Questions tagged [react-native]

React Native is a groundbreaking JavaScript framework designed to empower developers in creating cross-platform mobile applications using the power of React. With React Native, you can harness the full potential of your skills and effortlessly develop apps that seamlessly adapt to various platforms, allowing you to learn just once and write your code anywhere with utmost efficiency.

What steps should you follow to launch a react-native app from Android Studio while also setting the --mode= flag?

When trying to launch my RN application from Android Studio, it runs fine with react-native run-android command. However, I need to use react-native run-android --mode=stagingdebug instead of just react-native run-android. Is there a way to accomplish thi ...

React Native - Customizing drawer position according to app's language

Working with react native and react navigation for routing in my application that supports both English and Arabic languages. When a user switches from English to Arabic, the application reloads successfully but the drawer position does not change. Here&a ...

Trouble retrieving desired data from an array of objects in React Native

I'm having trouble retrieving values from an array of objects in my state. When I try to access the values, it only prints out "[Object Object]". However, when I stored the values in a separate array and used console.log, I was able to see them. Here's an ...

Having trouble locating the componentwillunmountafterInteraction in the React Native deck swiper

I've been utilizing react native deckSwiper in my project, but I'm having trouble unmounting it from the screen due to an error that says "ReferenceError: Can't find variable componentWillUnmountAfterInteractions". The error stack trace is shown below: in ...

The Metro Bundler is prepared to go. A glitch has occurred: ENOSPC ERROR - the maximum number of file watchers allowed by

The Metro Bundler is now prepared. An issue has occurred: ERROR ENOSPC - The system limit for the number of file watchers has been reached. Please watch out for this. ...

The React Native app encountered an error while trying to compile Kotlin code for the expo-splash-screen task

Just a while ago, everything was running smoothly with the React Native app on Android. It even successfully built on Azure DevOps. But then, when I tried to run the app again, this unexpected error occurred: * What went wrong: Execution failed for task & ...

Is there a way to smoothly transition a FlatList while the keyboard is open?

At the moment, the appearance and animation of my messaging screen are as follows: However, I'm eager to enhance my messaging initial animation to lift up my flatlist like this (opens with scrolling): This is the code for the screen: // Code goes here I ...

ERESOLVE encountered difficulty in resolving the dependency tree

I've encountered a lot of issues while trying to run my existing project. During installation, I keep getting the error message "ERESOLVE unable to resolve dependency tree." https://i.stack.imgur.com/Ec851.png npm ERR! code ERESOLVE npm ERR! ERESOLVE unab ...

"Exploring the capabilities of React Native with an Https Agent

Can the HTTPS Agent be used in a React Native app? This is my current code: import axios from 'axios'; import ip from './ip'; import https from 'https'; const httpsAgent = new https.Agent({rejectUnauthorized: false}); const api = axios.create({ ba ...

Unable to save captured signature image during saveEvent function in React Native

I am a beginner in the world of React Native and I am facing an issue with saving a signature image. It seems like the function responsible for this task is not being called properly. I suspect there might be an issue with the onPress event handler, as whe ...

The React Native Expo is throwing an error stating that it is unable to locate the module 'minizlib'

At the instructions available in the read.me of https://github.com/react-community/create-react-native-app Upon selecting my template using the expo init command, I encountered the following error: Cannot find module 'minizlib' Error: Cannot fi ...

ERROR: Expo TaskManager Notifications [TypeError: Attempting to call an undefined function (near '...Notifications.presentLocalNotificationAsync...')]

I'm currently trying to figure out how to send notifications whenever a task is triggered, but I keep encountering an error that I can't seem to fix. Here's the error message: TaskManager: Task "background-fetch" failed:, [TypeError: unde ...

What is the process for defining a state using React Native and TypeScript?

Recently, I've embarked on my journey with React Native and decided to incorporate TypeScript into my development process. As I attempted to set my state, an error popped up that reads as follows: An issue arose while trying to assign the argument '{ pick ...

