savedstate_viewmodelfactory_common_dagger.kt

class ViewModelFactory @Inject constructor(
    private val creators: MutableMap<Class<out ViewModel>, Provider<ViewModel>>
) : ViewModelProvider.Factory {
    override fun <T : ViewModel> create(modelClass: Class<T>): T {
        return creators[modelClass]?.get() as? T 
            ?: throw IllegalArgumentException("The requested ViewModel isn't bound") 
    }
}