In order to purchase a product you will construct a
PurchaseRequest object and pass it to the
makePurchase call will dispatch one of the following events:
PurchaseEvent.MAKE_PURCHASE_COMPLETE: Dispatched when the purchase completed successfully;
PurchaseEvent.MAKE_PURCHASE_ERROR: Dispatched when an error occurred.
PurchaseEvent.MAKE_PURCHASE_COMPLETE event should contain one
Purchase object with the product information of the product purchased. At this point there will be no extended information so you can query
getPurchases if you need additional information on store managed purchases.