gistfile1.txt

initViewModel
infoRepository = InfoRepository()
val map = HashMap<String, ViewModel>()
map[InfoViewModel::class.java.simpleName] = InfoViewModel(infoRepository)
infoFactory = InfoFactory(map)
infoViewModel = ViewModelProviders.of(this, infoFactory).get(InfoViewModel::class.java)

InfoFactory
class InfoFactory(private var map : HashMap<String, ViewModel>) : ViewModelProvider.Factory {

    override fun <T : ViewModel> create(@NonNull modelClass: Class<T>): T {
        if (map[modelClass.simpleName] != null) {
            return map[modelClass.simpleName] as T
        }
        throw IllegalArgumentException("Unknown ViewModel class")
    }
}