android.media.session.PlaybackState#Builder ( )源码实例Demo

下面列出了android.media.session.PlaybackState#Builder ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： iview-android-tv 文件： VideoPlayerActivity.java

private void updatePlaybackState(int playbackState) {
    PlaybackState.Builder state = new PlaybackState.Builder();
    long position = player.getCurrentPosition();
    if (ExoPlayer.STATE_PREPARING == playbackState) {
        state.setState(PlaybackState.STATE_CONNECTING, position, 1.0f);
    } else if (ExoPlayer.STATE_BUFFERING == playbackState) {
        state.setState(PlaybackState.STATE_BUFFERING, position, 1.0f);
    } else {
        if (player.getPlayerControl().isPlaying()) {
            state.setState(PlaybackState.STATE_PLAYING, position, 1.0f);
        } else {
            state.setState(PlaybackState.STATE_PAUSED, position, 1.0f);
        }
    }
    mediaSession.setPlaybackState(state.build());
}

源代码2 项目： Android-Remote 文件： ClementineMediaSessionV21.java

private void updatePlayState() {
    PlaybackState.Builder builder = new PlaybackState.Builder();
    switch (App.Clementine.getState()) {
        case PLAY:
            builder.setState(PlaybackState.STATE_PLAYING, App.Clementine.getSongPosition(),
                    1.0f);
            break;
        case PAUSE:
            builder.setState(PlaybackState.STATE_PAUSED, App.Clementine.getSongPosition(),
                    1.0f);
            break;
        case STOP:
            builder.setState(PlaybackState.STATE_STOPPED, 0, 1.0f);
            break;
        default:
            break;
    }

    mMediaSession.setPlaybackState(builder.build());
}

源代码3 项目： android_9.0.0_r45 文件： MediaSessionRecord.java

private PlaybackState getStateWithUpdatedPosition() {
    PlaybackState state;
    long duration = -1;
    synchronized (mLock) {
        state = mPlaybackState;
        if (mMetadata != null && mMetadata.containsKey(MediaMetadata.METADATA_KEY_DURATION)) {
            duration = mMetadata.getLong(MediaMetadata.METADATA_KEY_DURATION);
        }
    }
    PlaybackState result = null;
    if (state != null) {
        if (state.getState() == PlaybackState.STATE_PLAYING
                || state.getState() == PlaybackState.STATE_FAST_FORWARDING
                || state.getState() == PlaybackState.STATE_REWINDING) {
            long updateTime = state.getLastPositionUpdateTime();
            long currentTime = SystemClock.elapsedRealtime();
            if (updateTime > 0) {
                long position = (long) (state.getPlaybackSpeed()
                        * (currentTime - updateTime)) + state.getPosition();
                if (duration >= 0 && position > duration) {
                    position = duration;
                } else if (position < 0) {
                    position = 0;
                }
                PlaybackState.Builder builder = new PlaybackState.Builder(state);
                builder.setState(state.getState(), position, state.getPlaybackSpeed(),
                        currentTime);
                result = builder.build();
            }
        }
    }
    return result == null ? state : result;
}

源代码4 项目： TelePlus-Android 文件： MusicBrowserService.java

private void updatePlaybackState(String error) {
    long position = PlaybackState.PLAYBACK_POSITION_UNKNOWN;
    MessageObject playingMessageObject = MediaController.getInstance().getPlayingMessageObject();
    if (playingMessageObject != null) {
        position = playingMessageObject.audioProgressSec * 1000;
    }

    PlaybackState.Builder stateBuilder = new PlaybackState.Builder().setActions(getAvailableActions());
    int state;
    if (playingMessageObject == null) {
        state = PlaybackState.STATE_STOPPED;
    } else {
        if (MediaController.getInstance().isDownloadingCurrentMessage()) {
            state = PlaybackState.STATE_BUFFERING;
        } else {
            state = MediaController.getInstance().isMessagePaused() ? PlaybackState.STATE_PAUSED : PlaybackState.STATE_PLAYING;
        }
    }

    if (error != null) {
        stateBuilder.setErrorMessage(error);
        state = PlaybackState.STATE_ERROR;
    }
    stateBuilder.setState(state, position, 1.0f, SystemClock.elapsedRealtime());
    if (playingMessageObject != null) {
        stateBuilder.setActiveQueueItemId(MediaController.getInstance().getPlayingMessageObjectNum());
    } else {
        stateBuilder.setActiveQueueItemId(0);
    }

    mediaSession.setPlaybackState(stateBuilder.build());
}

源代码5 项目： TelePlus-Android 文件： MusicBrowserService.java

private void updatePlaybackState(String error) {
    long position = PlaybackState.PLAYBACK_POSITION_UNKNOWN;
    MessageObject playingMessageObject = MediaController.getInstance().getPlayingMessageObject();
    if (playingMessageObject != null) {
        position = playingMessageObject.audioProgressSec * 1000;
    }

