Example usage for android.support.v4.media MediaMetadataCompat containsKey

Introduction

In this page you can find the example usage for android.support.v4.media MediaMetadataCompat containsKey.

Prototype

public boolean containsKey(String key) 

Source Link

Document

Returns true if the given key is contained in the metadata

Usage

From source file:rocks.stalin.android.app.playback.RemotePlayback.java

@Override
public void play(QueueItem item) {
    mPlayOnFocusGain = true;//from  w  w  w  .  ja va  2 s. c  o m
    tryToGetAudioFocus();
    registerAudioNoisyReceiver();
    String mediaId = item.getDescription().getMediaId();
    boolean mediaHasChanged = !TextUtils.equals(mediaId, mCurrentMediaId);
    if (mediaHasChanged) {
        mCurrentPosition = 0;
        mCurrentMediaId = mediaId;
    }

    if (mState == PlaybackStateCompat.STATE_PAUSED && !mediaHasChanged && mediaPlayer != null) {
        configMediaPlayerState();
    } else {
        mState = PlaybackStateCompat.STATE_STOPPED;
        relaxResources(false); // release everything except MediaPlayer
        MediaMetadataCompat track = mMusicProvider
                .getMusic(MediaIDHelper.extractMusicIDFromMediaID(item.getDescription().getMediaId()));

        String source = null;
        Uri uriSource = null;
        //noinspection ResourceType
        if (track.containsKey(MusicProviderSource.CUSTOM_METADATA_TRACK_SOURCE)) {
            source = track.getString(MusicProviderSource.CUSTOM_METADATA_TRACK_SOURCE);
            if (source != null) {
                source = source.replaceAll(" ", "%20"); // Escape spaces for URLs
            }
        } else {
            uriSource = ContentUris.withAppendedId(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
                    Long.parseLong(track.getString(MediaMetadataCompat.METADATA_KEY_MEDIA_ID)));
        }

        try {
            createMediaPlayerIfNeeded();

            mState = PlaybackStateCompat.STATE_BUFFERING;

            mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
            if (uriSource != null) {
                mediaPlayer.setDataSource(mContext, uriSource);
            } else {
                mediaPlayer.setDataSource(source);
                // If we are streaming from the internet, we want to hold a
                // Wifi lock, which prevents the Wifi radio from going to
                // sleep while the song is playing.
                mWifiLock.acquire();
            }

            // Starts preparing the media player in the background. When
            // it's done, it will call our OnPreparedListener (that is,
            // the onPrepared() method on this class, since we set the
            // listener to 'this'). Until the media player is prepared,
            // we *cannot* call start() on it!
            mediaPlayer.prepareAsync();

            if (mCallback != null) {
                mCallback.onPlaybackStatusChanged(mState);
            }

        } catch (IOException ex) {
            LogHelper.e(TAG, ex, "Exception playing song");
            if (mCallback != null) {
                mCallback.onError(ex.getMessage());
            }
        }
    }
}

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