APK的包装过程中的重复文件：增加火力地堡依赖后摇篮同步失败 [英] Gradle sync fails after adding Firebase dependency: duplicate files during packaging of APK

问题描述

添加火力地堡的依赖似乎打破了摇篮打造默认的Andr​​oid Studio项目中。下面是我所做的：

1. 我创建Android Studio中一个新的默认Android应用程序。它建立了良好的开箱即用的。



2. 我增加了火力地堡摇篮依赖于应用程序/的build.gradle 文件：

     ...
   依赖{
       编译文件树（导演：'库'，包括：['的* .jar']）
       编译com.firebase：火力客户端：1.0.16+
   }
    




3. 摇篮同步与此错误朗声道：

    错误：APK /Users/mimming/$c$c/firebase-rawr/app/build/outputs/apk/app-debug-unaligned.apk的包装过程中的重复文件
       路径档案：META-INF / LICENSE
       原产地1： /Users/me/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-annotations/2.2.2/stuff/jackson-annotations-2.2.2.jar
       原产地2： /Users/me/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-databind/2.2.2/stuff/jackson-databind-2.2.2.jar
    

解决方案

这是由摇篮如何处理相关性的错误引起的。它在的Andr​​oid OSP bug跟踪系统被跟踪。

您可以解决这个bug的火力地堡中加入一对夫妇排除到你的应用程序/的build.gradle 文件：

 安卓{
    packagingOptions {
        排除META-INF / LICENSE
        排除META-INF /注意事项
    }
...
}
 

Adding the Firebase dependency seems to break the Gradle build of the default Android Studio project. Here's what I did:

1. I created a new default Android app in Android Studio. It built fine out of the box.

2. I added the Firebase Gradle dependency to the app/build.gradle file:

   ...
   dependencies {
       compile fileTree(dir: 'libs', include: ['*.jar'])
       compile 'com.firebase:firebase-client:1.0.16+'
   }
   

3. Gradle sync broke with this error:

   Error:duplicate files during packaging of APK /Users/mimming/code/firebase-rawr/app/build/outputs/apk/app-debug-unaligned.apk
       Path in archive: META-INF/LICENSE
       Origin 1: /Users/me/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-annotations/2.2.2/stuff/jackson-annotations-2.2.2.jar
       Origin 2: /Users/me/.gradle/caches/modules-2/files-2.1/com.fasterxml.jackson.core/jackson-databind/2.2.2/stuff/jackson-databind-2.2.2.jar
   

解决方案

This is caused by a bug in how Gradle treats dependencies. It's being tracked in the Android OSP bug tracker.

You can work around this bug for Firebase by adding a couple of excludes to your app/build.gradle file:

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

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