Tech article
Flutter App Architecture Guide: Clean Architecture with BLoC & Repository Pattern (2025)
Community description: How to structure scalable Flutter applications using Clean Architecture, the BLoC pattern, and the Repository pattern for testable, maintainable iOS & Android apps.
Dev.to | Sep 14, 2026 | Abin S Chandran
Automated excerpt
Each layer only communicates downward — the Presentation layer calls Domain, Domain calls Data, never the reverse. │ │ └── usecases/ # GetOrders, CreateOrder, etc. 1. Data Layer: Repository Implementation & DTOs 3. Presentation Layer: BLoC State Management final result = await getOrders(GetOrdersParams(customerId: event. customerId)); Setting up Flutter Clean Architecture correctly from the start saves thousands of hours of refactoring later.
Selected automatically from source text; not independently written or fact-checked. Read the original for full context.