Duplicate files copied in APK META-INF/DEPENDENCIES

Execution failed for task ':app:transformResourcesWithMergeJavaResForDebug'.
> com.android.build.api.transform.TransformException: com.android.builder.packaging.DuplicateFileException: Duplicate files copied in APK META-INF/DEPENDENCIES
  	File1: /home/dubox/dev/android/caiPiao/app/libs/httpcore-4.4.4.jar
  	File2: /home/dubox/dev/android/caiPiao/app/libs/httpclient-4.5.2.jar

在app的目錄下找到build.gradle 這個文件，在Android標籤的最後面加入如下信息：

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