如何解决“异常：Gradle 任务 assembleDebug 失败，退出代码 1”？
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【中文标题】如何解决“异常：Gradle 任务 assembleDebug 失败，退出代码 1”？【英文标题】：How to resolve "Exception: Gradle task assembleDebug failed with exit code 1"? 【发布时间】：2021-12-06 05:29:40 【问题描述】：Flutter 版本：2.6.0-12.0.pre.381
飞镖版本：2.15.0
Gradle 版本：distributionUrl=https://services.gradle.org/distributions/gradle-6.7-all.zip
在 pubspec.yaml 中，我有这些包：
environment:
sdk: ">=2.12.0 <3.0.0"
dependencies:
flutter:
sdk: flutter
# The following adds the Cupertino Icons font to your application.
# Use with the CupertinoIcons class for ios style icons.
splashscreen: ^1.2.0
bottom_navy_bar:
cupertino_icons: ^1.0.2
image_picker: ^0.8.0+4
fluttertoast: ^8.0.7
shared_preferences: ^2.0.6
share: ^2.0.4
flutter_barcode_scanner: ^2.0.0-nullsafety.0
dropdown_search: ^1.0.0
syncfusion_flutter_pdfviewer:
ndialog: ^4.1.0
flutter_pdfview: ^1.0.4
http: ^0.13.3
dio: ^4.0.0
path_provider: ^2.0.3
downloads_path_provider_28: ^0.1.2
permission_handler: ^8.1.4+2
open_file: ^3.2.1
flutter_local_notifications: ^9.0.0
相同的包正在另一个项目中工作。 有关如何解决问题的任何建议。我认为这是由于 build.graddle 中的一些错误。
我已将 build.gradle 中的 minSdkVersion 和 targetSdkVersion 更改如下：
minSdkVersion 23
targetSdkVersion 29
multiDexEnabled true
运行项目时显示错误：
Launching lib\main.dart on SM M205F in debug mode...
Running Gradle task 'assembleDebug'...
Note: C:\flutter\.pub-cache\hosted\pub.dartlang.org\downloads_path_provider_28-0.1.2\android\src\main\java\it\nplace\downloadspathprovider\DownloadsPathProviderPlugin.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use or override a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: Some input files use unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
Note: C:\flutter\.pub-cache\hosted\pub.dartlang.org\image_picker-0.8.4+2\android\src\main\java\io\flutter\plugins\imagepicker\ImagePickerDelegate.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionManager.java:58: error: cannot find symbol
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R)
^
symbol: variable R
location: class VERSION_CODES
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionManager.java:59: error: cannot find symbol
status = Environment.isExternalStorageManager()
^
symbol: method isExternalStorageManager()
location: class Environment
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionManager.java:254: error: cannot find symbol
if (permission == PermissionConstants.PERMISSION_GROUP_MANAGE_EXTERNAL_STORAGE && Build.VERSION.SDK_INT < Build.VERSION_CODES.R)
^
symbol: variable R
location: class VERSION_CODES
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionManager.java:268: error: cannot find symbol
else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R && permission == PermissionConstants.PERMISSION_GROUP_MANAGE_EXTERNAL_STORAGE)
^
symbol: variable R
location: class VERSION_CODES
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionManager.java:270: error: cannot find symbol
Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION,
^
symbol: variable ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION
location: class Settings
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionManager.java:321: error: cannot find symbol
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S)
^
symbol: variable S
location: class VERSION_CODES
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionManager.java:349: error: cannot find symbol
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R)
^
symbol: variable R
location: class VERSION_CODES
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionManager.java:380: error: cannot find symbol
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R)
^
symbol: variable R
location: class VERSION_CODES
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionManager.java:384: error: cannot find symbol
return Environment.isExternalStorageManager()
^
symbol: method isExternalStorageManager()
location: class Environment
