Is there any background listener in iPhone SDK ? Which I can register in viewDidLoad and unregister in viewDIdUnload…A listener, that I can say something to do at any time ? Thanks…
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Is there any background listener in iPhone SDK ? Which I can register in viewDidLoad and unregister in viewDIdUnload…A listener, that I can say something to do at any time ? Thanks…
Take a look at NSNotification and NSNotificationCenter. You can also do Key Value Observing to make functions that respond to variable changes.