qq_43536071的博客

flutter遇到循环页面渲染例如 return ListView(children: <Widget>[ Text("fds"); ],)需要循环许多相同布局在children: 里实现return ListView(children: objs.map<Widget>((item){ return Text();})).toList();注意:objs一定为list类型，dart语法中list就是数组.map一定得指明

flutter的Navigator 跳转不了页面错误Navigator operation requested with a context that does not include a Navigator.问题void main() => runApp(MyApp()); //入口//-------Widget build(BuildContext context) { //主结构 return MaterialApp( //问题所在 child: