React Navigation V5 Hide Bottom Tabs

问题

I would like to be able to hide the tabs on a screen using React Native Navigation v5.

I've been reading the documentation but it doesn't seem like they've updated this for v5 and it refers to the < v4 way of doing things.

here is my code:

import Home from './components/Home';
import SettingsScreen from './components/Settings';
import * as React from 'react';
import { NavigationContainer } from '@react-navigation/native';
import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';
import { createStackNavigator } from '@react-navigation/stack';

const SettingsStack = createStackNavigator();
const ProfileStack  = createStackNavigator();

function SettingsStackScreen() {
    return (
        <SettingsStack.Navigator>
            <SettingsStack.Screen name="Settings" component={SettingsScreen} />
        </SettingsStack.Navigator>
    )
}

function ProfileStackScreen() {
    return (
        <ProfileStack.Navigator>
            <ProfileStack.Screen name="Home" component={Home} />
        </ProfileStack.Navigator>
    )
}

const Tab = createBottomTabNavigator();

export default function App() {
  return (
    <NavigationContainer>
      <Tab.Navigator>
        <Tab.Screen name="Home" component={ProfileStackScreen} />
        <Tab.Screen name="Settings" component={SettingsStackScreen} />
      </Tab.Navigator>
    </NavigationContainer>
  );
}

Things I have tried:

1. Accessing the options of the function and hiding that way.
2. Passing tabBarVisible as a prop to the Screen.

What I am asking for is, what is the correct way of hiding tabs on screens in React Navigation v5.

回答1:

Let's suppose that you want to hide tabs when you are entering Settings. Just add navigation in your constructor:

function SettingsStackScreen({ navigation ) {
    navigation.setOptions({ tabBarVisible: false })
    return (
        <SettingsStack.Navigator>
            <SettingsStack.Screen name="Settings" component={SettingsScreen} />
        </SettingsStack.Navigator>
    )
}

This code should work.

回答2:

The above answer will help you to remove the bottom tabs from the root navigation.If you want to remove bottom tabs from a specific screen like Home Screen or Settings Screen you need to change navigation options dynamically.

For changing navigation options dynamically you will need the concept of:

• React.Context
• useNavigationState

Context - will dynamically change the navigationOption value i.e. either to hide the bottom Tabs or not. We can choose MobX or Redux to do the same.

UseNavigationState - will help context to know at which screen the user is.

We need to create Context in a separate .js file so that Home.js and Settings.js can access it in all the other screens.

import * as React from 'react';
import { View, Text } from 'react-native'
import { NavigationContainer, useNavigationState, useRoute } from '@react-navigation/native';
const Tab = createBottomTabNavigator();
const Context = React.createContext();

import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';
import { createStackNavigator } from '@react-navigation/stack';
import { TouchableOpacity } from 'react-native-gesture-handler';


const SettingsStack = createStackNavigator();
const ProfileStack = createStackNavigator();

function SettingsScreen({ navigation }) {
  return (
    <View>
      <Text>
        Setting
      </Text>
    </View>
  );
}

function Home({ navigation }) {
  const rout = useNavigationState(state => state);
  const { screen, setScreen } = React.useContext(Context);
  setScreen(rout.index);
  return (
    <View>
      <TouchableOpacity
        onPress={() => {
          navigation.navigate("Settings");
        }}
      >
        <Text>
          Home
        </Text>
      </TouchableOpacity>
    </View>
  );
}

function SettingsStackScreen({ navigation }) {
  return (
    <SettingsStack.Navigator>
      <SettingsStack.Screen name="Settings" component={SettingsScreen} />
    </SettingsStack.Navigator>
  )
}

function ProfileStackScreen({ navigation }) {
  const { screen, setScreen } = React.useContext(Context)
  if (screen == 0) {
    navigation.setOptions({ tabBarVisible: true })
  } else {
    navigation.setOptions({ tabBarVisible: false })
  }
  return (
    <ProfileStack.Navigator>
      <ProfileStack.Screen name="Home" component={Home} />
      <ProfileStack.Screen name="Settings" component={SettingsScreen} />
    </ProfileStack.Navigator>
  )
}

function BottomNav({ navigation }) {
  return (
    <Tab.Navigator>
      <Tab.Screen name="Home" component={ProfileStackScreen} />
      <Tab.Screen name="Settings" component={SettingsStackScreen} />
    </Tab.Navigator>
  );
}


export default function App() {
  const [screen, setScreen] = React.useState(0);

  return (
    <Context.Provider value={{ screen, setScreen }}>
      <NavigationContainer>
        <BottomNav />
      </NavigationContainer>
    </Context.Provider>
  );
}

Here the screen is a flag that checks the index of the navigation and removes the bottom navigation for all the screen stacked in ProfileStackScreen.

回答3:

Use You Looking for Nested Screen Visible then Tab Bar Options Should be hide than Use this Simple Condition in StackNavigator Funtions.

  function HistoryStack({navigation, route}) {
if (route.state.index === 0) {
 navigation.setOptions({tabBarVisible: true});
 } else {
 navigation.setOptions({tabBarVisible: false});
}
return (
<Historys.Navigator initialRouteName={Routes.History}>
  <Historys.Screen
    name={Routes.History}
    component={History}
    options={{headerShown: false}}
  />
  <Historys.Screen
    name={Routes.HistoryDetails}
    component={HistoryDetails}
    options={{headerShown: false}}
  />
</Historys.Navigator>
  );
}

回答4:

You have API reference exactly for this. Read: tabBarVisible

来源：https://stackoverflow.com/questions/60267273/react-navigation-v5-hide-bottom-tabs