UU_RN_M/units/components/pages/HomeScreen.js

import React from "react";
import {connect} from 'react-redux'
import {View, Text, Button,TouchableHighlight,StyleSheet,Image,TouchableOpacity} from "react-native";
import {changeBtnText} from "../../actions/bi/index";
import YRHttpRequest from  "../../utils/network/fetch"
import {API} from "../../utils/network/axios/api.config";
import {NativeModules} from 'react-native';
import NavigationUtil from "../navigator/NavigationUtil";
const YRRnBridge = NativeModules.YRRnBridge;

class HomeScreen extends React.Component {

    static navigationOptions = {
        title: 'DetailsScreen',
        headerBackTitle:'返回',//设置返回此页面的返回按钮文案，有长度限制
        headerLeft:(

            <TouchableOpacity  style={{marginLeft:0,width:50,height:30}}


                onPress={() => {

                    YRRnBridge.goBack();

                }}

            >


                <Image  style={{marginLeft:20,marginTop:6,width:12,height:20,}}

                        source={{uri: 'uu_back-icon'}}

                ></Image>

            </TouchableOpacity>


        )
    }

    loadData=()=>{
        //fetch请求
        console.log("loadData():",API.TEST_GET);
        YRHttpRequest.get(API.TEST_GET).then(res=>{
            console.log("res.data=",res);
        }).catch(err=>{
            console.log("res.data=",err);
        })
        //axios请求
        // console.log("loadData():",API.TEST_GET);
        // sendGet({url:API.TEST_GET,params:{
        //     name:'arison'
        // }}).then(res=>{
        //     console.log("res.data=",res);
        // }).catch(err=>{
        //     console.log("res.data=",err);
        // })
    }


    componentDidMount() {

        //适配iOS侧滑返回
        this.viewDidAppear = this.props.navigation.addListener( //类似OC里的 viewDidAppear方法
            'didFocus',// 有4个取值 willFocus即将显示、didFocus完成显示、willBlur即将消失、didBlur消失
            (obj)=>{

                YRRnBridge.gestureEnabled(true);

            }
        )

        this.viewWillDisappear = this.props.navigation.addListener(//类似OC里的 viewWillDisappear方法
            'willBlur', // 有4个取值 willFocus即将显示、didFocus完成显示、willBlur即将消失、didBlur消失
            (obj)=>{

                YRRnBridge.gestureEnabled(false);

            }
        )


    }

    componentWillUnmount() {   // 移除监听

        this.viewDidAppear.remove();
        this.viewWillDisappear.remove();

    }


    render() {

        const {navigation} = this.props;

        NavigationUtil.navigation = navigation;

        return (
            <View style={{flex: 1, alignItems: "center", justifyContent: "center"}}>
                <Text style={{marginBottom: 10}}>Home Screen</Text>
                <Button
                    title="详情页"
                    onPress={() => {
                        navigation.navigate('Details', {name: '动态的'});
                    }}
                />

                <Text style={{marginBottom: 10}}>{this.props.btnText}</Text>
                <Button title="更新文字"
                        onPress={() => {
                             this.props.changeText("我的第一个ReactNative项目!");
                        }}/>

                <Button style={{marginBottom: 10}}
                        title="断点调式" onPress={()=>{
                    for (let i = 0; i < 10; i++) {
                            console.log("i*i=",i*i);
                    }
                }}/>

                <TouchableHighlight
                    underlayColor="#FF00FF"
                    activeOpacity={1}
                    style={styles.button} onPress={this.loadData.bind(this)}>
                    <Text style={styles.text} > Touch Here </Text>
                </TouchableHighlight>

                <Button title="热更新测试"
                        onPress={() => {

                            NavigationUtil.goPage({name: '热更新'},'CodePushPage');

                            // navigation.navigate('CodePushPage', {name: '热更新'});

                        }}/>
                <Button title="图表测试"
                        onPress={() => {

                            navigation.navigate('EChartsPage', {name: '图表'});

                        }}/>

            </View>
        );
    }
}

const styles = StyleSheet.create({
    container: {
        flex: 1,
        justifyContent: 'center',
        paddingHorizontal: 10
    },
    button: {
        alignItems: 'center',
        backgroundColor: '#DDDDDD',
        borderRadius:5,
        padding: 10,
        margin:10
    },
    countContainer: {
        alignItems: 'center',
        padding: 10
    },
    countText: {
        color: '#FF00FF'
    },
    text:{
        fontWeight:'600',
        color:'#FFFFFF'
    }
})

const mapStateToProps = state => ({
    btnText:state.pageMainReducer.btnText
})

const mapDispatchToProps = dispatch => ({
    changeText:(text)=>{
        dispatch(changeBtnText(text));
    }
})

export default connect(mapStateToProps, mapDispatchToProps)(HomeScreen)