title: embedded youtube video in App plays black screen
body: <p>Platform I'm using to build app is app makr. The section I am trying to embed in is custom content.  Simulator plays vid but live version is audio only. Black screen. Using standard embed code iframe. And tried other codes. No luck. Any advice ?</p>
  
  <p>Code:</p>
  
  <pre><code>&lt;iframe width="560" height="315" src="http://www.youtube.com/embed/P0M6Jjh5Rdw" frameborder="0" allowfullscreen&gt;&lt;/iframe&gt;
  </code></pre>