In short, when the property value changing, I have to update some logic in my code, for example: - (void)setProp:(NSString *)theProp
In AcaniUsers, I\'m downloading the closest 20 users to me and displaying their profile pictures as thumbnails in a table view. User & Photo are both Resources because they each have an id (Mong
How can I a开发者_运维技巧dd a KVO to the currentPlaybackTime property of a MPMoviePlayer class?You cannot add a KVO to currentPlaybackTime since the property is not explicitly declared as KVO compati
there are 2 object: A and B call [A addObserver:B for keyPath:...]; if i release object A in somewhere.
What is the preferred approach to registering observers on an NSManagedObject (since Core Data \"\'owns\' the lifecycle\" of managed objects)?
I\'m looking for a way to be notified when a generic UIView is added or removed from the visible view hierarchy. KVO looked like the perfect thing to use in this case, but observing changes to a view\
I have a class \"Compass\" which is intended to be the observer of another class \"SensorA\", \"SensorB\" oder \"SensorC\". The problem is I dont know the observed class before runtime. I used reflect
I have simple setter like - (void) setValue: (int) newVa开发者_StackOverflow社区l { value = newVal;
What\'s the most simple way to implement a plain data object which conforms key-va开发者_开发百科lue-observing?Make an class with properties for its plain value attributes and KVC-compliant collection
Using iOS 4.3 on an ipad app I have a custom NSOperation that uses an http request to process fragments of xml the operations are used in an NSOperationQueue. For the most part the app runs fine but,
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