Bubbles in Android Q will replace the overlay API in a future Android version
Android 6 (23) - no permission requested - Stack Overflow
GitHub - noln/system-alert-window-example: Example project showing use of SYSTEM_ALERT_WINDOW permission on Android 23+, with back button interception.
MentorMate
How to accept "Permit drawing over app" on Android? · Issue #9624 · appium/appium · GitHub
Android "Screen Overlay Detected" message if user is trying to grant a permission when a notification is showing - Stack Overflow
Floating Windows on Android: Permissions
How to show View above all applications or SYSTEM_ALERT_WINDOW permission – Igor Khrupin
New behavior: "Display over other apps" permission keeps turning off after a few seconds for sideloaded apps : r/android_beta