Merge pull request #1862 from domingos86/media-session-to-playback-service

Having the PlaybackService handle the MediaSession

4 files changed, 240 insertions, 325 deletions

diff --git a/core/src/main/java/de/danoeh/antennapod/core/receiver/MediaButtonReceiver.java b/core/src/main/java/de/danoeh/antennapod/core/receiver/MediaButtonReceiver.java
index 51cc52e10..0bfeb1150 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/receiver/MediaButtonReceiver.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/receiver/MediaButtonReceiver.java
@@ -13,6 +13,7 @@ import de.danoeh.antennapod.core.service.playback.PlaybackService;
 public class MediaButtonReceiver extends BroadcastReceiver {
 	private static final String TAG = "MediaButtonReceiver";
 	public static final String EXTRA_KEYCODE = "de.danoeh.antennapod.core.service.extra.MediaButtonReceiver.KEYCODE";
+	public static final String EXTRA_SOURCE = "de.danoeh.antennapod.core.service.extra.MediaButtonReceiver.SOURCE";
 
 	public static final String NOTIFY_BUTTON_RECEIVER = "de.danoeh.antennapod.NOTIFY_BUTTON_RECEIVER";
 
@@ -20,11 +21,11 @@ public class MediaButtonReceiver extends BroadcastReceiver {
 	public void onReceive(Context context, Intent intent) {
 		Log.d(TAG, "Received intent");
 		KeyEvent event = (KeyEvent) intent.getExtras().get(Intent.EXTRA_KEY_EVENT);
-		if (event.getAction() == KeyEvent.ACTION_DOWN) {
+		if (event != null && event.getAction() == KeyEvent.ACTION_DOWN && event.getRepeatCount()==0) {
 			ClientConfig.initialize(context);
 			Intent serviceIntent = new Intent(context, PlaybackService.class);
-			int keycode = event.getKeyCode();
-			serviceIntent.putExtra(EXTRA_KEYCODE, keycode);
+			serviceIntent.putExtra(EXTRA_KEYCODE, event.getKeyCode());
+			serviceIntent.putExtra(EXTRA_SOURCE, event.getSource());
 			context.startService(serviceIntent);
 		}
 
diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/playback/MediaButtonIntentReceiver.java b/core/src/main/java/de/danoeh/antennapod/core/service/playback/MediaButtonIntentReceiver.java
deleted file mode 100644
index 7d06390f2..000000000
--- a/core/src/main/java/de/danoeh/antennapod/core/service/playback/MediaButtonIntentReceiver.java
+++ /dev/null
@@ -1,26 +0,0 @@
-package de.danoeh.antennapod.core.service.playback;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.util.Log;
-
-public class MediaButtonIntentReceiver extends BroadcastReceiver {
-
-    private static final String TAG = "MediaButtonIntentRcver";
-
-    private static PlaybackServiceMediaPlayer mMediaPlayer;
-
-    public static void setMediaPlayer(PlaybackServiceMediaPlayer mediaPlayer) {
-        mMediaPlayer = mediaPlayer;
-    }
-
-    @Override
-    public void onReceive(Context context, Intent intent) {
-        Log.d(TAG, "onReceive(Context, " + intent.toString() +")");
-        if (mMediaPlayer != null && Intent.ACTION_MEDIA_BUTTON.equals(intent.getAction())) {
-            mMediaPlayer.handleMediaKey(intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT));
-        }
-    }
-
-}
\ No newline at end of file
diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackService.java b/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackService.java
index edea3962f..6ab9859ac 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackService.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackService.java
@@ -6,6 +6,7 @@ import android.app.PendingIntent;
 import android.app.Service;
 import android.bluetooth.BluetoothA2dp;
 import android.content.BroadcastReceiver;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
@@ -19,12 +20,18 @@ import android.os.Build;
 import android.os.IBinder;
 import android.os.Vibrator;
 import android.preference.PreferenceManager;
+import android.support.v4.media.MediaMetadataCompat;
+import android.support.v4.media.session.MediaSessionCompat;
+import android.support.v4.media.session.PlaybackStateCompat;
 import android.support.v7.app.NotificationCompat;
 import android.text.TextUtils;
 import android.util.Log;
 import android.util.Pair;
+import android.view.Display;
+import android.view.InputDevice;
 import android.view.KeyEvent;
 import android.view.SurfaceHolder;
+import android.view.WindowManager;
 import android.widget.Toast;
 
