An interface for observing changes related to purchases. The main application extends this class and registers an instance of that derived class with ResponseHandler. The main application implements the callbacks #onBillingSupported(boolean) and #onPurchaseStateChange(PurchaseState, String, int, long). These methods are used to update the UI.
PurchaseObserver Class Documentation
Ejemplo n.º 1
0
 public static void Unregister(PurchaseObserver observer)
 {
     sPurchaseObserver = null;
 }
Ejemplo n.º 2
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 public static void Register(PurchaseObserver observer)
 {
     sPurchaseObserver = observer;
 }