App.tsx

import 'react-native-gesture-handler';

import * as React from 'react';
import { Text, View } 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>zSettings!</Text>
    </View>
  );
}

// works
/* export default function App() { */
/*   return ( */
/*     <NavigationContainer> */
/*       <View>Looking good, Todd</View> */
/*     </NavigationContainer> */
/*   ); */
/* } */

// causes testing error; works in emulator */
const Tab = createBottomTabNavigator();
export default function App() {
  return (
    <NavigationContainer>
      <Tab.Navigator>
        <Tab.Screen name="Home" component={HomeScreen} />
        <Tab.Screen name="Settings" component={SettingsScreen} />
      </Tab.Navigator>
    </NavigationContainer>
  );
}