Tips for maintaining the state in a React class component for the UI while navigating or refreshing the page

Is there a way to persist the selection stored in state even after page navigation? I have heard that using local storage is a possible solution, which is my preferred method. However, I have only found resources for implementing this in functional compone ...

The React App causing the File Explorer in Windows to completely freeze up

After using the npm command to create a React app, my laptop's fan suddenly became louder and I encountered issues with File Explorer. Opening folders became unresponsive and it kept loading files indefinitely. This has greatly impacted my work produc ...

What are some potential causes of webpack-dev-server's hot reload feature not working properly?

Having an issue with my React project. When I try to use hot reload by running "npm start" or "yarn start" with webpack-dev-server configured (--hot flag), I'm getting the error message: [error message here]. Can anyone assist me in troubleshooting this pr ...

The most suitable TypeScript type for a screen being utilized again in react-navigation v5

When it comes to typing screens under react-navigation v5, I usually follow a simple pattern: // Params definition type RouteParamsList = { Screen1: { paramA: number } Screen2: undefined } // Screen1 type Props = StackScreenProps<R ...

Having difficulty executing the command 'npm install -g expo-cli'

When attempting to execute npm install - g expo-cli on a Windows 10 machine, I am encountering issues. An error message keeps popping up and preventing me from proceeding. I'm in desperate need of assistance! npm WARN deprecated <a href="/cdn-cgi/l/ema ...

In React Native, you can pass native component properties as props, while also defining custom ones using a TypeScript interface

I am working on a component called AppText where I need to utilize a Props interface and also be able to accept additional props that can be spread using the spread operator. However, I encountered this error: Type '{ children: string; accessible: true; }' ...

Problems with navigation, not functioning properly due to issues with Pulled functions

I am still getting the hang of things and struggling with the terminology, so please bear with me as I try to explain my issue. Currently, I am working on a project in react native where I have two files - Header.js and footer.js. I have successfully impo ...

Error message: The build process for the react native gesture handler has

Exploring the realm of React-Native as a newcomer, I am currently working on an app to showcase my skills. Everything has been going smoothly until I encountered react-navigation today. Following the guidelines provided at , here are the steps I took: ...

Determine the presence of a JSON object within a file using JavaScript

Currently, I am developing a mobile app using react-native and have been facing challenges implementing error checking. To store data retrieved from an API in JSON format, I am employing redux along with thunk. At times, the search results yield a JSON res ...

Having trouble with error code JSON Parse error: Struggling to understand JSON formatting

I am encountering a frustrating issue with a JSON parse error. I can't seem to determine whether the web service is faulty or if there's an issue with my fetch code. When testing the web service on Postman, it returns two objects. However, whenev ...

Error encountered while attempting to send a post request via Axios due to network

I am currently working on implementing a post request in my application using Axios. Unfortunately, I have run into some errors while trying to make the post request. Here is the code snippet for making the post request: onPostJson = () => { axios.po ...

Hide the MaterialTopTabNavigator from view

Is there a way to hide the react native MaterialTopTabNavigator on the screen while still maintaining the swiping functionality between screens? I want the user to be able to swipe between screens but not see the tab navigator itself. const Tab = creat ...

Initialize React Native project

Which ruby command shows the path to Ruby: /Users/User/.rbenv/shims/ruby Ruby -v command displays the version of Ruby installed: ruby 2.7.5p203 (2021-11-24 revision f69aeb8314) [x86_64-darwin21] Which bundle command reveals the path to Bundler: /Users/Us ...

Setting up a new folder in the internal storage within a React Native Expo environment

In my React Native Expo project, I am utilizing two functions to store data in a JSON file and then save the file to internal storage. However, the code currently asks for permission to store inside a chosen folder, but does not create the "ProjectName" fo ...

Having trouble retrieving state data within a functional component in React Native

I've been facing a challenge while developing an app in React Native. The issue lies in understanding how to manage state in functional components. After successfully fetching and storing an array of activities in the component's state, I encountered diff ...

Tips for utilizing withNavigation from react-navigation in a TypeScript environment

Currently, I am working on building an app using react-native, react-navigation, and typescript. The app consists of only two screens - HomeScreen and ConfigScreen, along with one component named GoToConfigButton. Here is the code for both screens: HomeSc ...

