Java Code Examples for android.support.v4.media.session.MediaSessionCompat#setActive()

The following examples show how to use android.support.v4.media.session.MediaSessionCompat#setActive() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: MediaNotificationManager.java From 365browser with Apache License 2.0

6 votes

private MediaSessionCompat createMediaSession() {
    Context context = getContext();
    MediaSessionCompat mediaSession =
            new MediaSessionCompat(context, context.getString(R.string.app_name),
                    new ComponentName(context, getButtonReceiverClass()), null);
    mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS
            | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mediaSession.setCallback(mMediaSessionCallback);

    // TODO(mlamouri): the following code is to work around a bug that hopefully
    // MediaSessionCompat will handle directly. see b/24051980.
    try {
        mediaSession.setActive(true);
    } catch (NullPointerException e) {
        // Some versions of KitKat do not support AudioManager.registerMediaButtonIntent
        // with a PendingIntent. They will throw a NullPointerException, in which case
        // they should be able to activate a MediaSessionCompat with only transport
        // controls.
        mediaSession.setActive(false);
        mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
        mediaSession.setActive(true);
    }
    return mediaSession;
}

Example 2

Source File: StreamFragment.java From Twire with GNU General Public License v3.0

6 votes

private void initializePlayer() {
    if (player == null) {
        player = new SimpleExoPlayer.Builder(getContext()).build();
        player.addListener(this);
        mVideoView.setPlayer(player);
        mVideoView.setPlaybackPreparer(this);

        if (currentMediaSource != null)
            player.prepare(currentMediaSource);

        mediaSession = new MediaSessionCompat(getContext(), getContext().getPackageName());
        MediaSessionConnector mediaSessionConnector = new MediaSessionConnector(mediaSession);
        mediaSessionConnector.setPlayer(player);
        mediaSession.setActive(true);

        progressHandler.postDelayed(progressRunnable, 1000);
    }
}

Example 3

Source File: MainActivity.java From Android-9-Development-Cookbook with MIT License

6 votes

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    MediaSessionCompat mediaSession =
            new MediaSessionCompat(this, getApplication().getPackageName());
    mediaSession.setCallback(mMediaSessionCallback);
    mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS);
    mediaSession.setActive(true);
    PlaybackStateCompat state = new PlaybackStateCompat.Builder()
            .setActions(PlaybackStateCompat.ACTION_PLAY |
                    PlaybackStateCompat.ACTION_PLAY_PAUSE |
                    PlaybackStateCompat.ACTION_PAUSE |
                    PlaybackStateCompat.ACTION_SKIP_TO_NEXT |
                    PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS).build();
    mediaSession.setPlaybackState(state);
}

Example 4

Source File: AudioBookPlayService.java From HaoReader with GNU General Public License v3.0

6 votes

/**
 * 初始化MediaSession
 */
private void initMediaSession() {
    ComponentName mComponent = new ComponentName(getPackageName(), MediaButtonIntentReceiver.class.getName());
    Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
    mediaButtonIntent.setComponent(mComponent);
    PendingIntent mediaButtonReceiverPendingIntent = PendingIntent.getBroadcast(this, 0,
            mediaButtonIntent, PendingIntent.FLAG_CANCEL_CURRENT);

    mediaSessionCompat = new MediaSessionCompat(this, TAG, mComponent, mediaButtonReceiverPendingIntent);
    mediaSessionCompat.setFlags(MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS
            | MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS);
    mediaSessionCompat.setCallback(new MediaSessionCompat.Callback() {
        @Override
        public boolean onMediaButtonEvent(Intent mediaButtonEvent) {
            return MediaButtonIntentReceiver.handleIntent(mediaButtonEvent);
        }
    });
    mediaSessionCompat.setMediaButtonReceiver(mediaButtonReceiverPendingIntent);
    mediaSessionCompat.setActive(true);
}

Example 5

Source File: MediaNotificationManager.java From AndroidChromium with Apache License 2.0

6 votes

private MediaSessionCompat createMediaSession() {
    MediaSessionCompat mediaSession = new MediaSessionCompat(
            mContext,
            mContext.getString(R.string.app_name),
            new ComponentName(mContext.getPackageName(),
                    getButtonReceiverClassName()),
            null);
    mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS
            | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mediaSession.setCallback(mMediaSessionCallback);

