/**
* Actual implementation of onLoadChildren that assumes that MusicProvider is already initialized.
*/
private void loadChildrenImpl(
final String parentMediaId, final Result<List<MediaBrowser.MediaItem>> result) {
LogHelper.d(TAG, "OnLoadChildren: parentMediaId=", parentMediaId);
List<MediaBrowser.MediaItem> mediaItems = new ArrayList<>();
if (MEDIA_ID_ROOT.equals(parentMediaId)) {
LogHelper.d(TAG, "OnLoadChildren.ROOT");
mediaItems.add(
new MediaBrowser.MediaItem(
new MediaDescription.Builder()
.setMediaId(MEDIA_ID_MUSICS_BY_GENRE)
.setTitle(getString(R.string.browse_genres))
.setIconUri(
Uri.parse(
"android.resource://" + "com.example.android.uamp/drawable/ic_by_genre"))
.setSubtitle(getString(R.string.browse_genre_subtitle))
.build(),
MediaBrowser.MediaItem.FLAG_BROWSABLE));
} else if (MEDIA_ID_MUSICS_BY_GENRE.equals(parentMediaId)) {
LogHelper.d(TAG, "OnLoadChildren.GENRES");
for (String genre : mMusicProvider.getGenres()) {
MediaBrowser.MediaItem item =
new MediaBrowser.MediaItem(
new MediaDescription.Builder()
.setMediaId(createBrowseCategoryMediaID(MEDIA_ID_MUSICS_BY_GENRE, genre))
.setTitle(genre)
.setSubtitle(getString(R.string.browse_musics_by_genre_subtitle, genre))
.build(),
MediaBrowser.MediaItem.FLAG_BROWSABLE);
mediaItems.add(item);
}
} else if (parentMediaId.startsWith(MEDIA_ID_MUSICS_BY_GENRE)) {
String genre = MediaIDHelper.getHierarchy(parentMediaId)[1];
LogHelper.d(TAG, "OnLoadChildren.SONGS_BY_GENRE genre=", genre);
for (MediaMetadata track : mMusicProvider.getMusicsByGenre(genre)) {
// Since mediaMetadata fields are immutable, we need to create a copy, so we
// can set a hierarchy-aware mediaID. We will need to know the media hierarchy
// when we get a onPlayFromMusicID call, so we can create the proper queue based
// on where the music was selected from (by artist, by genre, random, etc)
String hierarchyAwareMediaID =
MediaIDHelper.createMediaID(
track.getDescription().getMediaId(), MEDIA_ID_MUSICS_BY_GENRE, genre);
MediaMetadata trackCopy =
new MediaMetadata.Builder(track)
.putString(MediaMetadata.METADATA_KEY_MEDIA_ID, hierarchyAwareMediaID)
.build();
MediaBrowser.MediaItem bItem =
new MediaBrowser.MediaItem(trackCopy.getDescription(), MediaItem.FLAG_PLAYABLE);
mediaItems.add(bItem);
}
} else {
LogHelper.w(TAG, "Skipping unmatched parentMediaId: ", parentMediaId);
}
LogHelper.d(TAG, "OnLoadChildren sending ", mediaItems.size(), " results for ", parentMediaId);
result.sendResult(mediaItems);
}
@Override
public void handleMessage(Message msg) {
MusicService service = mWeakReference.get();
if (service != null && service.mPlayback != null) {
if (service.mPlayback.isPlaying()) {
LogHelper.d(TAG, "Ignoring delayed stop since the media player is in use.");
return;
}
LogHelper.d(TAG, "Stopping service with delay handler.");
service.stopSelf();
service.mServiceStarted = false;
}
}
@Override
public void onPlayFromSearch(String query, Bundle extras) {
LogHelper.d(TAG, "playFromSearch query=", query);
mPlayingQueue = QueueHelper.getPlayingQueueFromSearch(query, mMusicProvider);
LogHelper.d(TAG, "playFromSearch playqueue.length=" + mPlayingQueue.size());
mSession.setQueue(mPlayingQueue);
if (mPlayingQueue != null && !mPlayingQueue.isEmpty()) {
// start playing from the beginning of the queue
mCurrentIndexOnQueue = 0;
handlePlayRequest();
}
}
@Override
public void onPlayFromSearch(final String query, final Bundle extras) {
LogHelper.d(TAG, "playFromSearch query=", query, " extras=", extras);
mPlayback.setState(PlaybackStateCompat.STATE_CONNECTING);
// Voice searches may occur before the media catalog has been
// prepared. We only handle the search after the musicProvider is ready.
