Chromecast rework (#5518)

24 files changed, 70 insertions, 867 deletions

diff --git a/app/build.gradle b/app/build.gradle
index 87dea29de..3dcf7fe1e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -116,6 +116,8 @@ dependencies {
     implementation project(':net:sync:gpoddernet')
     implementation project(':net:sync:model')
     implementation project(':parser:feed')
+    implementation project(':playback:base')
+    implementation project(':playback:cast')
     implementation project(':ui:app-start-intent')
     implementation project(':ui:common')
 
diff --git a/app/src/androidTest/java/de/test/antennapod/playback/PlaybackTest.java b/app/src/androidTest/java/de/test/antennapod/playback/PlaybackTest.java
index 9f7af3a16..2ab2361d7 100644
--- a/app/src/androidTest/java/de/test/antennapod/playback/PlaybackTest.java
+++ b/app/src/androidTest/java/de/test/antennapod/playback/PlaybackTest.java
@@ -11,6 +11,7 @@ import androidx.test.platform.app.InstrumentationRegistry;
 import androidx.test.rule.ActivityTestRule;
 
 import de.danoeh.antennapod.model.feed.FeedItemFilter;
+import de.danoeh.antennapod.playback.base.PlayerStatus;
 import org.awaitility.Awaitility;
 import org.hamcrest.Matcher;
 import org.junit.After;
@@ -32,7 +33,6 @@ import de.danoeh.antennapod.model.feed.FeedMedia;
 import de.danoeh.antennapod.core.preferences.PlaybackPreferences;
 import de.danoeh.antennapod.core.preferences.UserPreferences;
 import de.danoeh.antennapod.core.service.playback.PlaybackService;
-import de.danoeh.antennapod.core.service.playback.PlayerStatus;
 import de.danoeh.antennapod.core.storage.DBReader;
 import de.danoeh.antennapod.core.storage.DBWriter;
 import de.danoeh.antennapod.core.util.IntentUtils;
diff --git a/app/src/androidTest/java/de/test/antennapod/service/playback/CancelablePSMPCallback.java b/app/src/androidTest/java/de/test/antennapod/service/playback/CancelablePSMPCallback.java
index 2c164f131..4d57b9b43 100644
--- a/app/src/androidTest/java/de/test/antennapod/service/playback/CancelablePSMPCallback.java
+++ b/app/src/androidTest/java/de/test/antennapod/service/playback/CancelablePSMPCallback.java
@@ -1,9 +1,10 @@
 package de.test.antennapod.service.playback;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import de.danoeh.antennapod.model.playback.MediaType;
-import de.danoeh.antennapod.core.service.playback.PlaybackServiceMediaPlayer;
 import de.danoeh.antennapod.model.playback.Playable;
+import de.danoeh.antennapod.playback.base.PlaybackServiceMediaPlayer;
 
 public class CancelablePSMPCallback implements PlaybackServiceMediaPlayer.PSMPCallback {
 
@@ -43,14 +44,6 @@ public class CancelablePSMPCallback implements PlaybackServiceMediaPlayer.PSMPCa
     }
 
     @Override
-    public boolean onMediaPlayerInfo(int code, int resourceId) {
-        if (isCancelled) {
-            return true;
-        }
-        return originalCallback.onMediaPlayerInfo(code, resourceId);
-    }
-
-    @Override
     public void onPostPlayback(@NonNull Playable media, boolean ended, boolean skipped, boolean playingNext) {
         if (isCancelled) {
             return;
@@ -82,6 +75,15 @@ public class CancelablePSMPCallback implements PlaybackServiceMediaPlayer.PSMPCa
         return originalCallback.getNextInQueue(currentMedia);
     }
 
+    @Nullable
+    @Override
+    public Playable findMedia(@NonNull String url) {
+        if (isCancelled) {
+            return null;
+        }
+        return originalCallback.findMedia(url);
+    }
+
     @Override
     public void onPlaybackEnded(MediaType mediaType, boolean stopPlaying) {
         if (isCancelled) {
@@ -89,4 +91,12 @@ public class CancelablePSMPCallback implements PlaybackServiceMediaPlayer.PSMPCa
         }
         originalCallback.onPlaybackEnded(mediaType, stopPlaying);
     }
+
+    @Override
+    public void ensureMediaInfoLoaded(@NonNull Playable media) {
+        if (isCancelled) {
+            return;
+        }
+        originalCallback.ensureMediaInfoLoaded(media);
+    }
 }
\ No newline at end of file
diff --git a/app/src/androidTest/java/de/test/antennapod/service/playback/DefaultPSMPCallback.java b/app/src/androidTest/java/de/test/antennapod/service/playback/DefaultPSMPCallback.java
index 090a94d6e..fb55c7ad0 100644
--- a/app/src/androidTest/java/de/test/antennapod/service/playback/DefaultPSMPCallback.java
+++ b/app/src/androidTest/java/de/test/antennapod/service/playback/DefaultPSMPCallback.java
@@ -1,54 +1,59 @@
 package de.test.antennapod.service.playback;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.StringRes;
+import androidx.annotation.Nullable;
 import de.danoeh.antennapod.model.playback.MediaType;
-import de.danoeh.antennapod.core.service.playback.PlaybackServiceMediaPlayer;
 import de.danoeh.antennapod.model.playback.Playable;
+import de.danoeh.antennapod.playback.base.PlaybackServiceMediaPlayer;
 
 public class DefaultPSMPCallback implements PlaybackServiceMediaPlayer.PSMPCallback {
-        @Override
-        public void statusChanged(PlaybackServiceMediaPlayer.PSMPInfo newInfo) {
+    @Override
+    public void statusChanged(PlaybackServiceMediaPlayer.PSMPInfo newInfo) {
 
-        }
+    }
 
-        @Override
-        public void shouldStop() {
+    @Override
+    public void shouldStop() {
 
-        }
+    }
 
-        @Override
-        public void onMediaChanged(boolean reloadUI) {
+    @Override
+    public void onMediaChanged(boolean reloadUI) {
 
-        }
+    }
 
-        @Override
-        public boolean onMediaPlayerInfo(int code, @StringRes int resourceId) {
-            return false;
-        }
+    @Override
+    public void onPostPlayback(@NonNull Playable media, boolean ended, boolean skipped, boolean playingNext) {
 
-        @Override
-        public void onPostPlayback(@NonNull Playable media, boolean ended, boolean skipped, boolean playingNext) {
+    }
 
-        }
+    @Override
+    public void onPlaybackStart(@NonNull Playable playable, int position) {
 
-        @Override
-        public void onPlaybackStart(@NonNull Playable playable, int position) {
+    }
 
-        }
+    @Override
+    public void onPlaybackPause(Playable playable, int position) {
 
-        @Override
-        public void onPlaybackPause(Playable playable, int position) {
+    }
 
