title: how to use InteractionManager.runAfterInteractions make navigator transitions faster
body: <p>Because of complex logic, I have to render many components when <code>this.props.navigator.push()</code>, slow navigator transitions make app unavailable.</p>
  
  <p><a href="https://i.stack.imgur.com/XI9Is.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/XI9Is.jpg" alt="enter image description here"></a></p>
  
  <p>then I notice <a href="http://facebook.github.io/react-native/docs/performance.html#slow-navigator-transitions" rel="noreferrer">here</a> provide <code>InteractionManager.runAfterInteractions</code> api to solve this problem, </p>
  
  <p>I need bring most of components which consumed long time to callback after navigator animation finished, but I don't know where should I call it, </p>
  
  <p>maybe a simple example is enough,</p>
  
  <p>thanks for your time.</p>