How do I keepScreenOn with cordova

Open your MainActivity.java inside cordova project folder\platforms\android\app\src\main\java\com\XXX\XXX

then add this

import android.view.WindowManager;

last step add this:

getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

under super.onCreate(savedInstanceState);

also keep android:keepScreenOn="true" on your AndroidManifest.xml

Edited: Added image screenshot.