-        }
+    @Override
+    public Playable getNextInQueue(Playable currentMedia) {
+        return null;
+    }
 
-        @Override
-        public Playable getNextInQueue(Playable currentMedia) {
-            return null;
-        }
+    @Nullable
+    @Override
+    public Playable findMedia(@NonNull String url) {
+        return null;
+    }
 
-        @Override
-        public void onPlaybackEnded(MediaType mediaType, boolean stopPlaying) {
+    @Override
+    public void onPlaybackEnded(MediaType mediaType, boolean stopPlaying) {
 
-        }
-    }
\ No newline at end of file
+    }
+
+    @Override
+    public void ensureMediaInfoLoaded(@NonNull Playable media) {
+    }
+}
\ No newline at end of file
diff --git a/app/src/androidTest/java/de/test/antennapod/service/playback/PlaybackServiceMediaPlayerTest.java b/app/src/androidTest/java/de/test/antennapod/service/playback/PlaybackServiceMediaPlayerTest.java
index 87a5fa65c..32298200e 100644
--- a/app/src/androidTest/java/de/test/antennapod/service/playback/PlaybackServiceMediaPlayerTest.java
+++ b/app/src/androidTest/java/de/test/antennapod/service/playback/PlaybackServiceMediaPlayerTest.java
@@ -5,6 +5,8 @@ import android.content.Context;
 import androidx.test.filters.MediumTest;
 
 import de.danoeh.antennapod.model.feed.VolumeAdaptionSetting;
+import de.danoeh.antennapod.playback.base.PlaybackServiceMediaPlayer;
+import de.danoeh.antennapod.playback.base.PlayerStatus;
 import de.test.antennapod.EspressoTestUtils;
 import junit.framework.AssertionFailedError;
 
@@ -24,8 +26,6 @@ import de.danoeh.antennapod.model.feed.FeedItem;
 import de.danoeh.antennapod.model.feed.FeedMedia;
 import de.danoeh.antennapod.model.feed.FeedPreferences;
 import de.danoeh.antennapod.core.service.playback.LocalPSMP;
-import de.danoeh.antennapod.core.service.playback.PlaybackServiceMediaPlayer;
-import de.danoeh.antennapod.core.service.playback.PlayerStatus;
 import de.danoeh.antennapod.core.storage.PodDBAdapter;
 import de.danoeh.antennapod.model.playback.Playable;
 import de.test.antennapod.util.service.download.HTTPBin;
diff --git a/app/src/free/java/de/danoeh/antennapod/activity/CastEnabledActivity.java b/app/src/free/java/de/danoeh/antennapod/activity/CastEnabledActivity.java
deleted file mode 100644
index 98d506f65..000000000
--- a/app/src/free/java/de/danoeh/antennapod/activity/CastEnabledActivity.java
+++ /dev/null
@@ -1,17 +0,0 @@
-package de.danoeh.antennapod.activity;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.view.Menu;
-
-/**
- * Activity that allows for showing the MediaRouter button whenever there's a cast device in the
- * network.
- */
-public abstract class CastEnabledActivity extends AppCompatActivity {
-    public static final String TAG = "CastEnabledActivity";
-
-    public final void requestCastButton(Menu menu) {
-        // no-op
-    }
-}
diff --git a/app/src/free/java/de/danoeh/antennapod/config/CastCallbackImpl.java b/app/src/free/java/de/danoeh/antennapod/config/CastCallbackImpl.java
deleted file mode 100644
index fb23dfa1a..000000000
--- a/app/src/free/java/de/danoeh/antennapod/config/CastCallbackImpl.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package de.danoeh.antennapod.config;
-
-import de.danoeh.antennapod.core.CastCallbacks;
-
-class CastCallbackImpl implements CastCallbacks {
-
-}
diff --git a/app/src/free/java/de/danoeh/antennapod/preferences/PreferenceControllerFlavorHelper.java b/app/src/free/java/de/danoeh/antennapod/preferences/PreferenceControllerFlavorHelper.java
deleted file mode 100644
index e096f883f..000000000
--- a/app/src/free/java/de/danoeh/antennapod/preferences/PreferenceControllerFlavorHelper.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package de.danoeh.antennapod.preferences;
-
-import de.danoeh.antennapod.core.preferences.UserPreferences;
-import de.danoeh.antennapod.fragment.preferences.PlaybackPreferencesFragment;
-
-/**
- * Implements functions from PreferenceController that are flavor dependent.
- */
-public class PreferenceControllerFlavorHelper {
-
-    public static void setupFlavoredUI(PlaybackPreferencesFragment ui) {
-        ui.findPreference(UserPreferences.PREF_CAST_ENABLED).setEnabled(false);
-    }
-}
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 45c21ce6b..0f8242e63 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -54,6 +54,9 @@
         <meta-data
             android:name="com.google.android.backup.api_key"
             android:value="AEdPqrEAAAAI3a05VToCTlqBymJrbFGaKQMvF-bBAuLsOdavBA"/>
+        <meta-data
+            android:name="com.google.android.gms.cast.framework.OPTIONS_PROVIDER_CLASS_NAME"
+            android:value="de.danoeh.antennapod.playback.cast.CastOptionsProvider" />
 
         <!-- Version < 3.0. DeX Mode and Screen Mirroring support -->
         <meta-data android:name="com.samsung.android.keepalive.density" android:value="true"/>
diff --git a/app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java
index 94270339d..7dc760e76 100644
--- a/app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java
+++ b/app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java
@@ -38,6 +38,7 @@ import com.bumptech.glide.Glide;
 import com.google.android.material.bottomsheet.BottomSheetBehavior;
 import com.google.android.material.snackbar.Snackbar;
 
