React Navigation - Tabbed Sample - App.js

App.js

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

const Tab = createBottomTabNavigator();

const App = () => {
  return (
    <NavigationContainer>
      <Tab.Navigator>
        <Tab.Screen name="Welcome" component={WelcomeScreen} />
        <Tab.Screen name="Greeting" component={GreetingScreen} />
      </Tab.Navigator>
    </NavigationContainer>
  );
};