How much should the AppDelegate do?...

Saving data - does work on Simulator, not on Device...

referencing an instantiated object in another class in objective C...

View Controller's viewDidLoad method finishing before applicationDidFinishLaunching...

iphone global settings - best way to implement it?...

can we check applicationwillresignActive in iphone simulator?...

Where does UIApplication's handleOpenURL 'Return' to exactly?...

Is there anything like viewDidLoad for the loading of the app's main xib?...

UIApplication sharedAppication error: program seems to be accessing wrong file...

UISharedApplication bug that cannot be determined...

updating a variable in appDelegate...

Showing a one-time UIViewController via presentModalViewController upon launch...

is it possible to reuse appdelegate in applicationDidFinishLaunching?...

Is there any advantage to deallocating objects owned by the UIApplicationDelegate?...

Difference Between Application Delegates...