nsnotificationcenter

相关标签：javascript jquery android 多少钱 iPhone

How To Get UIAccessibilityVoiceOverStatusChanged Notification

How to implement to get UIAccessibilityVoiceOverStatusChanged Notification? I tried like below 开发者_StackOverflow社区but nothing happens :[详细]

2023-02-05 12:25 分类：问答
Place a breakpoint on the NSNotificationCenter

Is there any way to break on the NSNotificationCenter posting a Note with a certain name? I have a class that for some reason don\'t receive en expected note...[详细]

2023-02-05 11:42 分类：问答
Help With NSNotifcation and Asynchronous Downloading

I am sending a notification from one view to another view. My problem is that the notification in the view that I am calling in my cellForRowAtIndexPath method is only getting sent when the tableview[详细]

2023-02-01 14:40 分类：问答
Cocoa Touch - Display an Activity Indicator while loading a UITabBar View

I have a UITabBar Application with two views that load large amounts of data from the web in their \"viewWillAppear\" methods. I want to show a progress bar or an activity indicator while this data is[详细]

2023-01-31 19:27 分类：问答
What can be causing this crash?

I\'ve recently had a crash concerning a selector not being found when a notification was posted using NSNotificationCenter. What can be causing this error?[详细]

2023-01-26 08:39 分类：问答
Responding to EKEventStoreChangedNotification

I\'m trying to listen for EKEventStoreChangedNotification to check if the calendar is changed while my app is in background.[详细]

2023-01-24 12:08 分类：问答
How to pass a NSDictionary with postNotificationName:object:

I am trying to pass an NSDictionary form a UIView to a UIViewController using NSNotificationCenter. The dictionary works fine at the time the notification is posted, but in the receiving method I am u[详细]

2023-01-24 05:26 分类：问答
Strange NSNotificationCenter crash

I have a problem with NSNotificationCenter. Now it crashes, but a few days ago, when I added the Notification, it worked properly. In the time between I added some code that has nothing to do with tha[详细]

2023-01-17 20:46 分类：问答
Monitoring Apples "System Events" with Cocoa

I was wondering if there was a way to write a Cocoa app that listened for OS system events such as an application launching, a window switches, etc, 开发者_JAVA百科etc. My thought was to watch [NSNotf[详细]

2023-01-16 09:46 分类：问答
Mac OS X - monitor app launch?

I want to write a simple menubar app for Mac OS X. The user will only want to use that app when Safari is opened. To not clutter the menubar unnecessarily, I want to hide and show the menubar icon dep[详细]

2023-01-15 15:35 分类：问答