使用Android Gradle插件0.7.0和以下build.gradle:

buildscript {
    repositories {
        mavenCentral()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:0.7.0'
    }
}

apply plugin: 'android'

repositories {
    maven { url "https://android-rome-feed-reader.googlecode.com/svn/maven2/releases" }
    maven { url "http://dl.bintray.com/populov/maven" }
    mavenCentral()
}

android {
    compileSdkVersion 19
    buildToolsVersion '18.1.1'

    defaultConfig {
        minSdkVersion 9
        targetSdkVersion 19
    }
    buildTypes {
        release {
            runProguard true
            proguardFile getDefaultProguardFile('proguard-android-optimize.txt')
        }
    }
    productFlavors {
        defaultFlavor {
            proguardFile 'proguard-rules.txt'
        }
    }
    sourceSets {
        instrumentTest.setRoot('src/instrumentTest')
    }
}

configurations {
    apt
}

ext.androidAnnotationsVersion = '2.7.1';

dependencies {
    compile 'com.android.support:support-v4:18.0.0'

    compile 'com.viewpagerindicator:library:2.4.1@aar'

    compile 'com.google.code.android-rome-feed-reader:android-rome-feed-reader:1.0.0-r2'
    compile 'org.jdom:jdom:1.1.1-android-fork'

    apt "com.googlecode.androidannotations:androidannotations:${androidAnnotationsVersion}"
    compile "com.googlecode.androidannotations:androidannotations-api:${androidAnnotationsVersion}"

    compile 'com.google.code.gson:gson:2.2.4'
    compile 'com.j256.ormlite:ormlite-android:4.47'
    compile 'com.j256.ormlite:ormlite-core:4.47'
    compile 'org.springframework.android:spring-android-core:1.0.1.RELEASE'
    compile 'org.springframework.android:spring-android-rest-template:1.0.1.RELEASE'
    compile 'com.prolificinteractive:actionbarsherlock:4.3.1@aar'

    compile 'com.google.code.geocoder-java:geocoder-java:0.15'

    compile files('libs/CWAC-Pager.jar')
}

android.applicationVariants.all { variant ->
    aptOutput = file("${project.buildDir}/source/apt_generated/${variant.dirName}")
    println "****************************"
    println "variant: ${variant.name}"
    println "manifest:  ${variant.processResources.manifestFile}"
    println "aptOutput:  ${aptOutput}"
    println "****************************"

    variant.javaCompile.doFirst {
        println "*** compile doFirst ${variant.name}"
        aptOutput.mkdirs()
        variant.javaCompile.options.compilerArgs += [
                '-processorpath', configurations.apt.getAsPath(),
                '-AandroidManifestFile=' + variant.processResources.manifestFile,
                '-s', aptOutput
        ]
    }
}

在APK META-INF/LICENSE.txt中拷贝了Duplicate files:

