Sample app to showcase how to integrate one-time products
Yolo's Realm | Play Samples — description
Yolo's Realm is a sample app to showcase how to integrate one-time products (OTPs) with Play Billing Library. This sample app emphasies on the various billingResult codes returned by PBL and how to process these purchases. You can find the source code at https://github.com/googlesamples/play-billing-samples