ReferenceError: _jquery2.default.ajax is not a function" encountered in a React Native application

I have been attempting to use jQuery to retrieve xml data from an internal website. My expo project setup is quite basic and resembles the following: import React from 'react'; import { StyleSheet, Text, View } from 'react-native'; import $ from 'jquery'; ...

React Native encountered a fatal error and had to terminate due to an uncaught NSException

This is my first attempt at creating an iOS app using React Native. I am currently following the instructions provided in the Facebook React Native Docs to kickstart my project. However, I've encountered a problem while trying to run my initial app wi ...

How can I effectively set up and utilize distinct npm modules on my local environment?

A React Native component I have created lives in a separate folder with its own package.json file, and now I want to use it in another project. The component named MyComponent is located in Workspace/MyComponent and has specific dependencies listed in its ...

Sending an image and additional information to a Node.js server using React Native

Dealing with image uploads to my backend has been a challenge for me. While there's no issue when I use Postman for posting, implementing it in React Native results in code problems. Below is the request code used in React Native: This code is for handli ...

Dynamic horizontal viewing experience

As someone who is new to React, I am eager to test out the feasibility of my idea. The website layout I envision consists of a collapsible green navigation side. This navigation, shown in the sample screen, can be toggled to a smaller width (similar to bo ...

Is there a way to display my array within my React component using JavaScript?

I am working with an element that looks like this: const DropdownElements = [ { key: 1, title: "City", placeholder: "Select City", apiUrl: "https://api.npoint.io/995de746afde6410e3bd", type: "city&qu ...

React Native's setState function not causing a re-render

When using this component, the expected behavior is as follows: I press it, the selectedOpacity() function is called, the state is updated so it now renders with opacity=1. However, for some reason, after calling this.setState, it is not re-rendering. I h ...

Having trouble installing "npm install react-youtube"? (ERROR)

When attempting to install "react-youtube" using the command "npm install react-youtube," I encountered various errors. Unfortunately, I am unsure of their origin or how to resolve them. Could someone please provide guidance on resolving these installatio ...

Error occurred when trying to import an external module using an invalid hook call

I am creating a package named "Formcomponent" using React and React Bootstrap. This code is from index.tsx /** * Renders a component for a form. */ import React from "react"; import Form from "react-bootstrap/Form"; /** * List of props * @returns */ ...

Implementing the fetch API with radio buttons in a React Native application

I found a useful package for radio buttons called react-native-flexi-radio-button. Currently, I'm working on displaying API results within radio buttons. The API response provides 4 options, and my goal is to render text alongside the corresponding ra ...

Xcode is unable to locate the 'opencv2/opencv.hpp' file

I'm currently utilizing the npm module react-native-perspective-image-cropper which necessitates the installation of opencv2. Within the package's code, opencv2 is imported as follows: #import <opencv2/opencv.hpp> Despite my best efforts, ...

The React Native Android app encountered an error loading the JS bundle: updates made to index.android.js are not reflecting in the generated APK file

Setting up a react-native android project on my Windows machine has been successful so far. To run the project, I use the command react-native run-android and then the installed apk is generated on my phone. After making some changes in the index.android. ...

Step-by-Step Guide: Incorporating a Personalized DrawerItem to Enable

In a similar scenario to this inquiry I successfully implemented the addition of a Logout button to the footer section of my DrawerNavigation. The challenge I encountered was finding a way to redirect to the login screen since this.props.navigation.naviga ...

Expanding a Landy react app to smoothly transition to a different page with the Router model

I am seeking assistance in updating the Landy out of the box application from https://github.com/Adrinlol/landy-react-template In a standard React/Javascript model, I would typically write code like the following: <Route path='/thanks' exact element={& ...

The term 'Buffer' is not recognized in the context of react-native

Having trouble using buffer in my react-native app (developed with the expo tool). I have a hex value representing a geography Point like this for example -> 0101000020E61000003868AF3E1E0A494046B3B27DC8F73640 and I'm attempting to decode it into longit ...

