但是,当我尝试向onTap: (){} Widget中的ExpansionTile添加诸如_buildList的方法时,我得到了以下错误
Error: No named parameter withthe name 'onTap'. onTap: (){}, ^^^^^ /C:/src/flutter/packages/flutter/lib/src/material/expansion_tile.dartFound this c
在使用Firebase Firestore时,我遇到了以下错误:
E/flutter ( 4477): [ERROR:flutter/shell/common/shell.cc(93)] Dart UnhandledException: type 'Future<Group>' is not a subtype of type 'Group', stack trace: #0 new List.from&
我需要在flutter路由环境中初始化Fiberbese应用程序final Future<FirebaseApp> _initialization = Firebase.initializeApp(); initialRoute:<**Replace this with a string after future returns**>,SoundTester.Id :(context) => SoundT