Android Studio报错：Error:duplicate files during packaging of APK

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具体错误描述：

    

Error:duplicate files during packaging of APK F:\android_studio_project\nizaoma\app\build\outputs\apk\app-debug-unaligned.apk

    Path in archive: META-INF/NOTICE.txt

    Origin 1: F:\android_studio_project\nizaoma\app\libs\httpmime-4.2.4.jar

    Origin 2: F:\android_studio_project\nizaoma\app\libs\fastjson.jar

You can ignore those files in your build.gradle:

    android {

      packagingOptions {

        exclude 'META-INF/NOTICE.txt'

      }

    }

 原因：

 是因为你的项目的两个以上的jar包包含 NOTICE.txt 文件：

   

  解决办法：

  在build.grade 中增加：

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