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React Native for Webï¼npmããã±ã¼ã¸åã¯react-native-webï¼ã¨ããã©ã¤ãã©ãªãç´¹ä»ãã¾ãã æ¦è¦ ãã¨ãã¨Webã®ä¸çï¼ãã©ã¦ã¶ã§è¡¨ç¤ºããããã³ãã¨ã³ãã®ä¸çï¼ã§çã¾ããReactããã¢ãã¤ã«ã®ãã¤ãã£ãã¢ããªã®ä¸çã«åºãããã®ãReact Nativeã§ããããããæ´ã«çºå±ããã¦ãReact Nativeã§æ¸ããReactã³ã³ãã¼ãã³ããWebã§ãåãããããã«ãããã®ãReact Native for Webã§ããä¸å¨åã£ã¦Webã«å ç¥è¿ãã¨ãã£ãæãã§ãã ãã¤ãã£ãã¢ããªã¨Webã¨ã§Reactã³ã³ãã¼ãã³ããå ±éåã§ãããã¨ãä¸çªã®å©ç¹ã§ãã ãã®éè¦ãä»ã¯ããããªã®ããã¡ãã£ã¨ãã¤ãã¼ãªã©ã¤ãã©ãªã§ããã使°ã«GitHubã«ã¯ã¹ã¿ã¼ã8000以ä¸ã¤ãã¦ã¾ãã æåã©ããã§ã¯ Twitter LiteãReact Native for Webï¼ä»¥
React Nativeã§ããã·ã¥éç¥æ©è½è¿½å æ¹æ³ãç´¹ä»ãã¾ãã ã©ã¤ãã©ãª ããã·ã¥éç¥ãå®è£ ããããã«ãreact-native-push-notificationã使ãã¾ãã [zo0r/react-native-push-notification: React Native Local and Remote Notifications] (https://github.com/zo0r/react-native-push-notification) ãã®ã©ã¤ãã©ãªã¯iOSã»Android両æ¹å¯¾å¿ãã¦ã¾ãããä»åã¯iOSã®ã¿è¨å®ãã¾ãã ã¤ã³ã¹ãã¼ã« åãã«ãã©ã¤ãã©ãªãã¤ã³ã¹ãã¼ã«ãã¾ãã import { PushNotificationIOS } from 'react-native'; import PushNotification from 'react-native-pu
çµè«ããè¨ãã¨ãç´æ¥ã¡ã½ããã¯å®è¡ã§ããªããããã§ãã contentComponentãå©ç¨ãã¦Itemé ç®ã«Buttonãªã©ãå·®ãè¾¼ã¿ããã®onPress()çã§å¯¾å¿ãããããã¨ãªããä¸åº¦Componentï¼ç»é¢ï¼ãçµç±ãããããªãããã§ãï¼ä»åã¯åè ã®å¯¾å¿ã§ãï¼ã ãããããã¨ã¯Drawerã«Logoutãä»è¾¼ã¿ããã®ã¾ã¾Logoutãããã ããªã®ã§ããããã 以ä¸ãDrawerã®å®ç¾©ãæç²ããã³ã¼ãã Buttonã ã¨Styleãéå®ãããã®ã§Textã§å¯¾å¿ãã¾ãããã¾ããæ¢åã®ã¡ãã¥ã¼ã¨ä¼¼ããããã«ã¯å¼·å¼ã«styleã§åãããå¿ è¦ãããã¾ãã ãªã®ã§ãsytleã«é¢ããè¨è¿°ã¯ããªãHackçã«ãªãç°å¢ä¾åã§ãããã£ã¨ã¾ã¨ããªæ¹æ³ãããã°æãã¦ã»ããããã Viewã ã¨æ¹è¡ãã¯ããã®ã§Textã§å²ã£ãããTextã ã¨marginãå¹ããªãã®ã§Viewã§å²ã£ããã¨ã»ã»ã»ãç§ã䏿 £ããª
McAfeeãReactNativeã®ãããã°å®è¡ã§ä½¿ç¨ãããPORTï¼ï¼ï¼ï¼ãå æãã¡ããããã ãããåé¿ãã¦ãã³ãã«ãç½®ãã¦ãããªãã¨ãããªãã¿ããã ã¾ããµãã¼ã殺ãã®ããããã©ã以ä¸ã§è§£æ±ºãã¾ããã åèæç® https://facebook.github.io/react-native/docs/troubleshooting https://github.com/facebook/react-native/issues/10715 iOS /node_modules/react-native/local-cli/server/server.js default: process.env.RCT_METRO_PORT || 8081, ããã®8081ã®ãã¼ãçªå·ããä»»æã®çªå·ã«å¤æ´ãã /node_modules/react-native/React/React.xcodepr
注æ react-navigation v3ã§åä½ç¢ºèªãã¦ãã¾ã react-navigation v4ããªãªã¼ã¹ãããcreateBottomTabNavigatorçãåé¢ããã¦ãã¾ãï¼æªå¯¾å¿ï¼ã æ¦è¦ ã¾ã¨ããªã¢ããªãä½ãããã«ã¯Navigationæ©è½ã®å©ç¨ã¯é¿ãã¦éãã¾ããã ã©ã¤ãã©ãªã¨ãã¦ã¯react-navigationã¨react-native-router-flux(rnrf)ã¨ããã®ãæåã¿ããã§ãããReacèªä½ã«ä¸æ £ããªã®ã§æ å ±ãå¤ãreact-navigationãå©ç¨ãã¦ã¿ã¾ãã ãã®åºç¤ç·¨ããã¼ã¹ã«ããå¿ç¨ç·¨ããæ¸ãã¾ããããããããã°ã©ããã React-Navigatorãå©ç¨ãã¦ã¿ãï¼åºç¤ç·¨ï¼âãã®è¨äº RNå¿ç¨ç·¨ï¼ï¼Drawer Navigatorããã³ãã¼ã¬ã¼ã¡ãã¥ã¼ã§è¡¨ç¤ºããã RNå¿ç¨ç·¨ï¼ï¼TabãDrawerã¡ãã¥ã¼ã«ã¢ã¤ã³ã³ãè¨å®ãã RN
