How to Pass Props and Navigation in below react native code
I am working on react native using typescript.How to pass Navigation in interface, and below code snippet is Functional component or class component. What Reach.FC indicates ?interface HomeScreenProps...
View ArticleComponentWillReceiveProps calling multiple time using react native
In my scenario, I am trying to change the switch value on real time. Here, whenever the switch index value on/off changing componentWillReceiveProps calling twice at a time. How to solve this issue?My...
View ArticleReact Native: Show runtime errors while compiling (Typescript)
I am using TypeScript in my react-native project and it works fine. The only problem I am having is that, the IDE shows me the errors and everything. But I am still able to run my project even if there...
View ArticleUsing Moment.js with React Native Typescript
I'm using Moment.js and React Native to display/manipulate date and time in the following fashion but can't quite seem to use it correctly. The code below demonstrates my usage of the library.import *...
View ArticleReact Native 's children type (TypeScript)
What is the type of <Text>'s children property in React Native?Let's say, I'm creating component that is HOC over the <Text>, and I want to support all the same children types as a normal...
View Articlehow to loop through the union of two interface Props in React with Typescript
From the structure below working with React 16.9.0 and Typescript ^16.9.20":file A.ts:export interface person{ id: number || null, first_name: string, date_of_birth: string, some_unique_number:...
View Articleternary operator inside a component tag
Is it possible to use ternary operator within a built-in component tag? For instance, I am using Touchable Opacity from React Native (Native Base): type ItemProps = { title: string; face:...
View ArticleMake MaterialTopTabNavigator not visible
Does anyone know a way to make the react native MaterialTopTabNavigator not visible on the screen? I want the swiping functionality to go between screens, but I do not want to be able to see the actual...
View Articlereact native canvas simple example not working
I tried running the example from react-native-canvas but cannot get the purple rectangle to show. What am I doing wrong?DrawCanvas.tsx:import React, { Component } from "react";import Canvas from...
View ArticleAdd strong typing for react navigation props
I'm using typescript in my react-native project(expo).The project uses react-navigation, so on my screens I can set navigationOptions and I have access to the prop navigation.Now I'm trying to strongly...
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Trying to wrap dispatch function in react redux
Hi recently I encountered the useDispatch hook that supposed to give me an alternative to mapDispatchToProps, and I found very repetitive to do () => dispatch(action(args)) in each onPress so I...
View Articleconsole.log inside component
Generally, this is how Formik's tag is used:<ErrorMessage name="email" render={(msg) => (<Text style={styles.errorText}> {msg}</Text> )} />Is there any way to console.log and see...
View ArticleCannot find module 'graphql-hooks' or its corresponding type declarations
What can I do to install graphql-hooks in react-native TypeScript? How can I define the types? I have already installed using npm but that doesn't work.
View ArticleOverwriting ScaledSheet styles
I'm using a custom input field which already has its styles. When using it in one particular screen, I want to change the width and height. Is it possible to overwrite the styles? To overwrite the...
View ArticleHow to convert timestamp value to specific time format using react native?
In my scenario, I need to convert timestamp value to specific time format in react native. I tired below code but can't able to achieve exact formate output. How to achieve it? var dateTime = new...
View ArticleRender from a callback function - typescript
While using a graphql query, I am calling a showUsers function which is supposed to show all the users (the stying is done so that they can appear as boxes). However, currently nothing shows up. I am...
View ArticleFor Loop Running Multiple Times
After running a Graphql query, I am calling a showUsers function from getUserIdwhich is supposed to display all the users in a styled box. Currently in my showUsersfunction, even when the 'Number of...
View ArticleForm Submission Works Only Once
In my code, I run a graph query and then call the showUsers function inside getUserId. This function displays all the users in a styled box. Once I enter an email and submit the form by hitting the...
View ArticleReact Navigation: Why doesn't minified file in `lib` directory update when I...
I'm using Material Top Tab navigator in my React Native app. Specifically, I use the function createMaterialTopTabNavigator() which is found in react-navigation-tabs. react-navigation-tabs contains the...
View ArticleButton Overloading Issue
Earlier on, I was calling my addFriendfunction (which runs a graphql mutation) from within another function getFriendId. It worked perfectly. const getFriendId = React.useCallback( (data:...
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