React native not recognizing finally
Finally keyword is undefined on a classic es6 helloworld fetch example.let isLoading = true; fetch("https://jsfiddle.net").then(function(response) { var contentType =...
View ArticleArrow function logic in React Native CLI project
I created a new React Native CLI project and was thinking to convert the App component to a class based component to fix a hot reload issue when using react-navigation.But I don't understand the logic...
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Converting StackNavigator from v4 to v5 React Native error for auth
ERROR: "The action 'NAVIGATE' with payload {"name":"Auth"} was not handled by any navigator. Do you have a screen named 'Auth'? If you're trying to navigate to a screen in a nested navigator, see...
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react native filereader.ReadAsDataUrl results in error
this is function call im using and i am just passing in a normal blob that holds a size and type variable.private _toBase64 = (file: Blob) => new Promise<string | ArrayBuffer | null>((resolve,...
View ArticleHow to use react-native-permissions
What i want to do I want to issue an alert with react native and instruct the other party to allow location information Bluetooth,Probleｍ I decided to use the article below. However, looking at the...
View ArticleUnable to resolve module @env [closed]
I have created custom ts module but react ts can't find this. Project structure is like:@types/@env src node_moudlestryin to use this https://github.com/tusbar/babel-plugin-dotenv-import
View ArticleHow To trigger custom topBar BackButton in React-Native-Navigation
first of all, there are plenty of this question in github but none of them have answered at all. that is why i am asking this here. I have an app where i have multiple pages and components. at some...
View ArticlePlatform specific import component in react native with typescript
I am using react native with typescript. I have a component with the following structurecomponent - component.ios.tsx - component.android.tsx Now I want to import the component. So, I am doing...
View ArticleTypeScript React accessing array in handlesubmit()
I'm building an app that has 3 select fields. When the user hits submit on the form it will return a list of teachers that meet the value requirements. For example in the form you can select (3rd grade...
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file reader return blobId [closed]
here is my code i am passing in an interface that hold a blob under a data:Bl private _toBase64 = (file: any) => new Promise<string | ArrayBuffer | null>((resolve, reject) => { const reader...
View ArticleMaterial UI Select in Typescript
I have created a dropdown menu using Material UI select. It says "Search By". When we click it, it gives us a list. When I select one of the options, I want to store the option and change the "Search...
View ArticleReact native can't toggle state
Whenever I call the toggle function the boolean it checks is the same which means it never truly toggles. Assuming its something to do with binding to the current value and never getting the updated...
View ArticleTypeScript types for TextInput's onChange event in React Native
I have a React Native Expo project using TypeScript. How can I add types for the onChange event for the TextInput? <TextInput keyboardType="numeric" value={`${value}`} onChange={(e:...
View ArticleTypeScript with React Native - why does useEffect require 'current' check?
I'm using React Native with TypeScript and I need to set the focus on an input if certain conditions are met: const inputEl = React.useRef<TextInput>(null); React.useEffect(() => { if (isLast...
View ArticleonCompleted() for GraphQL Mutation giving console error
If the mutation is not successful, I want to show the user a message. Code:function submitForm(RemoveUserMutation: any) { const { email} = state; if(email){ RemoveUserMutation({ variables: { email:...
View ArticleTranspiling ActiveRecord objects to TypeScript types for non-mono repository
I've recently started development on what will be come a rather large mobile application (React Native) that consumes a Ruby on Rails API (in API mode).On the frontend I've used TypeScript extensively...
View Articleunable to run react-native test with jest
jest keeps failing on react-native 0.61.5https://github.com/mindsgn/OrbytDapp/issues/8yarn run v1.21.1 $ jest FAIL tests/App-test.js ● Test suite failed to runReferenceError: __DEV__ is not defined 3 |...
View ArticleSnackbar not opening after GraphQL Mutation
I want my snackbar to open if the mutation is not successful. In this case, handleOpen() is called.When I hit the button, the mutation takes place and my page crashes. I get an error thatTypeError:...
View ArticleThe Keyboard cover TextInput form when I run the React Native Expo app
When I run the app with expo and use my DateFormInput component the Keyboard covers TextInput. I tried to use I , "@pietile-native-kit/keyboard-aware-scrollview", "@types/react-native-keyboard-spacer",...
View ArticleTapGestureHandler not triggering onGestureEvent but onHandlerStateChange...
I'm trying to use the react-native-gesture-handler library to add double click event when a picture is tapped.the issue I'm running into is the onGestureEvent is never being triggered and...
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