@Override
public void play(QueueItem item) {
mPlayOnFocusGain = true;
tryToGetAudioFocus();
registerAudioNoisyReceiver();
String mediaId = item.getDescription().getMediaId();
boolean mediaHasChanged = !TextUtils.equals(mediaId, mCurrentMediaId);
if (mediaHasChanged) {
mCurrentPosition = 0;
mCurrentMediaId = mediaId;
}
if (mState == PlaybackStateCompat.STATE_PAUSED && !mediaHasChanged && mMediaPlayer != null) {
configMediaPlayerState();
} else {
mState = PlaybackStateCompat.STATE_STOPPED;
relaxResources(false); // release everything except MediaPlayer
MediaMetadataCompat track =
mMusicProvider.getMusic(
MediaIDHelper.extractMusicIDFromMediaID(item.getDescription().getMediaId()));
String source =
MusicProvider.getTrackSource(track.getString(MediaMetadataCompat.METADATA_KEY_MEDIA_ID));
try {
createMediaPlayerIfNeeded();
mState = PlaybackStateCompat.STATE_BUFFERING;
mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mMediaPlayer.setDataSource(source);
// Starts preparing the media player in the background. When
// it's done, it will call our OnPreparedListener (that is,
// the onPrepared() method on this class, since we set the
// listener to 'this'). Until the media player is prepared,
// we *cannot* call start() on it!
mMediaPlayer.prepareAsync();
// If we are streaming from the internet, we want to hold a
// Wifi lock, which prevents the Wifi radio from going to
// sleep while the song is playing.
mWifiLock.acquire();
if (mCallback != null) {
mCallback.onPlaybackStatusChanged(mState);
}
} catch (IOException ex) {
LogHelper.e(TAG, ex, "Exception playing song");
if (mCallback != null) {
mCallback.onError(ex.getMessage());
}
}
}
}
@Override
public void onCustomAction(@NonNull String action, Bundle extras) {
if (CUSTOM_ACTION_THUMBS_UP.equals(action)) {
LogHelper.i(TAG, "onCustomAction: favorite for current track");
MediaMetadataCompat track = getCurrentPlayingMusic();
if (track != null) {
String musicId = track.getString(MediaMetadataCompat.METADATA_KEY_MEDIA_ID);
mMusicProvider.setFavorite(musicId, !mMusicProvider.isFavorite(musicId));
}
// playback state needs to be updated because the "Favorite" icon on the
// custom action will change to reflect the new favorite state.
updatePlaybackState(null);
} else {
LogHelper.e(TAG, "Unsupported action: ", action);
}
}
private void setCustomAction(PlaybackStateCompat.Builder stateBuilder) {
MediaMetadataCompat currentMusic = getCurrentPlayingMusic();
if (currentMusic != null) {
// Set appropriate "Favorite" icon on Custom action:
String musicId = currentMusic.getString(MediaMetadataCompat.METADATA_KEY_MEDIA_ID);
int favoriteIcon = R.drawable.ic_star_off;
if (mMusicProvider.isFavorite(musicId)) {
favoriteIcon = R.drawable.ic_star_on;
}
LogHelper.d(
TAG,
"updatePlaybackState, setting Favorite custom action of music ",
musicId,
" current favorite=",
mMusicProvider.isFavorite(musicId));
Bundle customActionExtras = new Bundle();
WearHelper.setShowCustomActionOnWear(customActionExtras, true);
stateBuilder.addCustomAction(
new PlaybackStateCompat.CustomAction.Builder(
CUSTOM_ACTION_THUMBS_UP, getString(R.string.favorite), favoriteIcon)
.setExtras(customActionExtras)
.build());
}
}
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;
}
MediaSessionCompat.QueueItem queueItem = mPlayingQueue.get(mCurrentIndexOnQueue);
String musicId =
MediaIDHelper.extractMusicIDFromMediaID(queueItem.getDescription().getMediaId());
MediaMetadataCompat track = mMusicProvider.getMusic(musicId);
if (track == null) {
throw new IllegalArgumentException("Invalid musicId " + musicId);
}
final String trackId = track.getString(MediaMetadataCompat.METADATA_KEY_MEDIA_ID);
if (!TextUtils.equals(musicId, 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) {
MediaSessionCompat.QueueItem queueItem = mPlayingQueue.get(mCurrentIndexOnQueue);
MediaMetadataCompat track = mMusicProvider.getMusic(trackId);
track =
new MediaMetadataCompat.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(MediaMetadataCompat.METADATA_KEY_ALBUM_ART, bitmap)
// set small version of the album art in the DISPLAY_ICON. This is used on
// the MediaDescriptionCompat and thus it should be small to be serialized
// if
// necessary..
.putBitmap(MediaMetadataCompat.METADATA_KEY_DISPLAY_ICON, icon)
.build();
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);
}
}
});
}
}