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.

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What is the difference between Expo and React Native?

From the Expo website Expo lets web developers build truly native apps that work across both iOS and Android by writing them once in just JavaScript. Isn't this what React Native does? What's the ...
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286votes
21answers
392kviews

How can I generate an apk that can run without server with react-native?

I've built my app, I can run it on my local emulator (and also on my android device within the same network by changing debug server). However, I want to build an APK that I can send to someone ...
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286votes
14answers
226kviews

How to use comments in React

How can I use comments inside the render method in a React component? I have the following component: 'use strict'; var React = require('react'), Button = require('./button'), UnorderedList = ...
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280votes
23answers
288kviews

React Native: How to select the next TextInput after pressing the "next" keyboard button?

I defined two TextInput fields as follows: <TextInput style = {styles.titleInput} returnKeyType = {"next"} autoFocus = {true} placeholder = "Title" /> <TextInput style = {...
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273votes
31answers
313kviews

Hide header in stack navigator React navigation

I'm trying to switch screens using both stack and tab navigator. const MainNavigation = StackNavigator({ otp: { screen: OTPlogin }, otpverify: { screen: OTPverification}, ...
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267votes
53answers
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Unable to load script.Make sure you are either running a Metro server or that your bundle 'index.android.bundle' is packaged correctly for release

react-native run-android command terminates by leaving a message in android simulator. The message is as follows: Unable to load script.Make sure you are either running a Metro server or that your ...
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266votes
47answers
179kviews

React Native version mismatch

Getting the following message when I init a new project and then launch the Xcode emulator: React-Native Version Mismatch Javascript Version 0.50.1 Native version: 0.50.0 Make sure you ...
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263votes
11answers
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100% width in React Native Flexbox

I have already read several flexbox tutorial, but I still cannot make this simple task to work. How can I make the red box to 100% width? Code: <View style={styles.container}> <Text ...
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262votes
11answers
398kviews

ReactJS: Maximum update depth exceeded error

I am trying to toggle the state of a component in ReactJS but I get an error stating: Maximum update depth exceeded. This can happen when a component repeatedly calls setState inside ...
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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 ...
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