Ich verwende registerMediaRouteProvider und es gibt Ihnen eine Lautstärkeleiste, um die Lautstärke des Fernsehers zu aktualisieren. Ich habe MediaRouteAdapter
implementiert und wenn ich die Lautstärkeleiste schrubbe, ändert sich das Volumen, aber die Lautstärkeleiste des Volumes wird immer auf 0 zurückgesetzt. Wie aktualisiere ich das UI der Lautstärkeleiste, wenn sich das Volumen ändert?So aktualisieren Sie die Lautstärkeleiste in MinimalMediaRouteProvider
@Override
public void onCreate(Bundle savedInstanceState) {
mCastContext = new CastContext(getApplicationContext());
MediaRouteHelper.registerMinimalMediaRouteProvider(mCastContext, this);
mMediaRouter = MediaRouter.getInstance(getApplicationContext());
mMediaRouteSelector = MediaRouteHelper.buildMediaRouteSelector(MediaRouteHelper.CATEGORY_CAST);
mMetaData = new ContentMetadata();
mMediaRouterCallback = new MyMediaRouterCallback();
mMediaRouteButton.setRouteSelector(mMediaRouteSelector);
}
private class MyMediaRouterCallback extends MediaRouter.Callback {
@Override
public void onRouteSelected(MediaRouter router, RouteInfo route) {
MediaRouteHelper.requestCastDeviceForRoute(route);
}
@Override
public void onRouteUnselected(MediaRouter router, RouteInfo route) {
try {
if (mSession != null) {
Log.e(TAG, "Ending session and stopping application");
mSession.setStopApplicationWhenEnding(true);
mSession.endSession();
} else {
Log.e(TAG, "onRouteUnselected: mSession is null");
}
} catch (IllegalStateException e) {
Log.e(TAG, "onRouteUnselected:");
e.printStackTrace();
} catch (IOException e) {
Log.e(TAG, "onRouteUnselected:");
e.printStackTrace();
}
mSelectedDevice = null;
}
}
@Override
public void onDeviceAvailable(CastDevice device, String arg1, MediaRouteStateChangeListener listener) {
mSelectedDevice = device;
openSession();
}
@Override
public void onSetVolume(double volume) {
try {
if (mMessageStream != null) {
mMessageStream.setVolume(volume);
}
} catch (IllegalStateException e) {
Log.e(TAG, "Problem sending Set Volume", e);
} catch (IOException e) {
Log.e(TAG, "Problem sending Set Volume", e);
}
}
@Override
public void onUpdateVolume(double volumeChange) {
try {
if (mCurrentRoute != null) {
mCurrentRoute.requestUpdateVolume((int) (volumeChange * 20));
}
} catch (IllegalStateException e) {
Log.e(TAG, "Problem sending Update Volume", e);
}
}
EDIT - hinzugefügt, wo ich mMessageStream
private void openSession() {
mSession = new ApplicationSession(mCastContext, mSelectedDevice);
int flags = 0;
flags |= ApplicationSession.FLAG_DISABLE_NOTIFICATION;
flags |= ApplicationSession.FLAG_DISABLE_LOCK_SCREEN_REMOTE_CONTROL;
mSession.setApplicationOptions(flags);
Log.d(TAG, "Beginning session with context: " + mCastContext);
Log.d(TAG, "The session to begin: " + mSession);
mSession.setListener(new com.google.cast.ApplicationSession.Listener() {
@Override
public void onSessionStarted(ApplicationMetadata appMetadata) {
Log.d(TAG, "Getting channel after session start");
ApplicationChannel channel = mSession.getChannel();
if (channel == null) {
Log.e(TAG, "channel = null");
return;
}
Log.d(TAG, "Creating and attaching Message Stream");
mMessageStream = new MediaProtocolMessageStream();
channel.attachMessageStream(mMessageStream);
if (mMessageStream.getPlayerState() == null) {
if (vastVideoView.getPlayingPlaylistItem() != null) {
loadMedia();
}
} else {
Log.e(TAG, "Found player already running; updating status");
}
}
@Override
public void onSessionStartFailed(SessionError error) {
Log.e(TAG, "onStartFailed " + error + " code " + error.getCode());
nowifi.setVisibility(View.GONE);
}
@Override
public void onSessionEnded(SessionError error) {
Log.i(TAG, "onEnded " + error);
controller.removeChromeCastListener();
controller.setChromeCast(false);
nowifi.setVisibility(View.GONE);
}
});
try {
Log.e(TAG, "Starting session with app name " + getString(R.string.app_id));
mSession.startSession(getString(R.string.app_id));
vastVideoView.stopPlayback();
controller = vastVideoView.getMediaController();
controller.setChromeCast(true);
controller.setPausePlayListener(pausePlayListener);
seekBar = controller.getSeekBar();
seekBar.setProgress(0);
mPlayButtonShowsPlay = true;
} catch (IOException e) {
Log.e(TAG, "Failed to open session", e);
controller.removeChromeCastListener();
controller.setChromeCast(false);
nowifi.setVisibility(View.GONE);
}
}
Ich bin ein 'MediaProtocolMessageStream' Objekt innerhalb des' ApplicationSession.Listener onSessionStarted' zu schaffen. Ich füge den obigen Code hinzu.Ich habe bereits 'MediaProcollCommand'' setVolume' in 'onSetVolume'. Was ich suche, ist, wie man die Lautstärke-Suchleiste in dem Dialog-Popup aktualisiert, wo es dir die Lautstärkeleiste zeigt und die Taste – heero