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flutter-getx-state-management

Implement reactive state with GetX controllers, bindings, and observables in Flutter. Use when managing app state with GetxController, Obx, GetBuilder, or dependency lifecycle—not unit tests for existing controllers.

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包含的文件(3)

  • SKILL.md2.1 KB
  • evals/evals.json2.3 KB
  • references/controller-example.md432 B

SKILL.md(原文)

安装前可以查看交给 AI 代理的指令内容。

GetX State Management

Priority: P0 (CRITICAL)

Structure

lib/app/modules/home/
├── controllers/
│   └── home_controller.dart
├── bindings/
│   └── home_binding.dart
└── views/
    └── home_view.dart

Implementation Guidelines

  • Controllers: Extend GetxController. Store logic and state variables here.
  • Reactivity:
  • Use .obs for observable variables (e.g., final count = 0.obs;).
  • Wrap UI in Obx(() => ...) to listen for changes.
  • For simple state, use update() in controller and GetBuilder in UI.
  • Dependency Injection:
  • Bindings: Use Bindings class to decouple DI from UI.
  • Lazy Load: Prefer Get.lazyPut(() => Controller()) in Bindings.
  • Lifecycle: Let GetX handle disposal. Avoid permanent: true.
  • Hooks: Use onInit(), onReady(), onClose() instead of initState/dispose.
  • Architecture: Use get_cli for modular MVVM (data, models, modules).

Anti-Patterns

  • Ctx in Logic: Pass no BuildContext to controllers.
  • Inline DI: Avoid Get.put() in widgets; use Bindings + Get.find.
  • Fat Views: Keep views pure UI; delegate all logic to controller.

Code Example

See references/controller-example.md for controller + view implementation pattern.

Related Topics

getx-navigation | layer-based-clean-architecture | dependency-injection

Controller boundary

  • Keep BuildContext out of controllers. Use GetX services such as Get.snackbar for controller-owned feedback and expose reactive state to the view.

Remediation anchors

  • Remediation anchors: onInit, Obx, no BuildContext in the controller

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