Migrating A 10k-line Flutter App To Clean Architecture: Challenges
Migration challenge: 10k-line Flutter app to Clean Architecture. Violated Separation of Concerns, singletons, and mixed responsibilities causing architectural ambiguity, state management chaos, testing nightmares & more. Stay tuned for solutions!
The Challenge I'm currently undertaking an ambitious project: migrating a 10,000-line Flutter application to Clean Architecture. This first post in a series documents the challenges I've encountered, with solutions coming in the follow-up post. Core Issues The primary challenge stems from violated Separation of Concerns principles. The codebase has become a tangled web where business logic, backend calls, and UI code coexist within the same files. To make matters worse, singletons appear frequently (I'll address why this is problematic in a dedicated post). Before: The Prob...