quit app in iOS4

Question

I have an old app which did many UI initialization work in viewDidLoad of various views. In iOS4 home button just put the app in background so viewDidLoad won\'t get called

Answer 1

http://developer.apple.com/iphone/library/documentation/UIKit/Reference/UIApplicationDelegate_Protocol/Reference/Reference.html

you have to look up to the UIApplicationDidBecomeActiveNotification i think, but in the uiapplicationdelegate-protocol, there are even some other interesting things for you

or perfectly for you: UIApplicationWillEnterForegroundNotification as a new notification in ios4 for this problem