mMusicProvider.retrieveMediaAsync(
new MusicProvider.Callback() {
@Override
public void onMusicCatalogReady(boolean success) {
mPlayingQueue = QueueHelper.getPlayingQueueFromSearch(query, extras, mMusicProvider);
LogHelper.d(TAG, "playFromSearch playqueue.length=" + mPlayingQueue.size());
mSession.setQueue(mPlayingQueue);
if (mPlayingQueue != null && !mPlayingQueue.isEmpty()) {
// immediately start playing from the beginning of the search results
mCurrentIndexOnQueue = 0;
handlePlayRequest();
} else {
// if nothing was found, we need to warn the user and stop playing
handleStopRequest(getString(R.string.no_search_results));
}
}
});
}
@Override
public BrowserRoot onGetRoot(@NonNull String clientPackageName, int clientUid, Bundle rootHints) {
LogHelper.d(
TAG,
"OnGetRoot: clientPackageName=" + clientPackageName,
"; clientUid=" + clientUid + " ; rootHints=",
rootHints);
// To ensure you are not allowing any arbitrary app to browse your app's contents, you
// need to check the origin:
if (!mPackageValidator.isCallerAllowed(this, clientPackageName, clientUid)) {
// If the request comes from an untrusted package, return null. No further calls will
// be made to other media browsing methods.
LogHelper.w(TAG, "OnGetRoot: IGNORING request from untrusted package " + clientPackageName);
return null;
}
//noinspection StatementWithEmptyBody
if (CarHelper.isValidCarPackage(clientPackageName)) {
// Optional: if your app needs to adapt the music library to show a different subset
// when connected to the car, this is where you should handle it.
// If you want to adapt other runtime behaviors, like tweak ads or change some behavior
// that should be different on cars, you should instead use the boolean flag
// set by the BroadcastReceiver mCarConnectionReceiver (mIsConnectedToCar).
}
//noinspection StatementWithEmptyBody
if (WearHelper.isValidWearCompanionPackage(clientPackageName)) {
// Optional: if your app needs to adapt the music library for when browsing from a
// Wear device, you should return a different MEDIA ROOT here, and then,
// on onLoadChildren, handle it accordingly.
}
return new BrowserRoot(MEDIA_ID_ROOT, null);
}
@Override
public void onPlayFromMediaId(String mediaId, Bundle extras) {
LogHelper.d(TAG, "playFromMediaId mediaId:", mediaId, " extras=", extras);
// The mediaId used here is not the unique musicId. This one comes from the
// MediaBrowser, and is actually a "hierarchy-aware mediaID": a concatenation of
// the hierarchy in MediaBrowser and the actual unique musicID. This is necessary
// so we can build the correct playing queue, based on where the track was
// selected from.
mPlayingQueue = QueueHelper.getPlayingQueue(mediaId, mMusicProvider);
mSession.setQueue(mPlayingQueue);
String queueTitle =
getString(
R.string.browse_musics_by_genre_subtitle,
MediaIDHelper.extractBrowseCategoryValueFromMediaID(mediaId));
mSession.setQueueTitle(queueTitle);
if (mPlayingQueue != null && !mPlayingQueue.isEmpty()) {
// set the current index on queue from the media Id:
mCurrentIndexOnQueue = QueueHelper.getMusicIndexOnQueue(mPlayingQueue, mediaId);
if (mCurrentIndexOnQueue < 0) {
LogHelper.e(
TAG,
"playFromMediaId: media ID ",
mediaId,
" could not be found on queue. Ignoring.");
} else {
// play the music
handlePlayRequest();
}
}
}
/** Handle a request to pause music */
private void handlePauseRequest() {
LogHelper.d(TAG, "handlePauseRequest: mState=" + mPlayback.getState());
mPlayback.pause();
// reset the delayed stop handler.
mDelayedStopHandler.removeCallbacksAndMessages(null);
mDelayedStopHandler.sendEmptyMessageDelayed(0, STOP_DELAY);
}
/**
* Update the current media player state, optionally showing an error message.
*
* @param error if not null, error message to present to the user.