+import de.danoeh.antennapod.playback.cast.CastEnabledActivity;
 import org.apache.commons.lang3.ArrayUtils;
 import org.apache.commons.lang3.Validate;
 import org.greenrobot.eventbus.EventBus;
diff --git a/app/src/main/java/de/danoeh/antennapod/activity/VideoplayerActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/VideoplayerActivity.java
index f895f76bb..4ff2a5775 100644
--- a/app/src/main/java/de/danoeh/antennapod/activity/VideoplayerActivity.java
+++ b/app/src/main/java/de/danoeh/antennapod/activity/VideoplayerActivity.java
@@ -43,7 +43,6 @@ import de.danoeh.antennapod.event.playback.PlaybackServiceEvent;
 import de.danoeh.antennapod.event.playback.SleepTimerUpdatedEvent;
 import de.danoeh.antennapod.core.preferences.UserPreferences;
 import de.danoeh.antennapod.core.service.playback.PlaybackService;
-import de.danoeh.antennapod.core.service.playback.PlayerStatus;
 import de.danoeh.antennapod.core.storage.DBReader;
 import de.danoeh.antennapod.core.storage.DBWriter;
 import de.danoeh.antennapod.core.util.Converter;
@@ -62,6 +61,8 @@ import de.danoeh.antennapod.dialog.SleepTimerDialog;
 import de.danoeh.antennapod.model.feed.FeedItem;
 import de.danoeh.antennapod.model.feed.FeedMedia;
 import de.danoeh.antennapod.model.playback.Playable;
+import de.danoeh.antennapod.playback.base.PlayerStatus;
+import de.danoeh.antennapod.playback.cast.CastEnabledActivity;
 import de.danoeh.antennapod.ui.appstartintent.MainActivityStarter;
 import io.reactivex.Observable;
 import io.reactivex.android.schedulers.AndroidSchedulers;
diff --git a/app/src/main/java/de/danoeh/antennapod/config/ClientConfigurator.java b/app/src/main/java/de/danoeh/antennapod/config/ClientConfigurator.java
index a45eb5199..1f4f657b1 100644
--- a/app/src/main/java/de/danoeh/antennapod/config/ClientConfigurator.java
+++ b/app/src/main/java/de/danoeh/antennapod/config/ClientConfigurator.java
@@ -15,6 +15,5 @@ class ClientConfigurator {
         ClientConfig.USER_AGENT = "AntennaPod/" + BuildConfig.VERSION_NAME;
         ClientConfig.applicationCallbacks = new ApplicationCallbacksImpl();
         ClientConfig.downloadServiceCallbacks = new DownloadServiceCallbacksImpl();
-        ClientConfig.castCallbacks = new CastCallbackImpl();
     }
 }
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java
index 77d450f70..95e2eb1aa 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/AudioPlayerFragment.java
@@ -32,6 +32,7 @@ import de.danoeh.antennapod.event.playback.PlaybackServiceEvent;
 import de.danoeh.antennapod.event.PlayerErrorEvent;
 import de.danoeh.antennapod.event.playback.SleepTimerUpdatedEvent;
 import de.danoeh.antennapod.event.playback.SpeedChangedEvent;
+import de.danoeh.antennapod.playback.cast.CastEnabledActivity;
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 import org.greenrobot.eventbus.ThreadMode;
@@ -41,7 +42,6 @@ import java.text.NumberFormat;
 import java.util.List;
 
 import de.danoeh.antennapod.R;
-import de.danoeh.antennapod.activity.CastEnabledActivity;
 import de.danoeh.antennapod.activity.MainActivity;
 import de.danoeh.antennapod.event.FavoritesEvent;
 import de.danoeh.antennapod.event.playback.PlaybackPositionEvent;
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/ChaptersFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/ChaptersFragment.java
index 0d7aadbd0..04ad6e2bd 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/ChaptersFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/ChaptersFragment.java
@@ -17,6 +17,7 @@ import androidx.recyclerview.widget.DividerItemDecoration;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
+import de.danoeh.antennapod.playback.base.PlayerStatus;
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 import org.greenrobot.eventbus.ThreadMode;
@@ -24,7 +25,6 @@ import org.greenrobot.eventbus.ThreadMode;
 import de.danoeh.antennapod.R;
 import de.danoeh.antennapod.adapter.ChaptersListAdapter;
 import de.danoeh.antennapod.event.playback.PlaybackPositionEvent;
-import de.danoeh.antennapod.core.service.playback.PlayerStatus;
 import de.danoeh.antennapod.core.util.ChapterUtils;
 import de.danoeh.antennapod.core.util.playback.PlaybackController;
 import de.danoeh.antennapod.model.feed.Chapter;
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/ExternalPlayerFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/ExternalPlayerFragment.java
index d1ab44572..1e24d62f7 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/ExternalPlayerFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/ExternalPlayerFragment.java
@@ -23,9 +23,9 @@ import de.danoeh.antennapod.model.playback.MediaType;
 import de.danoeh.antennapod.core.feed.util.ImageResourceUtils;
 import de.danoeh.antennapod.core.glide.ApGlideSettings;
 import de.danoeh.antennapod.core.service.playback.PlaybackService;
-import de.danoeh.antennapod.core.service.playback.PlayerStatus;
 import de.danoeh.antennapod.model.playback.Playable;
 import de.danoeh.antennapod.core.util.playback.PlaybackController;
+import de.danoeh.antennapod.playback.base.PlayerStatus;
 import de.danoeh.antennapod.view.PlayButton;
 import io.reactivex.Maybe;
 import io.reactivex.android.schedulers.AndroidSchedulers;
diff --git a/app/src/main/java/de/danoeh/antennapod/fragment/preferences/PlaybackPreferencesFragment.java b/app/src/main/java/de/danoeh/antennapod/fragment/preferences/PlaybackPreferencesFragment.java
index 9a86a4b3c..7fa2ed4d1 100644
--- a/app/src/main/java/de/danoeh/antennapod/fragment/preferences/PlaybackPreferencesFragment.java
+++ b/app/src/main/java/de/danoeh/antennapod/fragment/preferences/PlaybackPreferencesFragment.java
@@ -16,7 +16,6 @@ import de.danoeh.antennapod.core.preferences.UserPreferences;
 import de.danoeh.antennapod.core.util.gui.PictureInPictureUtil;
 import de.danoeh.antennapod.dialog.SkipPreferenceDialog;
 import de.danoeh.antennapod.dialog.VariableSpeedDialog;
-import de.danoeh.antennapod.preferences.PreferenceControllerFlavorHelper;
 import java.util.Map;
 import org.greenrobot.eventbus.EventBus;
 
@@ -31,7 +30,6 @@ public class PlaybackPreferencesFragment extends PreferenceFragmentCompat {
         addPreferencesFromResource(R.xml.preferences_playback);
 
         setupPlaybackScreen();
-        PreferenceControllerFlavorHelper.setupFlavoredUI(this);
         buildSmartMarkAsPlayedPreference();
     }
 