    PlaybackState.Builder stateBuilder = new PlaybackState.Builder().setActions(getAvailableActions());
    int state;
    if (playingMessageObject == null) {
        state = PlaybackState.STATE_STOPPED;
    } else {
        if (MediaController.getInstance().isDownloadingCurrentMessage()) {
            state = PlaybackState.STATE_BUFFERING;
        } else {
            state = MediaController.getInstance().isMessagePaused() ? PlaybackState.STATE_PAUSED : PlaybackState.STATE_PLAYING;
        }
    }

    if (error != null) {
        stateBuilder.setErrorMessage(error);
        state = PlaybackState.STATE_ERROR;
    }
    stateBuilder.setState(state, position, 1.0f, SystemClock.elapsedRealtime());
    if (playingMessageObject != null) {
        stateBuilder.setActiveQueueItemId(MediaController.getInstance().getPlayingMessageObjectNum());
    } else {
        stateBuilder.setActiveQueueItemId(0);
    }

    mediaSession.setPlaybackState(stateBuilder.build());
}

源代码6 项目： music_player 文件： PlayService.java

@Override
public boolean onResourceReady(Object resource, Object model, Target target, boolean isFromMemoryCache, boolean isFirstResource) {
    albumNow = (Bitmap) resource;
    mediaSession.setMetadata(new MediaMetadata.Builder()
            .putBitmap(MediaMetadata.METADATA_KEY_ALBUM_ART, albumNow)
            .putString(MediaMetadata.METADATA_KEY_ARTIST, singerNow)
            .putString(MediaMetadata.METADATA_KEY_TITLE, titleNow)
            .build());
    PlaybackState.Builder stateBuilder = new PlaybackState.Builder();
    stateBuilder.setState(PlaybackState.STATE_PLAYING, mediaPlayer.getCurrentPosition(), 1.0f);
    mediaSession.setPlaybackState(stateBuilder.build());
    buildNotification(MyConstant.playing);
    return false;
}

源代码7 项目： android-music-player 文件： PlaybackManager.java

private void updatePlaybackState() {
    if (mCallback == null) {
        return;
    }
    PlaybackState.Builder stateBuilder = new PlaybackState.Builder()
            .setActions(getAvailableActions());

    stateBuilder.setState(mState, getCurrentStreamPosition(), 1.0f, SystemClock.elapsedRealtime());
    mCallback.onPlaybackStatusChanged(stateBuilder.build());
}

源代码8 项目： android-music-player 文件： PlaybackManager.java

private void updatePlaybackState() {
    if (mCallback == null) {
        return;
    }
    PlaybackState.Builder stateBuilder = new PlaybackState.Builder()
            .setActions(getAvailableActions());

    stateBuilder.setState(mState, getCurrentStreamPosition(), 1.0f, SystemClock.elapsedRealtime());
    mCallback.onPlaybackStatusChanged(stateBuilder.build());
}

源代码9 项目： Aerlink-for-Android 文件： MediaServiceHandler.java

private void updatePlaybackState() {
    long position = PlaybackState.PLAYBACK_POSITION_UNKNOWN;
    PlaybackState.Builder stateBuilder = new PlaybackState.Builder()
            .setActions(PlaybackState.ACTION_PLAY_PAUSE
                    | PlaybackState.ACTION_SKIP_TO_PREVIOUS
                    | PlaybackState.ACTION_SKIP_TO_NEXT);
    stateBuilder.setState(mediaPlaying ? PlaybackState.STATE_PLAYING : PlaybackState.STATE_PAUSED, position, 1.0f);
    mSession.setPlaybackState(stateBuilder.build());
}

