text: /**
   * Created by guangqiang on 2018/2/22.
   */
  import React, { Component } from 'react';
  import {
    AppRegistry,
    StyleSheet,
    Text,
    View,
    TouchableOpacity
  } from 'react-native'
  
  import {Actions} from "react-native-router-flux"
  
  export default class MeApp3 extends Component {
  
    render() {
      return (
          <View style={styles.container}>
            <Text style={styles.welcome}>
              Welcome to MeApp3!
            </Text>
            <Text style={styles.instructions}>
              To get started, edit index.ios.js
            </Text>
            <Text style={styles.instructions}>
              Press Cmd+R to reload,{'\n'}
              Cmd+D or shake for dev menu
            </Text>
            <Text style={styles.instructions}>
              第三个页面
            </Text>
            <TouchableOpacity
                onPress={() => Actions.pop()}
            >
              <Text>点击返回上一级页面</Text>
            </TouchableOpacity>
          </View>
      );
    }
  }
  
  const styles = StyleSheet.create({
    container: {
      flex: 1,
      justifyContent: 'center',
      alignItems: 'center',
      backgroundColor: '#F5FCFF',
    },
    welcome: {
      fontSize: 20,
      textAlign: 'center',
      margin: 10,
    },
    instructions: {
      textAlign: 'center',
      color: '#333333',
      marginBottom: 5,
    },
  })