How to tell the active view controller when applicationDidBecomeActive is called?

Question

I feel I am missing a trick here...

I just want to call viewDidLoad or viewDidAppear on the current active view controller when applicationDidBecomeActive gets called, s

Answer 1

Rather than trying to keep track of which ViewController is current, you could send a NSNotification from your AppDelegate and subscribe to it in your ViewController.. That way the view controller keeps track of whether or not it needs to call viewDidAppear.