ViewModel.kt

class MainViewModel(repo:Repo):ViewModel() {

    val fetchVersionCode = liveData(Dispatchers.IO) {
        emit(Resource.Loading())

        try{
            repo.getVersionCode().collect {
                emit(it)
            }

        }catch (e: Exception){
            emit(Resource.Failure(e))
            Log.e("ERROR:",e.message)
        }
    }
}