private MediaMetadata getCurrentPlayingMusic() {
if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
MediaSession.QueueItem item = mPlayingQueue.get(mCurrentIndexOnQueue);
if (item != null) {
LogHelper.d(TAG, "getCurrentPlayingMusic for musicId=", item.getDescription().getMediaId());
return mMusicProvider.getMusic(
MediaIDHelper.extractMusicIDFromMediaID(item.getDescription().getMediaId()));
}
}
return null;
}
public static int getMusicIndexOnQueue(Iterable<MediaSession.QueueItem> queue, String mediaId) {
int index = 0;
for (MediaSession.QueueItem item : queue) {
if (mediaId.equals(item.getDescription().getMediaId())) {
return index;
}
index++;
}
return -1;
}
private void updateMetadata() {
if (!QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
LogHelper.e(TAG, "Can't retrieve current metadata.");
updatePlaybackState(getResources().getString(R.string.error_no_metadata));
return;
}
MediaSession.QueueItem queueItem = mPlayingQueue.get(mCurrentIndexOnQueue);
String musicId =
MediaIDHelper.extractMusicIDFromMediaID(queueItem.getDescription().getMediaId());
MediaMetadata track = mMusicProvider.getMusic(musicId);
final String trackId = track.getString(MediaMetadata.METADATA_KEY_MEDIA_ID);
if (!musicId.equals(trackId)) {
IllegalStateException e = new IllegalStateException("track ID should match musicId.");
LogHelper.e(
TAG,
"track ID should match musicId.",
" musicId=",
musicId,
" trackId=",
trackId,
" mediaId from queueItem=",
queueItem.getDescription().getMediaId(),
" title from queueItem=",
queueItem.getDescription().getTitle(),
" mediaId from track=",
track.getDescription().getMediaId(),
" title from track=",
track.getDescription().getTitle(),
" source.hashcode from track=",
track.getString(MusicProvider.CUSTOM_METADATA_TRACK_SOURCE).hashCode(),
e);
throw e;
}
LogHelper.d(TAG, "Updating metadata for MusicID= " + musicId);
mSession.setMetadata(track);
// Set the proper album artwork on the media session, so it can be shown in the
// locked screen and in other places.
if (track.getDescription().getIconBitmap() == null
&& track.getDescription().getIconUri() != null) {
String albumUri = track.getDescription().getIconUri().toString();
AlbumArtCache.getInstance()
.fetch(
albumUri,
new AlbumArtCache.FetchListener() {
@Override
public void onFetched(String artUrl, Bitmap bitmap, Bitmap icon) {
MediaSession.QueueItem queueItem = mPlayingQueue.get(mCurrentIndexOnQueue);
MediaMetadata track = mMusicProvider.getMusic(trackId);
track =
new MediaMetadata.Builder(track)
// set high resolution bitmap in METADATA_KEY_ALBUM_ART. This is used, for
// example, on the lockscreen background when the media session is active.
.putBitmap(MediaMetadata.METADATA_KEY_ALBUM_ART, bitmap)
// set small version of the album art in the DISPLAY_ICON. This is used on
// the MediaDescription and thus it should be small to be serialized if
// necessary..
.putBitmap(MediaMetadata.METADATA_KEY_DISPLAY_ICON, icon)
.build();
MediaDescription md;
mMusicProvider.updateMusic(trackId, track);
// If we are still playing the same music
String currentPlayingId =
MediaIDHelper.extractMusicIDFromMediaID(
queueItem.getDescription().getMediaId());
if (trackId.equals(currentPlayingId)) {
mSession.setMetadata(track);
}
}
});
}
}