    // TODO(mlamouri): the following code is to work around a bug that hopefully
    // MediaSessionCompat will handle directly. see b/24051980.
    try {
        mediaSession.setActive(true);
    } catch (NullPointerException e) {
        // Some versions of KitKat do not support AudioManager.registerMediaButtonIntent
        // with a PendingIntent. They will throw a NullPointerException, in which case
        // they should be able to activate a MediaSessionCompat with only transport
        // controls.
        mediaSession.setActive(false);
        mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
        mediaSession.setActive(true);
    }
    return mediaSession;
}

Example 6

Source File: MediaSessionPlaybackActivity.java From android-PictureInPicture with Apache License 2.0

6 votes

private void initializeMediaSession() {
    mSession = new MediaSessionCompat(this, TAG);
    mSession.setFlags(
            MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS
                    | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mSession.setActive(true);
    MediaControllerCompat.setMediaController(this, mSession.getController());

    MediaMetadataCompat metadata = new MediaMetadataCompat.Builder()
            .putString(MediaMetadataCompat.METADATA_KEY_DISPLAY_TITLE, mMovieView.getTitle())
            .build();
    mSession.setMetadata(metadata);

    MediaSessionCallback mMediaSessionCallback = new MediaSessionCallback(mMovieView);
    mSession.setCallback(mMediaSessionCallback);

    int state =
            mMovieView.isPlaying()
                    ? PlaybackStateCompat.STATE_PLAYING
                    : PlaybackStateCompat.STATE_PAUSED;
    updatePlaybackState(
            state,
            MEDIA_ACTIONS_ALL,
            mMovieView.getCurrentPosition(),
            mMovieView.getVideoResourceId());
}

Example 7

Source File: MediaSessionPlaybackActivity.java From media-samples with Apache License 2.0

6 votes

private void initializeMediaSession() {
    mSession = new MediaSessionCompat(this, TAG);
    mSession.setFlags(
            MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS
                    | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mSession.setActive(true);
    MediaControllerCompat.setMediaController(this, mSession.getController());

    MediaMetadataCompat metadata = new MediaMetadataCompat.Builder()
            .putString(MediaMetadataCompat.METADATA_KEY_DISPLAY_TITLE, mMovieView.getTitle())
            .build();
    mSession.setMetadata(metadata);

    MediaSessionCallback mMediaSessionCallback = new MediaSessionCallback(mMovieView);
    mSession.setCallback(mMediaSessionCallback);

    int state =
            mMovieView.isPlaying()
                    ? PlaybackStateCompat.STATE_PLAYING
                    : PlaybackStateCompat.STATE_PAUSED;
    updatePlaybackState(
            state,
            MEDIA_ACTIONS_ALL,
            mMovieView.getCurrentPosition(),
            mMovieView.getVideoResourceId());
}

Example 8

Source File: MediaNotificationManager.java From delion with Apache License 2.0

6 votes

private MediaSessionCompat createMediaSession() {
    MediaSessionCompat mediaSession = new MediaSessionCompat(
            mContext,
            mContext.getString(R.string.app_name),
            new ComponentName(mContext.getPackageName(),
                    getButtonReceiverClassName()),
            null);
    mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS
            | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mediaSession.setCallback(mMediaSessionCallback);

    // TODO(mlamouri): the following code is to work around a bug that hopefully
    // MediaSessionCompat will handle directly. see b/24051980.
    try {
        mediaSession.setActive(true);
    } catch (NullPointerException e) {
        // Some versions of KitKat do not support AudioManager.registerMediaButtonIntent
        // with a PendingIntent. They will throw a NullPointerException, in which case
        // they should be able to activate a MediaSessionCompat with only transport
        // controls.
        mediaSession.setActive(false);
        mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
        mediaSession.setActive(true);
    }
    return mediaSession;
}

Example 9

Source File: MusicService.java From VinylMusicPlayer with GNU General Public License v3.0

6 votes

private void setupMediaSession() {
    ComponentName mediaButtonReceiverComponentName = new ComponentName(getApplicationContext(), MediaButtonIntentReceiver.class);

    Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
    mediaButtonIntent.setComponent(mediaButtonReceiverComponentName);

