App.js

App.js

import { StatusBar } from 'expo-status-bar';
import React, { useEffect } from 'react';
import { StyleSheet, Text, View } from 'react-native';
import AsyncStorage from '@react-native-async-storage/async-storage';
 
export default function App() {
 
 const getTheme = async () => {
   try {
     const value = await AsyncStorage.getItem('theme');
     console.log('value', value);
   } catch(error) {
     console.log('error', error);
   };
 };
 
 const setTheme = async () => {
   try {
     await AsyncStorage.setItem('theme', 'dark');
   } catch(error) {
     console.log('error', error);
   };
 };
 
 useEffect(() => {
   setTheme();
 }, []);
 
 return (
   <View style={styles.container}>
     <Text>Open up App.js to start working on your app!</Text>
     <StatusBar style="auto" />
   </View>
 );
};
 
const styles = StyleSheet.create({
 container: {
   flex: 1,
   backgroundColor: '#fff',
   alignItems: 'center',
   justifyContent: 'center',
 },
});