Java MediaSessionCompat.setSessionActivity方法代码示例

import android.support.v4.media.session.MediaSessionCompat; //导入方法依赖的package包/类
@Override
public void onCreate() {
    super.onCreate();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
        NotificationChannel notificationChannel = new NotificationChannel(NOTIFICATION_DEFAULT_CHANNEL_ID, getString(R.string.notification_channel_name), NotificationManagerCompat.IMPORTANCE_DEFAULT);
        NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.createNotificationChannel(notificationChannel);

        AudioAttributes audioAttributes = new AudioAttributes.Builder()
                .setUsage(AudioAttributes.USAGE_MEDIA)
                .setContentType(AudioAttributes.CONTENT_TYPE_MUSIC)
                .build();
        audioFocusRequest = new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN)
                .setOnAudioFocusChangeListener(audioFocusChangeListener)
                .setAcceptsDelayedFocusGain(false)
                .setWillPauseWhenDucked(true)
                .setAudioAttributes(audioAttributes)
                .build();
    }

    audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);

    mediaSession = new MediaSessionCompat(this, "PlayerService");
    mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mediaSession.setCallback(mediaSessionCallback);

    Context appContext = getApplicationContext();

    Intent activityIntent = new Intent(appContext, MainActivity.class);
    mediaSession.setSessionActivity(PendingIntent.getActivity(appContext, 0, activityIntent, 0));

    Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON, null, appContext, MediaButtonReceiver.class);
    mediaSession.setMediaButtonReceiver(PendingIntent.getBroadcast(appContext, 0, mediaButtonIntent, 0));

    exoPlayer = ExoPlayerFactory.newSimpleInstance(new DefaultRenderersFactory(this), new DefaultTrackSelector(), new DefaultLoadControl());
    exoPlayer.addListener(exoPlayerListener);
    DataSource.Factory httpDataSourceFactory = new OkHttpDataSourceFactory(new OkHttpClient(), Util.getUserAgent(this, getString(R.string.app_name)), null);
    Cache cache = new SimpleCache(new File(this.getCacheDir().getAbsolutePath() + "/exoplayer"), new LeastRecentlyUsedCacheEvictor(1024 * 1024 * 100)); // 100 Mb max
    this.dataSourceFactory = new CacheDataSourceFactory(cache, httpDataSourceFactory, CacheDataSource.FLAG_BLOCK_ON_CACHE | CacheDataSource.FLAG_IGNORE_CACHE_ON_ERROR);
    this.extractorsFactory = new DefaultExtractorsFactory();
}
 

import android.support.v4.media.session.MediaSessionCompat; //导入方法依赖的package包/类
@Override
public void onCreate() {
    super.onCreate();
    playbackManager.setServiceCallback(this);
    playbackManager.setUpdateListener(this);
    mediaSession=new MediaSessionCompat(getApplicationContext(),TAG);
    mediaSession.setCallback(playbackManager.getMediaSessionCallback());
    mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
            MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    setSessionToken(mediaSession.getSessionToken());
    Context context = getApplicationContext();
    Intent intent = new Intent(context, TrackActivity.class);
    PendingIntent pi = PendingIntent.getActivity(context, 99,
            intent, PendingIntent.FLAG_UPDATE_CURRENT);
    mediaSession.setSessionActivity(pi);
    notification=new TrackNotification(this);
    playbackManager.updatePlaybackState(PlaybackStateCompat.STATE_NONE);
}
 

import android.support.v4.media.session.MediaSessionCompat; //导入方法依赖的package包/类
private void doOpenSession() {
    final ComponentName mediaButtonReceiver = new ComponentName(mContext,
            MediaButtonReceiver.class);

    final PendingIntent broadcastIntent = PendingIntent
            .getBroadcast(mContext, 1, new Intent(mContext, MediaButtonReceiver.class),
                    PendingIntent.FLAG_UPDATE_CURRENT);

    final MediaSessionCompat mediaSession = new MediaSessionCompat(mContext, TAG,
            mediaButtonReceiver, broadcastIntent);

    mediaSession.setCallback(new MediaSessionCallback(mContext));
    mediaSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
            MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);
    mediaSession.setActive(true);
    mediaSession.setSessionActivity(PendingIntent.getActivity(mContext, 1,
            new Intent(mContext, NowPlayingActivity.class), PendingIntent.FLAG_UPDATE_CURRENT));

    mMediaSession = mediaSession;

    Handlers.runOnIoThread(() -> reportMediaAndState(mediaSession));
}
 

import android.support.v4.media.session.MediaSessionCompat; //导入方法依赖的package包/类
public MediaPlayerSessionController(@NonNull Context context, @NonNull SpotifyPlayerController player) {
    this.player = player;
    mNowPlayingSession = new MediaSessionCompat(context, "spotifytv");
    mNowPlayingSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
            MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);

