(placeholderResId) // show placeholder when no image should load
-                    .error(placeholderResId);
-        } else {
-            final RequestCreator requestCreator = picassoInstance
-                    .load(url)
-                    .error(placeholderResId);
-            if (showPlaceholderWhileLoading) {
-                requestCreator.placeholder(placeholderResId);
-            }
-            return requestCreator;
-        }
-    }
-}

app/src/main/java/org/schabi/newpipe/util/potoken/PoTokenProviderImpl.kt

@@ -78,7 +78,7 @@ object PoTokenProviderImpl : PoTokenProvider {
 
                     // create a new webPoTokenGenerator
                     webPoTokenGenerator = PoTokenWebView
-                        .newPoTokenGenerator(App.getApp()).blockingGet()
+                        .newPoTokenGenerator(App.instance).blockingGet()
 
                     // The streaming poToken needs to be generated exactly once before generating
                     // any other (player) tokens.

app/src/main/java/org/schabi/newpipe/views/FocusOverlayView.java

@@ -40,7 +40,6 @@ import android.view.Window;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.RequiresApi;
-import androidx.appcompat.view.WindowCallbackWrapper;
 
 import org.schabi.newpipe.R;
 
@@ -232,7 +231,7 @@ public final class FocusOverlayView extends Drawable implements
         // Unfortunately many such forms of "scrolling" do not count as scrolling for purpose
         // of dispatching ViewTreeObserver callbacks, so we have to intercept them by directly
         // receiving keys from Window.
-        window.setCallback(new WindowCallbackWrapper(window.getCallback()) {
+        window.setCallback(new SimpleWindowCallback(window.getCallback()) {
             @Override
             public boolean dispatchKeyEvent(final KeyEvent event) {
                 final boolean res = super.dispatchKeyEvent(event);

app/src/main/java/org/schabi/newpipe/views/SimpleWindowCallback.kt

@@ -0,0 +1,39 @@
+/*
+ * SPDX-FileCopyrightText: 2026 NewPipe e.V. <https://newpipe-ev.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+package org.schabi.newpipe.views
+
+import android.os.Build
+import android.view.KeyEvent
+import android.view.KeyboardShortcutGroup
+import android.view.Menu
+import android.view.Window
+import androidx.annotation.RequiresApi
+
+/**
+ * Simple window callback class to allow intercepting key events
+ * @see FocusOverlayView.setupOverlay
+ */
+open class SimpleWindowCallback(private val baseCallback: Window.Callback) :
+    Window.Callback by baseCallback {
+
+    override fun dispatchKeyEvent(event: KeyEvent?): Boolean {
+        return baseCallback.dispatchKeyEvent(event)
+    }
+
+    @RequiresApi(Build.VERSION_CODES.O)
+    override fun onPointerCaptureChanged(hasCapture: Boolean) {
+        baseCallback.onPointerCaptureChanged(hasCapture)
+    }
+
+    @RequiresApi(Build.VERSION_CODES.N)
+    override fun onProvideKeyboardShortcuts(
+        data: List<KeyboardShortcutGroup?>?,
+        menu: Menu?,
+        deviceId: Int
+    ) {
+        baseCallback.onProvideKeyboardShortcuts(data, menu, deviceId)
+    }
+}

app/src/main/java/us/shandian/giga/get/DownloadRunnableFallback.java

@@ -21,7 +21,7 @@ import static us.shandian.giga.get.DownloadMission.ERROR_HTTP_FORBIDDEN;
  * Single-threaded fallback mode
  */
 public class DownloadRunnableFallback extends Thread {
-    private static final String TAG = "DownloadRunnableFallback";
+    private static final String TAG = "DLRunnableFallback";
 
     private final DownloadMission mMission;
 

app/src/main/java/us/shandian/giga/get/sqlite/FinishedMissionStore.java

@@ -102,14 +102,23 @@ public class FinishedMissionStore extends SQLiteOpenHelper {
                 db.beginTransaction();
                 while (cursor.moveToNext()) {
                     ContentValues values = new ContentValues();
-                    values.put(KEY_SOURCE, cursor.getString(cursor.getColumnIndex(KEY_SOURCE)));
-                    values.put(KEY_DONE, cursor.getString(cursor.getColumnIndex(KEY_DONE)));
-                    values.put(KEY_TIMESTAMP, cursor.getLong(cursor.getColumnIndex(KEY_TIMESTAMP)));
-                    values.put(KEY_KIND, cursor.getString(cursor.getColumnIndex(KEY_KIND)));
+                    values.put(
+                            KEY_SOURCE,
+                            cursor.getString(cursor.getColumnIndexOrThrow(KEY_SOURCE))
+                    );
+                    values.put(
+                            KEY_DONE,
+                            cursor.getString(cursor.getColumnIndexOrThrow(KEY_DONE))
+                    );
+                    values.put(
+                            KEY_TIMESTAMP,
+                            cursor.getLong(cursor.getColumnIndexOrThrow(KEY_TIMESTAMP))
+                    );
+                    values.put(KEY_KIND, cursor.getString(cursor.getColumnIndexOrThrow(KEY_KIND)));
                     values.put(KEY_PATH, Uri.fromFile(
                             new File(
-                                    cursor.getString(cursor.getColumnIndex(KEY_LOCATION)),
-                                    cursor.getString(cursor.getColumnIndex(KEY_NAME))
+                                    cursor.getString(cursor.getColumnIndexOrThrow(KEY_LOCATION)),
+                                    cursor.getString(cursor.getColumnIndexOrThrow(KEY_NAME))
                             )
                     ).toString());
 
@@ -141,7 +150,8 @@ public class FinishedMissionStore extends SQLiteOpenHelper {
     }
 
     private FinishedMission getMissionFromCursor(Cursor cursor) {
-        String kind = Objects.requireNonNull(cursor).getString(cursor.getColumnIndex(KEY_KIND));
+        String kind = Objects.requireNonNull(cursor)
+                .getString(cursor.getColumnIndexOrThrow(KEY_KIND));
         if (kind == null || kind.isEmpty()) kind = "?";
 
         String path = cursor.getString(cursor.getColumnIndexOrThrow(KEY_PATH));

app/src/main/java/us/shandian/giga/postprocessing/TtmlConverter.java

@@ -29,9 +29,12 @@ class TtmlConverter extends Postprocessing {
 
             try {
                 writer.build(sources[0]);
+            } catch (IOException err) {
+                Log.e(TAG, "subtitle conversion failed due to I/O error", err);
+                throw err;
             } catch (Exception err) {
-                Log.e(TAG, "subtitle parse failed", err);
-                return err instanceof IOException ? 1 : 8;
+                Log.e(TAG, "subtitle conversion failed", err);
+                throw new IOException("TTML to SRT conversion failed", err);
             }
 
             return OK_RESULT;