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React native 返回嵌套堆栈导航器_React Native_React Navigation - Fatal编程技术网

React native 返回嵌套堆栈导航器

React native 返回嵌套堆栈导航器,react-native,react-navigation,React Native,React Navigation,我有以下导航器: const s3flow = createStackNavigator({ S3: Screen3, S4: Screen4 }); const tab1Flow = createStackNavigator({ S1: Screen1, S2: Screen2, s3flow: s3flow }); const switchNavigator = createSwitchNavigator({ loginFlow: createStackNav

我有以下导航器:

const s3flow = createStackNavigator({
  S3: Screen3,
  S4: Screen4
});
 
const tab1Flow = createStackNavigator({
  S1: Screen1,
  S2: Screen2,
  s3flow: s3flow
});
 
const switchNavigator = createSwitchNavigator({
  loginFlow: createStackNavigator({
    Signup: SignupScreen,
    Signin: SigninScreen
  }),
  mainFlow: createBottomTabNavigator({
    tab1Flow: tab1Flow,
    Tab2: Tab2Screen,
    Tab3: Tab3Screen
  })
});
switchNavigator是根导航器。 我在第3屏,导航到第4屏

当我在Screen4中按back时,我希望返回Screen3,但返回Screen1(父亲的堆栈导航器的默认设置)

我如何修复此行为