nsnotifications

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access object passed in NSNotification?

I have a NSNotification that is posting a NSDictionary: NSDictionary* dict = [NSDictionary dictionaryWithObjectsAndKeys:[详细]

2023-03-21 03:31 分类：问答
Is there an NSNotification for phone call status

Is there an NSNotification we can o开发者_如何学JAVAbserve for when the device is on/off the phone? The NotificationCenter doesn\'t send out any notifications abou this, but take a look at the CTCallC[详细]

2023-03-18 22:55 分类：问答
Closing specific NSDocument instance with notifications

I have the following issue. I am trying to reproduce an XCode-开发者_运维技巧like \"new project\" workflow in a small IDE I build. For this I have a sheet that runs modal in the window created by the[详细]

2023-03-18 07:20 分类：问答
How should an IPhone notification-type application show user there is a notification unobtrusively

I have a program that basically just queries a webservice, and if any data is returned it will show that information to the user, but if there is nothing to display it will just wait until the next sc[详细]

2023-03-17 06:04 分类：问答
NSNotification does not reach all Observers

I use NSNotification for a particular set of events. I have three views such that I have an \"ADD\" button on view 1 and clicking that makes me navigate from view 1 to view 2 to view 3 and again back[详细]

2023-03-12 14:14 分类：问答
NSNotificationCenter: is it possible for it to listen in to other classes that do not explicitly post Notifications?

I am trying to listen for UIViewController methods being triggered (-viewDidLoad, -viewDidAppear, -viewDidUnload, -viewDidDisappear and so on) without modifying the actual code in the methods. Is this[详细]

2023-03-10 02:54 分类：问答
How to receive NSNotifications from Objective-C in C++ classes?

I have an Objective-C++ class that adds itself as an observer for an event on a Cocoa NSView. I would like to be able to send the NSNotifications to a method of a C++ class instead of an Objective-C m[详细]

2023-03-06 07:04 分类：问答
NSNotification issue

i want to show the alert box in my whole applicaton when we got the response from my Signin how it is possible?[详细]

2023-03-03 02:30 分类：问答
Connection notification to resume NSOperationQueue

I need to download some images from the Internet and right now I\'m using NSOperationQueue. I want to know if it is possible to receive an Internet connection notification to be able to pause/resume[详细]

2023-03-01 06:33 分类：问答
Delegates and performSelectorOnMainThread

I\'m slightly confused over the use of these two. I have a background thread which does the heavy lifting of downloading data and applying it to the Core Data Database within the iOS device.[详细]

2023-02-27 06:09 分类：问答