MVIJetpackComposeViewModel.kt

class MVIJetpackComposeViewModel : ViewModel() {
    private val _jetpackComposeViewState = MutableLiveData<MVIJetpackComposeViewState>()
    private val useCase = UseCase()
    val jetpackComposeViewState: LiveData<MVIJetpackComposeViewState>
        get() = _jetpackComposeViewState
   
    init {
        loadData()
    }

    fun loadData() {
        // fetch data from wherever you want
        useCase.loadData()
            .doOnSubscribe {
                _jetpackComposeViewState.postValue(MyViewState.Loading)
            }
            .observe(
                { response ->
                    _jetpackComposeViewState.postValue(MyViewState.Success(response.title))
                },
                { error ->
                    _jetpackComposeViewState.postValue(
                        MyViewState.Error(error.reason, ::loadData)
                    )
                }
            )
    }

}