undefined不是一个函数(评估'_reactNavigation.NavigationActions.reset')

Question

我想在特定超时后将启动画面导航到下一个屏幕.启动画面有一个动画,在Airbnb Lottie的帮助下为React Native完成.

splashscreen代码如下:

import React from "react";
import { Animated, Easing } from "react-native";
import LottieView from "lottie-react-native";
import { NavigationActions } from "react-navigation";

export default class SplashScreen extends React.Component {
  static navigationOptions = {
    header: null
  };

  constructor() {
    super();
    this.state = {
      progress: new Animated.Value(0),
    }
  }

  componentDidMount() {
    setTimeout(() => {
      this.navigateToWalkthrough()
    }, 3500);
    
    Animated.timing(this.state.progress, {
      toValue: 1,
      duration: 3000,
      easing: Easing.linear,
    }).start();
  }

  navigateToWalkthrough = () => {
    const navigateAction = NavigationActions.reset({
      index: 0,
      actions: [NavigationActions.navigate({ routeName: "Walkthrough" })],
    });

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

  render() {
    return(
      <LottieView 
      source={require("../assets/splash/SplashScreenAnimation.json")}
      progress={this.state.progress}
      />
    );
  }
}

我运行应用程序后出现错误:

undefined is not a function (evaluating'_reactNavigation.NavigationActions.reset')

该Main.js文件如下所示:

import React from "react";
import { View, Text } from "react-native";
import { createStackNavigator } from "react-navigation";

import SplashScreen from "./screens/SplashScreen";
import Walkthrough from "./screens/Walkthrough";

const Routes = createStackNavigator({
  Home: {
    screen: SplashScreen
  },
  Walkthrough: {
    screen: Walkthrough
  }
});

export default class Main extends React.Component {
  render() {
    return <Routes />;
  }
}

任何帮助/反馈？

Answer 1

reset动作被移除,NavigationActions并且在反应导航的v2中有StackActions特定的StackNavigator.

StackActions是一个对象,包含用于生成特定于基于堆栈的导航器的操作的方法.其方法扩展了NavigationActions中可用的操作.

支持以下操作:

重置 - 用新状态替换当前状态

替换 - 用另一条路线替换给定键的路线

推送 - 在堆栈顶部添加路由,然后向前导航到该路径

Pop - 导航回以前的路线

PopToTop - 导航到堆栈的顶部路径,解除所有其他路径

Answer 2

import { StackActions, NavigationActions } from 'react-navigation';

navigateToWalkthrough = () => {
  const navigateAction = StackActions.reset({
    index: 0,
    actions: [NavigationActions.navigate({ routeName: "Walkthrough" })],
  });

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