小编Bob*_*obo的帖子

在我的 Flutter 应用程序中，我使用 GetxController 作为每个视图的 viewModel：

import \'package:flutter/material.dart\';\nimport \'package:get/get.dart\';\n\nimport \'track_activity_view_model.dart\';\n\n// Main widget of the view\nclass TrackActivityView extends StatelessWidget {\n  @override\n  Widget build(BuildContext context) {\n    return GetBuilder<TrackActivityViewModel>(\n        init: TrackActivityViewModel(),\n        builder: (viewModel) {\n          return SafeArea(\n              child: Scaffold(\n            appBar: AppBar(title: Text(\'Registra un\\\'attivit\xc3\xa0\')),\n            body: viewModel.serviceEnabled\n                ? AskPermissionWidget()\n                : TrackingWidget(viewModel),\n          ));\n        });\n  }\n}\n\nclass AskPermissionWidget extends StatelessWidget {\n  @override\n  Widget build(BuildContext context) {\n    return GetBuilder<TrackActivityViewModel>(\n        init: TrackActivityViewModel(),\n        builder: (viewModel) {\n          // Some code that use viewModel\n          return Container();\n        });\n  }\n}\n\nclass TrackingWidget extends StatelessWidget {\n  final …