Reset main StackNavigator when user logout?

Question

I'm building a react native app there is login logout of user features.

I want to reset my main StackNavigator when user logout from system and move on login screen.

I'm getting issue when i reset my main StackNavigator from drawer menu.

here is my code,

const OrderStack = createStackNavigator({
    Orders: {
        screen: Orders,
    },
    OrderDetails: {
        screen: OrderDetails,
    },
    DeliveryStatus: {
        screen: DeliveryStatus,
    },
    DeliveryInstructions: {
        screen: DeliveryInstructions,
    },
    ProductDetails: {
        screen: ProductDetails,
    },
});

const DrawerNavigations = createDrawerNavigator({
    Home: OrderStack,
    Location: {
        screen: createStackNavigator({
            Location: {
                screen: Location,
            },
        }),
    }
});
const RootStack = createStackNavigator(
    {
        Login: {
            screen: Login,
        },
        Home: {
            screen: DrawerNavigations,
        }
    },
    {
        initialRouteName: 'Login',
        headerMode: 'none',
        navigationOptions: {
            headerVisible: false,
        }
    },
);


const AppNavigator = createAppContainer(RootStack);

export default class Main extends Component{
    render() {
        return (
            <AppNavigator
                ref={navigatorRef => {
                    NavigationService.setTopLevelNavigator(navigatorRef);
                }}
            />
        )
    }
}

my logout button code,

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

navigationService.js

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

let _navigator;

function setTopLevelNavigator(navigatorRef) {
    _navigator = navigatorRef;
}

function navigateAndReset(routeName){
    _navigator.dispatch(
        StackActions.reset({
            index: 0,
            actions: [
                NavigationActions.navigate({
                    routeName,
                }),
            ],
        })
    );
}

export default {
    setTopLevelNavigator,
    navigateAndReset,
};

Thanks in Advanced! :)

Answer 1

您的resetAction不成功，因为您正在将操作分派到OrderStack上。您需要将resetAction调度到RootStack。 This thread here提出了一些有趣的方法可以实现这一目标，请阅读。

而且，这是我的首选解决方案。因此，我不必在导航器周围传递道具或调用多个嵌套动作。

1. 使用以下内容创建一个navigationService.js（以使您的顶级导航器作为参考）

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

let _navigator;

function setTopLevelNavigator(navigatorRef) {
  _navigator = navigatorRef;
}

function navigateAndReset(routeName, params) {
  _navigator.dispatch(
    StackActions.reset({
      index: 0,
      actions: [
        NavigationActions.navigate({
          routeName,
          params,
        }),
      ],
    })
  );
}

// add other navigation functions that you need and export them

export default {
  setTopLevelNavigator,
  navigateAndReset,
};

1. 在App.js或任何其他文件上渲染AppNavigator（或RootStack），导入NavigationService并设置对AppNavigator的引用

import NavigationService from './navigationService';

...

render() {
  return (

    ...
    <AppNavigator
      ref={navigatorRef => {
        NavigationService.setTopLevelNavigator(navigatorRef);
      }}
    />
    ...

  )
}

1. 无论何时何地想要重置到Login页面，只需导入NavigationService并致电

NavigationService.navigateAndReset('Login', {...yourParamsIfAny});