WARNING: Dependency commons-logging:commons-logging:1.0.4 is ignored for defaultFlavorDebug as it may be conflicting with the internal version provided by Android.
         In case of problem, please repackage it with jarjar to change the class packages
WARNING: Dependency commons-logging:commons-logging:1.0.4 is ignored for defaultFlavorRelease as it may be conflicting with the internal version provided by Android.
         In case of problem, please repackage it with jarjar to change the class packages
Creating properties on demand (a.k.a. dynamic properties) has been deprecated and is scheduled to be removed in Gradle 2.0. Please read http://gradle.org/docs/current/dsl/org.gradle.api.plugins.ExtraPropertiesExtension.html for information on the replacement for dynamic properties.
Deprecated dynamic property: "aptOutput" on "com.android.build.gradle.internal.api.ApplicationVariantImpl_Decorated@5705013c", value: "/Users/david/Developer...".
****************************
variant: defaultFlavorDebug
manifest:  /Users/david/Developer/.../build/manifests/defaultFlavor/debug/AndroidManifest.xml
aptOutput:  /Users/david/Developer/.../build/source/apt_generated/defaultFlavor/debug
****************************
Deprecated dynamic property "aptOutput" created in multiple locations.
****************************
variant: defaultFlavorRelease
manifest:  /Users/david/Developer/.../build/manifests/defaultFlavor/release/AndroidManifest.xml
aptOutput:  /Users/david/Developer/.../build/source/apt_generated/defaultFlavor/release
****************************
:TravelGuard:compileDefaultFlavorDebugNdk UP-TO-DATE
:TravelGuard:preBuild UP-TO-DATE
:TravelGuard:preDefaultFlavorDebugBuild UP-TO-DATE
:TravelGuard:preDefaultFlavorReleaseBuild UP-TO-DATE
:TravelGuard:prepareComProlificinteractiveActionbarsherlock431Library UP-TO-DATE
:TravelGuard:prepareComViewpagerindicatorLibrary241Library UP-TO-DATE
:TravelGuard:prepareDefaultFlavorDebugDependencies
:TravelGuard:compileDefaultFlavorDebugAidl UP-TO-DATE
:TravelGuard:compileDefaultFlavorDebugRenderscript UP-TO-DATE
:TravelGuard:generateDefaultFlavorDebugBuildConfig UP-TO-DATE
:TravelGuard:mergeDefaultFlavorDebugAssets UP-TO-DATE
:TravelGuard:mergeDefaultFlavorDebugResources UP-TO-DATE
:TravelGuard:processDefaultFlavorDebugManifest UP-TO-DATE
:TravelGuard:processDefaultFlavorDebugResources UP-TO-DATE
:TravelGuard:generateDefaultFlavorDebugSources UP-TO-DATE
:TravelGuard:compileDefaultFlavorDebugJava
*** compile doFirst defaultFlavorDebug
/Users/david/Developer/.../src/main/java/com/travelguard/service/TravelGuardService.java:53: cannot find symbol
symbol  : class TravelGuardPrefs_
location: class com.travelguard.service.TravelGuardService
    TravelGuardPrefs_ travelGuardPrefs;
    ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/CategoriesActivity.java:14: cannot find symbol
symbol  : class AssistanceFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.AssistanceFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/CategoriesActivity.java:16: cannot find symbol
symbol  : class CategoryFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.CategoryFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/CategoriesActivity.java:17: cannot find symbol
symbol  : class ContactFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.ContactFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/CountriesActivity.java:25: cannot find symbol
symbol  : class TravelGuardPrefs_
location: package com.travelguard.service
import com.travelguard.service.TravelGuardPrefs_;
                              ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/CountriesActivity.java:44: cannot find symbol
symbol  : class TravelGuardPrefs_
location: class com.travelguard.ui.CountriesActivity
    TravelGuardPrefs_ travelGuardPrefs;
    ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/InstructionsActivity.java:18: cannot find symbol
symbol  : class AssistanceFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.AssistanceFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/InstructionsActivity.java:19: cannot find symbol
symbol  : class ContactFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.ContactFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/InstructionsActivity.java:21: cannot find symbol
symbol  : class InstructionsFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.InstructionsFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/MainActivity.java:36: cannot find symbol
symbol  : class TravelGuardPrefs_
location: package com.travelguard.service
import com.travelguard.service.TravelGuardPrefs_;
                              ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/MainActivity.java:40: cannot find symbol
