How to create a global reference for iAd and implement in multiple Viewcontrollers

Question

I\'m having 5 ViewControllers in each of that i have to display iAd,so that i have to implement iAd code in each ViewControllers. Instead of that if i create

Answer 1

hi this looks like a good answer but don't you have to import the AppDelegate in your m files

#import "AppDelegate.h" 

and shouldn't you hide the add if no network connection or add not showing