Update Expo app

App.js

import React from 'react';
import { StyleSheet, Text, View } from 'react-native';
import { Util } from 'expo'

export default class App extends React.Component {
  state = {
    updated: false,
  }
  componentWillMount() {
    Util.addNewVersionListenerExperimental(() => {
      this.setState({ updated: true })
      setTimeout(() => Util.reload(), 10000)
    })
  }
  render() {
    if (this.state.updated) {
      return (<View style={styles.container}>
        <Text>App update available, reloading in 10 seconds...</Text>
      </View>)
    }
    return (
      <View style={styles.container}>
        <Text>App is running...</Text>
      </View>
    );
  }
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#fff',
    justifyContent: 'center',
  },
});