Callback for PurchasingManager.initiateGetUserIdRequest()
Callback for PurchasingManager.initiateGetUserIdRequest()
Callback for initiatePurchaseUpdatesRequest(Offset).
Callback for initiatePurchaseUpdatesRequest(Offset).
"You must use this method to sync purchases made from other devices onto this device, and to sync revoked entitlements across all instances of your app."
Callback for PurchasingManager.registerObserver(Activity)
Callback for PurchasingManager.registerObserver(Activity)