Could someone please provide me with an example of animating the opacity of an Image View in swift?? I couldn't even find a good example in objective c func showCorrectImage(element: AnyObject){ ...

I am trying to save CLLocation data in Core Data. My property is set as a Transformable object. Some sample code out there indicates one can save the location data using this objc converted to an ...

In CABasicAnimation.fromValue I want to convert a CGPoint to a "class" so I used NSValue valueWithPoint but in device mode or simulator one is not working... need to use NSMakePoint or CGPointMake ...

As my question title says how can I convert CGPoint into NSValues so I can store then Into array In swift. In objective-C we can do it like this: // CGPoint converted to NSValue CGPoint point =...

this is supposed to be trivial… I think, but I can't find a way how to wrap a Struct variable into an NSObject. Is there a method to do so? If not, how would I go about adding a struct into an NSMu...

I was trying to make use of AVPlayer's addBoundaryTimeObserverForTimes method from swift and ran into a problem converting CMTimes to NSValues, which is what addBoundaryTimeObserverForTimes take as...

Here's what I've tried so far func onKeyboardRaise(notification: NSNotification) { var notificationData = notification.userInfo var duration = notificationData[UIKeyboardAnimationDurationUserInf...

This code class ID<T: AnyObject> : NSValue { init(baseObject: T) { super.init(nonretainedObject: baseObject) } } gives this compiler error: error: must call a designated initializer of...

I was trying to encode an MKMapView center and span into an NSKeyedArchiver for state preservation. I found a couple of handy new MapKit NSValue additions, valueWithMKCoordinate: and valueWithMKCoo...

I need to set zoomScale back to 1 on a UIScrollView, but I need it to be animated. I thought I could use CABasicAnimation for this, but NSValue doesn't seem to have a "valueForFloat" or "valueForNS...

I'm storing Chipmunk Physics' cpShape objects in an NSMutableDictionary by way of NSValue objects and the following lines of code: NSValue *shapeValue = [[NSValue alloc] initWithBytes: shape objCT...