标签: flutter-modular

我遇到以下错误“错误状态：调用关闭后无法添加新事件”当我第二次返回主页并访问 ProductsPage 时，

第一次产品也会加载\n但是当我尝试再次加载ProductsPage 时，会抛出此错误。

import 'package:flutter/material.dart';\nimport 'package:flutter_bloc/flutter_bloc.dart';\nimport 'package:flutter_modular/flutter_modular.dart';\n\nimport '../../widgets/product_display.dart';\nimport '../../widgets/title_section.dart';\nimport '../home_page/components/button_menu.dart';\nimport 'bloc/products_bloc.dart';\nimport 'bloc/products_event.dart';\nimport 'bloc/products_state.dart';\n\nclass ProductsPage extends StatefulWidget {\n  const ProductsPage({Key? key}) : super(key: key);\n\n  @override\n  State<ProductsPage> createState() => _ProductsPageState();\n}\n\nclass _ProductsPageState extends State<ProductsPage> {\n  final bloc = Modular.get<ProductsBloc>();\n\n  @override\n  void initState() {\n    super.initState();\n    bloc.add(LoadProductsEvent());\n  }\n\n  @override\n  void dispose() {\n    super.dispose();\n    bloc.close();\n    \n  }\n\n  @override\n  Widget build(BuildContext context) {\n    return Scaffold(\n      appBar: AppBar(\n        title: const Text('Produtos'),\n      ),\n      body: SafeArea(\n        child: SingleChildScrollView(\n            child: Padding(\n          padding: const EdgeInsets.all(10.0),\n          child: …