NSNotification objects encapsulate information so that it can be broadcast to other objects by an NSNotificationCenter object.
In Objective-C, a custom notification is just a plain NSString, but it's not obvious in the WWDC version of Swift 3 …
swift nsnotificationcenter nsnotifications nsnotification swift3Basically, I have a view1 which at some point, calls view2 (via presentModalViewController:animated:). When a certain UIButton in view2 …
ios objective-c nsnotificationI saw a few examples about adding observer and handle in the same class, but what I want to know …
ios objective-c nsnotificationcenter nsnotification observersHow do I check if an UIViewController is currently being displayed? My UIViewControllers are listening for NSNotifications - even if …
objective-c ios uiviewcontroller nsnotificationcenter nsnotificationI usually use NSNotification like the sample below: In viewDidLoad: [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(foo:) name:kName1 object:…
iphone ios ipad nsnotificationCan anybody explain the importance of NSNotificationCenter? Where to use them? What is the difference between NSNotificationCenter vs. AppDelegate?
iphone nsnotificationI have a UITextField with this NSNotification: [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(textFieldDidChange:) name:@"UITextFieldTextDidChangeNotification" object:_searchTextField]; - (void)…
iphone objective-c uitextfield nsnotificationcenter nsnotificationSo i have an app with an In App purchase. The In App purchase is managed in FirstViewController. When the …
objective-c ios nsnotificationcenter nsnotificationI am using MPMoviePlayerController, how do I detect when the movie actually started playing - as opposed to when the …
ios mpmovieplayercontroller nsnotificationcenter seek nsnotificationI need to create two classes and both should be able to send and receive the events through the NSNotificationCenter …
objective-c nsnotification nsnotificationcenter