This library checks if "Pause app activity if unused" is turned on or off in the app settings which is only available on android.

reference

https://developer.android.com/topic/performance/app-hibernation

how to use

TextButton(
    onPressed: () async {
        final bool isEnabled = await UnusedAppRestrictions.getStatus();
        print(isEnabled);
    },
    child: const Text('get status'),
),