diff --git a/app/src/main/res/menu/cast_enabled.xml b/app/src/main/res/menu/cast_enabled.xml
deleted file mode 100644
index d6e85c311..000000000
--- a/app/src/main/res/menu/cast_enabled.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:custom="http://schemas.android.com/apk/res-auto">
-
-    <item
-        android:id="@+id/media_route_menu_item"
-        android:title="@string/cast_media_route_menu_title"
-        custom:actionProviderClass="de.danoeh.antennapod.core.cast.SwitchableMediaRouteActionProvider"
-        custom:showAsAction="ifRoom"/>
-</menu>
\ No newline at end of file
diff --git a/app/src/main/res/xml/preferences_playback.xml b/app/src/main/res/xml/preferences_playback.xml
index 59bdaedcb..add9e8d4c 100644
--- a/app/src/main/res/xml/preferences_playback.xml
+++ b/app/src/main/res/xml/preferences_playback.xml
@@ -127,11 +127,5 @@
                 android:title="@string/media_player"
                 android:summary="@string/pref_media_player_message"
                 android:entryValues="@array/media_player_values"/>
-        <SwitchPreferenceCompat
-                android:defaultValue="false"
-                android:enabled="true"
-                android:key="prefCast"
-                android:summary="@string/pref_cast_message"
-                android:title="@string/pref_cast_title"/>
     </PreferenceCategory>
 </PreferenceScreen>
diff --git a/app/src/play/java/de/danoeh/antennapod/activity/CastEnabledActivity.java b/app/src/play/java/de/danoeh/antennapod/activity/CastEnabledActivity.java
deleted file mode 100644
index 753feb3e7..000000000
--- a/app/src/play/java/de/danoeh/antennapod/activity/CastEnabledActivity.java
+++ /dev/null
@@ -1,157 +0,0 @@
-package de.danoeh.antennapod.activity;
-
-import android.content.SharedPreferences;
-import android.media.AudioManager;
-import android.os.Bundle;
-import androidx.preference.PreferenceManager;
-import androidx.appcompat.app.AppCompatActivity;
-import android.util.Log;
-import android.view.Menu;
-import android.view.MenuItem;
-
-import com.google.android.gms.cast.ApplicationMetadata;
-
-import de.danoeh.antennapod.R;
-import de.danoeh.antennapod.core.cast.CastButtonVisibilityManager;
-import de.danoeh.antennapod.core.cast.CastConsumer;
-import de.danoeh.antennapod.core.cast.CastManager;
-import de.danoeh.antennapod.core.cast.DefaultCastConsumer;
-import de.danoeh.antennapod.core.cast.SwitchableMediaRouteActionProvider;
-import de.danoeh.antennapod.core.preferences.UserPreferences;
-import de.danoeh.antennapod.core.service.playback.PlaybackService;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * Activity that allows for showing the MediaRouter button whenever there's a cast device in the
- * network.
- */
-public abstract class CastEnabledActivity extends AppCompatActivity
-        implements SharedPreferences.OnSharedPreferenceChangeListener {
-    public static final String TAG = "CastEnabledActivity";
-
-    private CastConsumer castConsumer;
-    private CastManager castManager;
-    private final List<CastButtonVisibilityManager> castButtons = new ArrayList<>();
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        if (!CastManager.isInitialized()) {
-            return;
-        }
-
-        PreferenceManager.getDefaultSharedPreferences(getApplicationContext())
-                .registerOnSharedPreferenceChangeListener(this);
-
-        castConsumer = new DefaultCastConsumer() {
-            @Override
-            public void onApplicationConnected(ApplicationMetadata appMetadata, String sessionId, boolean wasLaunched) {
-                onCastConnectionChanged(true);
-            }
-
-            @Override
-            public void onDisconnected() {
-                onCastConnectionChanged(false);
-            }
-        };
-        castManager = CastManager.getInstance();
-        castManager.addCastConsumer(castConsumer);
-        CastButtonVisibilityManager castButtonVisibilityManager = new CastButtonVisibilityManager(castManager);
-        castButtonVisibilityManager.setPrefEnabled(UserPreferences.isCastEnabled());
-        onCastConnectionChanged(castManager.isConnected());
-        castButtons.add(castButtonVisibilityManager);
-    }
-
-    @Override
-    protected void onDestroy() {
-        if (!CastManager.isInitialized()) {
-            super.onDestroy();
-            return;
-        }
-        PreferenceManager.getDefaultSharedPreferences(getApplicationContext())
-                .unregisterOnSharedPreferenceChangeListener(this);
-        castManager.removeCastConsumer(castConsumer);
-        super.onDestroy();
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-        if (!CastManager.isInitialized()) {
-            return;
-        }
-        for (CastButtonVisibilityManager castButton : castButtons) {
-            castButton.setResumed(true);
-        }
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        if (!CastManager.isInitialized()) {
-            return;
-        }
-        for (CastButtonVisibilityManager castButton : castButtons) {
-            castButton.setResumed(false);
-        }
-    }
-
-
-    @Override
-    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
-        if (UserPreferences.PREF_CAST_ENABLED.equals(key)) {
-            boolean newValue = UserPreferences.isCastEnabled();
-            Log.d(TAG, "onSharedPreferenceChanged(), isCastEnabled set to " + newValue);
-            for (CastButtonVisibilityManager castButton : castButtons) {
-                castButton.setPrefEnabled(newValue);
-            }
-            // PlaybackService has its own listener, so if it's active we don't have to take action here.
-            if (!newValue && !PlaybackService.isRunning) {
-                CastManager.getInstance().disconnect();
-            }
-        }
-    }
-
-    private void onCastConnectionChanged(boolean connected) {
-        if (connected) {
-            for (CastButtonVisibilityManager castButton : castButtons) {
-                castButton.onConnected();
-            }
-            setVolumeControlStream(AudioManager.USE_DEFAULT_STREAM_TYPE);
-        } else {
-            for (CastButtonVisibilityManager castButton : castButtons) {
-                castButton.onDisconnected();
-            }
-            setVolumeControlStream(AudioManager.STREAM_MUSIC);
-        }
-    }
-
-    /**
-     * Should be called by any activity or fragment for which the cast button should be shown.
-     */
-    public final void requestCastButton(Menu menu) {
-        if (!CastManager.isInitialized()) {
-            return;
-        }
-
-        MenuItem mediaRouteButton = menu.findItem(R.id.media_route_menu_item);
-        if (mediaRouteButton == null) {
-            getMenuInflater().inflate(R.menu.cast_enabled, menu);
-            mediaRouteButton = menu.findItem(R.id.media_route_menu_item);
-        }
-
-        SwitchableMediaRouteActionProvider mediaRouteActionProvider =
-                CastManager.getInstance().addMediaRouterButton(mediaRouteButton);
-        CastButtonVisibilityManager castButtonVisibilityManager =
-                new CastButtonVisibilityManager(CastManager.getInstance());
-        castButtonVisibilityManager.setMenu(menu);
-        castButtonVisibilityManager.setPrefEnabled(UserPreferences.isCastEnabled());
-        castButtonVisibilityManager.mediaRouteActionProvider = mediaRouteActionProvider;
-        castButtonVisibilityManager.setResumed(true);
-        castButtonVisibilityManager.requestCastButton(MenuItem.SHOW_AS_ACTION_ALWAYS);
