我是flutter的新手,每次运行应用程序时都会遇到错误: ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
The following NoSuchMethodError was thrown building DataList(dirty, dependencies我打印了stores.length,它返回了6,但是不管是什么原因,应用程序找到了一个null并抛出了一个
在Android上以调试模式运行Flutter应用程序。按back按钮关闭应用程序,然后使用任务切换程序切换回应用程序。然后执行热重新加载。flutter_tools将抛出一个异常:
Exception from flutter run: NoSuchMethodError: Class 'NoSuchMethodError' has noReceiver: Instance of 'NoSuchMethodError&
我在尝试从云中获取用户数据时遇到此错误_firestore,但只有当用户第一次登录到应用程序并导航到个人资料屏幕时,它才会给我这个错误。如果我在登录状态下热重启或重新运行应用程序,错误就会消失..。flutter: ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══
flutter: The following NoSuchMethodError was thrown[]' was called on n
我在服务中使用的代码是: //This is a class where I have all the services of firebaseColors.black, fontWeight: FontWeight.bold, ) ...以下是错误消息:
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