title: React-native-video not showing the video player
body: <p>I am using react-native-video package to get video player in which i can play my youtube videos.</p>
  
  <p>I tried this but only a empty space was coming instead of a video player.</p>
  
  <pre><code>import Video from 'react-native-video';
      &lt;Video source={{uri: 'https://www.youtube.com/watch?v=Gh2FaDqZp2g'}}
                         ref={(ref) =&gt; {
                           this.player = ref
                         }}
                       onBuffer={this.onBuffer}
                       onEnd={this.onEnd}
                       onError={this.videoError}
                       style={styles.backgroundVideo} /&gt;
  </code></pre>
  
  <p>style:</p>
  
  <pre><code>backgroundVideo: {
      height:300,
      width:'100%',
    }
  </code></pre>