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I am fairly new at Android development and have been struggling to get a working build of an app I am working on.
I receive the following error after a build with Gradle:
:app:transformClassesWithJarMergingForDebug FAILED
FAILURE: Build failed with an exception.
- What went wrong: Execution failed for task ':app:transformClassesWithJarMergingForDebug'.
com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: android/support/v4/print/PrintHelper$1.class
I (think) I narrowed the issue down to multiple libraries using the same 'support-v4' module, but I'm not sure. I can provide more details. Thank you.
I fixed this by deleting .jar files that were duplicates.