To make one time purchase request in your Android app, follow these simple instructions:
Import our library into your project
Create **PurchaseRequest** specifying a APIKEY your service ID
Additionally you can set reference parameter on **PurchaseRequest** by calling **setReference(String id)** method
Create **PurchaseManager** and attach a new instance of **PurchaseListener**
Start payment by calling **PurchaseManager.startPurchase(PurchaseRequest pr, Context context)** method.