react-native - NavigationActions.reset 不是函数吗？

Question

我创建的项目有 Welcome屏幕导航至 MainActivity屏幕。我希望当用户单击后退按钮时，它会在 MainActivity 中关闭应用程序不回Welcome屏幕。我使用图书馆 react-navigation ，所以我从 Github 寻找一些解决方案。

当我使用来自 https://github.com/react-navigation/react-navigation/issues/295 的代码时.我收到错误:

NavigationActions.reset is not a function

我 console.log(NavigationActions);



显然没有重置。但是为什么其他人都可以使用代码？

我想不通。任何帮助，将不胜感激。提前致谢。

这是我的 Welcome.js:

import React, { Component } from 'react';
import { View, Text, ActivityIndicator } from 'react-native';
import { NavigationActions } from 'react-navigation';
import { connect } from 'react-redux';
import { ColorSetting } from './common/ColorSetting';
import { fetchMainMovieList } from '../actions';

class Welcome extends Component {
  static navigationOptions = {
    header: null,
  };

  componentDidMount() {
    // call main page data first
    this.props.fetchMainMovieList();

    this.timer = setTimeout(() => { 
      this.navigateToMainActivity();
    }, 3000);
  }
  componentWillUnmount() {
    // if this.timer existed，then use clearTimeout to remove it.
    this.timer && clearTimeout(this.timer);
  }

  navigateToMainActivity() {
    console.log(NavigationActions);
    const resetAction = NavigationActions.reset({
      index: 1,
      actions: [
        NavigationActions.navigate({ routeName: 'MainActivity' })
      ]
    });

    this.props.navigation.dispatch(resetAction);
  }

  render() {
    return (
      <View>
        <Text>Three !</Text>
      </View>
    );
  }
}

export default connect(null, { fetchMainMovieList })(Welcome);

Answer 1

V5.x 更新:

import { CommonActions } from '@react-navigation/native';


const resetAction = CommonActions.reset({
    index: 1,
    routes: [{ name: YOUR_ROUTE_NAME, params: { YOUR_OPTIONAL_DATA } }]
});
navigation.dispatch(resetAction);

在版本> 2的 react 导航中，您可以使用此代码重置堆栈:

    import { NavigationActions, StackActions } from 'react-navigation';
    const resetAction = StackActions.reset({
            index: 0,
            actions: [NavigationActions.navigate({ routeName: 'MainActivity' })],
        });
    this.props.navigation.dispatch(resetAction);

我希望这个能帮上忙...