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:64: error: cannot find symbol
case Manifest.permission.MANAGE_EXTERNAL_STORAGE:
^
symbol: variable MANAGE_EXTERNAL_STORAGE
location: class permission
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:72: error: cannot find symbol
case Manifest.permission.BLUETOOTH_SCAN:
^
symbol: variable BLUETOOTH_SCAN
location: class permission
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:74: error: cannot find symbol
case Manifest.permission.BLUETOOTH_ADVERTISE:
^
symbol: variable BLUETOOTH_ADVERTISE
location: class permission
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:76: error: cannot find symbol
case Manifest.permission.BLUETOOTH_CONNECT:
^
symbol: variable BLUETOOTH_CONNECT
location: class permission
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:235: error: cannot find symbol
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R && hasPermissionInManifest(context, permissionNames, Manifest.permission.MANAGE_EXTERNAL_STORAGE ))
^
symbol: variable R
location: class VERSION_CODES
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:235: error: cannot find symbol
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R && hasPermissionInManifest(context, permissionNames, Manifest.permission.MANAGE_EXTERNAL_STORAGE ))
^
symbol: variable MANAGE_EXTERNAL_STORAGE
location: class permission
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:236: error: cannot find symbol
permissionNames.add(Manifest.permission.MANAGE_EXTERNAL_STORAGE);
^
symbol: variable MANAGE_EXTERNAL_STORAGE
location: class permission
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:259: error: cannot find symbol
String result = determineBluetoothPermission(context, Manifest.permission.BLUETOOTH_SCAN);
^
symbol: variable BLUETOOTH_SCAN
location: class permission
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:270: error: cannot find symbol
String result = determineBluetoothPermission(context, Manifest.permission.BLUETOOTH_ADVERTISE);
^
symbol: variable BLUETOOTH_ADVERTISE
location: class permission
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:281: error: cannot find symbol
String result = determineBluetoothPermission(context, Manifest.permission.BLUETOOTH_CONNECT);
^
symbol: variable BLUETOOTH_CONNECT
location: class permission
C:\flutter\.pub-cache\hosted\pub.dartlang.org\permission_handler-8.2.5\android\src\main\java\com\baseflow\permissionhandler\PermissionUtils.java:370: error: cannot find symbol
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S && hasPermissionInManifest(context, null, permission ))
^
symbol: variable S
location: class VERSION_CODES
20 errors
FAILURE: Build failed with an exception.
* What went wrong:
Execution failed for task ':permission_handler:compileDebugJavaWithJavac'.
> Compilation failed; see the compiler error output for details.
* 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.
* Get more help at https://help.gradle.org
BUILD FAILED in 44s
Exception: Gradle task assembleDebug failed with exit code 1
【问题讨论】：
【参考方案1】：遇到同样的问题，我就是这样解决的：
首先我从我的 yaml 文件中删除了 permission_handler。
然后做了一个颤振清洁。
在 pubspec.yaml 中：我将 permission_handler 插件的版本从 8.2.6 更改为：
permission_handler: ^8.2.0
然后在android/app/build.grale文件中：将compile sdk版本改为31。
【讨论】：
将编译 SDK 改为 31 版本就足够了。另一种解决方案是将 permission_handler 恢复为 8.2.0，而不是两者。 即使更改为 31，我的错误仍然存在【参考方案2】：这是由于compileSdkVersion 而发生的。前往 android/app/build.gradle 并将 complieSdkVersion 更改为 31。
android
compileSdkVersion 31
...
在pubspec.yaml 文件中：-
dependencies:
permission_handler: ^8.2.5
该错误必须在 8.2.0 及更高版本中发生。如果仍然遇到错误，请安装低于 8.2.0 的版本。
【讨论】：
在我的情况下，我没有安装权限处理程序，但它是我安装的软件包之一的依赖项 (form_builder_file_picker)【参考方案3】：我在 pubspec.yaml 中将 permission_handler: ^8.1.4+2 更改为 permission_handler: 6.0.0 。现在项目运行良好。感谢您的帮助。
【讨论】：
【参考方案4】：我认为 Build.VERSION_CODES.R 是 API 级别 30，因此将 compileSdkVersion 设置为 30 应该可以解决问题。
【讨论】：
它没有用。它再次显示相同的错误。 问题是因为permission_handler: ^8.1.4+2 包而发生的。我删除了这个包并运行了它现在正在运行的项目。只有我必须添加另一个包，请建议替代包。以上是关于如何解决“异常：Gradle 任务 assembleDebug 失败，退出代码 1”？的主要内容，如果未能解决你的问题，请参考以下文章