How to Decrease Brightness of an Image in React Native?
Dec 06, 2022 . Admin
Today, I would like to show you how to decrease brightness of background image in css. In this article, we will implement a react native screen brightness. step by step explain how to decrease brightness of image in css. This post will give you simple example of react native image brightness. Here, Creating a basic example of react native brightness.
in this example,The idea here is to have a child View component for your image with the same dimensions. We apply a background color of rgba(0,0,0,0.5) to the child View.
Step 1: Download ProjectIn the first step run the following command to create a project.
expo init ExampleAppStep 2: App.js
In this step, You will open the App.js file and put the code.
import React from 'react'; import {StyleSheet, ImageBackground, View} from 'react-native'; const Register = () => { return ( <View style={styles.container}> <ImageBackground style={styles.coverImage} source={{ uri: 'https://cdn.pixabay.com/photo/2022/12/03/15/14/christmas-7632906_960_720.jpg', }}> <View style={styles.darkness} /> </ImageBackground> </View> ); }; export default Register; const styles = StyleSheet.create({ container: { flex: 1, marginTop: 35 }, coverImage: { width: '100%', height: 200, }, darkness: { backgroundColor: 'rgba(0,0,0,0.5)', width: '100%', height: 200, }, });Step 3: Run Project
In the last step run your project using the below command.
expo start
You can QR code scan in Expo Go Application on mobile.
Output:
It will help you...