/**
* Unregisters a previously registered observer.
* @param observer the previously registered observer.
*/
public static void unregister(PurchaseObserver observer)
{
sPurchaseObserver = null;
}
/**
* Unregisters a previously registered observer.
* @param observer the previously registered observer.
*/
public static void unregister(PurchaseObserver observer)
{
sPurchaseObserver = null;
}
/**
* Registers an observer that updates the UI.
* @param observer the observer to register
*/
public static void register(PurchaseObserver observer)
{
sPurchaseObserver = observer;
}
/**
* Registers an observer that updates the UI.
* @param observer the observer to register
*/
public static void register(PurchaseObserver observer)
{
sPurchaseObserver = observer;
}