Issue I am trying to add onLongPress functionality on a custom header back button, but this doesn’t seem like an existing prop. Is there a way around it? I want this functionality as my app is for people with Parkinson’s
Continue readingTag: react-native
Longpress multipress not rerendering outer counter correctly
Issue I want the button to increment the number by one on every normal press and keep incrementing when longpressing the button, until it is released. I am using the TouchableOpacity longpress property to start a setInterval, and it looks
Continue readingReact Native – Continuous textinput delete on Pressable longpress
Issue I have this little concern wherein when I tried to do a onLongPress with Pressable. the function associated to that are only called once. How can I have it continuously delete the value on textInput when I hold the
Continue readingReact-Native: save user preferences
Issue Native developers, I really searched a lot but couldn’t find anything that fits my needs. I am new to react native and have a question. I wonder how I can save user preferences of my app. For example, I
Continue readingWhat are React Native's caching behaviors for fetch
Issue What currently are React Native’s default behaviors for caching in fetch calls? The official FB guides simply say “look at Mozilla!” but we’re not on a web browser. I would assume cache behavior is custom here as result of
Continue readingNativescript angular local file system images not showing
Issue i have created nativescript angular app with nativescript side kick software with navigation drawer template, i want to display image in home page from local file system. i am using latest angular and nativescript APP –> images –> Home
Continue readingCross Platform React Native vs NativeScript
Issue it’s just a simple question it has been more than 2h searching what to learn next ! i want something that will make me able to create a cross-platform app: web – android – ios . I’ve been teared
Continue readingReact Native syntax highlighting
Issue I want to use syntax highlighting of code for my React Native app, but i can not find it. I have found syntax highlighting of code only for react, but not for React Native. I want to find smt
Continue readingReact Native MSAL – SSO does not work from Native to Web – iOS
Issue We are developing two new react native apps, and need to integrate Azure AD authentication at both the places. We also have existing web apps that are Azure AD enabled and the user can open the web links from
Continue readingMulti steps Dropbox logic in React JS
Issue I hope you and your families are well. I need your guidance on a small issue which I am facing, I have been trying to find/do the solution for the past 3 days and couldn’t find it. I am
Continue readingMy website is not loading the same page when i refresh the page
Issue I have deployed multiple reactapps using docker and nginx as reverse proxy. My Docker file is same for seperate 3 react apps!! FROM node:16-alpine WORKDIR /app COPY package.json ./ COPY package-lock.json ./ COPY ./ ./ RUN npm i CMD
Continue readinghow to make the blur effect with react-native?
Issue how to make the blur effect with react-native ? like ‘background-image’ and i want to switch the effect ‘blur’ and ‘none’，’none’ means no blur effect Solution Now you can do this without any library using the prop: blurRadius. E.g
Continue readingNative Script : DatePicker not working on iOS
Issue I have used NativeScript datepicker and it is working fine with the Android application but I run the same application in iOS then it will occur crash the app. code is given below which I used private openDropDownSelectionModal<T>(dropDownType: string,
Continue readingAndroid and IOS application cross-platform development
Issue I have to develop a simple application for Android and IOS (Gui with use standard android/ ios components – both have equivalent components for what I want use). So I’m looking for a cross-platform solution that can make it
Continue readingMake a cross platform application starting from a website
Issue I made a website (not yet online), it uses HTML, CSS, Javascript, only. No React or Angular, and I have the following problem : I’d like to make a cross-platform application based on it (for iOS, Android, Windows, Linux
Continue readingHow to dynamically add items to select tag option (dropdown) in React
Issue I am making a dynamic form component which takes input from the user and stores it in JSON format and then creates a form for the end-user. I have to dynamically add values to select tag options but one
Continue readingHow to define then consume types for a web-based API using Typescript
Issue I am writing a web service and I want to build out types that can be used by the client which is another repository. So, if I have something like: export interface Device { name: string, address: number }
Continue readingReact Native blob/file is not getting to the server
Issue I am extremely stuck here. I don’t know what I’m doing wrong. I’m trying to send a file from the an expo-image-picker component to the server. The form is sent, but the image is not. The fetch command immediately
Continue readingHow can I have an equal margin around two objects in a horizontal scroll view?
