当我在 flutter web 项目中添加一些小部件(如 ListView)时遇到此错误
我以前在使用 android 时从未遇到过这个问题
Exception has occurred.
"Error: Assertion failed: file:///D:/Android/flutter/packages/flutter/lib/src/rendering/mouse_tracking.dart:312:12
!_debugDuringDeviceUpdate
is not true
at Object.throw_ [as throw] (http://localhost:23584/dart_sdk.js:4328:11)
at Object.assertFailed (http://localhost:23584/dart_sdk.js:4275:15)
at mouse_tracking.MouseTracker.new.[_deviceUpdatePhase] (http://localhost:23584/packages/flutter/src/rendering/layer.dart.lib.js:4940:61)
at http://localhost:23584/packages/flutter/src/rendering/layer.dart.lib.js:4998:33
at mouse_tracking.MouseTracker.new.[_monitorMouseConnection] (http://localhost:23584/packages/flutter/src/rendering/layer.dart.lib.js:4935:7)
at mouse_tracking.MouseTracker.new.updateWithEvent (http://localhost:23584/packages/flutter/src/rendering/layer.dart.lib.js:4997:36)
at binding$5.WidgetsFlutterBinding.new.dispatchEvent (http://localhost:23584/packages/flutter/src/rendering/layer.dart.lib.js:5943:45)
at binding$5.WidgetsFlutterBinding.new.[_handlePointerEvent] (http://localhost:23584/packages/flutter/src/gestures/binding.dart.lib.js:257:14)
at binding$5.WidgetsFlutterBinding.new.[_flushPointerEventQueue] (http://localhost:23584/packages/flutter/src/gestures/binding.dart.lib.js:229:35)
at binding$5.WidgetsFlutterBinding.new.[_handlePointerDataPacket] (http://localhost:23584/packages/flutter/src/gestures/binding.dart.lib.js:213:65)
at Object._invoke1 (http://localhost:23584/dart_sdk.js:175453:7)
at _engine.EngineWindow.new.invokeOnPointerDataPacket (http://localhost:23584/dart_sdk.js:171307:15)
at _engine.PointerBinding.__.[_onPointerData] (http://localhost:23584/dart_sdk.js:158211:24)
at http://localhost:23584/dart_sdk.js:158585:26
at http://localhost:23584/dart_sdk.js:158557:16
at http://localhost:23584/dart_sdk.js:158310:11"
我到处寻找但没有任何线索
提前致谢
有时,资源需要重新渲染才能动态更新。所以,尝试热重启而不是热重载,或关闭应用程序并重建它。
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