symbol  : class AssistanceFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.AssistanceFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/MainActivity.java:41: cannot find symbol
symbol  : class ContactFragment_
location: package com.travelguard.ui.fragments
import com.travelguard.ui.fragments.ContactFragment_;
                                   ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/MainActivity.java:55: cannot find symbol
symbol  : class TravelGuardPrefs_
location: class com.travelguard.ui.MainActivity
    TravelGuardPrefs_ travelGuardPrefs;
    ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/TermsActivity.java:17: cannot find symbol
symbol  : class TravelGuardPrefs_
location: package com.travelguard.service
import com.travelguard.service.TravelGuardPrefs_;
                              ^
/Users/david/Developer/.../src/main/java/com/travelguard/ui/TermsActivity.java:23: cannot find symbol
symbol  : class TravelGuardPrefs_
location: class com.travelguard.ui.TermsActivity
    TravelGuardPrefs_ travelGuardPrefs;
    ^
Note: Starting AndroidAnnotations annotation processing
Note: AndroidManifest.xml file found: /Users/david/Developer/.../build/manifests/defaultFlavor/debug/AndroidManifest.xml
Note: Number of files generated by AndroidAnnotations: 22
Note: Generating source file: com.travelguard.service.SmartTravellerService_
Note: Generating source file: com.travelguard.service.SmartTravellerWebservice_
Note: Generating source file: com.travelguard.service.TravelGuardPrefs_
Note: Generating source file: com.travelguard.service.TravelGuardService_
Note: Generating source file: com.travelguard.service.TravelGuardWebservice_
Note: Generating source file: com.travelguard.ui.AdviceActivity_
Note: Generating source file: com.travelguard.ui.CategoriesActivity_
Note: Generating source file: com.travelguard.ui.ContactDetailActivity_
Note: Generating source file: com.travelguard.ui.ContactListActivity_
Note: Generating source file: com.travelguard.ui.ContactTravelGuardActivity_
Note: Generating source file: com.travelguard.ui.CountriesActivity_
Note: Generating source file: com.travelguard.ui.InformationActivity_
Note: Generating source file: com.travelguard.ui.InstructionsActivity_
Note: Generating source file: com.travelguard.ui.MainActivity_
Note: Generating source file: com.travelguard.ui.TermsActivity_
Note: Generating source file: com.travelguard.ui.TravelGuardActivity_
Note: Generating source file: com.travelguard.ui.fragments.AdviceDetailFragment_
Note: Generating source file: com.travelguard.ui.fragments.AdviceFragment_
Note: Generating source file: com.travelguard.ui.fragments.AssistanceFragment_
Note: Generating source file: com.travelguard.ui.fragments.CategoryFragment_
Note: Generating source file: com.travelguard.ui.fragments.ContactFragment_
Note: Generating source file: com.travelguard.ui.fragments.InstructionsFragment_
Note: Time measurements: [Whole Processing = 913 ms], [Generate Sources = 358 ms], [Extract Manifest = 163 ms], [Process Annotations = 158 ms], [Extract Annotations = 120 ms], [Validate Annotations = 82 ms], [Find R Classes = 28 ms],
Note: Time measurements: [Whole Processing = 0 ms],
Note: Time measurements: [Whole Processing = 0 ms],
warning: The following options were not recognized by any processor: '[androidManifestFile]'
Note: /Users/david/Developer/.../src/main/java/com/travelguard/ui/ContactDetailActivity.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: /Users/david/Developer/.../src/main/java/com/travelguard/service/SmartTravellerService.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
:TravelGuard:preDexDefaultFlavorDebug UP-TO-DATE
:TravelGuard:dexDefaultFlavorDebug
:TravelGuard:processDefaultFlavorDebugJavaRes UP-TO-DATE
:TravelGuard:validateDebugSigning
:TravelGuard:packageDefaultFlavorDebug
Error: duplicate files during packaging of APK /Users/david/Developer/.../build/apk/TravelGuard-defaultFlavor-debug-unaligned.apk
    Path in archive: META-INF/LICENSE.txt
    Origin 1: /Users/david/.gradle/caches/modules-2/files-2.1/commons-httpclient/commons-httpclient/3.1/964cd74171f427720480efdec40a7c7f6e58426a/commons-httpclient-3.1.jar
    Origin 2: /Users/david/.gradle/caches/modules-2/files-2.1/commons-codec/commons-codec/1.2/397f4731a9f9b6eb1907e224911c77ea3aa27a8b/commons-codec-1.2.jar
:TravelGuard:packageDefaultFlavorDebug FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':TravelGuard:packageDefaultFlavorDebug'.
> Duplicate files copied in APK META-INF/LICENSE.txt
    File 1: /Users/david/.gradle/caches/modules-2/files-2.1/commons-httpclient/commons-httpclient/3.1/964cd74171f427720480efdec40a7c7f6e58426a/commons-httpclient-3.1.jar
    File 2: /Users/david/.gradle/caches/modules-2/files-2.1/commons-httpclient/commons-httpclient/3.1/964cd74171f427720480efdec40a7c7f6e58426a/commons-httpclient-3.1.jar


* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output.

BUILD FAILED

Total time: 21.957 secs

在我更新Android Studio之前,今天早上工作得很好。什么好主意吗?

编辑:我可以通过运行命令来临时修复它

zip -d spring-android-core-1.0.1.RELEASE.jar META-INF/notice.txt

直到所有的重复错误都消失。


截至Android Studio 0.8.14版本

你应该补充:

 android {
     packagingOptions { 
         exclude 'META-INF/LICENSE.txt'
         exclude 'META-INF/NOTICE.txt'
         exclude '...'
     }
 }  

适合你的身材。gradle文件。

历史:

根据该错误的第14条评论:https://issuetracker.google.com/issues/36982149#comment14,这是一个在Android Gradle插件v0.7.0中的错误,将很快在0.7.1中修复。

以下是关于0.7.1版本新增功能的bug说明:

0.7.1已经发布了这个修复。

排除文件的DSL是:

android {
    packagingOptions {
        exclude 'META-INF/LICENSE.txt'
    }
}

您可以添加尽可能多的排除语句。取值为归档路径。目前还不支持通配符或glob。

“LICENSE.txt”和“NOTICE.txt”文件名区分大小写。请尝试“license.txt”和“notice.txt”。


问题是META-INF文件夹不会被过滤,因此多个NOTICE或LICENSE条目在构建时会导致重复,并试图将它们复制在一起。

肮脏的权宜之计:

打开你的。gradle/caches/…然后删除或重命名META-INF文件夹中导致错误的文件(通常是NOTICE或LICENSE)。 (我知道这在OP中也有,但对我来说,直到我读了谷歌论坛才真正清楚)

编辑:

这在0.7.1中被修复。只需添加排除的配置文件。

android {
    packagingOptions {
        exclude 'META-INF/LICENSE'
    }
}

我注意到AOSP中的这个提交注释,解决方案是使用DSL排除一些文件。可能是在0.7.1发布的时候。

commit e7669b24c1f23ba457fdee614ef7161b33feee69
Author: Xavier Ducrohet <--->
Date:   Thu Dec 19 10:21:04 2013 -0800

    Add DSL to exclude some files from packaging.

    This only applies to files coming from jar dependencies.
    The DSL is:

    android {
      packagingOptions {
        exclude 'META-INF/LICENSE.txt'
      }
    }

packagingOptions {
        exclude 'META-INF/DEPENDENCIES.txt'
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
}

在我的情况下,我不得不包括一些额外的排除。它似乎不喜欢正则表达式,这将使它成为一个很好的一行程序。

android {
    packagingOptions {
        exclude 'META-INF/DEPENDENCIES.txt'
        exclude 'META-INF/DEPENDENCIES'
        exclude 'META-INF/dependencies.txt'
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/license.txt'
        exclude 'META-INF/LGPL2.1'
        exclude 'META-INF/NOTICE.txt'
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/notice.txt'
    }
}

这个bug在0.8+/1.10版本仍然存在

与杰克逊

compile 'com.fasterxml.jackson.dataformat:jackson-dataformat-csv:2.2.2'

在编译之前,我必须包含上面的建议

exclude 'META-INF/services/com.fasterxml.jackson.core.JsonFactory'

看看Sakiboy的评论吧!


过时的回答

从Gradle 0.9.1开始支持以下功能:

android.packagingOptions {
    pickFirst 'META-INF/LICENSE.txt'
}

更多信息请参阅Gradle发布说明。


当我在Android Studio 0.8.6中导出库httclient-4.3.5时,同样的问题 我需要包括这个:

packagingOptions{
    exclude 'META-INF/DEPENDENCIES'
    exclude 'META-INF/NOTICE'
    exclude 'META-INF/NOTICE.txt'
    exclude 'META-INF/LICENSE'
    exclude 'META-INF/LICENSE.txt'
}

压缩库内容下一个jar:

commons-codec-1.6.jar
commons-logging-1.1.3.jar
fluent-hc-4.3.5.jar
httpclient-4.3.5.jar
httpclient-cache-4.3.5.jar
httpcore-4.3.2.jar
httpmime-4.3.5.jar

重要的是要知道在什么文件中出现这个错误(在你的例子中是META-INF/LICENSE.txt),在我的例子中是在META-INF/LICENSE[没有“.txt”]中,然后在文件META-INF/ASL2.0中,所以我添加到我的构建中。Gradle这几行:

android {
    packagingOptions {
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/ASL2.0'
    }
}

