React Native bridge controls device screen brightness

Usage no npm install needed!

<script type="module">
  import reactNativeBrightness from '';



Getting started

$ npm install react-native-brightness --save

Mostly automatic installation

$ react-native link react-native-brightness

Manual installation


  1. In XCode, in the project navigator, right click LibrariesAdd Files to [your project's name]
  2. Go to node_modulesreact-native-brightness and add Brightness.xcodeproj
  3. In XCode, in the project navigator, select your project. Add libBrightness.a to your project's Build PhasesLink Binary With Libraries
  4. Run your project (Cmd+R)<


  1. Open up android/app/src/main/java/[...]/
  • Add import com.cca6286pro.reactlibrary.brightness.BrightnessPackage; to the imports at the top of the file
  • Add new BrightnessPackage() to the list returned by the getPackages() method
  1. Append the following lines to android/settings.gradle:
    include ':react-native-brightness'
    project(':react-native-brightness').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-brightness/android')
  2. Insert the following lines inside the dependencies block in android/app/build.gradle:
      compile project(':react-native-brightness')


import Brightness from "react-native-brightness";

Brightness.getBrightness((brightnessLevel) => {
  // brightnessLevel is a float (0 - 1)