Issue I’m trying to style cards in React Native. I have them in a horizontal scroll view and I’m trying to make them have an even margin on both sides without it looking wonky. Here’s what I’m trying to achieve.
Continue readingHow to scroll down a specific value in react native?
Issue I would like to scroll to an element that is y unit under my touchableopacity(when I press on it). I tried using ref and useref but it was not what I wanted. Is it possible to scroll down a
Continue readingHow can I have the equivalent of an onClick in an onPress in React/ React Native?
Issue I want to use ScrollTo ( https://reactjsexample.com/scroll-to-a-position-in-react/ )but I need an onClick in order to do so. Howether I want to place it inside a Text , so I can only use onPress. While I could create a View,
Continue readingHow to scroll to an element of a list in react native?
Issue I was wondering if it was possible to scroll to an element of a list depending on another element of the list (ex : you avec a list [a,b,c,d], you put a touchableopacity with a b c d as
Continue readingHow to scroll to a specific element that can be modified? (React Native)
Issue I created a glossary and want to have access to the content of a specific letter if I click on the letter (I have a list of letter at the top of my page). But here is the issue:
Continue readingHow to Reset react-native-picker-select on form submit using formik inReact Native?
Issue I am using Formik and react-native-picker-select, I can reset text and number fields after submission but can not able to reset picker-select. How can I achieve it? Solution The reseted value for react-native-picker-select is null. So you need to
Continue readingReact native , incrementation
Issue I have a variable pass and I did a {pass++} inside of one of my return. Howether , while it increment the pass, it also show the pass on my page. How to make it so that it is
Continue readingHow to use useEffect inside a View in React Native
Issue I want to use an useEffect inside a return (inside a Text that is inside multiple View to be exact) and from what I know, I must use {…} in order to say that what I write is some
Continue readingReact Native, issue with setting the state (setState)
Issue I have an issue with my code : when I try to convert a variable to a state, my variable state pass2 that was incremented became a number 3 for all my implementations while my former variable was incremented
Continue readingProblem in React typing text in a field text
Issue This is how I have the code to save the changes const handleChange = (e) => { let { Nombre, value } = e.target; setState({ …state, [Nombre]: value }); }; And in the text field I have this: The
Continue readingIs it possible to use SignalR on a Node.js backend?
Issue I’m aware that the library @microsoft/signalr can be used on the client-side to connect with a SignalR hub, but is it possible to integrate SignalR in a node server? We’re trying to implement a chat system using SignalR with
Continue readingConnecting to localhost with React Native
Issue I’m trying to fetch an json from a locally hosted express API using a react native fetch get request. Our react native code is : useEffect(() => { fetch("http://localhost:5000/api/listings") .then((response) => response.json()) .then((responseJSON) => { console.log(responseJSON); setIsLoading(false); setListings(responseJSON); })
Continue readingJest test assertion, expect a nested object
Issue When I do the below expect in jest with native test expect(mockOnChange).toHaveBeenCalledWith({ order_type: expect.arrayContaining([‘1’]), number: ”, ouser_ids: expect.arrayContaining([‘user_id1’]), payment_type: expect.arrayContaining([‘2’]), start_date: old_Date, end_date: current_date, state: ‘all’, }); I’m getting the following error Object { "end_date": "2022/06/07", "number": "", –
Continue readingReact Native – How to make the others childview not enter a newline?
