本文整理汇总了Java中android.support.v4.media.session.PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN属性的典型用法代码示例。如果您正苦于以下问题：Java PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN属性的具体用法？Java PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN怎么用？Java PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类android.support.v4.media.session.PlaybackStateCompat的用法示例。
在下文中一共展示了PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN属性的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: updatePlaybackState
/**
* Update the current media player state, optionally showing an error message.
*/
public void updatePlaybackState() {
long position = PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN;
if (mPlayback != null ) {
position = mPlayback.getCurrentPosition();
}
long actions =
PlaybackStateCompat.ACTION_PLAY_PAUSE |
PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS |
PlaybackStateCompat.ACTION_SKIP_TO_NEXT;
if (mPlayback != null && mPlayback.isPlaying()) {
actions |= PlaybackStateCompat.ACTION_PAUSE;
} else {
actions |= PlaybackStateCompat.ACTION_PLAY;
}
int state = mPlayback.getState();
//noinspection ResourceType
PlaybackStateCompat.Builder stateBuilder = new PlaybackStateCompat.Builder()
.setActions(actions)
.setState(state, position, 1.0f, SystemClock.elapsedRealtime());
mMediaSession.setPlaybackState(stateBuilder.build());
Intent intent = new Intent("change-playback-state-event");
intent.putExtra("state", state);
LocalBroadcastManager.getInstance(getApplicationContext()).sendBroadcast(intent);
}
示例2: updatePlaybackState
public void updatePlaybackState(int errorCode, String errorMsg) {
Log.d(TAG, "updatePlaybackState, playback state = " + mPlayback.getState());
long position = PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN;
if (mPlayback != null && mPlayback.isConnected()) {
position = mPlayback.getCurrentStreamPosition();
}
long playbackActions = PlaybackStateCompat.ACTION_PLAY
| PlaybackStateCompat.ACTION_PLAY_FROM_MEDIA_ID;
if (mPlayback.isPlaying()) {
playbackActions |= PlaybackStateCompat.ACTION_PAUSE;
}
PlaybackStateCompat.Builder builder = new PlaybackStateCompat.Builder().setActions(playbackActions);
int state = mPlayback.getState();
if (errorCode != -1 && errorMsg != null) {
builder.setErrorMessage(errorCode, errorMsg);
state = PlaybackStateCompat.STATE_ERROR;
}
builder.setState(state, position, SystemClock.elapsedRealtime());
MediaSessionCompat.QueueItem currentMedia = mQueueManager.getCurrentMedia();
if (currentMedia != null) {
builder.setActiveQueueItemId(currentMedia.getQueueId());
}
// mSession.setPlaybackState(builder.build());
mServiceCallback.onPlaybackStateUpdate(builder.build());
// if (state == PlaybackStateCompat.STATE_PLAYING ||
// state == PlaybackStateCompat.STATE_PAUSED) {
// mServiceCallback.onHandleNotification();
// }
//
}