wf-flutter-create-controller-method

To separate business logic from UI in Flutter, use a dedicated controller to own UI state, encapsulate side effects, and expose data streams. This ensures widgets remain pure and presentation logic is centralized and testable.

To manage controller lifecycle and dispose resources in Flutter, implement the Disposable pattern. This maintains resource hygiene by properly cleaning up side effects and stream subscriptions when the controller is no longer in use.

Yes, you can use GetIt to wire a Flutter controller for dependency injection. The controller supports DI wiring via GetIt, allowing you to scaffold a new feature controller and register it for proper dependency management.

The best way to expose asynchronous data flows to Flutter widgets is through StreamValue exposure. By encapsulating side effects within a controller, you provide a stable API and stream data to widgets without coupling UI logic to data sources.

Flutter state management breaks across screen boundaries when presentation logic lacks a testable contract. Using a dedicated controller ensures stable API exposure and proper state ownership, maintaining data flow consistency across routes.

Yes, you can use a dedicated controller for complex UI logic in Flutter. It applies to features requiring asynchronous data flows, side effect encapsulation, and testable presentation-layer contracts across screen boundaries.