Top "Core-animation" questions

Core Animation is Apple's framework for performing hardware-accelerated animation of display elements on the Mac and iOS devices.

iPhone UIView Animation Best Practice

What is considered best practice for animating view transitions on the iPhone? For example, the ViewTransitions sample project from apple …

iphone ios cocoa-touch uiview core-animation
UIView Infinite 360 degree rotation animation?

I'm trying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them …

ios objective-c animation uiview core-animation
Cancel a UIView animation?

Is it possible to cancel a UIView animation while it is in progress? Or would I have to drop to …

ios core-animation uiviewanimation
How do I apply a perspective transform to a UIView?

I'm looking to perform a perspective transform on a UIView (such as seen in coverflow) Does anyonew know if this …

ios cocoa-touch uiview core-animation calayer
Fade In Fade Out Animation

Here is some code I struggle with for a while. If you start the fade in animation, the label text …

ios cocoa-touch core-animation
CALayer: add a border only at one side

I can add a border to a CALayer in this way: [webView.layer setBorderColor: [[UIColor colorWithRed:0.6 green:0.7 blue:0.2 alpha:1] CGColor]]; […

iphone objective-c core-animation calayer
UIView vertical flip animation

I have an iOS UIView with UIViewAnimationTransitionFlipFromRight. I need it to flip vertically though. The page curl transition won't cut …

ios uiview core-animation
Removing all CALayer's sublayers

I have trouble with deleting all of layer's sublayers. I currently do this manually, but that brings unnecessary clutter. I …

objective-c cocoa core-animation
Animation End Callback for CALayer?

I'm wondering where the callbacks are (or if there are anything) for animations in a CALayer. Specifically, for implied animations …

iphone core-animation
How to identify CAAnimation within the animationDidStop delegate?

I had a problem where I had a series of overlapping CATransition / CAAnimation sequences, all of which I needed to …

iphone core-animation