this model don't Support

[osamasaeed]

  await FlutterWindowManager.addFlags(  FlutterWindowManager.FLAG_SHOW_WHEN_LOCKED );

Hi,
I am trying to enable this permission on my Xiaomi Android Phone, but I get this in my terminal log

W/MirrorManager(  514): this model don't Support

Can anyone guide me how can I solve this error or any other by to enable these two permission

1). Display pop-up windows while running in the background
2). Show on lock screen

Flutter 3.0.5
Tools • Dart 2.17.6 • DevTools 2.12.2