Top "Core-animation" questions

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

Animating a custom property of CALayer subclass

I have a CALayer subclass, MyLayer, that has a NSInteger property called myInt. I'd really like to animate this property …

iphone core-animation calayer
How to specify selector when CAKeyframeAnimation is finished?

I'm using a CAKeyframeAnimation to animate a view along a CGPath. When the animation is done, I'd like to be …

iphone core-animation cakeyframeanimation catransaction
CAEmitterLayer how to emit for a short time repeatedly

I'm playing around with CAEmitterLayer and I face some problems now :( I need a short particle effect - like a …

ios uiview core-animation calayer caemitterlayer
CAAnimation -1 repeat count?

how can i make my CAKeyframeAnimation have a never ending repeat count? I tried animation.repeatCount = -1; but it only …

iphone core-animation cakeyframeanimation
vertical color gradient

Horizontal gradient is working fine. Is there any way to get a vertical color gradient from horizontal gradient? I have …

iphone cocoa cocoa-touch core-animation iphone-sdk-3.2
How do I animate opacity using swift?

Could someone please provide me with an example of animating the opacity of an Image View in swift?? I couldn't …

swift uiimageview core-animation cabasicanimation nsvalue
Animate custom CALayer properties inside a CATransaction

Until now I've been able to animate the custom properties of my CALayer subclass, thanks to + (BOOL)needsDisplayForKey:(NSString *)key …

iphone properties core-animation catransaction
How to flip a UIView around the x-axis while simultaneously switching subviews

This question has been asked before but in a slightly different way and I was unable to get any of …

objective-c ios cocoa-touch core-animation caanimation
pull to refresh animation like mail in iOS6

I am an iOS developer and recently i got installed the newest iOS 6 on testing. As i came across with …

ios core-animation pull-to-refresh
How to Animate CoreGraphics Drawing of Shape Using CAKeyframeAnimation

I am trying to animate the drawing of a UIBeizerPath (in my example a triangle) in a UIView subclass. However, …

uiview core-animation core-graphics cakeyframeanimation