源代码10 项目： io2015-codelabs 文件： PlaybackManager.java

private void updatePlaybackState() {
    if (mCallback == null) {
        return;
    }
    PlaybackState.Builder stateBuilder = new PlaybackState.Builder()
            .setActions(getAvailableActions());

    stateBuilder.setState(mState, getCurrentStreamPosition(), 1.0f, SystemClock.elapsedRealtime());
    mCallback.onPlaybackStatusChanged(stateBuilder.build());
}

源代码11 项目： io2015-codelabs 文件： PlaybackManager.java

private void updatePlaybackState() {
    if (mCallback == null) {
        return;
    }
    PlaybackState.Builder stateBuilder = new PlaybackState.Builder()
            .setActions(getAvailableActions());

    stateBuilder.setState(mState, getCurrentStreamPosition(), 1.0f, SystemClock.elapsedRealtime());
    mCallback.onPlaybackStatusChanged(stateBuilder.build());
}

源代码12 项目： adt-leanback-support 文件： PlaybackStateCompatApi21.java

public static Object newInstance(int state, long position, long bufferedPosition,
        float speed, long actions, CharSequence errorMessage, long updateTime) {
    PlaybackState.Builder stateObj = new PlaybackState.Builder();
    stateObj.setState(state, position, speed, updateTime);
    stateObj.setBufferedPosition(bufferedPosition);
    stateObj.setActions(actions);
    stateObj.setErrorMessage(errorMessage);
    return stateObj.build();
}

源代码13 项目： Telegram-FOSS 文件： MusicBrowserService.java

private void updatePlaybackState(String error) {
    long position = PlaybackState.PLAYBACK_POSITION_UNKNOWN;
    MessageObject playingMessageObject = MediaController.getInstance().getPlayingMessageObject();
    if (playingMessageObject != null) {
        position = playingMessageObject.audioProgressSec * 1000L;
    }

    PlaybackState.Builder stateBuilder = new PlaybackState.Builder().setActions(getAvailableActions());
    int state;
    if (playingMessageObject == null) {
        state = PlaybackState.STATE_STOPPED;
    } else {
        if (MediaController.getInstance().isDownloadingCurrentMessage()) {
            state = PlaybackState.STATE_BUFFERING;
        } else {
            state = MediaController.getInstance().isMessagePaused() ? PlaybackState.STATE_PAUSED : PlaybackState.STATE_PLAYING;
        }
    }

    if (error != null) {
        stateBuilder.setErrorMessage(error);
        state = PlaybackState.STATE_ERROR;
    }
    stateBuilder.setState(state, position, 1.0f, SystemClock.elapsedRealtime());
    if (playingMessageObject != null) {
        stateBuilder.setActiveQueueItemId(MediaController.getInstance().getPlayingMessageObjectNum());
    } else {
        stateBuilder.setActiveQueueItemId(0);
    }

    mediaSession.setPlaybackState(stateBuilder.build());
}

源代码14 项目： BuildingForAndroidTV 文件： PlaybackActivity.java

private void updatePlaybackState() {
    PlaybackState.Builder stateBuilder = new PlaybackState.Builder()
            .setActions(getAvailableActions());
    int state = PlaybackState.STATE_PLAYING;
    if (mPlaybackState == LeanbackPlaybackState.PAUSED || mPlaybackState == LeanbackPlaybackState.IDLE) {
        state = PlaybackState.STATE_PAUSED;
    }
    stateBuilder.setState(state, mVideoView.getCurrentPosition(), 1.0f);
    mSession.setPlaybackState(stateBuilder.build());
}

源代码15 项目： Telegram 文件： MusicBrowserService.java

private void updatePlaybackState(String error) {
    long position = PlaybackState.PLAYBACK_POSITION_UNKNOWN;
    MessageObject playingMessageObject = MediaController.getInstance().getPlayingMessageObject();
    if (playingMessageObject != null) {
        position = playingMessageObject.audioProgressSec * 1000L;
    }

