I\'ve been expanding my horizons recently and am trying to start utilizing KVO more in my programming.
I\'m trying to use a KVO example I got from an iPhone tutorial book, but get this exception Terminating app due to uncaught exception \'NSInternalInconsistencyException\', reason: \'<UINavigationC
Pe开发者_如何学JAVArfect KVO here includes two parts: add observer correctly and remove observer correctly.
(I hope someone will correct my terminology if I get it wrong -- I\'m still sorting out terms) I have a series of classes in my model. I need to get some data from a url (SatDataGetter) and combine i
UIButton has a state property, which appears to be KVO compliant by all accounts开发者_运维技巧 and there is no documentation to indicate otherwise.However, when I added an observer to a UIButton\'s s
I am wondering if it would be possible to save and restore the observer of keyPaths of CoreData Entities.
I have a table view controller whose cells display the content of a different object. Since the content of these objects can be updated, I use KVO to be notified of changes in order to update the tabl
I have a class with a property definition like so: // Interface @property (retain) __attribute__((NSObject)) CGImageRef thumbnailImage;
My model objects are lazy-loaded from an SQLite database. Don\'t ask why, but the code uses QuickLite to populate the objects, which means that some housek开发者_运维百科eeping has to be performed bef
I\'ve created a custom subclass of NSOperation and I\'ve overwritten the main method. @interface WGTask : NSOperation
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