android-clean-architecture

To enforce clean architecture module boundaries in Android and Kotlin Multiplatform projects, separate your codebase into app, core, domain, data, and presentation modules with strict dependency rules preventing the domain layer from depending on data or presentation.

The best way to structure UseCase and Repository patterns for Android is to isolate business logic in the domain layer and data access in the data layer, ensuring your UseCases rely on Repository interfaces to maintain testability and enforce separation of concerns.

Your Android domain layer depends on data and presentation modules due to tangled dependencies lacking strict boundary enforcement, which you fix by applying dependency rules that keep the domain layer isolated and prevent it from importing data or presentation components.

Yes, you can apply clean architecture patterns for Kotlin Multiplatform module separation by structuring shared code into core, domain, and data modules, enforcing UseCase and Repository patterns to drive testable business logic across platforms.

You need to implement strict module boundaries and data layer design constraints in Android when your project suffers from tangled dependencies that complicate maintenance, testing, and onboarding, requiring clear separation of concerns across app, core, domain, data, and presentation layers.