ViewModel.kt

class ViewModel {
      private val _events = Channel<Event>(capacity = Channel.BUFFERED)
      val events = _events.receiveAsFlow()
             .whenAtLeast(Lifecycle.Started)

      private val locationPermissionGranted = MutableStateFlow(false)

      fun onPermissionGranted(granted: Boolean, shouldShowRationale: Boolean) {
        if (!granted) {
            if (shouldShowRationale) {
                _events.trySend(Event.ShowPermissionRationale)
            } else {
                _events.trySend(Event.ShowPermissionSnackBar)
            }
        }
        if (granted || !shouldShowRationale) {
            locationPermissionGranted.value = granted
        }
    }
      
    sealed class Event {
        object RequestLocationPermission : Event()
        object ShowPermissionRationale : Event()
        object ShowPermissionSnackBar : Event()
    }
}