    PlaybackState.Builder stateBuilder = new PlaybackState.Builder().setActions(getAvailableActions());
    int state;
    if (playingMessageObject == null) {
        state = PlaybackState.STATE_STOPPED;
    } else {
        if (MediaController.getInstance().isDownloadingCurrentMessage()) {
            state = PlaybackState.STATE_BUFFERING;
        } else {
            state = MediaController.getInstance().isMessagePaused() ? PlaybackState.STATE_PAUSED : PlaybackState.STATE_PLAYING;
        }
    }

    if (error != null) {
        stateBuilder.setErrorMessage(error);
        state = PlaybackState.STATE_ERROR;
    }
    stateBuilder.setState(state, position, 1.0f, SystemClock.elapsedRealtime());
    if (playingMessageObject != null) {
        stateBuilder.setActiveQueueItemId(MediaController.getInstance().getPlayingMessageObjectNum());
    } else {
        stateBuilder.setActiveQueueItemId(0);
    }

    mediaSession.setPlaybackState(stateBuilder.build());
}

源代码16 项目： TelePlus-Android 文件： MusicPlayerService.java

@Override
public void onCreate() {
    audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
    for (int a = 0; a < UserConfig.MAX_ACCOUNT_COUNT; a++) {
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.messagePlayingDidSeek);
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.messagePlayingPlayStateChanged);
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        mediaSession = new MediaSession(this, "telegramAudioPlayer");
        playbackState = new PlaybackState.Builder();
        albumArtPlaceholder = Bitmap.createBitmap(AndroidUtilities.dp(102), AndroidUtilities.dp(102), Bitmap.Config.ARGB_8888);
        Drawable placeholder = getResources().getDrawable(R.drawable.nocover_big);
        placeholder.setBounds(0, 0, albumArtPlaceholder.getWidth(), albumArtPlaceholder.getHeight());
        placeholder.draw(new Canvas(albumArtPlaceholder));
        mediaSession.setCallback(new MediaSession.Callback() {
            @Override
            public void onPlay() {
                MediaController.getInstance().playMessage(MediaController.getInstance().getPlayingMessageObject());
            }

            @Override
            public void onPause() {
                MediaController.getInstance().pauseMessage(MediaController.getInstance().getPlayingMessageObject());
            }

            @Override
            public void onSkipToNext() {
                MediaController.getInstance().playNextMessage();
            }

            @Override
            public void onSkipToPrevious() {
                MediaController.getInstance().playPreviousMessage();
            }

            @Override
            public void onStop() {
                //stopSelf();
            }
        });
        mediaSession.setActive(true);
    }

    super.onCreate();
}

源代码17 项目： TelePlus-Android 文件： MusicPlayerService.java

@Override
public void onCreate() {
    audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
    for (int a = 0; a < UserConfig.MAX_ACCOUNT_COUNT; a++) {
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.messagePlayingDidSeek);
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.messagePlayingPlayStateChanged);
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        mediaSession = new MediaSession(this, "telegramAudioPlayer");
        playbackState = new PlaybackState.Builder();
        albumArtPlaceholder = Bitmap.createBitmap(AndroidUtilities.dp(102), AndroidUtilities.dp(102), Bitmap.Config.ARGB_8888);
        Drawable placeholder = getResources().getDrawable(R.drawable.nocover_big);
        placeholder.setBounds(0, 0, albumArtPlaceholder.getWidth(), albumArtPlaceholder.getHeight());
        placeholder.draw(new Canvas(albumArtPlaceholder));
        mediaSession.setCallback(new MediaSession.Callback() {
            @Override
            public void onPlay() {
                MediaController.getInstance().playMessage(MediaController.getInstance().getPlayingMessageObject());
            }

            @Override
            public void onPause() {
                MediaController.getInstance().pauseMessage(MediaController.getInstance().getPlayingMessageObject());
            }

            @Override
            public void onSkipToNext() {
                MediaController.getInstance().playNextMessage();
            }

            @Override
            public void onSkipToPrevious() {
                MediaController.getInstance().playPreviousMessage();
            }

            @Override
            public void onStop() {
                //stopSelf();
            }
        });
        mediaSession.setActive(true);
    }

    super.onCreate();
}

源代码18 项目： Telegram-FOSS 文件： MusicPlayerService.java

@Override
public void onCreate() {
    audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
    for (int a = 0; a < UserConfig.MAX_ACCOUNT_COUNT; a++) {
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.messagePlayingDidSeek);
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.messagePlayingPlayStateChanged);
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.httpFileDidLoad);
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.fileDidLoad);
    }
    imageReceiver = new ImageReceiver(null);
    imageReceiver.setDelegate((imageReceiver, set, thumb, memCache) -> {
        if (set && !TextUtils.isEmpty(loadingFilePath)) {
            MessageObject messageObject = MediaController.getInstance().getPlayingMessageObject();
            if (messageObject != null) {
                createNotification(messageObject, true);
            }
            loadingFilePath = null;
        }
    });

