Recently I started to get this error: NSPhotoLibraryUsageDescription key must be present in Info.plist to use camera roll. I am using React Native to build my app (I am not familiar with ios native development) and I don’t know how to add this key to Info.plist Can you post an example? Thanks I am using … Read more
Is using componentDidMount() as an async function good practice in React Native or should I avoid it? I need to get some info from AsyncStorage when the component mounts, but the only way I know to make that possible is to make the componentDidMount() function async. async componentDidMount() { let auth = await this.getAuth(); if … Read more
I’m really new to React Native and I’m wondering how can I hide/show a component. Here’s my test case: <TextInput onFocus={this.showCancel()} onChangeText={(text) => this.doSearch({input: text})} /> <TouchableHighlight onPress={this.hideCancel()}> <View> <Text style={styles.cancelButtonText}>Cancel</Text> </View> </TouchableHighlight> I have a TextInput component, what I want is to show the TouchableHighlight when the input gets the focus, then hide the … Read more
I am getting -bash: react-native: command not found error while creating a react-native project. Below are the additional info 1. brew –version homebrew 0.9.9 2 brew info watchman watchman `enter code here`stable 4.50 /usr/local/Cellar/watchman/4.4.0 3. brew info flow stable 0.24.1 /usr/local/Cellar/flow/0.24.1 4. brew info node stable 6.1.0 /usr/local/Cellar/node/6.1.0 5. npm -version 3.8.6 6. echo $PATH … Read more
I’m trying to use fetch in React Native to grab information from the Product Hunt API. I’ve obtained the proper Access Token and have saved it to State, but don’t seem to be able to pass it along within the Authorization header for a GET request. Here’s what I have so far: var Products = … Read more
Considering below hooks example import { useState } from ‘react’; function Example() { const [count, setCount] = useState(0); return ( <div> <p>You clicked {count} times</p> <button onClick={() => setCount(count + 1)}> Click me </button> </div> ); } Basically we use this.forceUpdate() method to force the component to re-render immediately in React class components like below … Read more
When I create a brand new project using react-native init (RN version 0.29.1) and put a fetch in the render method to the public facebook demo movie API, it throws a Network Request Failed. There is a very useless stack trace and I can’t debug network requests in the chrome console. Here is the fetch … Read more
I’m making an android app using react native and I’ve used TouchableOpacity component to create buttons. I use a text input component to accept text from the user and the button should only be enabled once the text input matches a certain string. I can think of a way to do this by initially rendering … Read more
Trying to create a react-native project on Android 4.4.2 I get this error screen and couldn’t find any way to resolve it. I tried restarting packager, reconnecting device, even reinstalling react native and starting new project. On 6.0.0 and later versions it works just fine. 33 Answers 33 A possible solution for this is that … Read more
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 then started the Props tutorial, I copied the code snippet and tried to run the project again and had the following … Read more
