objective c - iphone: what event will be fired if we close a notofiaction without viewing it -

i have situation have print notification viewed when local notification viewed , notification closed when close button of notification clicked want know if have event/method fired once notification's cancel button pressed.

if not possible have method got fired when notification displayed or pushed?

please shed light on this.

your app isn't running, there no way interact os. os display localnotification, there no way either check if notification displayed or cancel button pressed.