Flutter Web：“当transitMode为rawKeyData时，永远不应该遇到KeyData。”

Question

当我在网络上运行我的项目时，异常消息和堆栈跟踪是

"Should never encounter KeyData when transitMode is rawKeyData."
    at Object.throw_ [as throw] (http://localhost:2621/dart_sdk.js:5061:11)
    at Object.assertFailed (http://localhost:2621/dart_sdk.js:4986:15)
    at hardware_keyboard.KeyEventManager.new.handleKeyData (http://localhost:2621/packages/flutter/src/services/restoration.dart.lib.js:5334:28)
    at http://localhost:2621/dart_sdk.js:160131:47
    at Object.invoke (http://localhost:2621/dart_sdk.js:179656:7)
    at _engine.EnginePlatformDispatcher.__.invokeOnKeyData (http://localhost:2621/dart_sdk.js:160131:17)
    at _engine.KeyboardBinding.__.[_onKeyData] (http://localhost:2621/dart_sdk.js:158922:49)
    at _engine.KeyboardConverter.new.handleEvent (http://localhost:2621/dart_sdk.js:159210:16)
    at http://localhost:2621/dart_sdk.js:158929:74
    at loggedHandler (http://localhost:2621/dart_sdk.js:158906:43)
Error: Assertion failed: file:///E:/flutter_windows_2.5.2-stable/flutter/packages/flutter/lib/src/services/hardware_keyboard.dart:787:16

Answer 1

尝试其中之一

flutter run -d chrome --web-renderer html

flutter 构建 web --web-renderer html

Answer 2

如果您在设备或仿真器或模拟器上遇到问题，只需关闭应用程序并再次运行即可。

就我而言，我已经在init方法中初始化了控制器，并且我更改了与控制器相关的内容，因此需要更新它。这就是为什么我们需要再次重新运行。

PS 我想重新启动应用程序，但对我不起作用。