message: Hid shared elements while animating
diff: @@ -5,8 +5,15 @@ import {SharedElementMotion} from 'navigation-react-native';
  export default ({stateNavigator}) => (
  <SharedElementMotion
  elementStyle={(name, data) => data}
  - onAnimating={(name, oldRef, mountedRef, oldData, mountedData) => {}}
  - onAnimated={(name, oldRef, mountedRef) => {}}
  + onAnimating={(name, oldRef, mountedRef) => {
  + oldRef.setNativeProps({style:{opacity: 0}});
  + mountedRef.setNativeProps({style:{opacity: 0}});
  + }}
  + onAnimated={(name, oldRef, mountedRef) => {
  + if (oldRef)
  + oldRef.setNativeProps({style:{opacity: 1}});
  + mountedRef.setNativeProps({style:{opacity: 1}});
  + }}
  duration={500}
  stateNavigator={stateNavigator}>
  {({x, y, w, h}, name, {image, text}) => (
  