-        mediaRouteActionProvider.setEnabled(castButtonVisibilityManager.shouldEnable());
-    }
-}
diff --git a/app/src/play/java/de/danoeh/antennapod/config/CastCallbackImpl.java b/app/src/play/java/de/danoeh/antennapod/config/CastCallbackImpl.java
deleted file mode 100644
index 2a879c62d..000000000
--- a/app/src/play/java/de/danoeh/antennapod/config/CastCallbackImpl.java
+++ /dev/null
@@ -1,21 +0,0 @@
-package de.danoeh.antennapod.config;
-
-import androidx.annotation.NonNull;
-import androidx.mediarouter.app.MediaRouteControllerDialogFragment;
-import androidx.mediarouter.app.MediaRouteDialogFactory;
-
-import de.danoeh.antennapod.core.CastCallbacks;
-import de.danoeh.antennapod.fragment.CustomMRControllerDialogFragment;
-
-public class CastCallbackImpl implements CastCallbacks {
-    @Override
-    public MediaRouteDialogFactory getMediaRouterDialogFactory() {
-        return new MediaRouteDialogFactory() {
-            @NonNull
-            @Override
-            public MediaRouteControllerDialogFragment onCreateControllerDialogFragment() {
-                return new CustomMRControllerDialogFragment();
-            }
-        };
-    }
-}
diff --git a/app/src/play/java/de/danoeh/antennapod/dialog/CustomMRControllerDialog.java b/app/src/play/java/de/danoeh/antennapod/dialog/CustomMRControllerDialog.java
deleted file mode 100644
index 6d8450a18..000000000
--- a/app/src/play/java/de/danoeh/antennapod/dialog/CustomMRControllerDialog.java
+++ /dev/null
@@ -1,480 +0,0 @@
-package de.danoeh.antennapod.dialog;
-
-import android.app.PendingIntent;
-import android.content.Context;
-import android.content.res.Configuration;
-import android.graphics.Bitmap;
-import android.graphics.drawable.Drawable;
-import android.net.Uri;
-import android.os.Bundle;
-import android.os.RemoteException;
-import androidx.annotation.NonNull;
-import android.support.v4.media.MediaDescriptionCompat;
-import android.support.v4.media.MediaMetadataCompat;
-import android.support.v4.media.session.MediaControllerCompat;
-import android.support.v4.media.session.MediaSessionCompat;
-import android.support.v4.media.session.PlaybackStateCompat;
-import androidx.core.util.Pair;
-import androidx.core.view.MarginLayoutParamsCompat;
-import androidx.core.view.accessibility.AccessibilityEventCompat;
-import androidx.mediarouter.app.MediaRouteControllerDialog;
-import androidx.palette.graphics.Palette;
-import androidx.mediarouter.media.MediaRouter;
-import androidx.appcompat.widget.AppCompatImageView;
-import android.text.TextUtils;
-import android.util.Log;
-import android.util.TypedValue;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityManager;
-import android.widget.FrameLayout;
-import android.widget.ImageButton;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-
-import com.bumptech.glide.Glide;
-import com.bumptech.glide.request.RequestOptions;
-import com.bumptech.glide.request.target.Target;
-
-import java.util.concurrent.ExecutionException;
-
-import de.danoeh.antennapod.R;
-import de.danoeh.antennapod.core.glide.ApGlideSettings;
-import io.reactivex.Observable;
-import io.reactivex.android.schedulers.AndroidSchedulers;
-import io.reactivex.disposables.Disposable;
-import io.reactivex.schedulers.Schedulers;
-
-public class CustomMRControllerDialog extends MediaRouteControllerDialog {
-    public static final String TAG = "CustomMRContrDialog";
-
-    private MediaRouter mediaRouter;
-    private MediaSessionCompat.Token token;
-
-    private ImageView artView;
-    private TextView titleView;
-    private TextView subtitleView;
-    private ImageButton playPauseButton;
-    private LinearLayout rootView;
-
-    private boolean viewsCreated = false;
-
-    private Disposable fetchArtSubscription;
-
-    private MediaControllerCompat mediaController;
-    private MediaControllerCompat.Callback mediaControllerCallback;
-
-    public CustomMRControllerDialog(Context context) {
-        this(context, 0);
-    }
-
-    private CustomMRControllerDialog(Context context, int theme) {
-        super(context, theme);
-        mediaRouter = MediaRouter.getInstance(getContext());
-        token = mediaRouter.getMediaSessionToken();
-        try {
-            if (token != null) {
-                mediaController = new MediaControllerCompat(getContext(), token);
-            }
-        } catch (RemoteException e) {
-            Log.e(TAG, "Error creating media controller", e);
-        }
-
-        if (mediaController != null) {
-            mediaControllerCallback = new MediaControllerCompat.Callback() {
-                @Override
-                public void onSessionDestroyed() {
-                    if (mediaController != null) {
-                        mediaController.unregisterCallback(mediaControllerCallback);
-                        mediaController = null;
-                    }
-                }
-
-                @Override
-                public void onMetadataChanged(MediaMetadataCompat metadata) {
-                    updateViews();
-                }
-
-                @Override
-                public void onPlaybackStateChanged(PlaybackStateCompat state) {
-                    updateState();
-                }
-            };
-            mediaController.registerCallback(mediaControllerCallback);
-        }
-    }
-
-    @Override
-    public View onCreateMediaControlView(Bundle savedInstanceState) {
-        boolean landscape = getContext().getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE;
-        if (landscape) {
-            /*
-             * When a horizontal LinearLayout measures itself, it first measures its children and
-             * settles their widths on the first pass, and only then figures out its height, never
-             * revisiting the widths measurements.
-             * When one has a child view that imposes a certain aspect ratio (such as an ImageView),
-             * then its width and height are related to each other, and so if one allows for a large
-             * height, then it will request for itself a large width as well. However, on the first
-             * child measurement, the LinearLayout imposes a very relaxed height bound, that the
-             * child uses to tell the width it wants, a value which the LinearLayout will interpret
-             * as final, even though the child will want to change it once a more restrictive height
-             * bound is imposed later.
-             *
-             * Our solution is, given that the heights of the children do not depend on their widths
-             * in this case, we first figure out the layout's height and only then perform the
-             * usual sequence of measurements.
-             *
-             * Note: this solution does not take into account any vertical paddings nor children's
-             * vertical margins in determining the height, as this View as well as its children are
-             * defined in code and no paddings/margins that would influence these computations are
-             * introduced.
-             *
-             * There were no resources online for this type of issue as far as I could gather.
-             */
-            rootView = new LinearLayout(getContext()) {
-                @Override
-                protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-                    // We'd like to find the overall height before adjusting the widths within the LinearLayout
-                    int maxHeight = Integer.MIN_VALUE;
-                    if (MeasureSpec.getMode(heightMeasureSpec) != MeasureSpec.EXACTLY) {
