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 Project

In the first step run the following command to create a project.

expo init ExampleApp
Step 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}>
          uri: '',
        <View style={styles.darkness} />

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.


It will help you...

#React Native