*/
private void updatePlaybackState(String error) {
LogHelper.d(TAG, "updatePlaybackState, playback state=" + mPlayback.getState());
long position = PlaybackState.PLAYBACK_POSITION_UNKNOWN;
if (mPlayback != null && mPlayback.isConnected()) {
position = mPlayback.getCurrentStreamPosition();
}
PlaybackState.Builder stateBuilder =
new PlaybackState.Builder().setActions(getAvailableActions());
setCustomAction(stateBuilder);
int state = mPlayback.getState();
// If there is an error message, send it to the playback state:
if (error != null) {
// Error states are really only supposed to be used for errors that cause playback to
// stop unexpectedly and persist until the user takes action to fix it.
stateBuilder.setErrorMessage(error);
state = PlaybackState.STATE_ERROR;
}
stateBuilder.setState(state, position, 1.0f, SystemClock.elapsedRealtime());
// Set the activeQueueItemId if the current index is valid.
if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
MediaSession.QueueItem item = mPlayingQueue.get(mCurrentIndexOnQueue);
stateBuilder.setActiveQueueItemId(item.getQueueId());
}
mSession.setPlaybackState(stateBuilder.build());
if (state == PlaybackState.STATE_PLAYING || state == PlaybackState.STATE_PAUSED) {
mMediaNotificationManager.startNotification();
}
}
@Override
public void onDisconnected() {
LogHelper.d(TAG, "onDisconnected");
mSessionExtras.remove(EXTRA_CONNECTED_CAST);
mSession.setExtras(mSessionExtras);
Playback playback = new LocalPlayback(MusicService.this, mMusicProvider);
mMediaRouter.setMediaSession(null);
switchToPlayer(playback, false);
}
@Override
public void onStop() {
super.onStop();
LogHelper.d(TAG, "fragment.onStop");
MediaControllerCompat controller =
((FragmentActivity) getActivity()).getSupportMediaController();
if (controller != null) {
controller.unregisterCallback(mCallback);
}
}
public void onConnected() {
MediaControllerCompat controller =
((FragmentActivity) getActivity()).getSupportMediaController();
LogHelper.d(TAG, "onConnected, mediaController==null? ", controller == null);
if (controller != null) {
onMetadataChanged(controller.getMetadata());
onPlaybackStateChanged(controller.getPlaybackState());
controller.registerCallback(mCallback);
}
}
@Override
public void onStart() {
super.onStart();
LogHelper.d(TAG, "fragment.onStart");
MediaControllerCompat controller =
((FragmentActivity) getActivity()).getSupportMediaController();
if (controller != null) {
onConnected();
}
}
@Override
public void onSkipToQueueItem(long queueId) {
LogHelper.d(TAG, "OnSkipToQueueItem:" + queueId);
if (mPlayingQueue != null && !mPlayingQueue.isEmpty()) {
// set the current index on queue from the music Id:
mCurrentIndexOnQueue = QueueHelper.getMusicIndexOnQueue(mPlayingQueue, queueId);
// play the music
handlePlayRequest();
}
}
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;
}
@Override
public void onMetadataChanged(String mediaId) {
LogHelper.d(TAG, "onMetadataChanged", mediaId);
List<MediaSession.QueueItem> queue = QueueHelper.getPlayingQueue(mediaId, mMusicProvider);
int index = QueueHelper.getMusicIndexOnQueue(queue, mediaId);
if (index > -1) {
mCurrentIndexOnQueue = index;
mPlayingQueue = queue;
updateMetadata();
}
}
/** Handle a request to stop music */
private void handleStopRequest(String withError) {
LogHelper.d(TAG, "handleStopRequest: mState=" + mPlayback.getState() + " error=", withError);
mPlayback.stop(true);
// reset the delayed stop handler.
mDelayedStopHandler.removeCallbacksAndMessages(null);
mDelayedStopHandler.sendEmptyMessageDelayed(0, STOP_DELAY);
updatePlaybackState(withError);
// service is no longer necessary. Will be started again if needed.
