Android media player retains application instances and causes memory leaks

I have a media player activity as a member variable

My media player is initialized as follows:

mMediaPlayer = new MediaPlayer(); 
mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
mMediaPlayer.setDataSource(MyActivity.this, URL); 
mMediaPlayer.prepareAsync(); 
//i set a on Prepared Listener to start playing on Prepared

Everything is normal, and then I overwrite my active onstop method to publish media player

if(mMediaPlayer!=null){
   if(mMediaPlayer.isPlaying()){
       mMediaPlayer.stop();
   }
   mMediaPlayer.release();
   mMediaPlayer=null;
}

But after the activity stopped, I received a memory leak report from leakcanary

The report reads as follows:

MyApp.Instance->

MyApp.mLoadedApk->

LoadedApk.mReceivers->

ArrayMap.mArray->

arrayObject[].[3]->

ArrayMap.mArray->

arrayObject[][0]->

MediaPlayer.mProxyReceiver->

MediaPlayer.mProxyContext->

leaks MyActivity instance.

MyApp.Instance->

MyApp.mLoadedApk->

LoadedApk.mReceivers->

ArrayMap.mArray->

arrayObject[].[3]->

ArrayMap.mArray->

arrayObject[][0]->

MediaPlayer.mProxyReceiver->

MediaPlayer.mProxyContext->

leaks MyActivity instance.

Yes, I have a myapp class that extends the application and holds a reference to the myapp instance in the static field, but I have never used the reference in the activity. How to solve this leak?

[Edit]

This is my activity Code:

public class PlayActivity extends ActionBarActivity {

private MediaPlayer mediaPlayer;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_play);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
}

@Override
protected void onStop() {
    super.onStop();
    if(mediaPlayer!=null){
        if(mediaPlayer.isPlaying()){
            mediaPlayer.stop();
        }
        mediaPlayer.release();
        mediaPlayer=null;
    }
}

public void playIt(View view){
    if(mediaPlayer==null){
        mediaPlayer = new MediaPlayer();
        mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
            @Override
            public void onPrepared(MediaPlayer mp) {
                mp.start();
            }
        });


    }
    if(!mediaPlayer.isPlaying()){
        mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
        try {
            mediaPlayer.setDataSource(PlayActivity.this, Uri.parse("http://www.noiseaddicts.com/samples_1w72b820/142.mp3"));
            mediaPlayer.prepareAsync();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }



   }

 }

resolvent:

During the test, I found that this occurred during HTTP streaming

When I check the source code of mediaplayer on the target (api19 in my example), there is indeed a streamproxy instance being set and allocated, but it is not released in the release method, but only in the reset method

This works for me:

if (mediaPlayer != null) {
    mediaPlayer.reset();
    mediaPlayer.release();
    mediaPlayer = null;
}