    Intent intent = new Intent(context, NowPlayingActivity.class);
    PendingIntent pi = PendingIntent.getActivity(context, 0,
            intent, PendingIntent.FLAG_UPDATE_CURRENT);
    mNowPlayingSession.setSessionActivity(pi);

    // for the MediaBrowserService
    //setSessionToken(mNowPlayingSession.getSessionToken());
}
 

import android.support.v4.media.session.MediaSessionCompat; //导入方法依赖的package包/类
/**
 * Initiate a MediaSession to allow the Android system to interact with the player
 */
private void initMediaSession() {
    Timber.i("Initializing MediaSession");
    ComponentName mbrComponent = new ComponentName(mContext, MediaButtonReceiver.class.getName());
    MediaSessionCompat session = new MediaSessionCompat(mContext, TAG, mbrComponent, null);

    session.setCallback(new MediaSessionCallback(this));
    session.setSessionActivity(
            PendingIntent.getActivity(
                    mContext, 0,
                    LibraryActivity.newNowPlayingIntent(mContext)
                            .setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP),
                    PendingIntent.FLAG_CANCEL_CURRENT));

    session.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS
            | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);

    PlaybackStateCompat.Builder state = new PlaybackStateCompat.Builder()
            .setActions(PlaybackStateCompat.ACTION_PLAY
                    | PlaybackStateCompat.ACTION_PLAY_PAUSE
                    | PlaybackStateCompat.ACTION_SEEK_TO
                    | PlaybackStateCompat.ACTION_PAUSE
                    | PlaybackStateCompat.ACTION_SKIP_TO_NEXT
                    | PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS
                    | PlaybackStateCompat.ACTION_STOP)
            .setState(PlaybackStateCompat.STATE_NONE, 0, 0f);

    Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
    mediaButtonIntent.setClass(mContext, MediaButtonReceiver.class);
    PendingIntent mbrIntent = PendingIntent.getBroadcast(mContext, 0, mediaButtonIntent, 0);
    session.setMediaButtonReceiver(mbrIntent);

    session.setPlaybackState(state.build());
    session.setActive(true);

    mMediaSession = session;
}
 

import android.support.v4.media.session.MediaSessionCompat; //导入方法依赖的package包/类
@Override
    public void onCreate() {
        super.onCreate();

        Context context = this.getApplicationContext();

        mProvider = new MusicProvider();
        mProvider.retrievedMusicAsync(context);

        //todo new QueueManager
//        mQueueManager = new QueueManager(mProvider, )

        mPlayback = new LocalPlayback(this, mProvider);
        mPlaybackManager = new PlaybackManager(mPlayback, this , mProvider, mQueueManager);
        mPlayback.setCallback(mPlaybackManager);

        mSession = new MediaSessionCompat(this, TAG);
        setSessionToken(mSession.getSessionToken());
        mSession.setCallback(mPlaybackManager.getMediaSessionCallback());
        mSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS
                | MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);

        Intent intent = new Intent(context, MainActivity.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        PendingIntent pi = PendingIntent.getActivity(context, REQUEST_CODE, intent,
                PendingIntent.FLAG_UPDATE_CURRENT);
        mSession.setSessionActivity(pi);

//        mNotificationManager = NotificationManagerCompat.from(context);
        mNotificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

        // implement the notification channel for Android O
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            NotificationChannel notificationChannel = new NotificationChannel(NOTIFICATION_CHANNEL_ID,
                    "Nova Music Player", NotificationManager.IMPORTANCE_LOW);

            // Configure the notification channel.
            notificationChannel.setDescription("Channel of Nova Music Player");
            notificationChannel.enableLights(false);
            notificationChannel.setLightColor(Color.RED);
            notificationChannel.setVibrationPattern(new long[]{0, 1000, 500, 1000});
            notificationChannel.setSound(null, null);
            notificationChannel.enableVibration(false);
            notificationChannel.setShowBadge(false);
            mNotificationManager.createNotificationChannel(notificationChannel);
        }

        mReceiver = new AudioBecomingNoisyReceiver(context);

        mPlaybackManager.updatePlaybackState(-1, null);
    }
 

import android.support.v4.media.session.MediaSessionCompat; //导入方法依赖的package包/类
@Override
public void onCreate() {
    super.onCreate();
    LogHelper.d(TAG, "onCreate");

    mPlayingQueue = new ArrayList<>();
    mMusicProvider = new MusicProvider();
    mPackageValidator = new PackageValidator(this);

    mEventReceiver = new ComponentName(getPackageName(), MediaButtonReceiver.class.getName());

    Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
    mediaButtonIntent.setComponent(mEventReceiver);
    mMediaPendingIntent = PendingIntent.getBroadcast(this, 0, mediaButtonIntent, 0);

    // Start a new MediaSession
    mSession = new MediaSessionCompat(this, "MusicService", mEventReceiver, mMediaPendingIntent);

    final MediaSessionCallback cb = new MediaSessionCallback();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        // Shouldn't really have to do this but the MediaSessionCompat method uses
        // an internal proxy class, which doesn't forward events such as
        // onPlayFromMediaId when running on Lollipop.
        final MediaSession session = (MediaSession) mSession.getMediaSession();
        session.setCallback(new MediaSessionCallbackProxy(cb));
    } else {
        mSession.setCallback(cb);
    }

    setSessionToken(mSession.getSessionToken());
    mSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
        MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);

    mPlayback = new LocalPlayback(this, mMusicProvider);
    mPlayback.setState(PlaybackStateCompat.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 = VideoCastManager.getInstance();
    mCastManager.addVideoCastConsumer(mCastConsumer);

    mMediaRouter = MediaRouter.getInstance(getApplicationContext());
}
 

import android.support.v4.media.session.MediaSessionCompat; //导入方法依赖的package包/类
@Override
public void onCreate() {
    super.onCreate();
    LogHelper.d(TAG, "onCreate");

    mPlayingQueue = new ArrayList<>();
    mMusicProvider = new MusicProvider();
    mPackageValidator = new PackageValidator(this);

    mEventReceiver = new ComponentName(getPackageName(), MediaButtonReceiver.class.getName());

    Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
    mediaButtonIntent.setComponent(mEventReceiver);
    mMediaPendingIntent = PendingIntent.getBroadcast(this, 0, mediaButtonIntent, 0);

    // Start a new MediaSession
    mSession = new MediaSessionCompat(this, "MusicService", mEventReceiver, mMediaPendingIntent);

    final MediaSessionCallback cb = new MediaSessionCallback();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        // Shouldn't really have to do this but the MediaSessionCompat method uses
        // an internal proxy class, which doesn't forward events such as
        // onPlayFromMediaId when running on Lollipop.
        final MediaSession session = (MediaSession) mSession.getMediaSession();
        // session.setCallback(new MediaSessionCallbackProxy(cb));
    } else {
        mSession.setCallback(cb);
    }

    setSessionToken(mSession.getSessionToken());
    mSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
        MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);

    mPlayback = new LocalPlayback(this, mMusicProvider);
    mPlayback.setState(PlaybackStateCompat.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 = VideoCastManager.getInstance();
    mCastManager.addVideoCastConsumer(mCastConsumer);

    mMediaRouter = MediaRouter.getInstance(getApplicationContext());
}
 

import android.support.v4.media.session.MediaSessionCompat; //导入方法依赖的package包/类
@Override
public void onCreate() {
    super.onCreate();
    LogUtils.d(TAG, "onCreate");

    mPlayingQueue = new ArrayList<>();
    mMusicProvider = new MusicProvider();

    mEventReceiver = new ComponentName(getPackageName(), MediaButtonReceiver.class.getName());

    Intent mediaButtonIntent = new Intent(Intent.ACTION_MEDIA_BUTTON);
    mediaButtonIntent.setComponent(mEventReceiver);
    mMediaPendingIntent = PendingIntent.getBroadcast(this, 0, mediaButtonIntent, 0);

    // Start a new MediaSession
    mSession = new MediaSessionCompat(this, "MusicService", mEventReceiver, mMediaPendingIntent);

    final MediaSessionCallback cb = new MediaSessionCallback();

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        // Shouldn't really have to do this but the MediaSessionCompat method uses
        // an internal proxy class, which doesn't forward events such as
        // onPlayFromMediaId when running on Lollipop.
        final MediaSession session = (MediaSession) mSession.getMediaSession();
        session.setCallback(new MediaSessionCallbackProxy(cb));
    } else {
        mSession.setCallback(cb);
    }

    setSessionToken(mSession.getSessionToken());
    mSession.setFlags(MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
            MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS);

    mPlayback = new LocalPlayback(this, mMusicProvider);
    mPlayback.setState(PlaybackStateCompat.STATE_NONE);
    mPlayback.setCallback(this);
    mPlayback.start();

    Context context = getApplicationContext();
    Intent intent = new Intent(context, MusicPlayerActivity.class);
    PendingIntent pi = PendingIntent.getActivity(context, 99 /*request code*/,
            intent, PendingIntent.FLAG_UPDATE_CURRENT);
    mSession.setSessionActivity(pi);

    mSessionExtras = new Bundle();
    mSession.setExtras(mSessionExtras);

    updatePlaybackState(null);

    mMediaNotificationManager = new MediaNotificationManager(this);
}