I’ve seen a few things now where you are trying to inject a viewModel using hilt navigation and it is giving errors.
This question is the most similar.
I have an abstract viewModel which is being inherited by 5 different viewmodels and the viewModel is scoped to the backstack. Everything works fine on the emulator and an real device, just not in UI tests.
Here is the abstract viewModel:
abstract class ProposeNewGoalViewModel : ViewModel() {
private val proposedGoalUiDataInit = ProposedGoalUiData(
targetAmount = null,
startYear = LocalDateTime.now().year.toString(),
singleOrRecurring = SingleOrRecurring.SINGLE,
goalName = null,
wantWishOrNeed = WantWishOrNeed.NEED,
yearCareProvidedStart = LocalDateTime.now().year.toString()
)
open fun resetState() {
......
}
//methods
.......
}
Here is one of the viewModels:
@HiltViewModel
class Category1OneTimeOrRecurringViewModel @Inject constructor() : ProposeNewGoalViewModel() {
override fun resetState() {
super.resetState()
showRecurrenceFormFields.update { false }
onTargetAmountChanged("")
onStartYearChanged("")
onFrequencyChanged("")
onNumberOfOccurrencesChanged("")
}
}
So nothing earth shattering. Here’s where I get the error in my androidTest:
@AndroidEntryPoint
class GoalsFragment() {
@AndroidEntryPoint
class GoalsFragment : BaseFragment() {
.......
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View {
return ComposeView(requireActivity()).apply {
setViewCompositionStrategy(ViewCompositionStrategy.DisposeOnViewTreeLifecycleDestroyed)
setContent {
GoalsNav(
goalsViewModel = goalsViewModel,
proposeNewGoalViewModel = proposeNewGoalScreenViewModel,
popBackStack = { activity?.finish() },
navigateToAccounts = {
landingViewModel.performNavigationSubject.onNext(R.id.accounts)
},
navigateToMyTeamMessage = { messageType ->
findNavController().navigateSafe(
R.id.action_goalsLanding_to_myTeamNewMessage,
MyTeamNewMessageFragmentArgs(
messageType
).toBundle()
)
},
fragmentNavController = findNavController()
)
}
}
}
}
@SuppressLint("NavigateSafe")
@Composable
fun GoalsNav(
goalsViewModel: GoalsViewModel,
proposeNewGoalViewModel: ProposeNewGoalScreenViewModel,
navController: NavHostController = rememberNavController(),
popBackStack: () -> Unit,
navigateToAccounts: () -> Unit,
navigateToMyTeamMessage: (MyTeamMessageType) -> Unit,
fragmentNavController: NavController
) {
EJTheme {
NavHost(
navController = navController,
startDestination = GOALS_ROUTE
) {
////////////////////THIS WORKS FINE IN TEST
composable(route = PROPOSE_NEW_GOAL_ROUTE) { backStackEntry ->
ProposeNewGoalScreen(
viewModel = hiltViewModel<ProposeNewGoalScreenViewModel>(backStackEntry),
navigateBack = { navController.popBackStack() },
onNavigateToGoalType = {
navController.navigate(
"$FILL_OUT_PROPOSED_NEW_GOAL_ROUTE/${it.goalType}"
)
},
)}
/////////////////ILLEGAL STATE
composable(route = "$FILL_OUT_PROPOSED_NEW_GOAL_ROUTE/{$PROPOSE_GOAL_TYPE_ARG}") { backStackEntry ->
val goalTypeArg =
backStackEntry.arguments?.getString(PROPOSE_GOAL_TYPE_ARG)?.toInt()
val selectedGoalTypeEnum = goalTypeArg?.let { GoalType.getGoal(it) }
val proposeNewGoal = selectedGoalTypeEnum?.let { ProposeNewGoal.getGoalBasedOnGoalType(it) }
val proposeNewGoalViewModelForForm = when (proposeNewGoal?.category) {
Category.CATEGORY_1_SINGLE_OR_REOCCURRING -> {
hiltViewModel(backStackEntry) as Category1OneTimeOrRecurringViewModel. ///////error happens here
}
Category.CATEGORY_2_EDUCATION -> {
hiltViewModel(backStackEntry) as Category2EducationViewModel
}
Category.CATEGORY_3_SINGLE_OCCURRENCE -> {
hiltViewModel(backStackEntry) as Category3SingleTimeViewModel
}
Category.CATEGORY_4_PROVIDE_CARE -> {
hiltViewModel(backStackEntry) as Category4ProvideCareViewModel
}
Category.CATEGORY_5_BEQUEST -> {
hiltViewModel(backStackEntry) as Category5LeaveBequestViewModel
}
null -> hiltViewModel(backStackEntry) as Category1OneTimeOrRecurringViewModel
}
ProposeNewGoalForm(
viewModel = proposeNewGoalViewModelForForm,
navigateBack = { navController.navigate(PROPOSE_NEW_GOAL_ROUTE) { popUpTo(PROPOSE_NEW_GOAL_ROUTE) { inclusive = true } } },
onNavigateBackToGoals = navigateToGoals,
validateForm = {
proposeNewGoalViewModelForForm.validateForm()
},
selectedGoalType = goalTypeArg,
onNavigateToConfirmation = { navController.navigate("$FILL_OUT_PROPOSED_NEW_GOAL_ROUTE_CONFIRMATION/$goalTypeArg") },
)
}
}
}
I tried making the abstract class an open class with HiltViewModel and no dice. I think it’s a bug.
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