flutter-state-managementvon flutter

Implement MVVM and Unidirectional Data Flow patterns for Flutter state management. Provides decision logic to differentiate between ephemeral state (local UI state via setState ) and app state (shared state via MVVM and provider package) Enforces strict separation of concerns: data layer (Repository as Single Source of Truth), logic layer (ViewModel extending ChangeNotifier ), and UI layer (pure functions of immutable state) Includes complete code examples for implementing the MVVM pattern...