 import com.bumptech.glide.Glide;
@@ -54,7 +61,7 @@ import de.danoeh.antennapod.core.util.playback.Playable;
 /**
  * Controls the MediaPlayer that plays a FeedMedia-file
  */
-public class PlaybackService extends Service {
+public class PlaybackService extends Service implements SharedPreferences.OnSharedPreferenceChangeListener {
     public static final String FORCE_WIDGET_UPDATE = "de.danoeh.antennapod.FORCE_WIDGET_UPDATE";
     public static final String STOP_WIDGET_UPDATE = "de.danoeh.antennapod.STOP_WIDGET_UPDATE";
     /**
@@ -169,6 +176,10 @@ public class PlaybackService extends Service {
 
     private PlaybackServiceMediaPlayer mediaPlayer;
     private PlaybackServiceTaskManager taskManager;
+    /**
+     * Only used for Lollipop notifications.
+     */
+    private MediaSessionCompat mediaSession;
 
     private int startPosition;
 
@@ -239,6 +250,28 @@ public class PlaybackService extends Service {
         taskManager = new PlaybackServiceTaskManager(this, taskManagerCallback);
         mediaPlayer = new PlaybackServiceMediaPlayer(this, mediaPlayerCallback);
 
+        ComponentName eventReceiver = new ComponentName(getApplicationContext(),
+                MediaButtonReceiver.class);
+        Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
+        mediaButtonIntent.setComponent(eventReceiver);
+        PendingIntent buttonReceiverIntent = PendingIntent.getBroadcast(this, 0, mediaButtonIntent, PendingIntent.FLAG_UPDATE_CURRENT);
+
+        mediaSession = new MediaSessionCompat(getApplicationContext(), TAG, eventReceiver, buttonReceiverIntent);
+
+        try {
+            mediaSession.setCallback(sessionCallback);
+            mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
+            mediaSession.setActive(true);
+        } catch (NullPointerException npe) {
+            // on some devices (Huawei) setting active can cause a NullPointerException
+            // even with correct use of the api.
+            // See http://stackoverflow.com/questions/31556679/android-huawei-mediassessioncompat
+            // and https://plus.google.com/+IanLake/posts/YgdTkKFxz7d
+            Log.e(TAG, "NullPointerException while setting up MediaSession");
+            npe.printStackTrace();
+        }
+        PreferenceManager.getDefaultSharedPreferences(this)
+                .registerOnSharedPreferenceChangeListener(this);
     }
 
     @Override
@@ -249,6 +282,11 @@ public class PlaybackService extends Service {
         started = false;
         currentMediaType = MediaType.UNKNOWN;
 
+        PreferenceManager.getDefaultSharedPreferences(this)
+                .unregisterOnSharedPreferenceChangeListener(this);
+        if (mediaSession != null) {
+            mediaSession.release();
+        }
         unregisterReceiver(headsetDisconnected);
         unregisterReceiver(shutdownReceiver);
         if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
@@ -269,6 +307,13 @@ public class PlaybackService extends Service {
     }
 
     @Override
+    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
+        if(key.equals(UserPreferences.PREF_LOCKSCREEN_BACKGROUND)) {
+            updateMediaSessionMetadata(getPlayable());
+        }
+    }
+
+    @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
         super.onStartCommand(intent, flags, startId);
 
