element-android/docs/hilt_migration.md
2021-10-22 11:30:21 +02:00

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Hilt is built on top of Dagger 2 and simplify usage by removing needs to create components manually.

When you create a new feature, you should have the following:

Annotate your Activity with @AndroidEntryPoint If you have a BottomSheetFragment => Annotate it with @AndroidEntryPoint Otherwise => Add your Fragment to the FragmentModule Add your ViewModel.Factory to the MavericksViewModelModule Makes sure your ViewModel as the following code:

 @AssistedFactory
    interface Factory: MavericksAssistedViewModelFactory<MyViewModel, MyViewState> {
        override fun create(initialState: MyViewState): MyViewModel
    }

    companion object : MavericksViewModelFactory<MyViewModel, MyViewState> by hiltMavericksViewModelFactory()

Some remarks

@MavericksViewModelScope dependencies can't be injected inside Fragments/Activities You can only inject @Singleton, @MavericksViewModelScope or unscoped dependencies inside Maverick ViewModels You can access some specific dependencies from Singleton component by using

context.singletonEntryPoint()

Be aware that only the app has been migrated to Hilt and not the SDK.