MainViewModel

class MainViewModel : ViewModel() {

    sealed class Event {
        object NavigateToSettings: Event()
        data class ShowSnackBar(val text: String): Event()
        data class ShowToast(val text: String): Event()
    }

    private val eventChannel = Channel<Event>(Channel.BUFFERED)
    val eventsFlow = eventChannel.receiveAsFlow()

    init {
        viewModelScope.launch {
            eventChannel.send(Event.ShowSnackBar("Sample"))
            eventChannel.send(Event.ShowToast("Toast"))
        }
    }

    fun settingsButtonClicked() {
        viewModelScope.launch {
            eventChannel.send(Event.NavigateToSettings)
        }
    }
}