react-native-android

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.

问题 I have added many font-family and style into my asset folder in React-Native project. It's working fine in simulator, emulator, and iOS device. But some font won't work and not display in Android device. I have try with react-native link and check the asset folder in Android app directory, nothing missing. Anyone help please. 回答1: I might have a solution for this. I had the same problem, the fonts were visible in my emulator, the font files are located under 'android/src/main/assets/fonts'

问题 I have added many font-family and style into my asset folder in React-Native project. It's working fine in simulator, emulator, and iOS device. But some font won't work and not display in Android device. I have try with react-native link and check the asset folder in Android app directory, nothing missing. Anyone help please. 回答1: I might have a solution for this. I had the same problem, the fonts were visible in my emulator, the font files are located under 'android/src/main/assets/fonts'

问题 onViewableItemsChanged does not seem to work when there is a state change in the app. Is this correct? Seems like it wouldn't be very useful if this were the case.... Otherwise, users will be forced to us onScroll in order to determine position or something similar... Steps to Reproduce Please refer to snack Repo has also been uploaded at github Any state change produces an error when using onViewableItemsChanged What does this error even mean? Note: Placing the onViewableItemsChanged

问题 I want to hide one of my tabs conditionally if user login, So I have 5 Tabs If user login\register I get a boolean from a redux store, if this user login i want to how a "Library tab" if not login, i don't want to show this tab "Library" with others and just keep 4 tabs in the App Code import {createAppContainer} from 'react-navigation'; import {createBottomTabNavigator} from 'react-navigation-tabs'; let {isLogin} = store.getState().user; const TabHome = createBottomTabNavigator( { Home: {

问题 Failed to connect to development server using "adb reverse": spawnSync /home/sumit/Android/platform-tools/adb ENOENT I also Tried using $ adb reverse tcp:8081 tcp:8081 but no Luck. 回答1: Now I am updating my app from RN 0.58 to 0.61 and I was facing the same issue. I use to upgrade RN projects by copy-paste my src to a fresh bare RN project. According to new guidelines for MacOS users I had to remove CLI, upgrade node and switch to use npx react-native instead of previous RN CLI. I figured out

问题 Failed to connect to development server using "adb reverse": spawnSync /home/sumit/Android/platform-tools/adb ENOENT I also Tried using $ adb reverse tcp:8081 tcp:8081 but no Luck. 回答1: Now I am updating my app from RN 0.58 to 0.61 and I was facing the same issue. I use to upgrade RN projects by copy-paste my src to a fresh bare RN project. According to new guidelines for MacOS users I had to remove CLI, upgrade node and switch to use npx react-native instead of previous RN CLI. I figured out

问题 import React, { Component } from "react"; import { Text, Button, View, ScrollView } from "react-native"; import Chart from "react-native-f2chart"; import { WebView } from "react-native"; import { Container, Title } from "../components"; import { basePie, labelPie } from "./scripts"; type Props = {}; class PieChartScreen extends PureComponent { render() { return ( <ScrollView> <Container> <View> <Title title="基础饼图" /> <View style={{ height: 250 }}> <Chart initScript={basePie} webView={WebView}

问题 React native documentation provides a Toast Module example written in java. What does the same example look like in Kotin? Is there any special steps to configure the android project? 回答1: Writing plugin in java or kotlin doesn't have a big difference as both compile to bytecode. Mentioning the Github Sample that has created the same sample Taost moduel in kotlin . https://github.com/ios122/kotlin-module-sample-for-reactnative 回答2: Here is a sample with instructions of a react-native

问题 I'm getting this error on Android: I have found that line of code 'Sn[e]' in 'index.android.bundle' which I have pasted below (ctrl/command + F): for (var An in Sn) xn[An] = Sn[An]; for (var Dn in wn) Pt(!Sn[Dn], "Event cannot be both direct and bubbling: %s", Dn), xn[Dn] = wn[Dn]; var kn = { eventTypes: En({}, Sn, wn), extractEvents: function(e, t, n, o) { var r = Sn[e], i = wn[e], a = Pn.getPooled(r || i, t, n, o); if (r) fn.accumulateTwoPhaseDispatches(a); else { if (!i) return null; fn