Send Notification When a Property is Changed Using KVO

Question

I had a property named myName in my class, like:

@property (nonatomic, strong) NSString *myName;

I need to send a notification whe

Answer 1

Try this:

MyClass *var = [MyClass new];
[var addObserver:self forKeyPath:@"myName" options:NSKeyValueChangeOldKey context:nil];

and implement

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{

}

this method will be called anytime when myName property changes