React Navigation - Drawer Sample - App.js

App.js

import * as React from 'react';
import { NavigationContainer } from '@react-navigation/native';
import { createDrawerNavigator } from '@react-navigation/drawer';

const Drawer = createDrawerNavigator();

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