Set lockscreen background, set media session and playback state

app/src/main/AndroidManifest.xml

@@ -325,6 +325,11 @@
                     android:scheme="package"/>
             </intent-filter>
         </receiver>
+        <receiver android:name="de.danoeh.antennapod.core.service.playback.MediaButtonIntentReceiver">
+            <intent-filter>
+                <action android:name="android.intent.action.MEDIA_BUTTON" />
+            </intent-filter>
+        </receiver>
 
         <meta-data
             android:name="de.danoeh.antennapod.core.glide.ApGlideModule"

app/src/main/res/xml/preferences.xml

@@ -44,6 +44,12 @@
             android:key="prefPersistNotify"
             android:summary="@string/pref_persistNotify_sum"
             android:title="@string/pref_persistNotify_title"/>
+        <CheckBoxPreference
+            android:defaultValue="false"
+            android:enabled="true"
+            android:key="prefLockscreenBackground"
+            android:summary="@string/pref_lockscreen_background_sum"
+            android:title="@string/pref_lockscreen_background_title"/>
         <CheckBoxPreference
             android:defaultValue="true"
             android:enabled="true"

core/src/main/java/de/danoeh/antennapod/core/preferences/UserPreferences.java

@@ -47,6 +47,7 @@ public class UserPreferences {
     public static final String PREF_DRAWER_FEED_COUNTER = "prefDrawerFeedIndicator";
     public static final String PREF_EXPANDED_NOTIFICATION = "prefExpandNotify";
     public static final String PREF_PERSISTENT_NOTIFICATION = "prefPersistNotify";
+    public static final String PREF_LOCKSCREEN_BACKGROUND = "prefLockscreenBackground";
     public static final String PREF_SHOW_DOWNLOAD_REPORT = "prefShowDownloadReport";
 
     // Queue
@@ -171,6 +172,15 @@ public class UserPreferences {
         return prefs.getBoolean(PREF_PERSISTENT_NOTIFICATION, false);
     }
 
+    /**
+     * Returns true if notifications are persistent
+     *
+     * @return {@code true} if notifications are persistent, {@code false}  otherwise
+     */
+    public static boolean setLockscreenBackground() {
+        return prefs.getBoolean(PREF_LOCKSCREEN_BACKGROUND, false);
+    }
+
     /**
      * Returns true if download reports are shown
      *

core/src/main/java/de/danoeh/antennapod/core/service/playback/MediaButtonIntentReceiver.java

@@ -4,11 +4,10 @@ import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.util.Log;
-import android.view.KeyEvent;
 
 public class MediaButtonIntentReceiver extends BroadcastReceiver {
 
-    private static final String TAG = "MediaButtonIntentReceiver";
+    private static final String TAG = "MediaButtonIntentRcver";
 
     private static PlaybackServiceMediaPlayer mMediaPlayer;
 
@@ -20,7 +19,7 @@ public class MediaButtonIntentReceiver extends BroadcastReceiver {
     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((KeyEvent)intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT));
+            mMediaPlayer.handleMediaKey(intent.getParcelableExtra(Intent.EXTRA_KEY_EVENT));
         }
     }
 

core/src/main/java/de/danoeh/antennapod/core/service/playback/PlaybackServiceMediaPlayer.java

@@ -4,9 +4,12 @@ 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.v4.media.MediaMetadataCompat;
 import android.support.v4.media.session.MediaSessionCompat;
 import android.support.v4.media.session.PlaybackStateCompat;
@@ -16,6 +19,9 @@ import android.util.Pair;
 import android.view.KeyEvent;
 import android.view.SurfaceHolder;
 
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.request.target.Target;
+
 import org.apache.commons.lang3.Validate;
 
 import java.io.IOException;
@@ -30,6 +36,7 @@ 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.playback.AudioPlayer;
@@ -40,7 +47,7 @@ import de.danoeh.antennapod.core.util.playback.VideoPlayer;
 /**
  * Manages the MediaPlayer object of the PlaybackService.
  */
-public class PlaybackServiceMediaPlayer {
+public class PlaybackServiceMediaPlayer implements SharedPreferences.OnSharedPreferenceChangeListener {
     public static final String TAG = "PlaybackSvcMediaPlayer";
 
