Check to see how many observers you have. > On Aug 18, 2017, at 4:23 AM, Nick <[email protected]> wrote: > > Hello > I am having a weird problem. > I have a slider and a textfield with number formatter, both bound to a > NSUserDefaultsController's "values" controller key and the "someVal" > property. > > I am also registering for notifications in the -viewDidLoad of the view > controller: > > [[NSUserDefaults standardUserDefaults] addObserver:self forKeyPath: > @"someVal" options:0 context:nil]; > > > The problem is that observeValueForKeyPath is being called twice every time > I move the slider or enter a new value in the edit. > > > The viewDidLoad is executed only once (checked with an NSLog). > > > It is easily reproducible. > > Why this might happen? > > macOS Sierra. > _______________________________________________ > > Cocoa-dev mailing list ([email protected]) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/zav%40mac.com > > This email sent to [email protected]
_______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
