javascript - 从另一个屏幕导航后如何重新加载页面

Question

//我正在使用下面的代码将一个屏幕导航到另一个屏幕，即主页。 但是当我浏览主页时，我必须刷新页面 ..reload。目前，当我进入主屏幕时，没有调用生命周期方法。特别是我必须刷新或召回的 UserAvatar 组件。 请建议

    <View style={{textTransform: 'lowercase'}}><YellowBtn label="Go to 
  Dashboard"
               OnClick={this._redirectCustomerView}/></View>


        _redirectCustomerView = () => {
            this.props.navigation.navigate('UserHome');
          };

//下面是首页

 export default class App extends React.Component {
      constructor(props) {
        super(props);
        this.state = { title: 'Hello!', hasFooterPermission: false };
        console.log("Valuueeeeeee");
      }

      async componentDidMount() {
        const homeFooter = await hasPermission('clm.360D.fe.restrictedView.allowed');

        this.setState({
          hasFooterPermission: homeFooter
        })
      }

      onSearchClick = () => {
        this.props.navigation.navigate('SubscriberSearch');
      };
      componentWillMount(){
        console.log(" Home page dataaaa");
      }


      render() {
        return (
          <View>
            <ImageBackground source={BG} style={{ width: '100%', height: '100%' }} resizeMode="cover">
              <View  style={{ paddingTop: 5 , alignContent:'space-between',flexDirection:'row'}}>
                <View style={{alignSelf: 'flex-start', flex:1}}>
                  <UserAvatar navigationProps={this.props.navigation} avatarSize={40} isTouchable={true}/>
                </View>
                {/* <View style={{alignSelf: 'flex-end'}}>
                  <Icon
                    name="bell-outline"
                    type="MaterialCommunityIcons"
                    style={{ color: '#FFFFFF' }}
                    onPress={() => Toastr.showToast('No new notifications!', 3000)}
                  />
                </View> */}
              </View>

Answer 1

使用推送而不是导航

this.props.navigation.push('UserHome');