title: error using the android youtube player
body: <p>I'm trying to use the android youtube player in my application :
  <a href="https://code.google.com/p/android-youtube-player/" rel="nofollow">https://code.google.com/p/android-youtube-player/</a>
  but i got an erro while running on the phone :</p>
  
  <pre><code>java.lang.NoClassDefFoundError: com.keyes.youtube.OpenYouTubePlayerActivity
  </code></pre>
  
  <p>here is what i wrote :</p>
  
  <pre><code>String urlStr= "http://www.youtube.com/user/armadamusic ";
  Uri uri = Uri.parse(urlStr);
  Intent lVideoIntent = new Intent(null, Uri.parse("ytpl://"+uri), this, OpenYouTubePlayerActivity.class);
  startActivity(lVideoIntent);
  </code></pre>
  
  <p>What is the problem?</p>