react-native-ios

问题 I want to convert the message of an exception into an NSError object so that I can use it within a try-catch block (I'm actually working on a native iOS module for React Native). RCT_EXPORT_METHOD(myMethod:(NSDictionary *)dict resolver:(RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject) { @try { // Do something which could throw something (NS Error or NS Exception) resolve(nil); } @catch (NSException *exception) { // HERE I WANT TO TRANSFORM THE EXCEPTION exception INTO AN

问题 I wanna make an app that its main functionality depends on sending SMS. before i was developing android(native) but now im using React-Native to make it for both IOS and Android. in android it's possible to send sms in background if you get user permission. but after searching through net i couldn't find a way to do it in react-native. i read that Apple doesn't let apps to do so. i'm wondering if there is anyway to send SMS in background for both Android and IOS. the libraries i've already

问题 I wanna make an app that its main functionality depends on sending SMS. before i was developing android(native) but now im using React-Native to make it for both IOS and Android. in android it's possible to send sms in background if you get user permission. but after searching through net i couldn't find a way to do it in react-native. i read that Apple doesn't let apps to do so. i'm wondering if there is anyway to send SMS in background for both Android and IOS. the libraries i've already

问题 Performed RN upgrade from RN0.60 to RN0.61. Build failed with iOS, due to the following issue: /react-native/React/Base/RCTBridgeModule.h:10:9: 'React/RCTDefines.h' file not found I am aware of this breaking changes. (React.xcodeproj is deprecated) Try a few things npx react-native-clean-project & re-setup project remove Pods/ & pod install ...running out of idea... Here's how my podfile looks like. pod 'FBLazyVector', :path => "../node_modules/react-native/Libraries/FBLazyVector" pod

问题 I would try "How to generate .ipa file for react-native?" But I'cant get .ipa file. Any one cloud you explain how to get .ipa file . 回答1: How to build .ipa application for react-native-ios : Get ".app" file : Command : react-native run-ios --configuration=release ".app" file path : Build/Products/Release/"<Your_Filename>.app" Convert .app to .ipa : a. Create folder Payload. b. paste .app file into Payload folder. c. compress the Payload folder. d. change the name you want and put extension as

问题 my skills in react native is basic, so i want to render items in two columns, i'm using this library https://github.com/GeekyAnts/react-native-easy-grid. componentDidMount() { return fetch(ConfigApp.URL+'json/data_posts.php') .then((response) => response.json()) .then((responseJson) => { this.setState({ isLoading: false, dataSource: responseJson }, function() { }); }) .catch((error) => { console.error(error); }); } Return return ( <Grid> <Col><FlatList data={ this.state.dataSource }

问题 my skills in react native is basic, so i want to render items in two columns, i'm using this library https://github.com/GeekyAnts/react-native-easy-grid. componentDidMount() { return fetch(ConfigApp.URL+'json/data_posts.php') .then((response) => response.json()) .then((responseJson) => { this.setState({ isLoading: false, dataSource: responseJson }, function() { }); }) .catch((error) => { console.error(error); }); } Return return ( <Grid> <Col><FlatList data={ this.state.dataSource }

问题 Let's say there is a tab view which has tabs with names Breads, Pizzas, Beverages, Desserts, Shakes. And the name of these tabs are fetched from API. Also, the information for each tab to show on their respective screens is fetched from the API too. Now, when one of the Tab's data gets deleted from the API. I want it to be removed from the Tab View too. How can I achieve this in React Navigation? 回答1: In react navigation we cannot have dynamic tab, as we have to define all the routes

问题 Hey guys Im making an app of react native after installing react native payola wrapper im facing this issues Module RNPaypalWrapper requires main queue setup since it overrides constantsToExport but doesn't implement requiresMainQueueSetup . In a future release React Native will default to initializing all native modules on a background thread unless explicitly opted-out of. Apple-Mach-O linker Error Ld /Users/mac/Library/Developer/Xcode/DerivedData/Shopping-bffzrhylanxuelcazupfwylbgyoq/Build

问题 Actually I am a Android Native Developer. I am new to React-Native. In Java i keep the users data and others data in Singleton Class and access from other activities. Then how i achieve this process in React native for access data's from other components or any alternative of singleton in React native. I just try this but i received the error like getInstance() not defined. class AppDelegate { log = "This is AppDelegate"; static myInstance = null; static getInstance() { if (AppDelegate