Library is working on IOS and Android.
$ npm install react-native-root-view-background --save
$ yarn add react-native-root-view-background
$ react-native link react-native-root-view-background
- In XCode, in the project navigator, right click 
Libraries➜Add Files to [your project's name] - Go to 
node_modules➜react-native-root-view-backgroundand addRNRootViewBackground.xcodeproj - In XCode, in the project navigator, select your project. Add 
libRNRootViewBackground.ato your project'sBuild Phases➜Link Binary With Libraries - Run your project (
Cmd+R)< 
- Open up 
android/app/src/main/java/[...]/MainActivity.java 
- Add 
import com.reactlibrary.RNRootViewBackgroundPackage;to the imports at the top of the file - Add 
new RNRootViewBackgroundPackage()to the list returned by thegetPackages()method 
- Append the following lines to 
android/settings.gradle:include ':react-native-root-view-background' project(':react-native-root-view-background').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-root-view-background/android') - Insert the following lines inside the dependencies block in 
android/app/build.gradle:compile project(':react-native-root-view-background') 
import { setRootViewBackgroundColor } from 'react-native-root-view-background';
export default class Main extends Component {
    componentDidMount(){
        setRootViewBackgroundColor('#ccc');
    }
}
