但是,我在以前的UI中只做了很少的改动。然而,到目前为止,所有的浏览都做得很好。所以,让我解释一下我所做的。因为我找不到这个问题的确切根源。首先,我有一个带抽屉的主屏幕。我已经做了几次尝试来解决这个在互联网上解决的问题。*实现选项卡的PageStorage *添加对控制器的处置*第三个屏幕的MetirialApp,而不是容器,列.() or markNeedsBuild() called during build.The widget on which setState() or markNeedsBuild</e
我正在尝试将首次按钮设置为禁用,当用户输入它被启用的金额时,按钮禁用工作正常,但当我在TextFormField中输入金额时,它给出以下错误。was thrown building I/flutter (29519): setState() or markNeedsBuild() called during build.I/flutter (29519): The widget on which
从Firebase Cloud加载帖子时显示错误..我在我的应用程序中使用providerThe following assertion was thrown while dispatching notifications for PostFunctions:
setState() or markNeedsBuild() called during build.
ubicacionesProvider.setlongitudActual(longitudData)The following assertion was thrown while dispatching notifications for UbicacionesProvider:
setState() or markNeedsBuild() c
我在这个dart文件中收到了这个错误“在构建期间调用了setState()或markNeedsBuild()”。在这里,我调用一个Futurebuilder来获取getUser()身份验证信息,基本上我是在检查用户是否已经登录,然后我将进入相应的屏幕。 我正在粘贴代码以供参考。谢谢。═══════════════
The following assertion was thrown while dispatching notifica
除了在构建时抛出以下异常之外,所有功能都运行得很好:
The following assertion was thrown while dispatching notifications for DatePickModel: setState() or markNeedsBuild() called during build.