@@ -287,7 +332,8 @@ public class PlaybackService extends Service {
 
             if (keycode != -1) {
                 Log.d(TAG, "Received media button event");
-                handleKeycode(keycode);
+                handleKeycode(keycode, intent.getIntExtra(MediaButtonReceiver.EXTRA_SOURCE,
+                        InputDevice.SOURCE_CLASS_NONE));
             } else {
                 started = true;
                 boolean stream = intent.getBooleanExtra(EXTRA_SHOULD_STREAM,
@@ -305,7 +351,7 @@ public class PlaybackService extends Service {
     /**
      * Handles media button events
      */
-    private void handleKeycode(int keycode) {
+    private void handleKeycode(int keycode, int source) {
         Log.d(TAG, "Handling keycode: " + keycode);
         final PlaybackServiceMediaPlayer.PSMPInfo info = mediaPlayer.getPSMPInfo();
         final PlayerStatus status = info.playerStatus;
@@ -347,7 +393,16 @@ public class PlaybackService extends Service {
 
                 break;
             case KeyEvent.KEYCODE_MEDIA_NEXT:
-                mediaPlayer.endPlayback(true);
+                if(source == InputDevice.SOURCE_CLASS_NONE ||
+                        UserPreferences.shouldHardwareButtonSkip()) {
+                    // assume the skip command comes from a notification or the lockscreen
+                    // a >| skip button should actually skip
+                    mediaPlayer.endPlayback(true);
+                } else {
+                    // assume skip command comes from a (bluetooth) media button
+                    // user actually wants to fast-forward
+                    seekDelta(UserPreferences.getFastFowardSecs() * 1000);
+                }
                 break;
             case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
                 mediaPlayer.seekDelta(UserPreferences.getFastFowardSecs() * 1000);
@@ -365,6 +420,7 @@ public class PlaybackService extends Service {
                 stopForeground(true); // gets rid of persistent notification
                 break;
             default:
+                Log.d(TAG, "Unhandled key code: " + keycode);
                 if (info.playable != null && info.playerStatus == PlayerStatus.PLAYING) {   // only notify the user about an unknown key event if it is actually doing something
                     String message = String.format(getResources().getString(R.string.unknown_media_key), keycode);
                     Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
@@ -439,6 +495,7 @@ public class PlaybackService extends Service {
         @Override
         public void statusChanged(PlaybackServiceMediaPlayer.PSMPInfo newInfo) {
             currentMediaType = mediaPlayer.getCurrentMediaType();
+            updateMediaSession(newInfo.playerStatus);
             switch (newInfo.playerStatus) {
                 case INITIALIZED:
                     writePlaybackPreferences();
@@ -530,6 +587,11 @@ public class PlaybackService extends Service {
         }
 
         @Override
+        public void updateMediaSessionMetadata(Playable p) {
+            PlaybackService.this.updateMediaSessionMetadata(p);
+        }
+
+        @Override
         public boolean onMediaPlayerInfo(int code) {
             switch (code) {
                 case MediaPlayer.MEDIA_INFO_BUFFERING_START:
@@ -796,6 +858,86 @@ public class PlaybackService extends Service {
     private Thread notificationSetupThread;
 
