How to handle SYSTEM_ALERT_WINDOW permission not being auto-granted on some pre-Marshmallow devices

Question

I\'ve been getting reports of some Xiaomi devices (e.g. Mi 2, running API level 21) not showing overlays. My app targets API 23.

There are several posts out there r

Answer 1

You can check permission like this:

boolean granted = activity.checkSelfPermission("android.permission.SYSTEM_ALERT_WINDOW") == PackageManager.PERMISSION_GRANTED;