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Constant

安裝Expo Constants

npm install expo-constants

使用Expo Constants

import React from 'react';
import {View, StyleSheet, Text} from 'react-native';
import Constants from 'expo-constants';

console.log(Constants);

const MyScreen = () => {
return (
<View style={styles.myView}>
<Text>My Text</Text>
</View>
);
}

const styles = StyleSheet.create({
myView:{
paddingTop: Constants.statuBarHeight,
}
});

export default MyScreen;