I have a C++ class that I recently renamed from *.cpp to *.mm to support objective-c. So I can add the following objective-c code.
This question already has an answer here: NSNotification VS KVO (1 answer) 开发者_如何学Python Closed 8 years ago.
I have a menucell on a menuviewcontroller and a button in a mapviewcontroller. When I click on the button in mapviewcontroller, I want to set the menucell contents to null.
The code here is a modal view launched from the RootViewController and is to display a video with a thumbnail filmstrip below the movie and then timed instructions bound to the movie.
I ha开发者_运维百科ve two view that when you switch from one to another, they call a notification to the view that\'s about to get loaded to refresh the content. The weird thing is that the first time
A UIViewController adds itself to the default center: [[NSNotificationCenter defaultCenter] addObserver:self
I am debugging an issue that occasionally causes my app to crash with a WebTryThreadLock message in the crash report. It looks like the app is crashing because the NSUserDefaultsDidChangeNotification
I am converting an existing iPhone app for the iPad app. The iPhone app was built using a container viewcontroller (UINavigationController) which presented the user first with a custom viewcontroller
I have been developing Cocoa Apps for a while and I have a conceptual question regarding the Singleton \"pattern\" and the use of the NSNotificationCenter for communication.
I have a UINavigationController where the user can go back/fourth. When the user goes back, I want that UIView to reload. ( I am actually using an OHGridView ). On my ViewWillDisappear, I do something
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