title: java.io.IOException: setDataSource failed
body: <p>I'm trying to play a video using FullscreenVideoView but i keep getting this error everytime that i try to play a stored video</p>
  
  <pre><code>Java.io.IOException: setDataSource failed.
  
   File n  = new File(getApplicationContext().getFilesDir()+"/Downloads/video9.mp4");
          Log.e(TAG, "URL:" + n); 
  
          fullscreenVideoView.videoFile(n).enableAutoStart().fastForwardSeconds(5)
                  .rewindSeconds(5)
                  .addSeekBackwardButton()
                  .addSeekForwardButton();
  </code></pre>