react-native

Export namespace should be first transformed by `@babel/plugin-proposal-export-namespace-from`

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You have to add the ‘react-native-reanimated/plugin’ to the plugins array. make sure this Plugin should be the last. open the babel.config.js in the root of your project and modify it as follow: module.exports = { presets: [‘module:metro-react-native-babel-preset’], plugins: [ … ‘react-native-reanimated/plugin’, // This line. ], }; NOTE: After adding the react-native-reanimated/plugin to your project you … Read more

React-Native Horizontal Scroll View Pagination: Preview Next Page/Card

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I spend a lot of time fighting with this until I figured it out so here is my solution if it helps someone. https://snack.expo.io/H1CnjIeDb Problem was all these were required and pagination should be turned off horizontal={true} decelerationRate={0} snapToInterval={width – 60} snapToAlignment={“center”}

TouchableOpacity unclickable while TextInput has focus

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There is a property called keyboardShouldPersistTaps on Scrollviews (and also ListViews). For React-Native version >= 0.41 The documentation says: Determines when the keyboard should stay visible after a tap. ‘never‘ (the default), tapping outside of the focused text input when the keyboard is up dismisses the keyboard. When this happens, children won’t receive the tap. … Read more

How to refresh JWT token using Apollo and GraphQL

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The example given in the the Apollo Error Link documentation is a good starting point but assumes that the getNewToken() operation is synchronous. In your case, you have to hit your GraphQL endpoint to retrieve a new access token. This is an asynchronous operation and you have to use the fromPromise utility function from the … Read more

How can I access local database on react native?

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Updated answer: there’s now a fledgling SQLite wrapper available: https://github.com/andpor/react-native-sqlite-storage Previously: This comment on Hacker News indicates that there’s nothing available right now: There is currently no native module for SQLite, but you can build one if you want. 😀 http://facebook.github.io/react-native/docs/nativemodulesios.html We use a key-value store for most of our client-side persistence: http://facebook.github.io/react-native/docs/asyncstorage.html It’s by … Read more

how to catch uncaught exception (globally) in react native

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You could possibly override the exception logging that React Native uses for development: ErrorUtils.setGlobalHandler(function() { // your handler here }); https://github.com/facebook/react-native/blob/522fd33d6f3c8fb339b0dde35b05df34c1233306/Libraries/JavaScriptAppEngine/Initialization/InitializeJavaScriptAppEngine.js#L46 You may then need to write some Obj-C which you expose to JS, depending on your exact requirements.

How to use Platform.OS to elements in react native?

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You can also check via node but react-native provides some ways to check platform. This one is recommended import {Platform} from ‘react-native’; st styles = StyleSheet.create({ container: { flex: 1, …Platform.select({ ios: { backgroundColor: ‘red’, }, android: { backgroundColor: ‘blue’, }, }), }, }); You can also use ternary expressions import {Platform, StyleSheet} from ‘react-native’; … Read more

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