颤抖的医生
FileSystemException：FileSystemException：无法打开文件，路径='C：\ Users \ class \ AppData \ Local \ Programs \ Microsoft VS Code \ resources \ app \ package.json'（操作系统错误：该进程无法访问该文件，因为它正在被另一个进程使用。 ，errno = 32）
#0 _File.throwIfError (dart:io/file_impl.dart:635:7)
#1 _File.openSync (dart:io/file_impl.dart:479:5)
#2 _File.readAsBytesSync (dart:io/file_impl.dart:539:18)
#3 _File.readAsStringSync (dart:io/file_impl.dart:584:18)
#4 ForwardingFile.readAsStringSync (package:file/src/forwarding/forwarding_file.dart:103:16)
#5 ForwardingFile.readAsStringSync (package:file/src/forwarding/forwarding_file.dart:103:16)
#6 VsCode._getVersionFromPackageJson (package:flutter_tools/src/vscode/vscode.dart:266:64)
#7 new VsCode.fromDirectory (package:flutter_tools/src/vscode/vscode.dart:68:34)
#8 VsCode._findInstalled (package:flutter_tools/src/vscode/vscode.dart:247:28)
#9 VsCode._installedWindows (package:flutter_tools/src/vscode/vscode.dart:209:12)
#10 VsCode.allInstalled (package:flutter_tools/src/vscode/vscode.dart:98:14)
#11 VsCodeValidator.installedValidators (package:flutter_tools/src/vscode/vscode_validator.dart:20:10)
#12 _DefaultDoctorValidatorsProvider.validators (package:flutter_tools/src/doctor.dart:77:26)
#13 Doctor.validators (package:flutter_tools/src/doctor.dart:170:46)
#14 Doctor.startValidatorTasks (package:flutter_tools/src/doctor.dart:176:45)
#15 Doctor.diagnose (package:flutter_tools/src/doctor.dart:282:47)
#16 DoctorCommand.runCommand (package:flutter_tools/src/commands/doctor.dart:59:47)
#17 FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:860:18)
#18 _rootRunUnary (dart:async/zone.dart:1198:47)
#19 _CustomZone.runUnary (dart:async/zone.dart:1100:19)
#20 _FutureListener.handleValue (dart:async/future_impl.dart:143:18)
#21 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:696:45)
#22 Future._propagateToListeners (dart:async/future_impl.dart:725:32)
#23 Future._completeWithValue (dart:async/future_impl.dart:529:5)
#24 Future._asyncCompleteWithValue.<anonymous closure> (dart:async/future_impl.dart:567:7)
#25 _rootRun (dart:async/zone.dart:1190:13)
#26 _CustomZone.run (dart:async/zone.dart:1093:19)
#27 _CustomZone.runGuarded (dart:async/zone.dart:997:7)
#28 _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1037:23)
#29 _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#30 _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
#31 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:118:13)
#32 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:169:5)
[✓] Flutter (Channel stable, 1.20.2, on Microsoft Windows [Version 10.0.18362.1016], locale en-US)
• Flutter version 1.20.2 at C:\src\flutter
• Framework revision bbfbf1770c (6 days ago), 2020-08-13 08:33:09 -0700
• Engine revision 9d5b21729f
• Dart version 2.9.1
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
• Android SDK at C:\Users\class\AppData\Local\Android\sdk
• Platform android-29, build-tools 29.0.2
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
• All Android licenses accepted.
[✓] Android Studio (version 4.0)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin version 47.0.2
• Dart plugin version 193.7361
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
[✓] VS Code
• VS Code at C:\Users\class\AppData\Local\Programs\Microsoft VS Code
• Flutter extension version 3.13.2
[✓] Connected device (1 available)
• AOSP on IA Emulator (mobile) • emulator-5554 • android-x86 • Android 9 (API 28) (emulator)
• No issues found!