Anyone with experience dealing with Proguard and In-app purchases able to shed some light on this issue by any chance? Thanks in advance.

Progaurd with In-app purchase
I am using In app billing (followed steps as on developer.android.com) that includes a file InAppBillingService.aidl As suggested here -> http://developer.android.com/google/play/billing/billing_best_practices.html We need to obfuscate the code using Progaurd for security reasons. Now exporting a signed apk with progaurd enabled gives me the following error. Duplicate zip entry [android_6861407322325970495.jar:com/android/vending/billing/IInAppBi…