title: React-Native RTC view overlap
body: <p>I am using video in RTCView and I want to show one small video over another video. But my RTCView is not overlapping with each other. below is my code</p>
  
  <pre><code>&lt;RTCView streamURL={this.state.selfViewSrc} style={styles.selfView}/&gt;
  {
     mapHash(this.state.remoteList, function(remote, index) {
     return &lt;RTCView key={index} streamURL={remote} style=    {styles.remoteView}/&gt;
    })
  }
  </code></pre>
  
  <p>CSS are-</p>
  
  <pre><code>const styles = StyleSheet.create({
  selfView: {
      width: width,
      height: (Platform.OS === 'ios') ? height-80 : height/2+100,
      alignSelf: 'center',
      zIndex: 0,
  },
  remoteView: {
      position: 'absolute',
      zIndex: 2,
      marginTop: (Platform.OS === 'ios') ? -120 : 0,
      width: 120,
      height: 120,
      left: 0,
      borderWidth: .5,
      alignSelf: 'flex-start'
  },
  </code></pre>