Tutorial2.js

import * as React from 'react';
import { Text, View, Button } from 'react-native';
import { NavigationContainer } from '@react-navigation/native';
import { createBottomTabNavigator } from '@react-navigation/bottom-tabs';



function HomeScreen() {
  return (
    <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
      <Text>Home!</Text>
    </View>
  );
}

function SettingsScreen() {
  return (
    <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center'}}>
      <Text>Settings!</Text>
    </View>
  );
}


const Tab = createBottomTabNavigator();

export default function Tutorial2() {
  return (
    <NavigationContainer>
        <Tab.Navigator>
         <Tab.Screen name="Home" component={HomeScreen} />
         <Tab.Screen name="Settings" component={SettingsScreen} />
       </Tab.Navigator>
    </NavigationContainer>
  );
}