Issue This is my Demo How can the right view not enter a newline when left view’s length stretched to 100%? My solution is set width with a const. But I want it more optimal by automatic setting, do not
Continue readingReact & Axios: Unable to render array values in UI but I can console.log them
Issue I am trying to render an array of data on the UI. So far, I have been able to console.log the array but have not been able to display it on a table. I am currently using Axios to
Continue readingReact Native FlatList with position absolute behind Components
Issue I have multiple SearchBar component, and when I search something it displays a FlatList, I want the Flatlist to be over the rest of the SearchBars components that are below, so I added position: absolute, but it only works
Continue readingHow to open device's calendar app to add an event from React Native application?
Issue I make fetching data from API, whose results look like this Object { "name": "HackForGood: Grab Hackathon 2022", "site": "HackerEarth", "start_time": "2022-05-29T18:30:00.000Z", "url": "https://grabhackforgood.hackerearth.com/", } Object { "name": "Microsoft Virtual Hackathon 2022", "site": "HackerEarth", "start_time": "2022-05-31T16:00:00.000Z", "url": "https://www.hackerearth.com/challenges/hackathon/microsoft-virtual-hackathon-2022/", }
Continue readingPush parent arrays element and chidren array into new array in javascript
Issue "items": { "hotdrinks": [ { "id": "9aa113b4-1e4e-4cde-bf9d-8358fc78ea4f", "price": 20, "name": "Tea", "img": "../assets/img/HotDrinks/1_udupibhavan.jpg" }, { "id": "9aa113b4-1e4e-4cde-bf9d-8358fc78ea4f", "price": 25, "name": "Coffee", "img": "../assets/img/Hot Drinks/2_udupibhavan.jpg" }, { "id": "9aa113b4-1e4e-4cde-bf9d-8358fc78ea4f", "price": 50, "name": "Hot Milk", "img": "../assets/img/Hot Drinks/3_udupibhavan.jpg" }, { "id":
Continue readingwhy outline css property not working in react-native?
Issue I can not see outline border and colour in native version of the application , meanwhile it works okay with web application, backgroundColor: ‘#065B61’, marginRight: -20, shadowColor: "black", shadowOffset: { width: 0, height: 2 }, shadowOpacity: 1, shadowRadius: 4.00,
Continue readingHow to cleanly create duplicate components with different parameters in react native/typescript?
Issue I have a bunch of components that looks like this: <View> <Component containerStyle={{ color: ‘blue’ }} id={"test1"} onPress={onPress1}/> <Component containerStyle={{ color: ‘blue’ }} id={"test2"} onPress={onPress2}/> <Component containerStyle={{ color: ‘blue’ }} id={"test3"} onPress={onPress3}/> … </View> How can I create this
Continue readingIONIC / REACT Line 9:5: Expected an assignment or function call and instead saw an expression @typescript-eslint/no-unused-expressions
Issue When i try to make hook to get userdata from firebase. Like this import { useEffect, useState } from ‘react’; import { firestore } from ‘../../’ import { getAuth } from ‘firebase/auth’; export function useUserDetails() { const db =
Continue readingFlatList not scrolling
Issue i have created a screen where I display a component that contains a FlatList. For some reason I can’t scroll through the list. Someone who can spot my mistake and point me in the right direction? render-function and style
Continue readinghow can I handle this type with only one parameter?
Issue I have a model of these: image: string; redirect_option: ‘PROFILE’ | ‘PRODUCT’; redirect: Product | User; Now I render the list and want add a function: const handleNavigateToRedirectedOption = ({ redirected_option, params }: { redirected_option: ‘PROFILE’ | ‘PRODUCT’; redirect:
Continue readingReact Native: Counter not showing correct updated state
Issue Im trying to put together a simple counter which changes the quantity of an item. Using Hooks to manage its state, i update the value on screen correctly. However, the value the state holds when i console log is
Continue readingHow make my page wait till the hook got all data?
Issue I’m building a react app based on TypeScript template and one of my pages is loading before the hook completes the load. I tried makings async await but it is a hook, didn’t work well. How can I build
Continue readinghow to make generic component in react native?