    PendingIntent mediaButtonReceiverPendingIntent = PendingIntent.getBroadcast(getApplicationContext(), 0, mediaButtonIntent, 0);
    mMediaSessionCallback = new MediaSessionCallback(this, getApplicationContext());
    mediaSession = new MediaSessionCompat(this, "VinylMusicPlayer", mediaButtonReceiverComponentName, mediaButtonReceiverPendingIntent);
    mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS
            | MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS);
    mediaSession.setCallback(mMediaSessionCallback);
    mediaSession.setActive(true);
    mediaSession.setMediaButtonReceiver(mediaButtonReceiverPendingIntent);
    setSessionToken(mediaSession.getSessionToken());
}

Example 10

Source File: VideoFragment.java From leanback-homescreen-channels with Apache License 2.0

5 votes

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    mMediaPlayerGlue = new PlaybackBannerControlGlue<MediaPlayerAdapter>(getContext(),
            new int[]{1}, new MediaPlayerAdapter(getContext())) {
        @Override
        public long getSupportedActions() {
            return PlaybackBannerControlGlue.ACTION_PLAY_PAUSE
                    | PlaybackBannerControlGlue.ACTION_SKIP_TO_NEXT
                    | PlaybackBannerControlGlue.ACTION_SKIP_TO_PREVIOUS;
        }
    };
    mMediaPlayerGlue.setHost(mHost);

    Bundle args = getArguments();
    mSelectedClip = args.getParcelable(PlaybackActivity.EXTRA_CLIP);
    mProgress = args.getLong(PlaybackActivity.EXTRA_PROGRESS);

    mMediaPlayerGlue.setTitle(mSelectedClip.getTitle());
    mMediaPlayerGlue.setSubtitle(mSelectedClip.getDescription());
    mMediaPlayerGlue.getPlayerAdapter().setDataSource(Uri.parse(mSelectedClip.getVideoUrl()));
    mSession = new MediaSessionCompat(getContext(), "TvLauncherSampleApp");
    mSession.setActive(true);
    mSession.setCallback(new MediaSessionCallback());
    playWhenReady();
    updatePlaybackState();
    updateMetadata(mSelectedClip);
}

Example 11

Source File: RemoteControlClientLP.java From Popeens-DSub with GNU General Public License v3.0

5 votes

@Override
public void register(Context context, ComponentName mediaButtonReceiverComponent) {
	downloadService = (DownloadService) context;
	mediaSession = new MediaSessionCompat(downloadService, "DSub MediaSession");

	Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
	mediaButtonIntent.setComponent(mediaButtonReceiverComponent);
	PendingIntent mediaPendingIntent = PendingIntent.getBroadcast(context.getApplicationContext(), 0, mediaButtonIntent, 0);
	mediaSession.setMediaButtonReceiver(mediaPendingIntent);

	Intent activityIntent = new Intent(context, SubsonicFragmentActivity.class);
	activityIntent.putExtra(Constants.INTENT_EXTRA_NAME_DOWNLOAD, true);
	activityIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
	PendingIntent activityPendingIntent = PendingIntent.getActivity(context, 0, activityIntent, 0);
	mediaSession.setSessionActivity(activityPendingIntent);

	mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS | MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS);
	mediaSession.setCallback(new EventCallback());

	mediaSession.setPlaybackToLocal(AudioManager.STREAM_MUSIC);
	mediaSession.setActive(true);

	Bundle sessionExtras = new Bundle();
	sessionExtras.putBoolean(WEAR_BACKGROUND_THEME, true);
	sessionExtras.putBoolean(WEAR_RESERVE_SKIP_TO_PREVIOUS, true);
	sessionExtras.putBoolean(WEAR_RESERVE_SKIP_TO_NEXT, true);
	sessionExtras.putBoolean(AUTO_RESERVE_SKIP_TO_PREVIOUS, true);
	sessionExtras.putBoolean(AUTO_RESERVE_SKIP_TO_NEXT, true);
	mediaSession.setExtras(sessionExtras);

	imageLoader = SubsonicActivity.getStaticImageLoader(context);
}

Example 12

Source File: MusicNotificationManager.java From vk_music_android with GNU General Public License v3.0

5 votes

private void createMediaSession() {
    ComponentName receiver = new ComponentName(context.getPackageName(), RemoteReceiver.class.getName());
    mediaSession = new MediaSessionCompat(context, "MusicService", receiver, null);
    mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mediaSession.setPlaybackState(
            new PlaybackStateCompat.Builder()
                    .setState(PlaybackStateCompat.STATE_PLAYING, 0, 0)
                    .setActions(PlaybackStateCompat.ACTION_PLAY_PAUSE)
                    .build()
    );

    AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
    audioManager.requestAudioFocus(focusChange -> {}, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN);
    mediaSession.setActive(true);
}

Example 13

Source File: MediaSessionFactoryImpl.java From PainlessMusicPlayer with Apache License 2.0

5 votes

@NonNull
@Override
public MediaSessionCompat newMediaSession() {
    final MediaSessionCompat mediaSession = new MediaSessionCompat(
            context, TAG_MEDIA_SESSION, mediaButtonReceiver, mediaButtonIntent);
    mediaSession.setCallback(mediaSessionCallback);
    mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
            MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mediaSession.setSessionActivity(PendingIntent.getActivity(context, 1,
            new Intent(context, sessionActivityClass), PendingIntent.FLAG_UPDATE_CURRENT));
    mediaSession.setActive(true);
    return mediaSession;
}

Example 14

Source File: MainActivity.java From lbry-android with MIT License

5 votes

public void initMediaSession() {
    ComponentName mediaButtonReceiver = new ComponentName(getApplicationContext(), MediaButtonReceiver.class);
    mediaSession = new MediaSessionCompat(getApplicationContext(), "LBRYMediaSession", mediaButtonReceiver, null);
    MediaSessionConnector connector = new MediaSessionConnector(mediaSession);
    connector.setPlayer(MainActivity.appPlayer);
    mediaSession.setActive(true);
}

Example 15

Source File: MediaSessionManager.java From Musicoco with Apache License 2.0

5 votes

/**
 * 初始化并激活MediaSession
 */
private void setupMediaSession() {
    mMediaSession = new MediaSessionCompat(context, TAG);
    mMediaSession.setFlags(
            MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
                    MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS
    );
    mMediaSession.setCallback(callback);
    mMediaSession.setActive(true);
}

Example 16

Source File: PlaybackFragment.java From leanback-assistant with Apache License 2.0

5 votes

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    int movieId = getActivity().getIntent().getIntExtra(EXTRA_MOVIE_ID, -1);
    if (movieId == -1) {
        Log.w(TAG, "Invalid movieId, cannot playback.");
        throw new IllegalArgumentException("Invalid movieId " + movieId);
    }

    mPlaylistAdapter =
            MockPlaylistAdapterFactory.createMoviePlaylistAdapterWithActiveMovieId(movieId);

    mSession = new MediaSessionCompat(getContext(), TAG);
    mSession.setFlags(
            MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS
                    | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mSession.setActive(true);
    MediaControllerCompat.setMediaController((Activity) getContext(), mSession.getController());

    mPlayerGlue =
            new PrimaryPlaybackControlsGlue<>(
                    getContext(),
                    new MediaPlayerAdapter(getContext()),
                    mSession.getController());
    mPlayerGlue.setHost(new VideoSupportFragmentGlueHost(this));
    mPlayerGlue.addPlayerCallback(playWhenReadyPlayerCallback);
    mPlayerGlue.addPlayerCallback(playPausePlayerCallback);

    mMediaSessionCallback = new MediaSessionCallback(mPlayerGlue);
    mSession.setCallback(mMediaSessionCallback);

    playMedia(mPlaylistAdapter.getCurrentItem());
}

Example 17

Source File: Player.java From zapp with MIT License

4 votes

public Player(Context context) {
	settings = new SettingsRepository(context);
	networkConnectionHelper = new NetworkConnectionHelper(context);

	String userAgent = Util.getUserAgent(context, context.getString(R.string.app_name));
	TransferListener transferListener = new OnlyWifiTransferListener();
	dataSourceFactory = new DefaultDataSourceFactory(context, userAgent, transferListener);
	TrackSelection.Factory videoTrackSelectionFactory = new AdaptiveTrackSelection.Factory();
	DefaultTrackSelector trackSelector = new DefaultTrackSelector(videoTrackSelectionFactory);

	player = ExoPlayerFactory.newSimpleInstance(context, trackSelector);
	playerHandler = new Handler(player.getApplicationLooper());
	trackSelectorWrapper = new TrackSelectorWrapper(trackSelector);

