我最近尝试构建我的 flutter 应用程序的网络版本。这是我第一次这样做。经过许多挑战和错误,所有问题都通过各种堆栈帖子解决,这是我当前面临的错误:
\nError: \xe2\x95\x90\xe2\x95\x90\xe2\x95\xa1 EXCEPTION CAUGHT BY SCHEDULER LIBRARY \xe2\x95\x9e\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\xe2\x95\x90\nThe following UnimplementedError was thrown during a scheduler\ncallback:\nUnimplementedError\n\nWhen the exception was thrown, this was the stack:\nC:/b/s/w/ir/cache/builder/src/out/host_debug/dart-sdk/lib/_internal/js_dev_runtime/private/ddc_runtime/errors.dart 216:49 throw_\nC:/b/s/w/ir/cache/builder/src/out/host_debug/flutter_web_sdk/lib/_engine/engine/html/scene_builder.dart 231:5 pushShaderMask\npackages/flutter/src/rendering/layer.dart 1812:26 addToScene\npackages/flutter/src/rendering/layer.dart 440:5 [_addToSceneWithRetainedRendering]\npackages/flutter/src/rendering/layer.dart 1027:14 addChildrenToScene\npackages/flutter/src/rendering/layer.dart 1013:5 addToScene\npackages/flutter/src/rendering/layer.dart 440:5 [_addToSceneWithRetainedRendering]\npackages/flutter/src/rendering/layer.dart 1027:14 addChildrenToScene\npackages/flutter/src/rendering/layer.dart 1164:5 addToScene\npackages/flutter/src/rendering/layer.dart 440:5 [_addToSceneWithRetainedRendering]\npackages/flutter/src/rendering/layer.dart 1027:14 addChildrenToScene\npackages/flutter/src/rendering/layer.dart 1164:5 addToScene\npackages/flutter/src/rendering/layer.dart 440:5 [_addToSceneWithRetainedRendering]\npackages/flutter/src/rendering/layer.dart 1027:14 addChildrenToScene\npackages/flutter/src/rendering/layer.dart 1999:5 addToScene\npackages/flutter/src/rendering/layer.dart 440:5 [_addToSceneWithRetainedRendering]\npackages/flutter/src/rendering/layer.dart 1027:14 addChildrenToScene\npackages/flutter/src/rendering/layer.dart 1164:5 addToScene\npackages/flutter/src/rendering/layer.dart 440:5 [_addToSceneWithRetainedRendering]\npackages/flutter/src/rendering/layer.dart 1027:14 addChildrenToScene\npackages/flutter/src/rendering/layer.dart 1164:5 addToScene\npackages/flutter/src/rendering/layer.dart 440:5 [_addToSceneWithRetainedRendering]\npackages/flutter/src/rendering/layer.dart 1027:14 addChildrenToScene\npackages/flutter/src/rendering/layer.dart 1609:5 addToScene\npackages/flutter/src/rendering/layer.dart 765:5 buildScene\npackages/flutter/src/rendering/view.dart 231:30 compositeFrame\npackages/flutter/src/rendering/binding.dart 458:18 …Run Code Online (Sandbox Code Playgroud)