Machine_웅_Note

let myMap = new Map() let keyString = '문자열' let keyObj = {} let keyFunc = function() {} // 값 설정 myMap.set(keyString, "'문자열'과 관련된 값") myMap.set(keyObj, 'keyObj와 관련된 값') myMap.set(keyFunc, 'keyFunc와 관련된 값') myMap.size // 3 // getting the values myMap.get(keyString) // "'문자열'과 관련된 값" myMap.get(keyObj) // "keyObj와 관련된 값" myMap.get(keyFunc) // "keyFunc와 관련된 값" myMap.get('문자열') // "'문자열'과 관련된 값" // ke..

https://www.npmjs.com/package/@react-native-community/viewpager @react-native-community/viewpager React Native ViewPager native view www.npmjs.com //인디케이터 indicator(position){ const {data} = this.state if(data.images == undefined){ return() }else{ return( {data.images.map((value,index) => )} ) } } this.setState({image_position : e.nativeEvent.position})} > {data.images.map((value, index) => )} {..

/* props.navigation.setOptions({ headerStyle: { backgroundColor:AppStyle.AppThemeColorRed, shadowColor: 'transparent', elevation: 0, height:75 }, headerTitle: () => { return ( ) }, }); */

let tmp_price = item.price.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");

참고할곳 https://medium.com/@essamtarik2000/introduction-to-react-natives-headless-js-90e87dee0ab4

Text.defaultProps = Text.defaultProps || {} Text.defaultProps.allowFontScaling = false

componentDidMount(){ this.subscribe = this.props.navigation.addListener('focus', e => { // Prevent default action console.log("hi") this.exitApp = false BackHandler.addEventListener('hardwareBackPress', this.handleBackButton); }); this.subscribe2 = this.props.navigation.addListener('blur',e => { console.log('bye') this.exitApp = false BackHandler.removeEventListener('hardwareBackPress', this.han..

1) android/app/src/main/java/com/>/MainApplication.java 이동 @Override protected List getPackages() { @SuppressWarnings("UnnecessaryLocalVariable") List packages = new PackageList(this).getPackages(); // 여기에다가사용할 패키지를 넣어준다. packages.add(new MyAppPackage()); return packages; } 2) MyAppPackage 클래스를 만들어준다. 그리고 implements ReactPackage 해준다. public class MyAppPackage implements ReactPackage { @NonNull @..

const slideUp = { transform: [ { translateY: this.state.animation.interpolate({ inputRange: [0.01,1], outputRange: [500, 0], extrapolate: "clamp", }), }, ], }; componentDidMount(){ Animated.timing(this.state.animation, { toValue: 1, duration: 300, useNativeDriver: true, }).start(); } constructor(props) { super(props); this.state = { animation: new Animated.Value(0), } } interpolate : 값의 변화를 계속 시..