Medium articles - MVI+FSM

TimerViewModel.kt

class TimerViewModel : ViewModel() {

    private val _state = MutableLiveData<TimerUiState>(TimerUiState())
    val state: LiveData<TimerUiState> = _state
  
    fun settingTime() {
        _state.value = state.value.copy(isSettingTimer = true, isCountingDown = false, isRestarting = false)
    }

    fun setTime(seconds: Int) {
        _state.value = TimerUiState(seconds)
    }
}

//Observing state changes in the View
@Composable
fun TimerScreen(viewModel: TimerViewModel) {
    with(viewModel.state.observeAsState().value) { /*...*/ }
}