I have been facing a IN - App Purchase problem since long time. I need to integrate In-App functionality in my Android Application, but When I upload the APK file to the play st
Updating Your Application's Manifest
In-app billing relies on the Google Play application, which handles all communication between your application and the Google Play server. To use the Google Play application, your application must request the proper permission. You can do this by adding the com.android.vending.BILLING permission to your AndroidManifest.xml file. If your application does not declare the In-app Billing permission, but attempts to send billing requests, Google Play will refuse the requests and respond with an error.
To give your app the necessary permission, add this line in your Android.xml manifest file:
Ref Implementing In-app Billing
Also See Google I/O 2013 - In-App Billing Version 3