title: How to set focus in touchableopacity?
body: <p>I developing application for android-tv I need set focus in TouchableOpacity.
  How can i do this?
  My example of focus detection on Android TV</p>
  
  <pre><code>enableTVEventHandler() {
      this.evtHandler = new TVEventHandler();
      this.evtHandler.enable(this, this.handleTVRemoteEvent);
  }
  
  
  disableTVEventHandler() {
      if (this.evtHandler) {
          this.evtHandler.disable();
          delete this.evtHandler;
      }
  }
  
  handleTVRemoteEvent = (cmp, event) =&gt; {
      const { eventType, tag } = event;
  
      if (tag !== this.nodeHandle) {
          return;
      }
  
      if (eventType === "focus") {
          this.setState({ isFocus: true });
  
          if (this.props.focus !== undefined) {
              this.props.focus();
          }
      }
  
      if (eventType === "blur") {
          this.setState({ isFocus: false });
      }
  }
  </code></pre>