Support falling back to factory on platforms without AndroidX ViewModel

[jadar]

Is your feature request related to a problem? Please describe. I specify my ViewModel modules differently on iOS and Android. On Android, I want the viewModel<> specifier. However, on iOS (I am using SwiftUI) I want this to be a normal factory<> specifier.

Describe the solution you'd like I'd like to be able to make the @ViewModel annotation fall back to @Factory on platforms that doesn't support viewModel natively.

BaseViewModel.kt

expect abstract class BaseViewModel()

BaseViewModel.ios.kt

actual abstract class BaseViewModel()

BaseViewModel.ios.kt

import androidx.lifecycle.ViewModel
actual abstract class BaseViewModel actual constructor(): ViewModel()

MyViewModel.kt

@FactoryViewModel
class MyViewModel: BaseViewModel()

@Module
@ComponentScan
class MyModule

Describe alternatives you've considered I can do this with an expect/actual module with pure Koin.

ViewModelModule.ios.kt

actual object MyModule {
  val module = module {
    factory<MyViewModel> { MyViewModel() }
  }
}

ViewModelModule.android.kt

actual object MyModule {
  val module = module {
    viewModel<MyViewModel> { MyViewModel() }
  }
}

Target Koin project koin-annotations

[arnaudgiuliani]

could be an option

[stale[bot]]

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