앱이 네이티브에 반응하는 작은 트릭 - 오버레이가 있는 사이드 메뉴

import React, { Component } from 'react';
import {
    View, 
    Text 
} from 'react-native';

import MenuList from './containers/MenuList'
import MenuOverlay from './containers/MenuOverlay'

import styles from './style/SideMenuStyle'

export default class SideMenu extends Component {
    render() {        
        let { 
            navigation,
            onToggleMenu 
        } = this.props

        return (
            <View style={styles.container}>
                <MenuOverlay 
                    onToggleMenu={onToggleMenu}
                    navigation={navigation}
                />
                <View style={styles.menu}>
                    <MenuList 
                        onToggleMenu={onToggleMenu}
                        navigation={navigation} 
                    />
                </View>
            </View>
        );
    }
}

import { StyleSheet, Dimensions } from 'react-native';

let width = Dimensions.get('window').width
let height = Dimensions.get('window').height

export default styles = StyleSheet.create({
    container : {
        flex: 1,
        position : 'absolute',
        left: 0,
        top: 0,
        width : width, 
        height : height,
        paddingTop : 10,
        paddingLeft : 10,
        paddingRight : 10,
        paddingBottom : 10
    },
    menu: {
        flex: 1,
        backgroundColor: '#FFF',
        position : 'absolute',
        left: 0,
        top: 0,
        width : width * 0.8, 
        height : height,
        paddingTop : 10,
        paddingLeft : 10,
        paddingRight : 10,
        paddingBottom : 10
    },
    menuItem : {
        paddingTop : 10
    }
});

import React, { Component } from 'react';
import {
    TouchableHighlight,
    Text
} from 'react-native';

import styles from '../style/MenuOverlayStyle'

export default class MenuOverlay extends Component {

    render() {

        return (
            <TouchableHighlight 
                onPress={() => {
                    this.props.onToggleMenu()
                }}
                style={styles.overlay}>
                <Text></Text>
            </TouchableHighlight>
        );
    }
}

import { StyleSheet, Dimensions } from 'react-native';

let width = Dimensions.get('window').width
let height = Dimensions.get('window').height

export default styles = StyleSheet.create({
    overlay: {
        backgroundColor: 'rgba(52, 52, 52, 0.8)',
        position : 'absolute',
        left: 0,
        top: 0,
        width : width, 
        height : height,
        paddingTop : 10,
        paddingLeft : 10,
        paddingRight : 10,
        paddingBottom : 10
    }
});