Adding type for useRef on ScrollView react-native
Looking to create a ref to a ScrollView component like so: const ref = useRef<ScrollView>(null); (or something to this effect) essentially I need access to the flashScrollIndicators method like...
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React Native - Typescript issue
After a transaction I did, I started getting an error like this. How can I solve the problem?I wrote the code in React Native as typescriptThe file supporting useScrollHandler.ts in the lib folder in...
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Jest: test fails with "SyntaxError: Cannot use import statement outside a...
I'm trying to run a test but it failes with this error:package.json..."jest": {"preset": "react-native" },...tsconfig.json{"compilerOptions": {"allowJs": true,"allowSyntheticDefaultImports":...
View ArticleFormik React-Native - How to Show Yup Validation Errors on Each Field in an...
So I'm trying to make a list of contacts, here's the code:Yup Schema:export const Schema = Yup.object().shape({/**other fields */contacts: Yup.array().required('Required field').of(...
View ArticleInvariant Violation: Could not find "client" in the context or passed in as...
I have a very simple react native setup which I am trying to connect to a Graphql server through Apollo.This is what the only file I modified (after CRNA), looks like:App.tsximport React from...
View ArticleHow to compose ParamList for nested navigators in v5?
Say I have two navigators like this:export type RootStackParamList = { Bootstrap: undefined; Login: undefined; MainApp: undefined;};export type MainTabsParamList = { Explore: undefined; Profile:...
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React Native ScrollView Wrapping for Complex Elements
I've got a ScrollView and I'm listing a few Components in it. So far, I'd been putting just one big Text component in the ScrollView and it was wrapping fine. But now that I've created a new Component...
View ArticleRealmJS TypeError: Cannot read property 'Realm' of undefined
This is an issue I had with RealmJS while working on my React Native app. I spent over four days trying to debug what was going wrong (I had already built a significant portion of the app, thinking it...
View ArticleWhy does this request only work if I have the react-native-debugger running?
I have a very strange problem: I am sending an axios request to my local computer in my React Native app.This is the code for the request:const client = axios.create({ baseURL:...
View ArticleReact Native how can I read QR code from gallery
I have the functionality to Scan QR to view the profile of a person. Everything is working fine but I also want a functionality to decode/to read QR from my gallery instead of scanning it.So it would...
View Articletype for material UI icons
I have a component that looks like this:type IconButtonProps = { text: string ; onClick: () => void, icon: any};export const IconButton: FunctionComponent<IconButtonProps> = ({ text, onClick,...
View ArticleSearching in header and updating component
In my React Native app I have an infinite scroll (FlatList) and need to be able to search for specific items. Now the problem I have is that I have an onEndReached event that loads in more data which...
View Articlemobx state not updating
When I click on the button titled increment,I want the count to get incremented and reflect the change. The state variable "count" is not getting incremented on click. What am I missing?The App file...
View ArticlegetTheme() native base Type
I'm using a custom Native Base style theme as described in this link.https://docs.nativebase.io/Customize.html#theaming-nb-headrefImports:import material from...
View Articlereact native metro server is exiting after installing application on linux...
I have a react native project and Iam trying to run on a android real device , but after installing application (loads old codes of application new changes not showing) metro server is exiting .I'am...
View ArticleHow to override typescript definition correctly
I created a definition file to override the one from the library but the one from the library seems to have a higher priority.├── android├── app.json├── babel.config.js├── index.ts├── ios├──...
View ArticleStyles not injected via props in material-ui typescript component in react...
import {createStyles, WithStyles} from "@material-ui/core";const styles = (theme: Theme) => createStyles({ root: {}});interface MyProps extends WithStyles<typeof styles> {}export class...
View ArticleReact Native | How access to endCoordinates of Keyboard using Typescript and...
So I use recompoose and typescript in my react native app, and I trying to access to endCoordinates for Keyboard the get the Keyboard height. I followed this article and this post but I am not able to...
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React-native version mismatch after upgrading my react-native app from 0.55.3...
I have a react-native app which was working perfectly in verson 0.55.3.Now I have upgraded it to 0.59.2. it builds fine and gets installed on android device. but when if opened it gives the error log...
View ArticleReact Navigation Error - TypeScript - This Expression Is Not Callable
I'm trying to find the best practice for this typescript issue I'm experiencing when I upgraded to React Navigation 5. The error I'm getting isThis expression is not callable. Each member of the union...
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