Questions tagged [react-native]
React Native is a JavaScript library used to build native mobile apps using React. The focus of React Native is on developer efficiency across all the platforms you care about - learn once, write anywhere.
124,807
questions
253votes
30answers
178kviews
Change package name for Android in React Native
I used react-native init MyApp to initialise a new React Native app.
This created among others an Android project with the package com.myapp.
What's the best way to change this package name, for ...
250votes
12answers
133kviews
How do I "shake" an Android device within the Android emulator to bring up the dev menu to debug my React Native app
I am working on a cross-platform React Native mobile app. I am writing console.log statements as I develop. I want to see these logging statements in Chrome while I'm running the Android app in the ...
245votes
63answers
151kviews
What is the meaning of 'No bundle URL present' in react-native?
When I run a react-native project, I get a error no bundle URL present , but I don't know what mistakes I do, I was very confused.
239votes
23answers
294kviews
React native text going off my screen, refusing to wrap. What to do?
The following code can be found in this live example
I've got the following react native element:
'use strict';
var React = require('react-native');
var {
AppRegistry,
StyleSheet,
Text,
...
238votes
15answers
164kviews
React Native Change Default iOS Simulator Device
When I run this command:
react-native run-ios
My app runs by default in the iPhone6 simulator device:
Found Xcode project RN.xcodeproj
Launching iPhone 6 (9.2)...
How can I have the app run in a ...
225votes
8answers
182kviews
How to have Ellipsis effect on Text
I'm having a long text in my app and I need to truncate it and add three dots to the end.
How can I do that in React Native Text element?
Thanks
219votes
14answers
310kviews
What is useState() in React?
I am currently learning hooks concept in React and trying to understand below example.
import { useState } from 'react';
function Example() {
// Declare a new state variable, which we'll call &...
215votes
10answers
375kviews
How to set background color of view transparent in React Native
This is the style of the view that i have used
backCover: {
position: 'absolute',
marginTop: 20,
top: 0,
bottom: 0,
left: 0,
right: 0,
}
Currently it has a white background. I can change ...
209votes
4answers
314kviews
Axios get in url works but with second parameter as object it doesn't
I'm trying to send GET request as second parameter but it doesn't work while it does as url.
This works, $_GET['naam'] returns test:
export function saveScore(naam, score) {
return function (...
207votes
8answers
247kviews
Get size of a View in React Native
Is it possible to get the size (width and height) of a certain view? For example, I have a view showing the progress:
<View ref='progressBar' style={{backgroundColor:'red',flex:this.state.progress}...
207votes
20answers
193kviews
Setting environment variable in react-native?
I am using react-native to build a cross-platform app, but I do not know how to set the environment variable so that I can have different constants for different environments.
Example:
development:
...
206votes
10answers
288kviews
How can you float: right in React Native?
I have an element that I want to float right, for example
<View style={{width: 300}}>
<Text style={{backgroundColor: "#DDD"}}>Hello</Text>
</View>
How can the Text be ...
206votes
26answers
128kviews
Android failed to load JS bundle
I'm trying to run AwesomeProject on my Nexus5 (android 5.1.1).
I'm able to build the project and install it on the device. But when I run it, I got a red screen saying
Unable to download JS bundle. ...
205votes
17answers
227kviews
Build and Install unsigned apk on device without the development server?
As I am new in react-native so if there is anything wrong in steps let me know.
I have build a react native android app using the command as per documentation
react-native android
while running ...
201votes
27answers
154kviews
React-Native: Application has not been registered error
I am currently going through the React-Native tutorials. I began with the Getting Started tutorial, where I made a new react native project and successfully managed to run the project on my device.
I ...