Issue I want to make a generic component but how can I make it ? Model: export interface ISelectOptionsRLV<T, C> { data: T[]; onPress: (option: C[]) => void; } GenericComponentList: import { StyleSheet, Text, View, FlatList } from ‘react-native’ import
Continue readingexpo app with testing react-native-testing-library and jest-native "has no exported member 'toHaveProp"
Issue I’m trying to use jest-native as extra matchers and i’m having an installation problem i think … I am on a react-native ts app with expo and here are my versions: expo:"~39.0.0" @testing-library/react-native version:"^7.1.0" jest-preset: ‘jest-expo’, react-native version:" 63.4
Continue readingOpen email application using expo-intent-launcher
Issue I am using expo intent launcher to open email application in android devices (open mail only/not compose email) https://docs.expo.dev/versions/v43.0.0/sdk/intent-launcher/ and it is working fine using expo-intent-launcher version ~9.1.0, but after upgrading the expo-intent-launcher to version ~10.0.3 it does not
Continue readingreact-native/Typescript: how to pass autoComplete value to TextInput as the parent component prop? What's the correct type?
Issue Consider I have a custom component like this with a TextInput inside (for example a modal input dialog): interface Props { … autoComplete: string; } const ModalInputDialog = (props: Props) => { … return (<TextInput autoComplete={props.autoComplete} … />); };
Continue readingReact Native TextInput onFocus does not allow onPress of other child components
Issue Nested TextInput component does not allow other components’ onPress function to be called. Only when the TextInput is not focused, the onPress works fine. React Native Version : 0.66.3 Here is my code export const Component = (props): JSX.Element
Continue readingReact Native : elements of the list stuck together?
Issue I have an issue: the elements of my list are not spread appart and I don’t understand why. I have 3 elements for each letter and they should be separated. I think it may have something to do with
Continue readingReact Native : Conditional Views
Issue I want to make it so that depending on my result(the number of elements of my data), I could add a certain number of row to my code. For exemple if this number is 0=>1row, 1=>1row, 2=>2row,3=>2row, 4=>3row, …
Continue readingAdding text above an image with onMouseEnter in React Native
Issue I want to have text apear above my image when my mouse hover over it. I tryed some things, but the onMouseEnter/onMouseLeave seems the most promising. Howether I encountered an error: When I hover over my image, my text
Continue readingCreating a half-white background for an image in React native ( style question)
Issue The text in my image is displayed but difficult to read because of the dark color of the said image. In order to solve the issue of the color of the text (it must be black), I was thinking
Continue readingReact Native: Typescript – data possibly undefined
Issue I’ve got a some data being fetched using RTK Query. I load this data (array of objects) in a screen and then slice some portion of it. It’s more of a typescript question but I’ll post the apiSlice: interface
Continue readingTypescript: get `replace` from useNavigation() in react-navigation with react-native v6
Issue This question resembles this how to use navigation.replace in TypeScript? which is for react-navigation 5. I also read the docs https://reactnavigation.org/docs/typescript/#annotating-usenavigation Tried a couple of different ways, but got more confused 🙃. import { BottomTabScreenProps } from ‘@react-navigation/bottom-tabs’ import
Continue readingReact Native : Error in the data part of Flatlist
Issue I tried using Flatlist in order to respond to one of my issue but I got an error on the data= of my Flatlist . I don’t rreally undersstand the issue and the error message is not helping (
Continue readingReact Native, creating a if loop inside a return
Issue I want to create an if loop inside my Flatlist return so that each time a new Flatlist is called, my ‘pass’ will go back to 0 Here is my code: <FlatList data={letter.description} numColumns={2} keyExtractor={(_, index) => index.toString()} renderItem={({
Continue readingHow to send formdata and image file in react native expo?
