Android Open Source - GlassTunes Glass Tunes App

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Back to project page GlassTunes.

License

The source code is released under:

Apache License

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Java Source Code

package com.glasstunes;
/* ww w. j  av  a 2  s  .  co  m*/
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;

import android.app.Application;

import com.woodblockwithoutco.remotemetadataprovider.media.RemoteMetadataProvider;
import com.woodblockwithoutco.remotemetadataprovider.media.enums.PlayState;
import com.woodblockwithoutco.remotemetadataprovider.media.listeners.OnPlaybackStateChangeListener;

public class GlassTunesApp extends Application implements
    OnPlaybackStateChangeListener {

  private RemoteMetadataProvider mMetadataProvider;

  List<WeakReference<OnPlaybackStateChangeListener>> mPlaybackStateChangeListeners = new ArrayList<WeakReference<OnPlaybackStateChangeListener>>();

  private PlayState mCurrentState = PlayState.STOPPED;

  @Override
  public void onCreate() {
    super.onCreate();
    mMetadataProvider = RemoteMetadataProvider.getInstance(this);
    mMetadataProvider.setOnPlaybackStateChangeListener(this);
    mMetadataProvider.acquireRemoteControls();
  }

  public void addOnPlaybackStateChangedListener(
      OnPlaybackStateChangeListener listener) {
    mPlaybackStateChangeListeners
        .add(new WeakReference<OnPlaybackStateChangeListener>(listener));
    listener.onPlaybackStateChanged(mCurrentState);
  }

  @Override
  public void onPlaybackStateChanged(PlayState playbackState) {
    for (WeakReference<OnPlaybackStateChangeListener> ref : mPlaybackStateChangeListeners) {
      OnPlaybackStateChangeListener listener = ref.get();
      if (listener != null) {
        listener.onPlaybackStateChanged(playbackState);
      } else {
        mPlaybackStateChangeListeners.remove(ref);
      }
    }

    mCurrentState = playbackState;
  }

  public void removeOnPlaybackStateChangedListener(
      OnPlaybackStateChangeListener listener) {
    for (int i = mPlaybackStateChangeListeners.size() - 1; i >= 0; i--) {
      WeakReference<OnPlaybackStateChangeListener> ref = mPlaybackStateChangeListeners
          .get(i);
      OnPlaybackStateChangeListener item = ref.get();
      if (item == null || item.equals(listener)) {
        mPlaybackStateChangeListeners.remove(i);
      }
    }
  }
}

Java Source Code List