efunbox-mobile-8/pages/MainActivity.js

/**
 * Sample React Native App
 * https://github.com/facebook/react-native
 *
 * @format
 * @flow
 */

import React, { Component } from "react";
import {
  Platform,
  StyleSheet,
  Text,
  View,
  Button,
  DeviceEventEmitter
} from "react-native";
import AndroidUtil from "../util/AndroidUtil";
import BasePage from "./BasePage";

const instructions = Platform.select({
  ios: "Press Cmd+R to reload,\n" + "Cmd+D or shake for dev menu",
  android:
    "Double tap R on your keyboard to reload,\n" +
    "Shake or press menu button for dev menu"
});

type Props = {};
export default class MainActivity extends BasePage {
  render() {
    return (
      <View style={styles.container}>
        <Text style={styles.welcome}>Welcome to React Native!</Text>
        <Text style={styles.instructions}>To get started, edit App.js</Text>
        <Button title="toast" onPress={() => this.Toast("Main")} />
        <Text style={styles.instructions}>To get started, edit App.js</Text>
        <Button
          title="toWebActivity"
          onPress={() => this.toWebPage("这里写json......")}
        />
        <Text style={styles.instructions}>To get started, edit App.js</Text>
        <Button title="testJssssss" onPress={() => this.testJssss()} />
        <Text style={styles.instructions}>To get started, edit App.js</Text>
        <Button title="back" onPress={() => this.backSchoolAge()} />
      </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
  }
});