stopSelf();
mServiceStarted = false;
}
@Override
public void onMetadataChanged(MediaMetadataCompat metadata) {
if (metadata == null) {
return;
}
LogHelper.d(
TAG,
"Received metadata state change to mediaId=",
metadata.getDescription().getMediaId(),
" song=",
metadata.getDescription().getTitle());
PlaybackControlsFragment.this.onMetadataChanged(metadata);
}
@Override
public void onClick(View v) {
MediaControllerCompat controller =
((FragmentActivity) getActivity()).getSupportMediaController();
PlaybackStateCompat stateObj = controller.getPlaybackState();
final int state = stateObj == null ? PlaybackStateCompat.STATE_NONE : stateObj.getState();
LogHelper.d(TAG, "Button pressed, in state " + state);
switch (v.getId()) {
case R.id.play_pause:
LogHelper.d(TAG, "Play button pressed, in state " + state);
if (state == PlaybackStateCompat.STATE_PAUSED
|| state == PlaybackStateCompat.STATE_STOPPED
|| state == PlaybackStateCompat.STATE_NONE) {
playMedia();
} else if (state == PlaybackStateCompat.STATE_PLAYING
|| state == PlaybackStateCompat.STATE_BUFFERING
|| state == PlaybackStateCompat.STATE_CONNECTING) {
pauseMedia();
}
break;
}
}
/**
* (non-Javadoc)
*
* @see android.app.Service#onDestroy()
*/
@Override
public void onDestroy() {
LogHelper.d(TAG, "onDestroy");
// Service is being killed, so make sure we release our resources
handleStopRequest(null);
mCastManager = ((UAMPApplication) getApplication()).getCastManager(getApplicationContext());
mCastManager.removeVideoCastConsumer(mCastConsumer);
mDelayedStopHandler.removeCallbacksAndMessages(null);
// Always release the MediaSession to clean up resources
// and notify associated MediaController(s).
mSession.release();
}
/**
* Helper to switch to a different Playback instance
*
* @param playback switch to this playback
*/
private void switchToPlayer(Playback playback, boolean resumePlaying) {
if (playback == null) {
throw new IllegalArgumentException("Playback cannot be null");
}
// suspend the current one.
int oldState = mPlayback.getState();
int pos = mPlayback.getCurrentStreamPosition();
String currentMediaId = mPlayback.getCurrentMediaId();
LogHelper.d(TAG, "Current position from " + playback + " is ", pos);
mPlayback.stop(false);
playback.setCallback(this);
playback.setCurrentStreamPosition(pos < 0 ? 0 : pos);
playback.setCurrentMediaId(currentMediaId);
playback.start();
// finally swap the instance
mPlayback = playback;
switch (oldState) {
case PlaybackState.STATE_BUFFERING:
case PlaybackState.STATE_CONNECTING:
case PlaybackState.STATE_PAUSED:
mPlayback.pause();
break;
case PlaybackState.STATE_PLAYING:
if (resumePlaying && QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
mPlayback.play(mPlayingQueue.get(mCurrentIndexOnQueue));
} else if (!resumePlaying) {
mPlayback.pause();
} else {
mPlayback.stop(true);
}
break;
case PlaybackState.STATE_NONE:
break;
default:
LogHelper.d(TAG, "Default called. Old state is ", oldState);
}
}
/**
* (non-Javadoc)
*
* @see android.app.Service#onDestroy()
*/
@Override
public void onDestroy() {
LogHelper.d(TAG, "onDestroy");
unregisterReceiver(mCarConnectionReceiver);
// Service is being killed, so make sure we release our resources
handleStopRequest(null);
mCastManager = VideoCastManager.getInstance();
mCastManager.removeVideoCastConsumer(mCastConsumer);
mDelayedStopHandler.removeCallbacksAndMessages(null);
// Always release the MediaSessionCompat to clean up resources
// and notify associated MediaControllerCompat(s).