Issue Hi Everyone I want to send Formdata which includes some strings and an image file using react native expo to node server and mongo db can someone explain how can I do this using react native expo I have
Continue readingHow can I resolve 'npm ERR! code ELIFECYCLE' in Project.js during npm start
Issue I was following the getting started with create react native app to create my first react native application. But I am getting the following error – npm start 2:11:42 PM: Starting packager… 2:11:46 PM: Error starting packager: Error: Couldn’t
Continue readingReact Native – __DEV__ is not defined
Issue I have a react-native@0.26.2 project. I have deleted the node_modules folder and after i have given the following commands: npm i react-native upgrade but I get this error: react-native.js:15 ReferenceError: __DEV__ is not defined How do I fix? Solution
Continue readingEnter number in reverse order in text field
Issue I have a TextInput in react-native , I want to enter a number in order as 0.00 => 0.01 => 0.12 => 1.23 => 12.34 => 123.45 like this on each change text . CSS Direction "rtl" is not
Continue readinghow to set remaining values to last slots
Issue Divide all the total seating capacities during the selected start and end time equally among the slots created. But, if some capacities are exceeding the rounding values then distribute/divide the slot seating capacities to the last slots. Example: User
Continue readingI have an error with npm install, can someone explain it?
Issue When I try npm install react-color, it shows me this error: npm ERR! code EINVALIDPACKAGENAME npm ERR! Invalid package name "@types/" of package "@types/@react-navigation/native": name can only contain URL-friendly characters. The same happened with npm install react-dom or others
Continue readingSocket io in React Native
Issue I am using Socket.io for my react-native project. The nodejs server is hosted with Heroku. When I tried to connect from the app to server, it works perfectly !! But when try I emit a message, I can’t see
Continue readingBackground color overflowing out of border radius – React native
Issue applied background color getting overflow out of the border on android <CardView style={{ borderWidth: 0.25, borderColor: colors.secondary400, backgroundColor: "red", …shadows.shadowDefault, shadowOffset: item.shadowOffset, shadowColor: item.shadowColor, shadowOpacity: item.shadowOpacity, shadowOpacity: 0.32, shadowRadius: spacing.SCALE_05, shadowColor: Colors.black, overflow: "hidden", }} > Solution Increase border-radius
Continue readingHow do I parse an HTML file in React Native?
Issue How can I get an HTML file from file system and parse specific elements from it. For example, given the html snippet below, how can I extract the table content and render it? <html> <div> <h1>header</h1> <table id=”a” border=”1″>
Continue readingArgument of type 'string' is not assignable to parameter of type 'Pick<IJobs, "name">'
Issue Why I get this error? Argument of type ‘string’ is not assignable to parameter of type ‘Pick<IJobs, "name">’. Type ‘string’ is not assignable to type ‘Pick<IJobs, "name">’ mockData: export const Jobs: IJobs[] = [ { id: ‘1’, name: ‘Trader’,
Continue readingState does not update its value using AsyncStorage in react-native
Issue I am trying to save a value to async storage and then navigate to the right page depending on what the value outcome is from the Async storage. I can store data in AsyncStorage but my states does not
Continue readingStoring API Keys in react-native app with expo library
Issue I have a question, please, if possible explain in simple terms. Im new to react native, what’s the best way to store API keys in a secure way where they can’t reverse engineer it and get the keys right
Continue readingReact Native Typescript : how to resolve an error of type of parameter for a variable
Issue I’m doing a project in react native (typescript) and here is my issue : I have this error Argument of type ‘GestureResponderEvent’ is not assignable to parameter of type ‘SetStateAction<string>’.ts(2345) with this part of my code, at the i
Continue readingBottom borderRadius not showing in React Native view
Issue I am currently trying out React Native for the first time and wanted to make a quick restaurant review app to try it out. Currently I have the issue that for my restaurant cards it’s not showing the bottom
Continue readingHow to render component via FlatList?
