title: MediaPlayer URI
body: <pre><code>String path = Environment.getExternalStorageDirectory().toString()+"/Music/";
      File directory = new File(path);
      File[] mSongsList = directory.listFiles();
  
      Uri mUri= Uri.fromFile(mSongsList[0]);
      Log.v("MainActivity",mUri.toString());
      mMediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
      mMediaPlayer.setDataSource(this, mUri);
      mMediaPlayer.prepare();
      mMediaPlayer.start();
  </code></pre>
  
  <p>I am trying to play the first song in my list but,
  i am getting an error on setDataSource.</p>
  
  <p><strong>it say</strong> "<em>Unhandled Exception: java.io.IOException</em>"</p>