     /**
@@ -103,7 +110,7 @@ public class PlaybackServiceMediaPlayer {
         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, 0);
+        PendingIntent buttonReceiverIntent = PendingIntent.getBroadcast(context, 0, mediaButtonIntent, PendingIntent.FLAG_UPDATE_CURRENT);
 
         mediaSession = new MediaSessionCompat(context, TAG, eventReceiver, buttonReceiverIntent);
         mediaSession.setCallback(sessionCallback);
@@ -116,6 +123,16 @@ public class PlaybackServiceMediaPlayer {
         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();
+        }
     }
 
     /**
@@ -224,7 +241,7 @@ public class PlaybackServiceMediaPlayer {
         setPlayerStatus(PlayerStatus.INITIALIZING, media);
         try {
             media.loadMetadata();
-            mediaSession.setMetadata(getMediaSessionMetadata(media));
+            updateMediaSessionMetadata();
             if (stream) {
                 mediaPlayer.setDataSource(media.getStreamUrl());
             } else {
@@ -255,13 +272,33 @@ public class PlaybackServiceMediaPlayer {
         }
     }
 
-    private MediaMetadataCompat getMediaSessionMetadata(Playable p) {
+    private void updateMediaSessionMetadata() {
-        MediaMetadataCompat.Builder builder = new MediaMetadataCompat.Builder();
+        executor.execute(() -> {
-        builder.putString(MediaMetadataCompat.METADATA_KEY_ARTIST, p.getFeedTitle());
+            Playable p = this.media;
-        builder.putString(MediaMetadataCompat.METADATA_KEY_TITLE, p.getEpisodeTitle());
+            MediaMetadataCompat.Builder builder = new MediaMetadataCompat.Builder();
-        builder.putString(MediaMetadataCompat.METADATA_KEY_DISPLAY_TITLE, p.getEpisodeTitle());
+            builder.putString(MediaMetadataCompat.METADATA_KEY_ARTIST, p.getFeedTitle());
-        builder.putString(MediaMetadataCompat.METADATA_KEY_ALBUM, p.getFeedTitle());
+            builder.putString(MediaMetadataCompat.METADATA_KEY_TITLE, p.getEpisodeTitle());
-        return builder.build();
+            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) {
+                if (UserPreferences.setLockscreenBackground()) {
+                    builder.putString(MediaMetadataCompat.METADATA_KEY_ART_URI, p.getImageUri().toString());
+                    try {
+                        Bitmap art = Glide.with(context)
+                                .load(p.getImageUri())
+                                .asBitmap()
+                                .diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY)
+                                .into(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
+                                .get();
+                        builder.putBitmap(MediaMetadataCompat.METADATA_KEY_ART, art);
+                    } catch (Exception e) {
+                        Log.e(TAG, Log.getStackTraceString(e));
+                    }
+                }
+            }
+            mediaSession.setMetadata(builder.build());
+        });
     }
 
 
@@ -812,7 +849,12 @@ public class PlaybackServiceMediaPlayer {
         } else {
             state = PlaybackStateCompat.STATE_NONE;
         }
-        sessionState.setState(state, PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN, getPlaybackSpeed());
+        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));
     }
@@ -1218,7 +1260,14 @@ public class PlaybackServiceMediaPlayer {
                         stop();
                         return true;
                     }
+                    case KeyEvent.KEYCODE_MEDIA_NEXT:
+                    {
+                        Log.d(TAG, "Received next event from RemoteControlClient");
+                        endPlayback();
+                        return true;
+                    }
                     default:
+                        Log.d(TAG, "Unhandled key code: " + event.getKeyCode());
                         break;
                 }
             }

core/src/main/res/values/strings.xml

@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources
     xmlns:tools="http://schemas.android.com/tools"
-    tools:ignore="MissingTranslation"
+    tools:ignore="MissingTranslation">
-    >
 
     <!-- Activitiy and fragment titles -->
     <string name="app_name">AntennaPod</string>
@@ -335,6 +334,8 @@
     <string name="pref_expandNotify_sum">Always expand the notification to show playback buttons.</string>
     <string name="pref_persistNotify_title">Persistent Playback Controls</string>
     <string name="pref_persistNotify_sum">Keep notification and lockscreen controls when playback is paused.</string>
+    <string name="pref_lockscreen_background_title">Lockscreen Background</string>
+    <string name="pref_lockscreen_background_sum">Set the lockscreen background to the current episode\'s image.</string>
     <string name="pref_showDownloadReport_title">Show Download Report</string>
     <string name="pref_showDownloadReport_sum">If downloads fail, generate a report that shows the details of the failure.</string>
     <string name="pref_expand_notify_unsupport_toast">Android versions before 4.1 do not support expanded notifications.</string>