duplicate files during packaging of apk

OSChina Android APP 导入到Android Studio中不能运行，发现一小插曲。

主要实现了开源中国社区 OSC Android 客户端项目源码通过Gradle方式编译在 Android Studio运行并模拟。

出现这个报错：

Error:duplicate files during packaging of APK /Users/lixiphp/AndroidStudioProjects/oschina-android/app/build/outputs/apk/app-debug-unaligned.apk

Error:Execution failed for task ‘:app:packageDebug’.

> Duplicate files copied in APK META-INF/NOTICE.txt

File 1: /Users/lixiphp/AndroidStudioProjects/oschina-android/app/libs/commons-httpclient-3.1.jar

File 2: /Users/lixiphp/AndroidStudioProjects/oschina-android/app/libs/commons-httpclient-3.1.jar

这个APP运行的环境是在SDK API 15，如果你改为19或者更高是会报错的。

JDK=1.6

target=android-15

解决方法

在gradle配置文件加入：

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

在运行一次APP即可以成功编译。

APP build.gradle 配置文件内容为：

apply plugin: 'android'android { compileSdkVersion 15  buildToolsVersion "20.0.0"  defaultConfig {   applicationId "net.oschina.app"   minSdkVersion 9   targetSdkVersion 19  }  buildTypes {   release {    runProguard false    proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'   }  }  android {   packagingOptions {    exclude 'META-INF/DEPENDENCIES.txt'    exclude 'META-INF/LICENSE.txt'    exclude 'META-INF/NOTICE.txt'    exclude 'META-INF/NOTICE'    exclude 'META-INF/LICENSE'    exclude 'META-INF/DEPENDENCIES'    exclude 'META-INF/notice.txt'    exclude 'META-INF/license.txt'    exclude 'META-INF/dependencies.txt'    exclude 'META-INF/LGPL2.1'   }  } } dependencies {  compile files('libs/Android_SDK_v1.2_Fix.jar')  compile files('libs/commons-httpclient-3.1.jar')  compile files('libs/core-2.3.0.jar')  compile files('libs/httpmime-4.1.3.jar')  compile files('libs/libammsdk.jar') }

解决方法

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