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        mediaSession = new MediaSession(this, "telegramAudioPlayer");
        playbackState = new PlaybackState.Builder();
        albumArtPlaceholder = Bitmap.createBitmap(AndroidUtilities.dp(102), AndroidUtilities.dp(102), Bitmap.Config.ARGB_8888);
        Drawable placeholder = getResources().getDrawable(R.drawable.nocover_big);
        placeholder.setBounds(0, 0, albumArtPlaceholder.getWidth(), albumArtPlaceholder.getHeight());
        placeholder.draw(new Canvas(albumArtPlaceholder));
        mediaSession.setCallback(new MediaSession.Callback() {
            @Override
            public void onPlay() {
                MediaController.getInstance().playMessage(MediaController.getInstance().getPlayingMessageObject());
            }

            @Override
            public void onPause() {
                MediaController.getInstance().pauseMessage(MediaController.getInstance().getPlayingMessageObject());
            }

            @Override
            public void onSkipToNext() {
                MediaController.getInstance().playNextMessage();
            }

            @Override
            public void onSkipToPrevious() {
                MediaController.getInstance().playPreviousMessage();
            }

            @Override
            public void onSeekTo(long pos) {
                MessageObject object = MediaController.getInstance().getPlayingMessageObject();
                if (object != null) {
                    MediaController.getInstance().seekToProgress(object, pos / 1000 / (float) object.getDuration());
                    updatePlaybackState(pos);
                }
            }

            @Override
            public void onStop() {
                //stopSelf();
            }
        });
        mediaSession.setActive(true);
    }

    registerReceiver(headsetPlugReceiver, new IntentFilter(AudioManager.ACTION_AUDIO_BECOMING_NOISY));

    super.onCreate();
}

源代码19 项目： Telegram 文件： MusicPlayerService.java

@Override
public void onCreate() {
    audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
    for (int a = 0; a < UserConfig.MAX_ACCOUNT_COUNT; a++) {
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.messagePlayingDidSeek);
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.messagePlayingPlayStateChanged);
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.httpFileDidLoad);
        NotificationCenter.getInstance(a).addObserver(this, NotificationCenter.fileDidLoad);
    }
    imageReceiver = new ImageReceiver(null);
    imageReceiver.setDelegate((imageReceiver, set, thumb, memCache) -> {
        if (set && !TextUtils.isEmpty(loadingFilePath)) {
            MessageObject messageObject = MediaController.getInstance().getPlayingMessageObject();
            if (messageObject != null) {
                createNotification(messageObject, true);
            }
            loadingFilePath = null;
        }
    });

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        mediaSession = new MediaSession(this, "telegramAudioPlayer");
        playbackState = new PlaybackState.Builder();
        albumArtPlaceholder = Bitmap.createBitmap(AndroidUtilities.dp(102), AndroidUtilities.dp(102), Bitmap.Config.ARGB_8888);
        Drawable placeholder = getResources().getDrawable(R.drawable.nocover_big);
        placeholder.setBounds(0, 0, albumArtPlaceholder.getWidth(), albumArtPlaceholder.getHeight());
        placeholder.draw(new Canvas(albumArtPlaceholder));
        mediaSession.setCallback(new MediaSession.Callback() {
            @Override
            public void onPlay() {
                MediaController.getInstance().playMessage(MediaController.getInstance().getPlayingMessageObject());
            }

            @Override
            public void onPause() {
                MediaController.getInstance().pauseMessage(MediaController.getInstance().getPlayingMessageObject());
            }

            @Override
            public void onSkipToNext() {
                MediaController.getInstance().playNextMessage();
            }

            @Override
            public void onSkipToPrevious() {
                MediaController.getInstance().playPreviousMessage();
            }

            @Override
            public void onSeekTo(long pos) {
                MessageObject object = MediaController.getInstance().getPlayingMessageObject();
                if (object != null) {
                    MediaController.getInstance().seekToProgress(object, pos / 1000 / (float) object.getDuration());
                    updatePlaybackState(pos);
                }
            }

            @Override
            public void onStop() {
                //stopSelf();
            }
        });
        mediaSession.setActive(true);
    }

    registerReceiver(headsetPlugReceiver, new IntentFilter(AudioManager.ACTION_AUDIO_BECOMING_NOISY));

    super.onCreate();
}

方法所在类

android.media.session.PlaybackState