Ask for draw over other apps permission.

$ npm install react-native-draw-overlay --save

$ react-native link react-native-draw-overlay

1. Open up android/app/src/main/java/[...]/MainActivity.java

• Add import com.reactlibrary.RNDrawOverlayPackage; to the imports at the top of the file
• Add new RNDrawOverlayPackage() to the list returned by the getPackages() method

2. Append the following lines to android/settings.gradle:

   include ':react-native-draw-overlay'
   project(':react-native-draw-overlay').projectDir = new File(rootProject.projectDir, 	'../node_modules/react-native-draw-overlay/android')
   

3. Insert the following lines inside the dependencies block in android/app/build.gradle:

     implementation project(':react-native-draw-overlay')
   

add

<uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>

to AndroidManifest.xml

import RNDrawOverlay from 'react-native-draw-overlay';

// TODO: What to do with the module?
RNDrawOverlay.askForDispalayOverOtherAppsPermission()
	     .then(res => {
		 // res will be true if permission was granted 
	     })
	     .catch(e => {
		 // permission was declined
	     })