     /**
+     * Updates the Media Session for the corresponding status.
+     * @param playerStatus the current {@link PlayerStatus}
+     */
+    private void updateMediaSession(final PlayerStatus playerStatus) {
+        PlaybackStateCompat.Builder sessionState = new PlaybackStateCompat.Builder();
+
+        int state;
+        if (playerStatus != null) {
+            switch (playerStatus) {
+                case PLAYING:
+                    state = PlaybackStateCompat.STATE_PLAYING;
+                    break;
+                case PREPARED:
+                case PAUSED:
+                    state = PlaybackStateCompat.STATE_PAUSED;
+                    break;
+                case STOPPED:
+                    state = PlaybackStateCompat.STATE_STOPPED;
+                    break;
+                case SEEKING:
+                    state = PlaybackStateCompat.STATE_FAST_FORWARDING;
+                    break;
+                case PREPARING:
+                case INITIALIZING:
+                    state = PlaybackStateCompat.STATE_CONNECTING;
+                    break;
+                case INITIALIZED:
+                case INDETERMINATE:
+                    state = PlaybackStateCompat.STATE_NONE;
+                    break;
+                case ERROR:
+                    state = PlaybackStateCompat.STATE_ERROR;
+                    break;
+                default:
+                    state = PlaybackStateCompat.STATE_NONE;
+                    break;
+            }
+        } else {
+            state = PlaybackStateCompat.STATE_NONE;
+        }
+        sessionState.setState(state, mediaPlayer.getPosition(), mediaPlayer.getPlaybackSpeed());
+        sessionState.setActions(PlaybackStateCompat.ACTION_PLAY_PAUSE
+                | PlaybackStateCompat.ACTION_REWIND
+                | PlaybackStateCompat.ACTION_FAST_FORWARD
+                | PlaybackStateCompat.ACTION_SKIP_TO_NEXT);
+        mediaSession.setPlaybackState(sessionState.build());
+    }
+
+    private void updateMediaSessionMetadata(Playable p) {
+        if (p == null) {
+            return;
+        }
+        MediaMetadataCompat.Builder builder = new MediaMetadataCompat.Builder();
+        builder.putString(MediaMetadataCompat.METADATA_KEY_ARTIST, p.getFeedTitle());
+        builder.putString(MediaMetadataCompat.METADATA_KEY_TITLE, p.getEpisodeTitle());
+        builder.putLong(MediaMetadataCompat.METADATA_KEY_DURATION, p.getDuration());
+        builder.putString(MediaMetadataCompat.METADATA_KEY_DISPLAY_TITLE, p.getEpisodeTitle());
+        builder.putString(MediaMetadataCompat.METADATA_KEY_ALBUM, p.getFeedTitle());
+
+        if (p.getImageUri() != null && UserPreferences.setLockscreenBackground()) {
+            builder.putString(MediaMetadataCompat.METADATA_KEY_ART_URI, p.getImageUri().toString());
+            try {
+                WindowManager wm = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
+                Display display = wm.getDefaultDisplay();
+                Bitmap art = Glide.with(this)
+                        .load(p.getImageUri())
+                        .asBitmap()
+                        .diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY)
+                        .centerCrop()
+                        .into(display.getWidth(), display.getHeight())
+                        .get();
+                builder.putBitmap(MediaMetadataCompat.METADATA_KEY_ART, art);
+            } catch (Throwable tr) {
+                Log.e(TAG, Log.getStackTraceString(tr));
+            }
+        }
+        mediaSession.setMetadata(builder.build());
+    }
+
+    /**
      * Prepares notification and starts the service in the foreground.
      */
     private void setupNotification(final PlaybackServiceMediaPlayer.PSMPInfo info) {
@@ -913,7 +1055,7 @@ public class PlaybackService extends Service {
                     PendingIntent stopButtonPendingIntent = getPendingIntentForMediaAction(
                             KeyEvent.KEYCODE_MEDIA_STOP, numActions);
                     notificationBuilder.setStyle(new android.support.v7.app.NotificationCompat.MediaStyle()
-                            .setMediaSession(mediaPlayer.getSessionToken())
+                            .setMediaSession(mediaSession.getSessionToken())
                             .setShowActionsInCompactView(compactActionList.toArray())
                             .setShowCancelButton(true)
                             .setCancelButtonIntent(stopButtonPendingIntent))
@@ -1287,4 +1429,89 @@ public class PlaybackService extends Service {
             return false;
         }
     }
+
+    private final MediaSessionCompat.Callback sessionCallback = new MediaSessionCompat.Callback() {
+
+        private static final String TAG = "MediaSessionCompat";
+
+        @Override
+        public void onPlay() {
+            Log.d(TAG, "onPlay()");
+            PlayerStatus status = getStatus();
+            if (status == PlayerStatus.PAUSED || status == PlayerStatus.PREPARED) {
+                resume();
+            } else if (status == PlayerStatus.INITIALIZED) {
+                setStartWhenPrepared(true);
+                prepare();
+            }
+        }
+
+        @Override
+        public void onPause() {
+            Log.d(TAG, "onPause()");
+            if (getStatus() == PlayerStatus.PLAYING) {
+                pause(false, true);
+            }
+            if (UserPreferences.isPersistNotify()) {
+                pause(false, true);
+            } else {
+                pause(true, true);
+            }
+        }
+
+        @Override
+        public void onStop() {
+            Log.d(TAG, "onStop()");
+            mediaPlayer.stop();
+        }
+
+        @Override
+        public void onSkipToPrevious() {
+            Log.d(TAG, "onSkipToPrevious()");
+            seekDelta(-UserPreferences.getRewindSecs() * 1000);
+        }
+
+        @Override
+        public void onRewind() {
+            Log.d(TAG, "onRewind()");
+            seekDelta(-UserPreferences.getRewindSecs() * 1000);
+        }
+
+        @Override
+        public void onFastForward() {
+            Log.d(TAG, "onFastForward()");
+            seekDelta(UserPreferences.getFastFowardSecs() * 1000);
+        }
+
+        @Override
+        public void onSkipToNext() {
+            Log.d(TAG, "onSkipToNext()");
+            if(UserPreferences.shouldHardwareButtonSkip()) {
+                mediaPlayer.endPlayback(true);
+            } else {
+                seekDelta(UserPreferences.getFastFowardSecs() * 1000);
+            }
+        }
+
+
+        @Override
+        public void onSeekTo(long pos) {
+            Log.d(TAG, "onSeekTo()");
+            seekTo((int) pos);
+        }
+
+        @Override
+        public boolean onMediaButtonEvent(final Intent mediaButton) {
+            Log.d(TAG, "onMediaButtonEvent(" + mediaButton + ")");
+            if (mediaButton != null) {
+                KeyEvent keyEvent = (KeyEvent) mediaButton.getExtras().get(Intent.EXTRA_KEY_EVENT);
+                if (keyEvent != null &&
+                        keyEvent.getAction() == KeyEvent.ACTION_DOWN &&
+                        keyEvent.getRepeatCount() == 0){
+                    handleKeycode(keyEvent.getKeyCode(), keyEvent.getSource());
+                }
+            }
+            return false;
+        }
+    };
 }
diff --git a/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackServiceMediaPlayer.java b/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackServiceMediaPlayer.java
index aa51840a7..d8b334295 100644
--- a/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackServiceMediaPlayer.java
+++ b/core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackServiceMediaPlayer.java
@@ -1,29 +1,14 @@
 package de.danoeh.antennapod.core.service.playback;
 
