nsnotificationcenter

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NSNotification-implementation for other class events?

HI, in my ViewController.m i´ve added a NSNotification in \"viewDidLoad\" like this: [[NSNotificationCenter defaultCenter] addObserver:self[详细]

2023-01-10 07:41 分类：问答
NSNotifications only being sent within the same object

Hey there, so I\'ve got an NSObject subclass sending out a message via开发者_运维百科 the notification center,and I\'m sending out my notifications out to the object nil but the only object that can r[详细]

2023-01-07 07:03 分类：问答
NSNotificationCenter selector not being called

In my iPad app, in one class I register for a notification: NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];[详细]

2023-01-05 21:51 分类：问答
Why does NSNotificationCenter throw an exception when I release it?

This isn\'t so much a qu开发者_StackOverflowestion as a pondering thought - why does NSNotificationCenter throw an exception when it\'s released? I\'m still new to iPhone development, and thus don\'t[详细]

2023-01-04 10:10 分类：问答
Tableview reload data problem iphone sdk

I have a class A which is a subclass of uitableviewcontroller and one more class B which actually displays my tableview with its content is a subclass of A.[详细]

2023-01-03 20:54 分类：问答
Warning for iOS/iPhone users about duplicate NSNotification observations

This isn\'t a question so much as a warning to others to save them some time. NSNotificationCenter on iOS 3/iPhone OS 3 (I\'m assuming also Mac OS X and iOS 4) has the following behavior:[详细]

2023-01-03 19:35 分类：问答
Invalidating UITableView contents

I have an application with several UITableViewControllers. Now, the user is allowed to change \"Data source\". In that case I need to invalidate (reset) data in the relevant UITableViews.[详细]

2023-01-02 09:35 分类：问答
iPhone - Launching selectors from a different class

I\'d like to reload a table view which is in another class called \"WriteIt_MobileAppDelegate\" from one of my other classes which is called \"Properties\". I\'ve tried to do this via the NSNotificati[详细]

2022-12-31 11:10 分类：问答
How to post and receive an NSNotifications (Objective C) | Notifications (in Swift)?

Is there an easy-to-grock pattern how to send a NSNotification (Objective C) | Notification (in 开发者_如何学编程Swift) and how to receive one? Code snippet? The docs write like 150 pages on the topic[详细]

2022-12-27 18:27 分类：问答
NSNotification vs. Delegate Protocols?

I have an iPhone application which basically is getting information from an API (in XML, but maybe JSON eventually). The result objects are typically displayed in view controllers (tables mainly).[详细]

2022-12-22 23:23 分类：问答