	// media session setup
	mediaSession = new MediaSessionCompat(context, context.getPackageName());
	MediaSessionConnector mediaSessionConnector = new MediaSessionConnector(mediaSession);
	mediaSessionConnector.setPlayer(player, null);
	mediaSession.setActive(true);

	// audio focus setup
	AudioAttributes audioAttributes = new AudioAttributes.Builder()
		.setUsage(C.USAGE_MEDIA)
		.setContentType(C.CONTENT_TYPE_MOVIE)
		.build();
	player.setAudioAttributes(audioAttributes, true);

	playerEventHandler = new PlayerEventHandler();

	// enable subtitles
	enableSubtitles(settings.getEnableSubtitles());

	// wakelocks
	playerWakeLocks = new PlayerWakeLocks(context, "Zapp::Player");
	Disposable wakelockDisposable = playerEventHandler
		.getShouldHoldWakelock()
		.distinctUntilChanged()
		.subscribe(this::shouldHoldWakelockChanged);
	disposables.add(wakelockDisposable);

	// set listeners
	networkConnectionHelper.startListenForNetworkChanges(this::setStreamQualityByNetworkType);
}

Example 18

Source File: MusicService.java From NewFastFrame with Apache License 2.0

4 votes

private void setUpMediaSession() {
    mediaSessionCompat = new MediaSessionCompat(this, "listener");
    mediaSessionCompat.setCallback(new MediaSessionCompat.Callback() {
        @Override
        public void onPlay() {
            CommonLogger.e("mediaSession:onPlay");
            mMusicBinder.play(0);

        }

        @Override
        public void onPause() {
            CommonLogger.e("mediaSession:onPause");
            mMusicBinder.pause();
        }

        @Override
        public void onSkipToNext() {
            CommonLogger.e("mediaSession:onSkipToNext");
            mMusicBinder.next();
        }

        @Override
        public void onSkipToPrevious() {
            CommonLogger.e("mediaSession:onSkipToPrevious");
            mMusicBinder.pre();
        }

        @Override
        public void onStop() {
            mMusicBinder.pause();
        }

        @Override
        public void onSeekTo(long pos) {
            CommonLogger.e("mediaSession:onSeekTo");
        }
    });
    mediaSessionCompat.setFlags(MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mediaSessionCompat.setActive(true);
}

Example 19

Source File: MediaSessionManager.java From YCAudioPlayer with Apache License 2.0

4 votes

private void setupMediaSession() {
    mMediaSession = new MediaSessionCompat(mPlayService, TAG);
    mMediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS | MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS);
    mMediaSession.setCallback(callback);
    mMediaSession.setActive(true);
}

Example 20

Source File: MusicService.java From YTPlayer with GNU General Public License v3.0

4 votes

public static void functionInMainActivity(Context activity) {

       // Toast.makeText(activity, "Function in MainActivity...!", Toast.LENGTH_SHORT).show();

        MusicService.activity = activity.getApplicationContext();

        settingPref = activity.getSharedPreferences("settings",MODE_PRIVATE);
        isEqualizerEnabled = settingPref.getBoolean("equalizer_enabled",false);

        dataSourceFactory = new DefaultDataSourceFactory(activity,
                Util.getUserAgent(activity,
                        activity.getResources().getString(R.string.app_name)), BANDWIDTH_METER);

        player = ExoPlayerFactory.newSimpleInstance(activity, trackSelector);

        createNotification(activity);

        playListItems = new ArrayList<>();
        yturls = new ArrayList<>();
        nPlayModels = new ArrayList<>();

        ComponentName mediaButtonReceiverComponentName = new ComponentName(
                activity,
                SongBroadCast.class);
        Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
        mediaButtonIntent.setComponent(mediaButtonReceiverComponentName);
        PendingIntent mediaButtonReceiverPendingIntent = PendingIntent.getBroadcast(
                activity,
                0,
                mediaButtonIntent,
                0);
        mediaSession = new MediaSessionCompat(activity,
                "MusicPlayer",
                mediaButtonReceiverComponentName,
                mediaButtonReceiverPendingIntent);
        mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS
                | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS
        );
        mediaSession.setCallback(mMediaSessionCallback);
        mediaSession.setActive(true);
        mediaSession.setMediaButtonReceiver(mediaButtonReceiverPendingIntent);

        preferences = activity.getSharedPreferences("history",MODE_PRIVATE);

    }