2a29701f
 liangchengyou
feat:提交代码
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import 'package:bloc/bloc.dart';
import 'package:meta/meta.dart';
part 'tab_event.dart';
part 'tab_state.dart';
class TabBloc extends Bloc<TabEvent, TabState> {
TabBloc() : super(const TabState()) {
on<UpdateTabIndexEvent>(_onUpdateTabIndex);
}
void _onUpdateTabIndex(
UpdateTabIndexEvent event, Emitter<TabState> emitter) async {
emitter(state.copyWith(index: event.index));
}
}
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