mSession.release();
}
@Override
public void onPlay() {
LogHelper.d(TAG, "play");
if (mPlayingQueue == null || mPlayingQueue.isEmpty()) {
mPlayingQueue = QueueHelper.getRandomQueue(mMusicProvider);
mSession.setQueue(mPlayingQueue);
mSession.setQueueTitle(getString(R.string.random_queue_title));
// start playing from the beginning of the queue
mCurrentIndexOnQueue = 0;
}
if (mPlayingQueue != null && !mPlayingQueue.isEmpty()) {
handlePlayRequest();
}
}
private void onMetadataChanged(MediaMetadataCompat metadata) {
LogHelper.d(TAG, "onMetadataChanged ", metadata);
if (getActivity() == null) {
LogHelper.w(
TAG,
"onMetadataChanged called when getActivity null,"
+ "this should not happen if the callback was properly unregistered. Ignoring.");
return;
}
if (metadata == null) {
return;
}
mTitle.setText(metadata.getDescription().getTitle());
mSubtitle.setText(metadata.getDescription().getSubtitle());
String artUrl = null;
if (metadata.getDescription().getIconUri() != null) {
artUrl = metadata.getDescription().getIconUri().toString();
}
if (!TextUtils.equals(artUrl, mArtUrl)) {
mArtUrl = artUrl;
Bitmap art = metadata.getDescription().getIconBitmap();
AlbumArtCache cache = AlbumArtCache.getInstance();
if (art == null) {
art = cache.getIconImage(mArtUrl);
}
if (art != null) {
mAlbumArt.setImageBitmap(art);
} else {
cache.fetch(
artUrl,
new AlbumArtCache.FetchListener() {
@Override
public void onFetched(String artUrl, Bitmap bitmap, Bitmap icon) {
if (icon != null) {
LogHelper.d(
TAG, "album art icon of w=", icon.getWidth(), " h=", icon.getHeight());
if (isAdded()) {
mAlbumArt.setImageBitmap(icon);
}
}
}
});
}
}
}
private void setCustomAction(PlaybackState.Builder stateBuilder) {
MediaMetadata currentMusic = getCurrentPlayingMusic();
if (currentMusic != null) {
// Set appropriate "Favorite" icon on Custom action:
String musicId = currentMusic.getString(MediaMetadata.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));
stateBuilder.addCustomAction(
CUSTOM_ACTION_THUMBS_UP, getString(R.string.favorite), favoriteIcon);
}
}
private void onPlaybackStateChanged(PlaybackStateCompat state) {
LogHelper.d(TAG, "onPlaybackStateChanged ", state);
if (getActivity() == null) {
LogHelper.w(
TAG,
"onPlaybackStateChanged called when getActivity null,"
+ "this should not happen if the callback was properly unregistered. Ignoring.");
return;
}
if (state == null) {
return;
}
boolean enablePlay = false;
switch (state.getState()) {
case PlaybackStateCompat.STATE_PAUSED:
case PlaybackStateCompat.STATE_STOPPED:
enablePlay = true;
break;
case PlaybackStateCompat.STATE_ERROR:
LogHelper.e(TAG, "error playbackstate: ", state.getErrorMessage());
Toast.makeText(getActivity(), state.getErrorMessage(), Toast.LENGTH_LONG).show();
break;
}
if (enablePlay) {
mPlayPause.setImageDrawable(
ContextCompat.getDrawable(getActivity(), R.drawable.ic_play_arrow_black_36dp));
} else {
mPlayPause.setImageDrawable(
ContextCompat.getDrawable(getActivity(), R.drawable.ic_pause_black_36dp));
}
MediaControllerCompat controller =
((FragmentActivity) getActivity()).getSupportMediaController();
String extraInfo = null;
if (controller != null && controller.getExtras() != null) {
String castName = controller.getExtras().getString(MusicService.EXTRA_CONNECTED_CAST);
if (castName != null) {
extraInfo = getResources().getString(R.string.casting_to_device, castName);
}
}
setExtraInfo(extraInfo);
}
private MediaMetadata buildFromJSON(JSONObject json, String basePath) throws JSONException {
String title = json.getString(JSON_TITLE);
String album = json.getString(JSON_ALBUM);
String artist = json.getString(JSON_ARTIST);
String genre = json.getString(JSON_GENRE);
String source = json.getString(JSON_SOURCE);
String iconUrl = json.getString(JSON_IMAGE);
int trackNumber = json.getInt(JSON_TRACK_NUMBER);
int totalTrackCount = json.getInt(JSON_TOTAL_TRACK_COUNT);
int duration = json.getInt(JSON_DURATION) * 1000; // ms
LogHelper.d(TAG, "Found music track: ", json);
// Media is stored relative to JSON file
if (!source.startsWith("http")) {
source = basePath + source;
}
if (!iconUrl.startsWith("http")) {
iconUrl = basePath + iconUrl;
}
// Since we don't have a unique ID in the server, we fake one using the hashcode of
// the music source. In a real world app, this could come from the server.
