App.tsx

import { Ionicons } from '@expo/vector-icons';
import { AppLoading } from 'expo';
import { Asset } from 'expo-asset';
import * as Font from 'expo-font';
import React, { useState } from 'react';
import { Platform, StatusBar, StyleSheet, View } from 'react-native';
import AppNavigator from './navigation/AppNavigator';
import { ScreenOrientation } from 'expo';
import GameView from './game/GameView';
import HomeScreen from './menu/HomeScreen';

type BaseProps = {
  skipLoadingScreen?: boolean;
};

export const App: React.FC<BaseProps> = props => {
  const [isLoadingComplete, setLoadingComplete] = useState(false);

  if (!isLoadingComplete && !props.skipLoadingScreen) {
    return (
      <AppLoading
        startAsync={loadResourcesAsync}
        onError={handleLoadingError}
        onFinish={() => handleFinishLoading(setLoadingComplete)}
      />
    );
  }
  return (
    <View style={styles.container}>
      {Platform.OS === 'ios' && <StatusBar barStyle='default' />}
      <HomeScreen />
      {/* <AppNavigator /> */}
    </View>
  );
};

export default App;

async function loadResourcesAsync() {
  await Promise.all([
    Asset.loadAsync([
      require('./assets/images/robot-dev.png'),
      require('./assets/images/robot-prod.png')
    ]),
    Font.loadAsync({
      // This is the font that we are using for our tab bar
      ...Ionicons.font,
      // We include SpaceMono because we use it in HomeScreen.js. Feel free to
      // remove this if you are not using it in your app
      'space-mono': require('./assets/fonts/SpaceMono-Regular.ttf')
    })
  ]);
}

function handleLoadingError(error: Error) {
  // In this case, you might want to report the error to your error reporting
  // service, for example Sentry
  console.warn(error);
}

function handleFinishLoading(setLoadingComplete: Function) {
  setLoadingComplete(true);
  ScreenOrientation.lockAsync(ScreenOrientation.OrientationLock.LANDSCAPE_LEFT);
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#fff'
  }
});