Flutter crash report; please file at https://github.com/flutter/flutter/issues.

## command

flutter build bundle --suppress-analytics --target C:\Users\Administrator\StudioProjects\flyandroid\lib\main.dart --preview-dart-2 --depfile C:\Users\Administrator\StudioProjects\flyandroid\build\app\intermediates\flutter\debug/snapshot_blob.bin.d --asset-dir C:\Users\Administrator\StudioProjects\flyandroid\build\app\intermediates\flutter\debug/flutter_assets

## exception

FileSystemException: FileSystemException: Exists failed, path = 'C:\Users\Administrator\StudioProjects\flyandroid\build\app\intermediates\flutter\debug/flutter_assets' (OS Error: 拒绝访问。

, errno = 5)

```

#0 _Directory.existsSync (dart:io/directory_impl.dart:101)

#1 _Directory.createSync (dart:io/directory_impl.dart:133)

#2 LocalFileSystemEntity&ForwardingDirectory.createSync (package:file/src/forwarding/forwarding_directory.dart:22)

#3 writeBundle (package:flutter_tools/src/bundle.dart:184)

<asynchronous suspension>

#4 assemble (package:flutter_tools/src/bundle.dart:176)

<asynchronous suspension>

#5 build (package:flutter_tools/src/bundle.dart:109)

<asynchronous suspension>

#6 BuildBundleCommand.runCommand (package:flutter_tools/src/commands/build_bundle.dart:72)

<asynchronous suspension>

#7 FlutterCommand.verifyThenRunCommand (package:flutter_tools/src/runner/flutter_command.dart:344)

<asynchronous suspension>

#8 FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:279)

<asynchronous suspension>

#9 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142)

<asynchronous suspension>

#10 _rootRun (dart:async/zone.dart:1126)

#11 _CustomZone.run (dart:async/zone.dart:1023)

#12 runZoned (dart:async/zone.dart:1501)

#13 AppContext.run (package:flutter_tools/src/base/context.dart:141)

<asynchronous suspension>

#14 FlutterCommand.run (package:flutter_tools/src/runner/flutter_command.dart:270)

#15 CommandRunner.runCommand (package:args/command_runner.dart:194)

<asynchronous suspension>

#16 FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:309)

<asynchronous suspension>

#17 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142)

<asynchronous suspension>

#18 _rootRun (dart:async/zone.dart:1126)

#19 _CustomZone.run (dart:async/zone.dart:1023)

#20 runZoned (dart:async/zone.dart:1501)

#21 AppContext.run (package:flutter_tools/src/base/context.dart:141)

<asynchronous suspension>

#22 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:265)

<asynchronous suspension>

#23 CommandRunner.run.<anonymous closure> (package:args/command_runner.dart:109)

#24 new Future.sync (dart:async/future.dart:222)

#25 CommandRunner.run (package:args/command_runner.dart:109)

#26 FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:174)

#27 run.<anonymous closure> (package:flutter_tools/runner.dart:59)

<asynchronous suspension>

#28 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:142)

<asynchronous suspension>

#29 _rootRun (dart:async/zone.dart:1126)

#30 _CustomZone.run (dart:async/zone.dart:1023)

#31 runZoned (dart:async/zone.dart:1501)

#32 AppContext.run (package:flutter_tools/src/base/context.dart:141)

<asynchronous suspension>

#33 runInContext (package:flutter_tools/src/context_runner.dart:43)

<asynchronous suspension>

#34 run (package:flutter_tools/runner.dart:50)

#35 main (package:flutter_tools/executable.dart:49)

<asynchronous suspension>

#36 main (file:///E:/b/build/slave/Windows_Flutter_Packaging/build/archive/flutter/packages/flutter_tools/bin/flutter_tools.dart:8)

#37 _startIsolate.<anonymous closure> (dart:isolate-patch/dart:isolate/isolate_patch.dart:277)

#38 _RawReceivePortImpl._handleMessage (dart:isolate-patch/dart:isolate/isolate_patch.dart:165)

```

## flutter doctor

```

[✓] Flutter (Channel beta, v0.5.1, on Microsoft Windows [Version 6.1.7601], locale zh-CN)

• Flutter version 0.5.1 at F:\flutter

• Framework revision c7ea3ca377 (9 weeks ago), 2018-05-29 21:07:33 +0200

• Engine revision 1ed25ca7b7

• Dart version 2.0.0-dev.58.0.flutter-f981f09760

[!] Android toolchain - develop for Android devices (Android SDK 27.0.3)

• Android SDK at E:\SDK

• Android NDK location not configured (optional; useful for native profiling support)

• Platform android-27, build-tools 27.0.3

• ANDROID_HOME = E:\SDK

• Java binary at: E:\Android Studio3.1\jre\bin\java

• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b02)

! Some Android licenses not accepted. To resolve this, run: flutter doctor --android-licenses

[✓] Android Studio (version 2.3)

• Android Studio at E:\Android Studio

✗ Flutter plugin not installed; this adds Flutter specific functionality.

✗ Dart plugin not installed; this adds Dart specific functionality.

• Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)

[✓] Android Studio (version 3.0)

• Android Studio at E:\Android Studio3.0

✗ Flutter plugin not installed; this adds Flutter specific functionality.

✗ Dart plugin not installed; this adds Dart specific functionality.

• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-915-b01)

[✓] Android Studio (version 3.1)

• Android Studio at E:\Android Studio3.1

• Flutter plugin version 26.0.1

• Dart plugin version 173.4700

• Java version OpenJDK Runtime Environment (build 1.8.0_152-release-1024-b02)

[✓] Connected devices (1 available)

• MI 5s Plus • eb6cac0 • android-arm64 • Android 7.0 (API 24)

! Doctor found issues in 1 category.

```