String id = String.valueOf(source.hashCode());
// Adding the music source to the MediaMetadata (and consequently using it in the
// mediaSession.setMetadata) is not a good idea for a real world music app, because
// the session metadata can be accessed by notification listeners. This is done in this
// sample for convenience only.
return new MediaMetadata.Builder()
.putString(MediaMetadata.METADATA_KEY_MEDIA_ID, id)
.putString(CUSTOM_METADATA_TRACK_SOURCE, source)
.putString(MediaMetadata.METADATA_KEY_ALBUM, album)
.putString(MediaMetadata.METADATA_KEY_ARTIST, artist)
.putLong(MediaMetadata.METADATA_KEY_DURATION, duration)
.putString(MediaMetadata.METADATA_KEY_GENRE, genre)
.putString(MediaMetadata.METADATA_KEY_ALBUM_ART_URI, iconUrl)
.putString(MediaMetadata.METADATA_KEY_TITLE, title)
.putLong(MediaMetadata.METADATA_KEY_TRACK_NUMBER, trackNumber)
.putLong(MediaMetadata.METADATA_KEY_NUM_TRACKS, totalTrackCount)
.build();
}
@Override
public void onSkipToNext() {
LogHelper.d(TAG, "skipToNext");
mCurrentIndexOnQueue++;
if (mPlayingQueue != null && mCurrentIndexOnQueue >= mPlayingQueue.size()) {
// This sample's behavior: skipping to next when in last song returns to the
// first song.
mCurrentIndexOnQueue = 0;
}
if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
handlePlayRequest();
} else {
LogHelper.e(
TAG,
"skipToNext: cannot skip to next. next Index="
+ mCurrentIndexOnQueue
+ " queue length="
+ (mPlayingQueue == null ? "null" : mPlayingQueue.size()));
handleStopRequest("Cannot skip");
}
}
@Override
public void onSkipToPrevious() {
LogHelper.d(TAG, "skipToPrevious");
mCurrentIndexOnQueue--;
if (mPlayingQueue != null && mCurrentIndexOnQueue < 0) {
// This sample's behavior: skipping to previous when in first song restarts the
// first song.
mCurrentIndexOnQueue = 0;
}
if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
handlePlayRequest();
} else {
LogHelper.e(
TAG,
"skipToPrevious: cannot skip to previous. previous Index="
+ mCurrentIndexOnQueue
+ " queue length="
+ (mPlayingQueue == null ? "null" : mPlayingQueue.size()));
handleStopRequest("Cannot skip");
}
}
/*
* (non-Javadoc)
* @see android.app.Service#onCreate()
*/
@Override
public void onCreate() {
super.onCreate();
LogHelper.d(TAG, "onCreate");
mPlayingQueue = new ArrayList<>();
mMusicProvider = new MusicProvider();
mPackageValidator = new PackageValidator(this);
// Start a new MediaSession
mSession = new MediaSession(this, "MusicService");
setSessionToken(mSession.getSessionToken());
mSession.setCallback(new MediaSessionCallback());
mSession.setFlags(
MediaSession.FLAG_HANDLES_MEDIA_BUTTONS | MediaSession.FLAG_HANDLES_TRANSPORT_CONTROLS);
mPlayback = new LocalPlayback(this, mMusicProvider);
mPlayback.setState(PlaybackState.STATE_NONE);
mPlayback.setCallback(this);
mPlayback.start();
Context context = getApplicationContext();
Intent intent = new Intent(context, NowPlayingActivity.class);
PendingIntent pi =
PendingIntent.getActivity(
context, 99 /*request code*/, intent, PendingIntent.FLAG_UPDATE_CURRENT);
mSession.setSessionActivity(pi);
mSessionExtras = new Bundle();
CarHelper.setSlotReservationFlags(mSessionExtras, true, true, true);
mSession.setExtras(mSessionExtras);
updatePlaybackState(null);
mMediaNotificationManager = new MediaNotificationManager(this);
mCastManager = ((UAMPApplication) getApplication()).getCastManager(getApplicationContext());
mCastManager.addVideoCastConsumer(mCastConsumer);
mMediaRouter = MediaRouter.getInstance(getApplicationContext());
}
/** Handle a request to play music */
private void handlePlayRequest() {
LogHelper.d(TAG, "handlePlayRequest: mState=" + mPlayback.getState());
mDelayedStopHandler.removeCallbacksAndMessages(null);
if (!mServiceStarted) {
LogHelper.v(TAG, "Starting service");
// The MusicService needs to keep running even after the calling MediaBrowser
// is disconnected. Call startService(Intent) and then stopSelf(..) when we no longer
// need to play media.
startService(new Intent(getApplicationContext(), MusicService.class));
mServiceStarted = true;
}
if (!mSession.isActive()) {
mSession.setActive(true);
}
if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
updateMetadata();
mPlayback.play(mPlayingQueue.get(mCurrentIndexOnQueue));
}
}