-                        for (int i = 0; i < getChildCount(); i++) {
-                            int height = Integer.MIN_VALUE;
-                            View child = getChildAt(i);
-                            ViewGroup.LayoutParams lp = child.getLayoutParams();
-                            // we only measure children whose layout_height is not MATCH_PARENT
-                            if (lp.height >= 0) {
-                                height = lp.height;
-                            } else if (lp.height == ViewGroup.LayoutParams.WRAP_CONTENT) {
-                                child.measure(widthMeasureSpec, heightMeasureSpec);
-                                height = child.getMeasuredHeight();
-                            }
-                            maxHeight = Math.max(maxHeight, height);
-                        }
-                    }
-                    if (maxHeight > 0) {
-                        super.onMeasure(widthMeasureSpec,
-                                MeasureSpec.makeMeasureSpec(maxHeight, MeasureSpec.EXACTLY));
-                    } else {
-                        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
-                    }
-                }
-            };
-            rootView.setOrientation(LinearLayout.HORIZONTAL);
-        } else {
-            rootView = new LinearLayout(getContext());
-            rootView.setOrientation(LinearLayout.VERTICAL);
-        }
-        FrameLayout.LayoutParams rootParams = new FrameLayout.LayoutParams(
-                ViewGroup.LayoutParams.MATCH_PARENT,
-                ViewGroup.LayoutParams.WRAP_CONTENT);
-        rootParams.setMargins(0, 0, 0,
-                getContext().getResources().getDimensionPixelSize(R.dimen.media_router_controller_bottom_margin));
-        rootView.setLayoutParams(rootParams);
-
-        // Start the session activity when a content item (album art, title or subtitle) is clicked.
-        View.OnClickListener onClickListener = v -> {
-            if (mediaController != null) {
-                PendingIntent pi = mediaController.getSessionActivity();
-                if (pi != null) {
-                    try {
-                        pi.send();
-                        dismiss();
-                    } catch (PendingIntent.CanceledException e) {
-                        Log.e(TAG, pi + " was not sent, it had been canceled.");
-                    }
-                }
-            }
-        };
-
-        LinearLayout.LayoutParams artParams;
-        /*
-         * On portrait orientation, we want to limit the artView's height to 9/16 of the available
-         * width. Reason is that we need to choose the height wisely otherwise we risk the dialog
-         * being much larger than the screen, and there doesn't seem to be a good way to know the
-         * available height beforehand.
-         *
-         * On landscape orientation, we want to limit the artView's width to its available height.
-         * Otherwise, horizontal images would take too much space and severely restrict the space
-         * for episode title and play/pause button.
-         *
-         * Internal implementation of ImageView only uses the source image's aspect ratio, but we
-         * want to impose our own and fallback to the source image's when it is more favorable.
-         * Solutions were inspired, among other similar sources, on
-         * http://stackoverflow.com/questions/18077325/scale-image-to-fill-imageview-width-and-keep-aspect-ratio
-         */
-        if (landscape) {
-            artView = new AppCompatImageView(getContext()) {
-                @Override
-                protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-                    int desiredWidth = widthMeasureSpec;
-                    int desiredMeasureMode = MeasureSpec.getMode(heightMeasureSpec) == MeasureSpec.EXACTLY ?
-                            MeasureSpec.EXACTLY : MeasureSpec.AT_MOST;
-                    if (MeasureSpec.getMode(widthMeasureSpec) != MeasureSpec.EXACTLY) {
-                        Drawable drawable = getDrawable();
-                        if (drawable != null) {
-                            int intrHeight = drawable.getIntrinsicHeight();
-                            int intrWidth = drawable.getIntrinsicWidth();
-                            int originalHeight = MeasureSpec.getSize(heightMeasureSpec);
-                            if (intrHeight < intrWidth) {
-                                desiredWidth = MeasureSpec.makeMeasureSpec(
-                                        originalHeight, desiredMeasureMode);
-                            } else {
-                                desiredWidth = MeasureSpec.makeMeasureSpec(
-                                        Math.round((float) originalHeight * intrWidth / intrHeight),
-                                        desiredMeasureMode);
-                            }
-                        }
-                    }
-                    super.onMeasure(desiredWidth, heightMeasureSpec);
-                }
-            };
-            artParams = new LinearLayout.LayoutParams(
-                    ViewGroup.LayoutParams.WRAP_CONTENT,
-                    ViewGroup.LayoutParams.MATCH_PARENT);
-            MarginLayoutParamsCompat.setMarginStart(artParams,
-                    getContext().getResources().getDimensionPixelSize(R.dimen.media_router_controller_playback_control_horizontal_spacing));
-        } else {
-            artView = new AppCompatImageView(getContext()) {
-                @Override
-                protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-                    int desiredHeight = heightMeasureSpec;
-                    if (MeasureSpec.getMode(heightMeasureSpec) != MeasureSpec.EXACTLY) {
-                        Drawable drawable = getDrawable();
-                        if (drawable != null) {
-                            int originalWidth = MeasureSpec.getSize(widthMeasureSpec);
-                            int intrHeight = drawable.getIntrinsicHeight();
-                            int intrWidth = drawable.getIntrinsicWidth();
-                            float scale;
-                            if (intrHeight*16 > intrWidth*9) {
-                                // image is taller than 16:9
-                                scale = (float) originalWidth * 9 / 16 / intrHeight;
-                            } else {
-                                // image is more horizontal than 16:9
-                                scale = (float) originalWidth / intrWidth;
-                            }
-                            desiredHeight = MeasureSpec.makeMeasureSpec(
-                                    Math.round(intrHeight * scale),
-                                    MeasureSpec.EXACTLY);
-                        }
-                    }
-                    super.onMeasure(widthMeasureSpec, desiredHeight);
-                }
-            };
-            artParams = new LinearLayout.LayoutParams(
-                    ViewGroup.LayoutParams.MATCH_PARENT,
-                    ViewGroup.LayoutParams.WRAP_CONTENT);
-        }
-        // When we fetch the bitmap, we want to know if we should set a background color or not.
-        artView.setTag(landscape);
-
-        artView.setScaleType(ImageView.ScaleType.FIT_CENTER);
-        artView.setOnClickListener(onClickListener);
-
-        artView.setLayoutParams(artParams);
-        rootView.addView(artView);
-
-        ViewGroup wrapper = rootView;
