How to implement to get UIAccessibilityVoiceOverStatusChanged Notification? I tried like below 开发者_StackOverflow社区but nothing happens :
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...
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
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
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?
I\'m trying to listen for EKEventStoreChangedNotification to check if the calendar is changed while my app is in background.
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
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
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
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
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