-import android.app.PendingIntent;
-import android.content.ComponentName;
 import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.graphics.Bitmap;
 import android.media.AudioManager;
 import android.net.wifi.WifiManager;
 import android.os.PowerManager;
-import android.preference.PreferenceManager;
 import android.support.annotation.NonNull;
-import android.support.v4.media.MediaMetadataCompat;
-import android.support.v4.media.session.MediaSessionCompat;
-import android.support.v4.media.session.PlaybackStateCompat;
 import android.telephony.TelephonyManager;
 import android.util.Log;
 import android.util.Pair;
-import android.view.Display;
-import android.view.InputDevice;
-import android.view.KeyEvent;
 import android.view.SurfaceHolder;
-import android.view.WindowManager;
-
-import com.bumptech.glide.Glide;
 
 import org.antennapod.audio.MediaPlayer;
 
@@ -40,7 +25,6 @@ import de.danoeh.antennapod.core.feed.Chapter;
 import de.danoeh.antennapod.core.feed.FeedItem;
 import de.danoeh.antennapod.core.feed.FeedMedia;
 import de.danoeh.antennapod.core.feed.MediaType;
-import de.danoeh.antennapod.core.glide.ApGlideSettings;
 import de.danoeh.antennapod.core.preferences.UserPreferences;
 import de.danoeh.antennapod.core.storage.DBWriter;
 import de.danoeh.antennapod.core.util.RewindAfterPauseUtils;
@@ -52,7 +36,7 @@ import de.danoeh.antennapod.core.util.playback.VideoPlayer;
 /**
  * Manages the MediaPlayer object of the PlaybackService.
  */
-public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPreferenceChangeListener {
+public class PlaybackServiceMediaPlayer {
     public static final String TAG = "PlaybackSvcMediaPlayer";
 
     /**
@@ -66,10 +50,6 @@ public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPre
     private volatile PlayerStatus statusBeforeSeeking;
     private volatile IPlayer mediaPlayer;
     private volatile Playable media;
-    /**
-     * Only used for Lollipop notifications.
-     */
-    private final MediaSessionCompat mediaSession;
 
     private volatile boolean stream;
     private volatile MediaType mediaType;
@@ -110,43 +90,12 @@ public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPre
                 }
         );
 
