UIAlertViewDelegate contains method alertViewShouldEnableFirstOtherButton:`` but your code doesn't allow to use it because it sets delegate toself``` (this category) and so it is impossible just to write this method outside this category when it is necessary
UIAlertViewDelegatecontains methodalertViewShouldEnableFirstOtherButton:`` but your code doesn't allow to use it because it sets delegate toself``` (this category) and so it is impossible just to write this method outside this category when it is necessary