-
-        if (landscape) {
-            // Here we wrap with a frame layout because we want to set different layout parameters
-            // for landscape orientation.
-            wrapper = new FrameLayout(getContext());
-            wrapper.setLayoutParams(new LinearLayout.LayoutParams(
-                    0,
-                    ViewGroup.LayoutParams.WRAP_CONTENT, 1f));
-            rootView.addView(wrapper);
-            rootView.setWeightSum(1f);
-        }
-
-        View playbackControlLayout = View.inflate(getContext(), R.layout.media_router_controller, wrapper);
-
-        titleView = playbackControlLayout.findViewById(R.id.mrc_control_title);
-        subtitleView = playbackControlLayout.findViewById(R.id.mrc_control_subtitle);
-        playbackControlLayout.findViewById(R.id.mrc_control_title_container).setOnClickListener(onClickListener);
-        playPauseButton = playbackControlLayout.findViewById(R.id.mrc_control_play_pause);
-        playPauseButton.setOnClickListener(v -> {
-            PlaybackStateCompat state;
-            if (mediaController != null && (state = mediaController.getPlaybackState()) != null) {
-                boolean isPlaying = state.getState() == PlaybackStateCompat.STATE_PLAYING;
-                if (isPlaying) {
-                    mediaController.getTransportControls().pause();
-                } else {
-                    mediaController.getTransportControls().play();
-                }
-                // Announce the action for accessibility.
-                AccessibilityManager accessibilityManager = (AccessibilityManager)
-                        getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);
-                if (accessibilityManager != null && accessibilityManager.isEnabled()) {
-                    AccessibilityEvent event = AccessibilityEvent.obtain(
-                            AccessibilityEventCompat.TYPE_ANNOUNCEMENT);
-                    event.setPackageName(getContext().getPackageName());
-                    event.setClassName(getClass().getName());
-                    int resId = isPlaying ? R.string.mr_controller_pause : R.string.mr_controller_play;
-                    event.getText().add(getContext().getString(resId));
-                    accessibilityManager.sendAccessibilityEvent(event);
-                }
-            }
-        });
-
-        viewsCreated = true;
-        updateViews();
-        return rootView;
-    }
-
-    @Override
-    public void onDetachedFromWindow() {
-        if (fetchArtSubscription != null) {
-            fetchArtSubscription.dispose();
-            fetchArtSubscription = null;
-        }
-        super.onDetachedFromWindow();
-    }
-
-    private void updateViews() {
-        if (!viewsCreated || token == null || mediaController == null) {
-            rootView.setVisibility(View.GONE);
-            return;
-        }
-        MediaMetadataCompat metadata = mediaController.getMetadata();
-        MediaDescriptionCompat description = metadata == null ? null : metadata.getDescription();
-        if (description == null) {
-            rootView.setVisibility(View.GONE);
-            return;
-        }
-
-        PlaybackStateCompat state = mediaController.getPlaybackState();
-        MediaRouter.RouteInfo route = MediaRouter.getInstance(getContext()).getSelectedRoute();
-
-        CharSequence title = description.getTitle();
-        boolean hasTitle = !TextUtils.isEmpty(title);
-        CharSequence subtitle = description.getSubtitle();
-        boolean hasSubtitle = !TextUtils.isEmpty(subtitle);
-
-        boolean showTitle = false;
-        boolean showSubtitle = false;
-        if (route.getPresentationDisplay() != null &&
-                route.getPresentationDisplay().getDisplayId() != MediaRouter.RouteInfo.PRESENTATION_DISPLAY_ID_NONE) {
-            // The user is currently casting screen.
-            titleView.setText(R.string.mr_controller_casting_screen);
-            showTitle = true;
-        } else if (state == null || state.getState() == PlaybackStateCompat.STATE_NONE) {
-            // Show "No media selected" as we don't yet know the playback state.
-            // (Only exception is bluetooth where we don't show anything.)
-            if (!route.isBluetooth()) {
-                titleView.setText(R.string.mr_controller_no_media_selected);
-                showTitle = true;
-            }
-        } else if (!hasTitle && !hasSubtitle) {
-            titleView.setText(R.string.mr_controller_no_info_available);
-            showTitle = true;
-        } else {
-            if (hasTitle) {
-                titleView.setText(title);
-                showTitle = true;
-            }
-            if (hasSubtitle) {
-                subtitleView.setText(subtitle);
-                showSubtitle = true;
-            }
-        }
-        if (showSubtitle) {
-            titleView.setSingleLine();
-        } else {
-            titleView.setMaxLines(2);
-        }
-        titleView.setVisibility(showTitle ? View.VISIBLE : View.GONE);
-        subtitleView.setVisibility(showSubtitle ? View.VISIBLE : View.GONE);
-
-        updateState();
-
-        if(rootView.getVisibility() != View.VISIBLE) {
-            artView.setVisibility(View.GONE);
-            rootView.setVisibility(View.VISIBLE);
-        }
-
-        if (fetchArtSubscription != null) {
-            fetchArtSubscription.dispose();
-        }
-
-        fetchArtSubscription = Observable.fromCallable(() -> fetchArt(description))
-                .subscribeOn(Schedulers.io())
-                .observeOn(AndroidSchedulers.mainThread())
-                .subscribe(result -> {
-                    fetchArtSubscription = null;
-                    if (artView == null) {
-                        return;
-                    }
-                    if (result.first != null) {
-                        if (!((Boolean) artView.getTag())) {
-                            artView.setBackgroundColor(result.second);
-                        }
-                        artView.setImageBitmap(result.first);
-                        artView.setVisibility(View.VISIBLE);
-                    } else {
-                        artView.setVisibility(View.GONE);
-                    }
-                }, error -> Log.e(TAG, Log.getStackTraceString(error)));
-
-    }
-
-    private void updateState() {
-        PlaybackStateCompat state;
-        if (!viewsCreated || mediaController == null ||
-                (state = mediaController.getPlaybackState()) == null) {
-            return;
-        }
-        boolean isPlaying = state.getState() == PlaybackStateCompat.STATE_BUFFERING
-                || state.getState() == PlaybackStateCompat.STATE_PLAYING;
-        boolean supportsPlay = (state.getActions() & (PlaybackStateCompat.ACTION_PLAY
-                | PlaybackStateCompat.ACTION_PLAY_PAUSE)) != 0;
-        boolean supportsPause = (state.getActions() & (PlaybackStateCompat.ACTION_PAUSE
-                | PlaybackStateCompat.ACTION_PLAY_PAUSE)) != 0;
-        if (isPlaying && supportsPause) {
-            playPauseButton.setVisibility(View.VISIBLE);
-            playPauseButton.setImageResource(getThemeResource(getContext(), R.attr.mediaRoutePauseDrawable));
-            playPauseButton.setContentDescription(getContext().getResources().getText(R.string.mr_controller_pause));
-        } else if (!isPlaying && supportsPlay) {
-            playPauseButton.setVisibility(View.VISIBLE);
-            playPauseButton.setImageResource(getThemeResource(getContext(), R.attr.mediaRoutePlayDrawable));
