Wat?
Another tip I would add is that messages sent to observeValueForKeyPath:ofObject:change:context: may not occur on the main thread. For example, if you have multiple operations in an NSOperationQueue (like web service…
Wat?
Another tip I would add is that messages sent to observeValueForKeyPath:ofObject:change:context: may not occur on the main thread. For example, if you have multiple operations in an NSOperationQueue (like web service…