Issue Using react native with typescript and redux toolkit Hi I’m bothering with render a list of messages via FlatList. By ScrollView everything rendering good but I need to implement infiniti scroll. So I’m doing something like this const MessagesScreen
Continue readingIs there a way to handle number inputs instead of string with React Native?
Issue I have a react context state for my multi form input values: const [formValues, setFormValues] = useState({ sex: "male", unitSystem: "metric", heightInCm: "173", weightInKg: "60", dateOfBirth: null, }); and I am struggling to undestand how I should handle my
Continue readingReact Native Monorepo project doesn't work on release build
Issue I am experimenting Monorepo using yarn workspaces method containing a sample react-native project which is configured and it works fine in debug build. When I created a release build and run the app, it crashes as soon as it
Continue readingReact Native: How to modify a variable state while there is already a state?
Issue I want to create 4 buttons and when I click on one of them, a text will appeare while the other texts disappered. However, when I click with my solution, the text is still the same. I can change
Continue readingError [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client?
Issue I get this error whenever I use the api and send post, Error [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client This is the code ! //LOGIN router.post("/login", async (req, res) => { try { const
Continue readingReact – calculate dots position in a circle
Issue I have a wheel looks like this: I want to put the yellow bulbs on the circle, I’m thinking about using position: "absolute", top: xxx, left: yyy to achieve this, I guess that I will need some math to
Continue readingreact-native redux-toolkit: a non-serializable value was detected in the state, but my object is serializable
Issue I just migrated my old-school react-native with redux App to the modern redux-toolkit and now I have this error: A non-serializable value was detected in the state, in the path: `currentUserSessionData.data`. Value:, CurrentUserSessionData { "isOnboardingDone": false, }, Take a
Continue readingType 'ListRenderItem<IPhotos>' is not assignable to type 'ListRenderItem<unknown>
Issue why I get this error: Type ‘ListRenderItem<IPhotos>’ is not assignable to type ‘ListRenderItem<unknown> Code: import { Dimensions, Image, ListRenderItem, Pressable, StyleSheet, Text, View } from ‘react-native’ import React from ‘react’ import { IImageSlider } from ‘./Model’ import { FlatList
Continue readingwhy is react and react-dom not workingW
Issue I do not know why react and react-dom isn’t working with my code. you can see the color of the react and react-dom text isn’t even bright/clear what can be the issue please, someone should help me out. Thanks
Continue readingReact Native && Firebase && useContext – "TypeError: null is not an object (evaluating '_ref.user')" with onAuthStateChanged error
Issue The error is occurring in my useCachedResources.ts file but I’m not sure why. These are the three files that I’m working with. I suspect it has to do with the value being initially null for the first time but
Continue readingConvert Tailwind classes to css inline style
Issue In these days i’m struggling with the conversion from a react app to a react-native app; in this react app i used tailwind to stylize components thus i need to convert tailwind classes to inline css so that i
Continue readingReact Native: Different styles applied on orientation change
Issue I’m developing a React Native application to be deployed as a native application on iOS and Android (and Windows, if possible). The problem is that we want the layout to be different depending on screen dimensions and its orientation.
Continue readingnodejs server opens and closes quickly after react-native run-android
Issue I have installed and built my first React Native app from here. when I run react-native run-android, nodes server has been opened and closed quickly. this is my projects info: img3 the following image is when I have run
Continue readingTypeError: ‘undefined’ is not an object (evaluating)
Issue I’m started react-native tutorial on youtube, and I get error this one. TypeError: ‘undefined’ is not an object This is File it is showing from: <Touchable> <Image source={require(‘../assets/badalboupic.jpg)} /> <Text > TafTun AutoMechanics <Text /> </Touchable> Please help. Thank
Continue readingreactive-native cli error creating new projects "Android project not found."