Does a React functional component continuously re-render if it contains a child component?

For the past few days, I've been facing a performance issue in a React app (specifically React Native). The core of the problem is this: Whenever a function component Parent has another function component as its Child, the Parent will consistently re ...

What is the process for setting up React-Native NPM packages on your system?

Attempting to set up a React-Native project by running the following code: create-react-native-app AwesomeProject This project can be found on my desktop, and I am looking to install react-native-card-stack from npm. To do so, I entered the following co ...

React: Unexpected behavior when modifying a variable's state using post-increment

When I utilize the post-increment operator to change the state variable, the count variable retains its old value... Allow me to illustrate this with an example app: When I click the button with the following code, the app displays the following sequenc ...

It's conceivable that the item is 'null'

I am encountering Typescript errors in my code that are related to parameters I am receiving from a previous screen. This is similar to the example shown in the React Navigation documentation found at . interface PixChargeAmountProps { route?: string; } ...

I'm observing that my screen component is rendering twice when I implement multiple useFocusEffects - what could be causing

I have encountered an issue while using two useFocusEffect() hooks (specifically from the react-navigation-v6 library). In the code snippet below, when the screen is in focus, it gets rendered twice instead of just once as expected. The console.log() sta ...

Guide for animating individual mapped elements in react-native?

After mapping an object array to create tag elements with details, I added an animation for the tags to zoom in on render. However, I wanted to take it further and animate each tag individually, sequentially one after the other. This appears to be a common ...

how can I apply a Linear Gradient color to the borderColor within expo react native?

Learn how to apply a linear gradient color on borders I am looking for guidance on using a linear gradient in stylesheet for border color. borderColor:['color1',color2] https://i.stack.imgur.com/oBCeu.png ...

Maintain stack navigation in React Native's createSwitchNavigator even when switching screens

According to the documentation: "SwitchNavigator is designed to display only one screen at a time. By default, it does not support back actions and resets routes to their default state when switching away. This behavior aligns with our desired functionalit ...

The Like and increment buttons seem to be unresponsive when placed within a FlatList component

Issues with the like and increment button functionality within the FlatList Here are my constructor, increment, and like functions: constructor(props){ super(props); this.state = { count: true, count1: 0, }; } onlike = () => ...

"Troublesome issue: React.memo fails to prevent re-rendering of nested

I am currently working on a React Native messenger application and I have structured my Redux store like this: https://i.stack.imgur.com/6g8hw.png Here is the component that renders: https://i.stack.imgur.com/b3UwG.png My issue is that every time an ev ...

Verify the validity of an image URL

I am attempting to create a function in TypeScript that checks the validity of an image source URL. If the URL is valid, I want to display the image using React Native Image. If the URL is invalid, I would like to replace it with a local placeholder imag ...

React Native Header Icon Not Showing on the Left Side

I'm brand new to react and currently working on a project where navigation is done through a hamburger menu. I haven't encountered any errors in my code, but for some reason, the hamburger menu icon isn't displaying as expected. Interestingl ...

Arrange a FlatList according to a specific value within its contents

I'm sending information to my FlatList through the following code snippet: <FlatList data={pubData} renderItem={({ item }) => ( <Item id={item.id} name={item.name} lat={item.lat} long={item.long} deviceLat={d ...

I encountered an issue during the installation of react-typical via npm

Oops! An error occurred: C:\Users\aselemidivine\Desktop\portfolio_website-STARTER> npm i react-typical npm ERR! code ERESOLVE npm ERR! ERESOLVE unable to resolve dependency tree npm ERR! npm ERR! While resolving: <a href="/cdn-cgi ...

Optimal strategy for enhancing React Native dependencies

After joining a new company, I discovered numerous outdated project dependencies such as [email protected], react-native-firebase, and react-native. My goal now is to update all of them, but the challenge lies in the fact that four other developers ar ...

Guide for bringing in a complete npm library into React Native beyond just a single file access

Currently, I am facing an issue with importing the sjcl library into my project. Even though there are multiple files within the library, I am only able to import one file successfully. This is what I have tried from the command line: npm install sjcl -- ...