æ¢åç·¨ãå¿ç¨ç·¨ï¼ããã®ç¶ãã§ãã ã·ãªã¼ãº React-Navigatorãå©ç¨ãã¦ã¿ãï¼åºç¤ç·¨ï¼ RNå¿ç¨ç·¨ï¼ï¼Drawer Navigatorããã³ãã¼ã¬ã¼ã¡ãã¥ã¼ã§è¡¨ç¤ºããã RNå¿ç¨ç·¨ï¼ï¼TabãDrawerã¡ãã¥ã¼ã«ã¢ã¤ã³ã³ãè¨å®ããâãã®è¨äº RNå¿ç¨ç·¨ï¼ï¼Reduxã§å¤ã®åãåã æ¦è¦ å¿ç¨ç·¨ï¼ã§ã¯ãã³ãã¼ã¬ã¼ã¡ãã¥ã¼ã§è¦ãç®ãããã£ãã®ã§ãã¤ãã§ã«TabãDrawerã¡ãã¥ã¼ã«ã¢ã¤ã³ã³ã追å ãã¦ã¿ã¾ãã Tabã¡ãã¥ã¼ã«ã¢ã¤ã³ã³ã追å ã¢ã¤ã³ã³ãããã¤ãã®å ´æã§è¿½å ã§ãã¾ãããããã§ã¯createBottomTabNavigator()ã«navigationOptionsãå®ç¾©ãããã¨ã§è¿½å ãã¦ã¿ã¾ãã Tabã«ã¢ã¤ã³ã³ã追å ãã¾ããreact-native-vector-iconsãå©ç¨ããã®ã§ãinstallãimportãã¾ã ã§ããã°å®è¡ãã¦ãã ããã +import
import React, { Component } from 'react'; import { Platform } from 'react-native'; import { createMaterialBottomTabNavigator } from 'react-navigation-material-bottom-tabs'; import Icon from 'react-native-vector-icons/Ionicons'; import HomeScreen from 'HomeScreen'; import ProfileScreen from 'ProfileScreen'; import SettingsScreen from 'SettingsScreen'; export default createMaterialBottomTabNavigator
<VirtualizedList data={SOME_IMMUTABLE_LIST_OBJECT} keyExtractor={(item, index) => index.toString()} getItem={(data, index) => data.get(index)} // VirtualizedListã§ã¯å¿ é ãããã㣠getItemCount={data => data.size} // VirtualizedListã§ã¯å¿ é ãããã㣠renderItem={item => this._renderItem(item)} /> æ¦è¦ immutable.jsã®Liståã¯ãè¦ç´ ã®å¼æ°ãè½åçã«æå®ã§ããããã¨ã¦ã便å©ã§ãã ä¾ãã°ãã¼ã¿ãã¼ã¹å ã®idã¨Listã®indexã対å¿ã¥ãããã¨ããä½¿ãæ¹ãã§ãããããä»ã«ã使ã£ã¦ãã人ãããã¨æãã¾ãã ãããimmuta
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Actionsã§æä¾ããã¦ããã¢ãã¡ã¼ã·ã§ã³ãã4ãã¿ã¼ã³ãGIFç»åã§ã¾ã¨ãã¾ããã Actions.pop Actions.popToãåæ§ã§ãã ç¾å¨ã®ãã¼ã¸ã¯å³æã«éãã¤ã¤ãæ°ãããã¼ã¸ãç¾å¨ã®ãã¼ã¸ã®å·¦å´ããç»å ´ãã¾ãã Actions.push keyåãã¡ã½ããã«æå®ããå ´åãããã Actions.jumpã¨åæ§ã§ããã ç¾å¨ã®ãã¼ã¸ãå·¦æã«éãã¤ã¤ãæ°ãããã¼ã¸ãå³ããéãªã£ã¦ãã¾ãã Actions.replace ã¢ãã¡ã¼ã·ã§ã³ãªãã§ãããªããã¼ã¸ãåãæ¿ããã¾ãã Actions.reset Actions.replaceã¨ã¢ãã¡ã¼ã·ã§ã³ã¯å¤ããã¾ãããéãã¯ã«ã¼ãã£ã³ã°ã¹ã¿ãã¯ã«å¯¾ããå¦çã ããªã®ã§ãç»é¢ãè¦ã¦ãã人ããããã¨å¤ãããªãã§ãã 以ä¸ããå½¹ã«ç«ã¦ã°å¹¸ãã§ãã
import React from 'react'; import { Text, View, Button } from 'react-native'; import { createBottomTabNavigator, createStackNavigator } from 'react-navigation'; import { Entypo, Ionicons, Feather, FontAwesome } from '@expo/vector-icons'; //Home class HomeScreen extends React.Component{ render(){ return ( <View style={{flex:1, alignItems: 'center', justifyContent: 'center'}}> <Text>Home</Text> <But
import React from 'react'; import { StyleSheet, Text, View, Button, Alert } from 'react-native'; import QRCode from 'react-native-qrcode'; import Barcode from 'react-native-barcode-builder'; export default class App extends React.Component { state = { text: 'hoge' } render() { return ( <View style={styles.container}> <Text>Generate QR and barcode.</Text> <QRCode value={this.state.text} size={200}
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