-        MediaButtonIntentReceiver.setMediaPlayer(this);
-        ComponentName eventReceiver = new ComponentName(context.getPackageName(), MediaButtonIntentReceiver.class.getName());
-        Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
-        mediaButtonIntent.setComponent(eventReceiver);
-        PendingIntent buttonReceiverIntent = PendingIntent.getBroadcast(context, 0, mediaButtonIntent, PendingIntent.FLAG_UPDATE_CURRENT);
-
-        mediaSession = new MediaSessionCompat(context, TAG, eventReceiver, buttonReceiverIntent);
-
-        try {
-            mediaSession.setCallback(sessionCallback);
-            mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
-            mediaSession.setActive(true);
-        } catch (NullPointerException npe) {
-            // on some devices (Huawei) setting active can cause a NullPointerException
-            // even with correct use of the api.
-            // See http://stackoverflow.com/questions/31556679/android-huawei-mediassessioncompat
-            // and https://plus.google.com/+IanLake/posts/YgdTkKFxz7d
-            Log.e(TAG, "NullPointerException while setting up MediaSession");
-            npe.printStackTrace();
-        }
-
         mediaPlayer = null;
         statusBeforeSeeking = null;
         pausedBecauseOfTransientAudiofocusLoss = false;
         mediaType = MediaType.UNKNOWN;
         playerStatus = PlayerStatus.STOPPED;
         videoSize = null;
-
-        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-        prefs.registerOnSharedPreferenceChangeListener(this);
-    }
-
-    @Override
-    public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
-        if(key.equals(UserPreferences.PREF_LOCKSCREEN_BACKGROUND)) {
-            updateMediaSessionMetadata();
-        }
     }
 
     /**
@@ -249,7 +198,7 @@ public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPre
         setPlayerStatus(PlayerStatus.INITIALIZING, media);
         try {
             media.loadMetadata();
-            updateMediaSessionMetadata();
+            executor.submit(() -> callback.updateMediaSessionMetadata(media));
             if (stream) {
                 mediaPlayer.setDataSource(media.getStreamUrl());
             } else {
@@ -269,41 +218,6 @@ public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPre
         }
     }
 
-    private void updateMediaSessionMetadata() {
-        executor.execute(() -> {
-            final Playable p = this.media;
-            if (p == null) {
-                return;
-            }
-            MediaMetadataCompat.Builder builder = new MediaMetadataCompat.Builder();
-            builder.putString(MediaMetadataCompat.METADATA_KEY_ARTIST, p.getFeedTitle());
-            builder.putString(MediaMetadataCompat.METADATA_KEY_TITLE, p.getEpisodeTitle());
-            builder.putLong(MediaMetadataCompat.METADATA_KEY_DURATION, p.getDuration());
-            builder.putString(MediaMetadataCompat.METADATA_KEY_DISPLAY_TITLE, p.getEpisodeTitle());
-            builder.putString(MediaMetadataCompat.METADATA_KEY_ALBUM, p.getFeedTitle());
-
-            if (p.getImageUri() != null && UserPreferences.setLockscreenBackground()) {
-                builder.putString(MediaMetadataCompat.METADATA_KEY_ART_URI, p.getImageUri().toString());
-                try {
-                    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
-                    Display display = wm.getDefaultDisplay();
-                    Bitmap art = Glide.with(context)
-                            .load(p.getImageUri())
-                            .asBitmap()
-                            .diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY)
-                            .centerCrop()
-                            .into(display.getWidth(), display.getHeight())
-                            .get();
-                    builder.putBitmap(MediaMetadataCompat.METADATA_KEY_ART, art);
-                } catch (Throwable tr) {
-                    Log.e(TAG, Log.getStackTraceString(tr));
-                }
-            }
-            mediaSession.setMetadata(builder.build());
-        });
-    }
-
-
     /**
      * Resumes playback if the PSMP object is in PREPARED or PAUSED state. If the PSMP object is in an invalid state.
      * nothing will happen.
@@ -718,9 +632,6 @@ public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPre
         if (mediaPlayer != null) {
             mediaPlayer.release();
         }
-        if (mediaSession != null) {
-            mediaSession.release();
-        }
         releaseWifiLockIfNecessary();
     }
 