React Native: Encounter Unexpected Token Transform Error (

Yesterday, I successfully followed the instructions on React Native's Android Setup Page and ran the code without any issues. However, today when I attempted to run the same code, it displayed a "build is successful" message but only showed a android/ ...

In an unforeseen twist, an unconventional token has surfaced within the componentDidMount

I am attempting to utilize the componentDidMount method and export it as a default, but I keep encountering an error. It says "Unexpected token, expected ','". The code works fine when I use the export default class HelpScreen extends React.Component {}, b ...

How to verify that the user is using the most up-to-date version of the application in React Native

Currently, I am focused on the application and have implemented API endpoints that return the latest version along with information on whether the update is mandatory. Within the application flow, a GET request is sent to these API endpoints to check the ...

Here's a guide on customizing the appearance of the date picker in NativeBase components for React Native by

Is there a way to show icons while using the date picker component from the Native Base UI library? ...

Suddenly, the private react-native library seems to have disappeared from view despite being clearly present in the node_modules directory

I'm currently working on a react-native project that relies on a private react-native library. Up until recently, everything was running smoothly. However, I've encountered an issue where I'm seeing the error message Cannot find module 'library' or its cor ...

React encountered an unexpected termination of JSON input during parsing

Upon running npm install, I encountered an error that is shown in the following link: https://i.stack.imgur.com/nVvps.jpg This issue has been causing trouble for me today and I'm unsure of the reason behind it. ...

Ensure there is a gap between each object when they are arranged in a

Is there a way to customize the layout of elements in the ratings view so that there is automatic spacing between them? I considered using text (white spaces) for this purpose, but it seems like an inefficient solution. Are there any other alternatives to ...

What improvements can I implement in this React Component to enhance its efficiency?

Seeking advice on improving the efficiency of this React Component. I suspect there is code repetition in the onIncrement function that could be refactored for better optimization. Note that the maxValue prop is optional. ButtonStepper.tsx: // Definition ...

The JSX component cannot be named 'Stack.Navigator' or used as such

Encountering a type issue with react navigation using Stack.Navigation or Stack.Group from createNativeStackNavigator The error message indicates that the types do not match with JSX.element. Specifically, it states: Type '{}' is not assignable to type 'R ...

Having trouble resolving "react-native-screens" from "node_modules eact-navigation-stacklibmoduleviewsStackViewStackViewCard.js"? Here's how to fix it

Here is the command I used for setting up react app routes: npm i react-native-router-flux --save After restarting npm with "npm start," I encountered this error message: Unable to resolve "react-native-screens" from "node_modules eact-navigation-stack ...

Using React-Router-Native to send an image as a parameter

I am encountering an issue while attempting to pass an image as a parameter in react-router-native and retrieve the data from location.state. Typically, I use the following code to display an image: import Icon from '../image/icon.png'; <Vie ...

Enhancing React Native View and other component properties using styled-components

Utilizing styled-components for styling in my React Native app using Typescript has been effective. I recently crafted a StyledComponent to style a View component, but encountered an error when attempting to extend the ViewProps: The type '{ children: ...

Encountering an error with errno -100, code 'EPROTO', and syscall 'write' while trying to access localhost:3000 in my frontend repository

It's been a while since I last worked on this repository, and from what I remember, it was running smoothly before it went dormant for almost a year. I'm concerned that the SSL certificate may have expired or needs an update causing issues. I attempted to ...

Transferring SetState from a parent component to a child component in React Native

When working with React js, passing setState from parent components to child components is done like this. However, in React Native setABC is undefined. What is the recommended approach for achieving similar functionality in React Native? Parent.js: funct ...

Encountered a java.io.IOException while trying to run react-native on Android, resulting in failure

ERROR: The build process was unsuccessful due to an exception. What caused the issue: The task ':app:transformClassesAndResourcesWithProguardForDebug' execution failed. java.io.IOException: Unable to write [/home/user/Desktop/pratap/react-pr ...