我正在使用dio插件在flutter中下载文件,并在widgets中显示下载进度,同时从当前下载屏幕上执行backpress,得到下面的异常 Unhandled Exception: setState() called after dispose(): _FileDownloadCardState#537ff(lifecycle state: defunct, not mounted) 这是我的代码,其中包含一些文件验证 Future
当我按back时,屏幕消失了,但在后台,它继续工作,最终调用set state,并给出以下错误:
错误:flutter/lib/ui/ui_dart_state.cc(157)未处理的异常:在dispose():_HotelPriceScreenState#4ec39(生命周期状态:失效,未装载)之后调用的setState() E
我试图使用setState更改变量的值,但是它给了我这个错误
Unhandled Exception: setState() called after dispose(): _SplashState#27d6ethe dispose() callback.E/flutter (12289): This error might indicate a memory leak if setState() is being called because another
在单击“注册”页面上的“注册”按钮后,我试图实现加载栏,然后得到了此错误,无法在单击按钮后找到显示加载栏的方法 [ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: setState() called after dispose(): _AdminRegisterState#f3c8f(lifecycle state:
我正在计算用户的刷卡次数,当它在控制台中打印出来时,它确实会被计算在内,但在刷卡后,我得到了这个错误:-
[ERROR:flutter/lib/ui/ui_dart_state.cc(186)] UnhandledException: setState() called after dispose(): _HomeState#990d2(lifecycle state: defunct, not mountedThe preferred solution is to ca