@@ -798,16 +709,6 @@ public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPre
     }
 
     /**
-     * Returns a token to this object's MediaSession. The MediaSession should only be used for notifications
-     * at the moment.
-     *
-     * @return The MediaSessionCompat.Token object.
-     */
-    public MediaSessionCompat.Token getSessionToken() {
-        return mediaSession.getSessionToken();
-    }
-
-    /**
      * Sets the player status of the PSMP object. PlayerStatus and media attributes have to be set at the same time
      * so that getPSMPInfo can't return an invalid state (e.g. status is PLAYING, but media is null).
      * <p/>
@@ -822,50 +723,9 @@ public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPre
 
         this.playerStatus = newStatus;
         this.media = newMedia;
-
-        PlaybackStateCompat.Builder sessionState = new PlaybackStateCompat.Builder();
-
-        int state;
         if (playerStatus != null) {
             Log.d(TAG, "playerStatus: " + playerStatus.toString());
-            switch (playerStatus) {
-                case PLAYING:
-                    state = PlaybackStateCompat.STATE_PLAYING;
-                    break;
-                case PREPARED:
-                case PAUSED:
-                    state = PlaybackStateCompat.STATE_PAUSED;
-                    break;
-                case STOPPED:
-                    state = PlaybackStateCompat.STATE_STOPPED;
-                    break;
-                case SEEKING:
-                    state = PlaybackStateCompat.STATE_FAST_FORWARDING;
-                    break;
-                case PREPARING:
-                case INITIALIZING:
-                    state = PlaybackStateCompat.STATE_CONNECTING;
-                    break;
-                case INITIALIZED:
-                case INDETERMINATE:
-                    state = PlaybackStateCompat.STATE_NONE;
-                    break;
-                case ERROR:
-                    state = PlaybackStateCompat.STATE_ERROR;
-                    break;
-                default:
-                    state = PlaybackStateCompat.STATE_NONE;
-                    break;
-            }
-        } else {
-            state = PlaybackStateCompat.STATE_NONE;
         }
-        sessionState.setState(state, getPosition(), getPlaybackSpeed());
-        sessionState.setActions(PlaybackStateCompat.ACTION_PLAY_PAUSE
-                | PlaybackStateCompat.ACTION_REWIND
-                | PlaybackStateCompat.ACTION_FAST_FORWARD
-                | PlaybackStateCompat.ACTION_SKIP_TO_NEXT);
-        mediaSession.setPlaybackState(sessionState.build());
 
         callback.statusChanged(new PSMPInfo(playerStatus, media));
     }
@@ -1022,6 +882,8 @@ public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPre
 
         void onBufferingUpdate(int percent);
 
+        void updateMediaSessionMetadata(Playable p);
+
         boolean onMediaPlayerInfo(int code);
 
