loading |
loaded |
isLoading=true, data=[] |
isLoading=false, data=[1,2,3] |
|
|
class HomePageState {
const HomePageState({this.isLoading = false, this.data = const []});
final bool isLoading;
final List<int> data;
}
class HomePageController extends StateNotifier<HomePageState> {
HomePageController() : super(const HomePageState());
load() async {
state = HomePageState(isLoading: true, data: state.data);
await Future.delayed(Duration(seconds: 3));
state = HomePageState(isLoading: false, data: [1, 2, 3] + state.data);
}
}