Issue When I try to run a react native project with the command react-native run-android a error "Android project not found. Are you sure this is a React Native project? If your Android files are located in a non-standard location
Continue readingHow to build expo apk using eas build
Issue After updating expo it no longer supports building apk files using expo build:android -t apk and instead advices to using eas builds using the command eas build -p android –profile preview but it ended up building an aab instead
Continue readingTypeScript type for onLayout event in React Native?
Issue How can I specify a type in TypeScript for React Native’s onLayout event? const handleOnLayout = (e: SomeTypeHere) => { // stuff }; <View onLayout={handleOnLayout}> <Text>Hi</Text> </View> Solution This method returns a LayoutChangeEvent with these properties {nativeEvent: { layout:
Continue readingMetro Has Encountered an error: Cannot read properties of undefined(reading 'transformfile'). ERROR
Issue Not sure Why I am getting this issue. I am following a react-native tutorial, and am experiencing this error: TransformFile(filePath, transformOptions) { var _this3 = this; return _asyncToGenerator(function*() { // We need to be sure that the DependencyGraph has
Continue readingHow does one trigger an action in a child functional component in React?
Issue With a basic form/input layout, it’s clear that a callback should be used for state changes from child to parent (initiated by child), but how can the parent ask the child component to re-assess its state and communicate that
Continue readingWhen doing a booking system, where would it be better to do? Back end or front end
Issue My question is, I’m creating a react native application. I’m using mongoose, expressjs, nodejs, and mongodb. I am debating if to do the logic in front end or back end, where would it be ideal? I fell like back-end
Continue readingreact native: why flexDirection row not working in my project? i want to place it row direction
Issue I can’t remember well, but after doing something enter image description here my icon and description are placed like default flexDirection i cant find external component command that influence position of child component. i want to place icon and
Continue readingCan my symbol be exactly at the middle of mu button?
Issue I have my "+" that is a little bellow the center in my button. How can he be right in the center? Here is my code: Code Solution If you want to display a div or container inside of
Continue readingTypescript equal generics "No overload matches this call"
Issue So, I’m building a TypeScript application and I’m having issues with generics and overload. Here’s a minimal example of my code: function isEqual(data: string, value: string): boolean; function isEqual(data: number, value: number): boolean; function isEqual(data: boolean, value: boolean): boolean;
Continue readingJest won´t complete my async function for my api call function
Issue I´m working on a small app that uses an API. I want to make a test to see that the function works as intended. The function works, but in the test, the function will not complete and therefore fail.
Continue readingAccessing the updated state in useEffect doesn't work
Issue I need to fetch two API-endpoints in the useEffectcall, where the second call uses the result of the first call. So currently I have: const [steamID, setSteamID] = React.useState<string>(); const [loading, setLoading] = React.useState(true); React.useEffect(() => { setLoading(true); getLoggedInUser()
Continue readingReact Navigation for React Native not navigating – anything missing?
Issue This is my first try on using react navigation, and I did not get it to work out of the first time. I have create another screen called ‘First’, and declared it like this: types.tsx: export type RootStackParamList =
Continue readingReact Native, content going under navigation header, SafeAreaView not working
Issue As you can see in the image below, I have to give some top margin in order to "not" hide my half of the content under the navigation header, isn’t header supposed to be a "safe area" for the
Continue readingIs it possible to combine React Native with socket.io
Issue I was working on an app with Phonegap + React.js and Socket.io. However, then React-Native got released and the native feel is amazing. I tried getting socket.io-client working with React Native, but unfortunately without much success. I did some
Continue readingHow does this switch statement work? The case values appear to be undefined in the debugger
Issue I’m trying to understand how this code works, because it seems like it should not, but it does work. Is this some TypeScript magic I’m not understanding? React magic? How does this work if the cases are not strings,
Continue readingHow do I resolve 'Null is not an object' error when evaluating RNRandomBytes.seed
Issue I’m trying to build a mobile application with expo and react-native, I have a screen where I need to generate a passphrase for the user and I’m using react-native-bip39 in order to do that. After installing the following packages:
Continue reading