         boolean onMediaPlayerError(Object inObj, int what, int extra);
@@ -1130,153 +992,4 @@ public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPre
         });
         t.start();
     }
-
-    private final MediaSessionCompat.Callback sessionCallback = new MediaSessionCompat.Callback() {
-
-        private static final String TAG = "MediaSessionCompat";
-
-        @Override
-        public void onPlay() {
-            Log.d(TAG, "onPlay()");
-            if (playerStatus == PlayerStatus.PAUSED || playerStatus == PlayerStatus.PREPARED) {
-                resume();
-            } else if (playerStatus == PlayerStatus.INITIALIZED) {
-                setStartWhenPrepared(true);
-                prepare();
-            }
-        }
-
-        @Override
-        public void onPause() {
-            Log.d(TAG, "onPause()");
-            if (playerStatus == PlayerStatus.PLAYING) {
-                pause(false, true);
-            }
-            if (UserPreferences.isPersistNotify()) {
-                pause(false, true);
-            } else {
-                pause(true, true);
-            }
-        }
-
-        @Override
-        public void onStop() {
-            Log.d(TAG, "onStop()");
-            stop();
-        }
-
-        @Override
-        public void onSkipToPrevious() {
-            Log.d(TAG, "onSkipToPrevious()");
-            seekDelta(-UserPreferences.getRewindSecs() * 1000);
-        }
-
-        @Override
-        public void onRewind() {
-            Log.d(TAG, "onRewind()");
-            seekDelta(-UserPreferences.getRewindSecs() * 1000);
-        }
-
-        @Override
-        public void onFastForward() {
-            Log.d(TAG, "onFastForward()");
-            seekDelta(UserPreferences.getFastFowardSecs() * 1000);
-        }
-
-        @Override
-        public void onSkipToNext() {
-            Log.d(TAG, "onSkipToNext()");
-            if(UserPreferences.shouldHardwareButtonSkip()) {
-                endPlayback(true);
-            } else {
-                seekDelta(UserPreferences.getFastFowardSecs() * 1000);
-            }
-        }
-
-
-        @Override
-        public void onSeekTo(long pos) {
-            Log.d(TAG, "onSeekTo()");
-            seekTo((int) pos);
-        }
-
-        @Override
-        public boolean onMediaButtonEvent(final Intent mediaButton) {
-            Log.d(TAG, "onMediaButtonEvent(" + mediaButton + ")");
-            if (mediaButton != null) {
-                KeyEvent keyEvent = (KeyEvent) mediaButton.getExtras().get(Intent.EXTRA_KEY_EVENT);
-                handleMediaKey(keyEvent);
-            }
-            return false;
-        }
-    };
-
-    public boolean handleMediaKey(KeyEvent event) {
-        Log.d(TAG, "handleMediaKey(" + event +")");
-        if (event != null
-                && event.getAction() == KeyEvent.ACTION_DOWN
-                && event.getRepeatCount() == 0) {
-            switch (event.getKeyCode()) {
-                case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
-                case KeyEvent.KEYCODE_HEADSETHOOK: {
-                    Log.d(TAG, "Received Play/Pause event from RemoteControlClient");
-                    if (playerStatus == PlayerStatus.PAUSED || playerStatus == PlayerStatus.PREPARED) {
-                        resume();
-                    } else if (playerStatus == PlayerStatus.INITIALIZED) {
-                        setStartWhenPrepared(true);
-                        prepare();
-                    } else if (playerStatus == PlayerStatus.PLAYING) {
-                        pause(false, true);
-                        if (UserPreferences.isPersistNotify()) {
-                            pause(false, true);
-                        } else {
-                            pause(true, true);
-                        }
-                    }
-                    return true;
-                }
-                case KeyEvent.KEYCODE_MEDIA_PLAY: {
-                    sessionCallback.onPlay();
-                    return true;
-                }
-                case KeyEvent.KEYCODE_MEDIA_PAUSE: {
-                    sessionCallback.onPause();
-                    return true;
-                }
-                case KeyEvent.KEYCODE_MEDIA_STOP: {
-                    sessionCallback.onStop();
-                    return true;
-                }
-                case KeyEvent.KEYCODE_MEDIA_PREVIOUS: {
-                    sessionCallback.onSkipToPrevious();
-                    return true;
-                }
-                case KeyEvent.KEYCODE_MEDIA_REWIND: {
-                    sessionCallback.onRewind();
-                    return true;
-                }
-                case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD: {
-                    sessionCallback.onFastForward();
-                    return true;
-                }
-                case KeyEvent.KEYCODE_MEDIA_NEXT: {
-                    if(event.getSource() == InputDevice.SOURCE_CLASS_NONE ||
-                            UserPreferences.shouldHardwareButtonSkip()) {
-                        // assume the skip command comes from a notification or the lockscreen
-                        // a >| skip button should actually skip
-                        endPlayback(true);
-                    } else {
-                        // assume skip command comes from a (bluetooth) media button
-                        // user actually wants to fast-forward
-                        seekDelta(UserPreferences.getFastFowardSecs() * 1000);
-                    }
-                    return true;
-                }
-                default:
-                    Log.d(TAG, "Unhandled key code: " + event.getKeyCode());
-                    break;
-            }
-        }
-        return false;
-    }
 }