App.js

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,
  ActivityIndicator,
} from 'react-native';
import { Ionicons } from '@expo/vector-icons';

import AppNavigator from './navigation/AppNavigator';
import store from './components/store';
import { Provider } from 'react-redux';

export default function App(props) {
  console.disableYellowBox = true;
  const [isLoadingComplete, setLoadingComplete] = useState(false);
  if (!isLoadingComplete && !props.skipLoadingScreen) {
    return (
      <AppLoading
        startAsync={loadResourcesAsync}
        onError={handleLoadingError}
        onFinish={() => handleFinishLoading(setLoadingComplete)}
      />
    );
  } else {
    return (
      <Provider store={store}>
        <View style={styles.container}>
          {Platform.OS === 'ios' && <StatusBar barStyle="default" />}
          <AppNavigator />
        </View>
      </Provider>
    );
  }
}

async function loadResourcesAsync() {
  await Promise.all([
    Asset.loadAsync([
      require('./assets/images/foodDishes.jpg'),
      require('./assets/images/rawFruits.jpg'),
    ]),
    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) {
  // In this case, you might want to report the error to your error reporting
  // service, for example Sentry
  console.warn(error);
}

function handleFinishLoading(setLoadingComplete) {
  setLoadingComplete(true);
}

const styles = StyleSheet.create({
  container: {
    flex: 1,
    backgroundColor: '#fff',
  },
  header: {
    flexDirection: 'row',
    width: '100%',
    backgroundColor: 'crimson',

    height: 80,
    paddingTop: 36,
    alignItems: 'center',
    justifyContent: 'space-between',
    paddingLeft: 15,
    paddingRight: 15,
  },
  headerText: {
    color: 'white',
    fontSize: 18,
  },
  welcomeImage: {
    width: 25,
    height: 25,
  },
});