react-native-android

How to get values which are in TextInput when Button is click in ReactNative

末鹿安然 提交于 2020-05-10 07:13:07
问题 1. index.android.js import React, { Component } from 'react'; import { AppRegistry, StyleSheet, Text, ScrollView, TextInput, View , } from 'react-native'; var styles = require('./Style/customStyle'); import Button from 'react-native-button'; import RadioButton from 'react-native-radio-button' class AwesomeProject extends Component { constructor(props){ super(props) this.state = { username: '', password: '', } } render() { return ( <ScrollView style={styles.content}> <View style={styles

How to get values which are in TextInput when Button is click in ReactNative

一世执手 提交于 2020-05-10 07:12:54
问题 1. index.android.js import React, { Component } from 'react'; import { AppRegistry, StyleSheet, Text, ScrollView, TextInput, View , } from 'react-native'; var styles = require('./Style/customStyle'); import Button from 'react-native-button'; import RadioButton from 'react-native-radio-button' class AwesomeProject extends Component { constructor(props){ super(props) this.state = { username: '', password: '', } } render() { return ( <ScrollView style={styles.content}> <View style={styles

How do I detect if the app uses React Native, given APK file?

岁酱吖の 提交于 2020-05-10 04:24:34
问题 I downloaded APK file from Google Play, and want to know if the develop of the application have used React Native library. What's a quick and stable way to do that? (Would be even better if it's something I can potentially automate later - but such automation itself is out of scope of this question.) 回答1: I can offer you 2 solutions: Solution 1 You can use dex2jar. When you open the generated jar file, you can check if it uses React Native if there is a folder /com/facebook/react/ . Solution

How do I make text bold, italic, or underline in React Native?

末鹿安然 提交于 2020-05-09 20:15:34
问题 Surprisingly there isn't one question that groups these all together yet on Stack Overflow; there hasn't been an answer on SO for italics or underline, in fact, only this question for bold. I self-answered this quesiton below. 回答1: <Text style={styles.bold}>I'm bold!</Text> <Text style={styles.italic}>I'm italic!</Text> <Text style={styles.underline}>I'm underlined!</Text> const styles = StyleSheet.create({ bold: {fontWeight: 'bold'}, italic: {fontStyle: 'italic'}, underline:

How do I make text bold, italic, or underline in React Native?

£可爱£侵袭症+ 提交于 2020-05-09 20:15:07
问题 Surprisingly there isn't one question that groups these all together yet on Stack Overflow; there hasn't been an answer on SO for italics or underline, in fact, only this question for bold. I self-answered this quesiton below. 回答1: <Text style={styles.bold}>I'm bold!</Text> <Text style={styles.italic}>I'm italic!</Text> <Text style={styles.underline}>I'm underlined!</Text> const styles = StyleSheet.create({ bold: {fontWeight: 'bold'}, italic: {fontStyle: 'italic'}, underline:

How do I prevent Android device Display size scaling in my app?

北慕城南 提交于 2020-05-09 05:18:47
问题 I'm developing an app with React Native for both iOS and Android, and I am trying to prevent device-specific scaling of the display in the app. For text/font size scaling, putting the following code in the root-level App.js file solves the issue for both iOS and Android: if (Text.defaultProps == null) { Text.defaultProps = {}; } Text.defaultProps.allowFontScaling = false; However, Android devices have the following Display size setting that is still being applied: I've tried (unsuccessfully)

Socket IO with ReactNative

二次信任 提交于 2020-05-02 04:12:46
问题 I try to use SocketIO in ReactNative by follow this link https://github.com/facebook/react-native/issues/4393, On IOS it work very well but Android it could not work Result Of Socket Object connected:false index.android.js window.navigator.userAgent = 'react-native';//'react-native'; const io = require('socket.io-client/socket.io'); export default class testApp extends Component { componentWillMount(){ this.socket = io.connect('http://localhost:3000', { jsonp: false, transports: ['websocket']

Socket IO with ReactNative

╄→гoц情女王★ 提交于 2020-05-02 04:12:12
问题 I try to use SocketIO in ReactNative by follow this link https://github.com/facebook/react-native/issues/4393, On IOS it work very well but Android it could not work Result Of Socket Object connected:false index.android.js window.navigator.userAgent = 'react-native';//'react-native'; const io = require('socket.io-client/socket.io'); export default class testApp extends Component { componentWillMount(){ this.socket = io.connect('http://localhost:3000', { jsonp: false, transports: ['websocket']

How to set 'hardwareBackPress' to another Stack

浪尽此生 提交于 2020-04-30 11:47:24
问题 //TermsPage.tsx const resetAction = StackActions.reset({ index: 0, actions: [NavigationActions.navigate({ routeName: 'BottomTabNav', params:{showTerms:false} }), ], }); componentWillUnmount() { BackHandler.addEventListener('hardwareBackPress',()=>{ this.props.navigation.dispatch(resetAction) return true }) } How to set 'hardwareBackPress' eventListenner to navigate to another StackNavigator. If I set like above. This backpress work in all Pages. I want to set this listener only for TermsPage.

How to set 'hardwareBackPress' to another Stack

半世苍凉 提交于 2020-04-30 11:47:18
问题 //TermsPage.tsx const resetAction = StackActions.reset({ index: 0, actions: [NavigationActions.navigate({ routeName: 'BottomTabNav', params:{showTerms:false} }), ], }); componentWillUnmount() { BackHandler.addEventListener('hardwareBackPress',()=>{ this.props.navigation.dispatch(resetAction) return true }) } How to set 'hardwareBackPress' eventListenner to navigate to another StackNavigator. If I set like above. This backpress work in all Pages. I want to set this listener only for TermsPage.