react native navigation shared element

import { createSharedElementStackNavigator } from 'react-navigation-shared-element';

const stackNavigator = createSharedElementStackNavigator(
  {
    List: ListScreen,
    Detail: DetailScreen,
  },
  {
    initialRouteName: 'List',
  }
);

const AppContainer = createAppContainer(stackNavigator);// ListScreen.js
import { SharedElement } from 'react-navigation-shared-element';

class ListScreen extends React.Component {
  renderItem(item) {
    const { navigation } = this.props;
    return (
      <TouchableOpacity onPress={() => navigation.push('Detail', { item })}>
        <SharedElement id={`item.${item.id}.photo`}>
          <Image source={item.photoUrl} />
        </SharedElement>
      </TouchableOpacity>
    );
  }
}// DetailScreen.js
const DetailScreen = (props) => {
  const item = props.navigation.getParam('item');
  return (
    <SharedElement id={`item.${item.id}.photo`}>
      <Image source={item.photoUrl} />
    </SharedElement>
  );
};

DetailScreen.sharedElements = (navigation, otherNavigation, showing) => {
  const item = navigation.getParam('item');
  return [`item.${item.id}.photo`];
};