Flutter Mobx在构建器函数中未检测到可观察到的事物

Question

嗨，我对测试加载状态很简单。

abstract class _AccountStore with Store {
  @observable
  bool loadingButtonStatus = false;


  @observable
  bool get loading => loadingButtonStatus;


  @action
  Future updateAccount(formData) async {
    loadingButtonStatus = true;

    Future.delayed(Duration(milliseconds: 2000)).then((future) {
      loadingButtonStatus = false;
    }).catchError((e) {
      loadingButtonStatus = false;
      print(e);
    });
  }
}

这是我的小部件

AccountStore store = AccountStore();

Observer(
  name: 'loading_button',
  builder: (_) => LoadingButton(
        loading: store.loading,
        text: Text('Save'),
        onPressed: () {
          store.updateAccount({});
        },
))

但是每次我运行代码时，它总会返回我：There are no observables detected in the builder function

我尝试过更改用法store.loadingButtonStatus仍然相同。

任何解决方案？

谢谢。

Answer 1

如果使用吸气剂，则必须使用@computed。

  @observable
  bool _loadingButtonStatus = false;


  @computed
  bool get loading => _loadingButtonStatus;