Example usage for android.support.v4.media.session PlaybackStateCompat PLAYBACK_POSITION_UNKNOWN

Introduction

In this page you can find the example usage for android.support.v4.media.session PlaybackStateCompat PLAYBACK_POSITION_UNKNOWN.

Prototype

long PLAYBACK_POSITION_UNKNOWN

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Document

Use this value for the position to indicate the position is not known.

Usage

From source file:com.example.android.mediabrowserservice.MusicService.java

/**
 * Update the current media player state, optionally showing an error message.
 *
 * @param error if not null, error message to present to the user.
 *//*from   ww w  .  j av a 2s  .co  m*/
private void updatePlaybackState(String error) {
    LogHelper.d(TAG, "updatePlaybackState, playback state=" + mPlayback.getState());
    long position = PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN;
    if (mPlayback != null && mPlayback.isConnected()) {
        position = mPlayback.getCurrentStreamPosition();
    }

    PlaybackStateCompat.Builder stateBuilder = new PlaybackStateCompat.Builder()
            .setActions(getAvailableActions());

    setCustomAction(stateBuilder);
    int state = mPlayback.getState();

    // If there is an error message, send it to the playback state:
    if (error != null) {
        // Error states are really only supposed to be used for errors that cause playback to
        // stop unexpectedly and persist until the user takes action to fix it.
        stateBuilder.setErrorMessage(error);
        state = PlaybackStateCompat.STATE_ERROR;
    }
    stateBuilder.setState(state, position, 1.0f, SystemClock.elapsedRealtime());

    // Set the activeQueueItemId if the current index is valid.
    if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
        MediaSessionCompat.QueueItem item = mPlayingQueue.get(mCurrentIndexOnQueue);
        stateBuilder.setActiveQueueItemId(item.getQueueId());
    }

    mSession.setPlaybackState(stateBuilder.build());

    if (state == PlaybackStateCompat.STATE_PLAYING || state == PlaybackStateCompat.STATE_PAUSED) {
        mMediaNotificationManager.startNotification();
    }
}

---

From source file:com.example.android.supportv4.media.MediaBrowserServiceSupport.java

/**
 * Update the current media player state, optionally showing an error message.
 *
 * @param error if not null, error message to present to the user.
 */// w ww  .ja  v a  2  s . c om
private void updatePlaybackState(String error) {
    Log.d(TAG, "updatePlaybackState, playback state=" + mPlayback.getState());
    long position = PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN;
    if (mPlayback != null && mPlayback.isConnected()) {
        position = mPlayback.getCurrentStreamPosition();
    }

    PlaybackStateCompat.Builder stateBuilder = new PlaybackStateCompat.Builder()
            .setActions(getAvailableActions());

    setCustomAction(stateBuilder);
    int state = mPlayback.getState();

    // If there is an error message, send it to the playback state:
    if (error != null) {
        // Error states are really only supposed to be used for errors that cause playback to
        // stop unexpectedly and persist until the user takes action to fix it.
        stateBuilder.setErrorMessage(error);
        state = PlaybackStateCompat.STATE_ERROR;
    }
    stateBuilder.setState(state, position, 1.0f, SystemClock.elapsedRealtime());

    // Set the activeQueueItemId if the current index is valid.
    if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
        MediaSessionCompat.QueueItem item = mPlayingQueue.get(mCurrentIndexOnQueue);
        stateBuilder.setActiveQueueItemId(item.getQueueId());
    }

    mSession.setPlaybackState(stateBuilder.build());

    if (state == PlaybackStateCompat.STATE_PLAYING || state == PlaybackStateCompat.STATE_PAUSED) {
        mMediaNotificationManager.startNotification();
    }
}

---

From source file:com.torrenttunes.android.MusicService.java

/**
 * Update the current media player state, optionally showing an error message.
 *
 * @param error if not null, error message to present to the user.
 *///from w ww  .  j  a va  2  s  .c o  m
private void updatePlaybackState(String error) {
    LogHelper.d(TAG, "updatePlaybackState, playback state=" + mPlayback.getState());
    long position = PlaybackStateCompat.PLAYBACK_POSITION_UNKNOWN;
    if (mPlayback != null && mPlayback.isConnected()) {
        position = mPlayback.getCurrentStreamPosition();
    }

    PlaybackStateCompat.Builder stateBuilder = new PlaybackStateCompat.Builder()
            .setActions(getAvailableActions());

    setCustomAction(stateBuilder);
    int state = mPlayback.getState();

    // If there is an error message, send it to the playback state:
    if (error != null) {
        // Error states are really only supposed to be used for errors that cause playback to
        // stop unexpectedly and persist until the user takes action to fix it.
        stateBuilder.setErrorMessage(error);
        state = PlaybackStateCompat.STATE_ERROR;
    }
    stateBuilder.setState(state, position, 1.0f, SystemClock.elapsedRealtime());

    // Set the activeQueueItemId if the current index is valid.
    if (QueueHelper.isIndexPlayable(mCurrentIndexOnQueue, mPlayingQueue)) {
        MediaSessionCompat.QueueItem item = mPlayingQueue.get(mCurrentIndexOnQueue);
        //            stateBuilder.setActiveQueueItemId(item.getQueueId());
    }

    mSession.setPlaybackState(stateBuilder.build());

    if (state == PlaybackStateCompat.STATE_PLAYING || state == PlaybackStateCompat.STATE_PAUSED) {
        mMediaNotificationManager.startNotification();
    }
}

---

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