Error:Execution failed for task ':app:transformResourcesWithMergeJavaResForDebug'.

> com.android.build.api.transform.TransformException: com.android.builder.packaging.DuplicateFileException: Duplicate files copied in APK META-INF/LICENSE

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修改gradle

android{

packagingOptions {

exclude'META-INF/LGPL2.1'

exclude'META-INF/DEPENDENCIES'

exclude'META-INF/NOTICE'

exclude'META-INF/LICENSE'

exclude'META-INF/LICENSE.txt'

exclude'META-INF/NOTICE.txt'

}

}