Key-value Observing or KVO is a technology for observing changes in object properties.
In my model I have an array of objects called events. I would like my controller to be notified whenever …
ios model-view-controller delegates key-value-observing nsnotificationcenterI have an object in objective-c at runtime, from which I only know the KVC key and I need to …
objective-c runtime properties types key-value-observingI am trying to use key-value observing in one of my classes. I register the observers in the init method …
objective-c cocoa-bindings observer-pattern key-value-observingI was wondering what you should set the Context pointer in KVO when you are observing a property. I'm just …
objective-c key-value-observingI had a property named myName in my class, like: @property (nonatomic, strong) NSString *myName; I need to send a …
ios objective-c properties key-value-observingIt seems that the UIView has not methods like "didRemoveFromSuperview" or "willRemoveFromSuperview".Then,How to listen to the event when …
ios iphone uiview key-value-observingI've looked on SO for examples of using Key Value Observing with an NSArray (or NSMutableArray) and apparently you need …
iphone objective-c nsarray key-value-observing nsarraycontrollerRegarding "Ensuring KVO Compliance", there are some official definition which seem like hard to understand In order to be considered …
ios key-value-observingI'm getting the following in my output window when running a project: An -observeValueForKeyPath:ofObject:change:context: message was received …
objective-c key-value-observingIn my UIScrollView subclass, I'm observing frame changes: [self addObserver:self forKeyPath:@"frame" options:0 context:NULL]; My observeValueForKeyPath:ofObject:change:…
ios key-value-observing