-            playPauseButton.setContentDescription(getContext().getResources().getText(R.string.mr_controller_play));
-        } else {
-            playPauseButton.setVisibility(View.GONE);
-        }
-    }
-
-    private static int getThemeResource(Context context, int attr) {
-        TypedValue value = new TypedValue();
-        return context.getTheme().resolveAttribute(attr, value, true) ? value.resourceId : 0;
-    }
-
-    @NonNull
-    private Pair<Bitmap, Integer> fetchArt(@NonNull MediaDescriptionCompat description) {
-        Bitmap iconBitmap = description.getIconBitmap();
-        Uri iconUri = description.getIconUri();
-        Bitmap art = null;
-        if (iconBitmap != null) {
-            art = iconBitmap;
-        } else if (iconUri != null) {
-            try {
-                art = Glide.with(getContext().getApplicationContext())
-                        .asBitmap()
-                        .load(iconUri.toString())
-                        .apply(RequestOptions.diskCacheStrategyOf(ApGlideSettings.AP_DISK_CACHE_STRATEGY))
-                        .submit(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
-                        .get();
-            } catch (InterruptedException | ExecutionException e) {
-                Log.e(TAG, "Image art load failed", e);
-            }
-        }
-        int backgroundColor = 0;
-        if (art != null && art.getWidth()*9 < art.getHeight()*16) {
-            // Portrait art requires dominant color as background color.
-            Palette palette = new Palette.Builder(art).maximumColorCount(1).generate();
-            backgroundColor = palette.getSwatches().isEmpty()
-                    ? 0 : palette.getSwatches().get(0).getRgb();
-        }
-        return new Pair<>(art, backgroundColor);
-    }
-}
diff --git a/app/src/play/java/de/danoeh/antennapod/fragment/CustomMRControllerDialogFragment.java b/app/src/play/java/de/danoeh/antennapod/fragment/CustomMRControllerDialogFragment.java
deleted file mode 100644
index dad7b0bfd..000000000
--- a/app/src/play/java/de/danoeh/antennapod/fragment/CustomMRControllerDialogFragment.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package de.danoeh.antennapod.fragment;
-
-import android.content.Context;
-import android.os.Bundle;
-import androidx.mediarouter.app.MediaRouteControllerDialog;
-import androidx.mediarouter.app.MediaRouteControllerDialogFragment;
-
-import de.danoeh.antennapod.dialog.CustomMRControllerDialog;
-
-public class CustomMRControllerDialogFragment extends MediaRouteControllerDialogFragment {
-    @Override
-    public MediaRouteControllerDialog onCreateControllerDialog(Context context, Bundle savedInstanceState) {
-        return new CustomMRControllerDialog(context);
-    }
-}
diff --git a/app/src/play/java/de/danoeh/antennapod/preferences/PreferenceControllerFlavorHelper.java b/app/src/play/java/de/danoeh/antennapod/preferences/PreferenceControllerFlavorHelper.java
deleted file mode 100644
index b51fb40b0..000000000
--- a/app/src/play/java/de/danoeh/antennapod/preferences/PreferenceControllerFlavorHelper.java
+++ /dev/null
@@ -1,48 +0,0 @@
-package de.danoeh.antennapod.preferences;
-
-import android.content.Context;
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
-
-import com.google.android.gms.common.ConnectionResult;
-import com.google.android.gms.common.GoogleApiAvailability;
-
-import de.danoeh.antennapod.PodcastApp;
-import de.danoeh.antennapod.R;
-import de.danoeh.antennapod.core.preferences.UserPreferences;
-import de.danoeh.antennapod.fragment.preferences.PlaybackPreferencesFragment;
-
-/**
- * Implements functions from PreferenceController that are flavor dependent.
- */
-public class PreferenceControllerFlavorHelper {
-
-    public static void setupFlavoredUI(PlaybackPreferencesFragment ui) {
-        //checks whether Google Play Services is installed on the device (condition necessary for Cast support)
-        ui.findPreference(UserPreferences.PREF_CAST_ENABLED).setOnPreferenceChangeListener((preference, o) -> {
-            if (o instanceof Boolean && ((Boolean) o)) {
-                final int googlePlayServicesCheck = GoogleApiAvailability.getInstance()
-                        .isGooglePlayServicesAvailable(ui.getActivity());
-                if (googlePlayServicesCheck == ConnectionResult.SUCCESS) {
-                    displayRestartRequiredDialog(ui.requireContext());
-                    return true;
-                } else {
-                    GoogleApiAvailability.getInstance()
-                            .getErrorDialog(ui.getActivity(), googlePlayServicesCheck, 0)
-                            .show();
-                    return false;
-                }
-            }
-            return true;
-        });
-    }
-
-    private static void displayRestartRequiredDialog(@NonNull Context context) {
-        AlertDialog.Builder dialog = new AlertDialog.Builder(context);
-        dialog.setTitle(android.R.string.dialog_alert_title);
-        dialog.setMessage(R.string.pref_restart_required);
-        dialog.setPositiveButton(android.R.string.ok, (dialog1, which) -> PodcastApp.forceRestart());
-        dialog.setCancelable(false);
-        dialog.show();
-    }
-}
diff --git a/app/src/play/res/layout/media_router_controller.xml b/app/src/play/res/layout/media_router_controller.xml
deleted file mode 100644
index bdb1b1cc2..000000000
--- a/app/src/play/res/layout/media_router_controller.xml
+++ /dev/null
@@ -1,41 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/mrc_playback_control"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:paddingTop="@dimen/media_router_controller_playback_control_vertical_padding"
-    android:paddingBottom="@dimen/media_router_controller_playback_control_vertical_padding"
-    android:paddingLeft="@dimen/media_router_controller_playback_control_start_padding"
-    android:paddingStart="@dimen/media_router_controller_playback_control_start_padding"
-    android:paddingRight="@dimen/media_router_controller_playback_control_horizontal_spacing"
-    android:paddingEnd="@dimen/media_router_controller_playback_control_horizontal_spacing">
-    <ImageButton android:id="@+id/mrc_control_play_pause"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="@dimen/media_router_controller_playback_control_horizontal_spacing"
-        android:layout_marginStart="@dimen/media_router_controller_playback_control_horizontal_spacing"
-        android:layout_alignParentRight="true"
-        android:layout_alignParentEnd="true"
-        android:contentDescription="@string/mr_controller_play"
-        android:background="?android:attr/selectableItemBackground"/>
-
-    <LinearLayout android:id="@+id/mrc_control_title_container"
-        android:orientation="vertical"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_alignParentLeft="true"
-        android:layout_alignParentStart="true"
-        android:layout_toLeftOf="@id/mrc_control_play_pause"
-        android:layout_toStartOf="@id/mrc_control_play_pause"
-        android:layout_centerVertical="true">
-        <TextView android:id="@+id/mrc_control_title"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:textAppearance="@style/TextAppearance.MediaRouter.PrimaryText"/>
-        <TextView android:id="@+id/mrc_control_subtitle"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:textAppearance="@style/TextAppearance.MediaRouter.SecondaryText"
-            android:singleLine="true" />
-    </LinearLayout>
-</RelativeLayout>