非常重要(!)->添加相同风格的文件名,你可以在错误消息中看到:文本是区分大小写的,*.txt和*(没有"txt")之间有区别。


在我的情况下,我只需要添加到项目的构建。gradle文件:

android {
  packagingOptions {
    exclude 'META-INF/notice.txt'
    exclude 'META-INF/license.txt'
  }

   ...
}

同样的问题,当我使用'org.springframework.android:spring-android-rest-template:2.0.0。Android Studio 1.0.1中的M1'。我需要在build.gradle中包含这个

android{
...
    packagingOptions{
        exclude 'META-INF/notice.txt'
        exclude 'META-INF/license.txt'
    }
...
}

这里也是

dependencies {
    compile 'org.apache.oltu.oauth2:org.apache.oltu.oauth2.client:1.0.0'
}

packagingOptions {
    exclude 'META-INF/DEPENDENCIES'
    exclude 'META-INF/LICENSE'
    exclude 'META-INF/NOTICE'
}

因为这个奇怪的错误,我损失了2天的时间。为什么在gradle 1.0.0中仍然发生这种情况?这对新手来说是非常令人不安的…… 无论如何,谢谢你的信息,我认为这是在我的代码:)


在Android Studio 1.1.0中,我需要小写名称:

packagingOptions{
      exclude 'META-INF/license.txt'
      exclude 'META-INF/notice.txt'
}

它不止一个错误

在应用插件:'android-library'

加上这个::

android {
    packagingOptions {
        exclude 'META-INF/ASL2.0'
        exclude 'META-INF/LICENSE'
        exclude 'META-INF/NOTICE'
    }
}

如果有重复的文件,查看JAR的META-INF目录下的文件,看看是什么导致了错误。它可以是倍数。在我的案例中,Couchbase Lite插件。 当您添加更多的插件时,您将需要更多的异常


这对我来说很管用:

android {
   packagingOptions {
       exclude 'LICENSE.txt'
   }
}

我认为你只需要在build.gradle中包含这些选项:

packagingOptions {
        exclude 'META-INF/DEPENDENCIES'
        exclude 'META-INF/NOTICE'
        exclude 'META-INF/LICENSE'
    }

附:与我在帖子中的回答相同: 错误:APK打包时重复文件


“LICENSE.txt”和“NOTICE.txt”文件区分大小写。所以对于SPring android库,我必须添加

android {
    packagingOptions {
        exclude 'META-INF/LICENSE.txt'
        exclude 'META-INF/NOTICE.txt'
        exclude 'META-INF/license.txt'
        exclude 'META-INF/notice.txt'
    }
}

删除.txt后的许可证删除了我的错误:

packagingOptions {
    exclude 'META-INF/LICENSE'
}

  packagingOptions {
    exclude 'META-INF/DEPENDENCIES.txt'
    exclude 'META-INF/DEPENDENCIES'
    exclude 'META-INF/dependencies.txt'
    exclude 'META-INF/LICENSE.txt'
    exclude 'META-INF/LICENSE'
    exclude 'META-INF/license.txt'
    exclude 'META-INF/LGPL2.1'
    exclude 'META-INF/NOTICE.txt'
    exclude 'META-INF/NOTICE'
    exclude 'META-INF/notice.txt'
}

如果你想尽你作为开发人员的职责,利用开源库,你应该尝试在你的apk中包含所有这些开源许可。为此,您可以使用packagingOptions中的merge方法。

例子:

packagingOptions {
        // This will get include every license and notice regardless of what dir it’s in.
        merge '**/LICENSE.txt'
        merge '**/NOTICE.txt'
        merge '**/notice.txt'
        merge '**/license.txt'
        merge '**/NOTICE'
        merge '**/LICENSE'
        merge '**/notice'
        merge '**/license'
        merge '**/LGPL2.1'
        // This will exclude any README files, regardless of the dir or the file type.
        exclude '**/README.*'
}

这个答案比使用pickFirst更好,因为该方法只选择它找到的第一个许可证,而忽略所有其余的,在这种情况下有点使它无用。

因此,简而言之,使用合并方法来包括您一直在使用的那些强大的开源库的所有许可证。

有关Gradle PackagingOptions的更多信息。