我尝试调试我的应用程序，但它显示以下内容：
What went wrong:
Failed to capture fingerprint of output files for task ':app:compileFlutterBuildDebugArm' property 'outputDirectory' during up-to-date check.
Could not read path 'C:Users(myuser)Documentspop_upbuildappintermediatesflutterdebugandroid-armflutter_assetsfonts'
Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option
to get more log output. Run with --scan to get full insights.
BUILD FAILED in 1s
Gradle task assembleDebug failed with exit code 1
Exited (sigterm)
命令
Flutter build bundle --target C：\Users(myuser(\Documents\pop_up\lib\main.dart --target-platform android-arm --filesystem-scheme org-dartlang-root --track-widget-creation --depfile C：\Users(myuser(\Documents\pop_up\build\app\intermediates\flutter\debug\android-arm/snapshot_blob.bin.d --asset-dir C：\Users(myuser(\Documents\pop_up\build\app\intermediates\flutter\debug\android-arm/flutter_assets --debug
例外
FileSystemException： FileSystemException： Delete失败，path = 'C：\Users(myuser(\Documents\pop_up\build\app\intermediates\flutter\debug\android-arm/flutter_assets' (OS Error： El directorio no está vacío. ， errno = 145(
#0 _Directory._deleteSync (dart:io/directory_impl.dart:206:7)
#1 FileSystemEntity.deleteSync (dart:io/file_system_entity.dart:464:47)
#2 ForwardingFileSystemEntity.deleteSync (package:file/src/forwarding/forwarding_file_system_entity.dart:72:16)
#3 writeBundle (package:flutter_tools/src/bundle.dart:181:15)
<asynchronous suspension>
#4 assemble (package:flutter_tools/src/bundle.dart:172:9)
<asynchronous suspension>
#5 BundleBuilder.build (package:flutter_tools/src/bundle.dart:115:11)
<asynchronous suspension>
#6 BuildBundleCommand.runCommand (package:flutter_tools/src/commands/build_bundle.dart:119:25)
<asynchronous suspension>
#7 FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:490:18)
<asynchronous suspension>
#8 FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:407:33)
<asynchronous suspension>
#9 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:154:29)
<asynchronous suspension>
#10 _rootRun (dart:async/zone.dart:1124:13)
#11 _CustomZone.run (dart:async/zone.dart:1021:19)
#12 _runZoned (dart:async/zone.dart:1516:10)
#13 runZoned (dart:async/zone.dart:1463:12)
#14 AppContext.run (package:flutter_tools/src/base/context.dart:153:18)
<asynchronous suspension>
#15 FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:397:20)
#16 CommandRunner.runCommand (package:args/command_runner.dart:197:27)
<asynchronous suspension>
#17 FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:402:21)
<asynchronous suspension>
#18 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:154:29)
<asynchronous suspension>
#19 _rootRun (dart:async/zone.dart:1124:13)
#20 _CustomZone.run (dart:async/zone.dart:1021:19)
#21 _runZoned (dart:async/zone.dart:1516:10)
#22 runZoned (dart:async/zone.dart:1463:12)
#23 AppContext.run (package:flutter_tools/src/base/context.dart:153:18)
<asynchronous suspension>
#24 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:356:19)
<asynchronous suspension>
#25 CommandRunner.run.<anonymous closure> (package:args/command_runner.dart:112:25)
#26 new Future.sync (dart:async/future.dart:224:31)
#27 CommandRunner.run (package:args/command_runner.dart:112:14)
#28 FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:242:18)
#29 run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:63:22)
<asynchronous suspension>
#30 _rootRun (dart:async/zone.dart:1124:13)
#31 _CustomZone.run (dart:async/zone.dart:1021:19)
#32 _runZoned (dart:async/zone.dart:1516:10)
#33 runZoned (dart:async/zone.dart:1500:12)
#34 run.<anonymous closure> (package:flutter_tools/runner.dart:61:18)
<asynchronous suspension>
#35 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:154:29)
<asynchronous suspension>
#36 _rootRun (dart:async/zone.dart:1124:13)
#37 _CustomZone.run (dart:async/zone.dart:1021:19)
#38 _runZoned (dart:async/zone.dart:1516:10)
#39 runZoned (dart:async/zone.dart:1463:12)
#40 AppContext.run (package:flutter_tools/src/base/context.dart:153:18)
<asynchronous suspension>
#41 runInContext (package:flutter_tools/src/context_runner.dart:58:24)
<asynchronous suspension>
#42 run (package:flutter_tools/runner.dart:50:10)
#43 main (package:flutter_tools/executable.dart:65:9)
<asynchronous suspension>
#44 main (file:///C:/src/flutter/packages/flutter_tools/bin/flutter_tools.dart:8:3)
#45 _startIsolate.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:303:32)
#46 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)
颤振医生
[✓] Flutter (Channel master, v1.9.1-pre.109, on Microsoft Windows [Versión 10.0.16299.1087], locale es-AR)
• Flutter version 1.9.1-pre.109 at C:srcflutter
• Framework revision ce6dedfc0c (9 hours ago), 2019-08-20 01:03:36 -0400
• Engine revision 10167db433
• Dart version 2.5.0
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.0)
• Android SDK at C:Users(myuser)AppDataLocalAndroidsdk
• Android NDK location not configured (optional; useful for native profiling support)
• Platform android-29, build-tools 29.0.0
• Java binary at: C:Program FilesAndroidAndroid Studiojrebinjava
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1343-b01)
• All Android licenses accepted.
[✓] Android Studio (version 3.4)
• Android Studio at C:Program FilesAndroidAndroid Studio
• Flutter plugin version 38.2.1
• Dart plugin version 183.6270
• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1343-b01)
[✓] VS Code (version 1.37.1)
• VS Code at C:Users(myuser)AppDataLocalProgramsMicrosoft VS Code
• Flutter extension version 3.3.0
[✓] Connected device (1 available)
• LG H440AR • LGH440ARad51902f • android-arm • Android 5.0.1 (API 21)
• No issues found!
您是否在某处删除了一些文件，比如说在您的 assets 文件夹中，以及您也在 pubspec.yaml 上引用的此类文件？ 如果是这样，这就是应用程序未生成的原因，请尝试删除对已删除文件的引用(应用程序的 pubspec.yaml 中不存在的文件(，然后再次运行项目以查看它是否成功生成。
这似乎是某种文件锁定问题...尝试打开输出中指定的路径时，Windows 资源管理器实际上返回"拒绝访问"，因此我无法访问该文件夹，也无法更改其安全性。 重新启动后，可以访问该文件夹。
什么对我有用(现在并且仅按确切顺序(：
- 在 VS Code 中打开另一个文件夹(如果正在使用它(。如果整个过程不起作用，则重新启动计算机
- "颤振清洁"命令
- 调试