I have a react component, which should just return an alert box as shown: import React from ‘react’; import { StyleSheet, Text, View, Alert } from ‘react-native’; export default function PhotoHandler() { return ( <View> Alert.alert( "Success", "Take photo", [ {text: "Open Camera"} ] ) </View> ); } const styles = StyleSheet.create({ container: { flex: ..
Category : react-native
I’m using react-native-background-timer getting error android as well as ios while calling function BackgroundTimer.setTimeout useEffect(() => { let timeId = BackgroundTimer.setTimeout(() => { BackgroundTimer.start(); AppContext.UpdateCart([]); SecureStorage.setItem("CART", []); }, 20 * 60 *1000); }, []); Source: Ask Javascript..
I am a react beginner learner. I do try to create the first project in react. But I can not output my project. My react index.js is: import React from ‘react’; import ReactDOM from ‘react-dom’; import App from ‘./App’; ReactDOM.render( <React.StrictMode> <App /> </React.StrictMode>, document.getElementById(‘root’) ); App.js is: import react from ‘react’; import heard_title from ..
I am following this tutorial on uploading photos to Firebase in React Native and have it all set up using ‘react-native-image-picker’ and ‘launchImageLibrary’ (instead of the ‘showImagePicker’ in the tutorial as it is no longer in use) however when I click the ‘Upload Image’ button I get this error/warning: My UploadScreen.js file is as follows: ..
I ask for the help of specialists, I am new to React Native and faced such a problem. enter image description here Trying to send the file this way with a single button click using react-native-image-crop-picker I already sent files to the server on Next js and everything worked fine, but now I needed to ..
I have recently been added to a Github Repo, and for a few days I have been trying to get the apps to launch (no luck), I’ve solved most of the problems so far, but now I am stuck on these errors as seen by the screenshot I pasted below. I am not sure how ..
‘m trying to map some data that I have stored in an array (the screenshot below), but I can’t seem to access it, because it is loaded asynchronously. How could I await the data? Is there a way to do it in the render function? render() { return ( {this.state.serials.map((number) => { return number.s && ..
After struggling to upload image to the Firebase storage and save it to the user Firebase firestore, I finally succeeded in achieving that. Here’s how I did it: const [image, setImage] = useState(null); const [userData, setUserData] = useState(""); const [uploading, setUploading] = useState(""); const getPermission = async () => { if (Platform.OS !== "web") { ..
I’m currently working on a React-Native project. I’m building an app using Firebase. Let’s classify this as a social media app. Using the firebase cloud function, I’m trying put all the users into a single document. For that, using the onCreate event, im listening to every new documents created within the collection "users", and each ..
I’m trying to map some data that I have stored in an array (the screenshot below), but I can’t seem to access them. For number.s[0].a it logs undefined. Also the number.s.lenght is zero, which I don’t understand why, since under the array it says lenght 1. {this.state.serials.map((number) => { console.log(number.s) return number.s && number.s.length? ( ..
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