cakeyframeanimation

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Manipulating UIImageView During Animation with CAKeyframeAnimation

I need to move object (UIImageView) from point A to point B, then rotate image at point B by 180 degrees to face开发者_StackOverflow the opposite direction and move object from B to A (backwards).[详细]

2023-04-01 11:10 分类：问答
iOS UIBezierAnimation curves, howto to create some sort of arc?

I\'m pretty sure this is a rather simple and straightforward question for anyone that has ever tried this before , but i\'m kind of a newbie to what you would call \"advanced\" animation.[详细]

2023-03-29 07:25 分类：问答
CAKeyframeAnimation and sprite sheet animation problem

I have a CAKeyframeAnimation of a sprite sheet\'s contentsRects property to show an animation in a CALayer. Everything works most of the time, but occasionally I see a wrong part of sprite sheet for a[详细]

2023-03-13 04:59 分类：问答
CAKeyframeAnimation for backgroundColor...causes crash

I enumerate an array with this code and it cra开发者_Python百科shes. I think it is because I am wrapping the colors incorrectly, but how should I pass them?[详细]

2023-03-09 02:07 分类：问答
Rotate UIButton randomly on screen

I want to rotate a button randomly on a screen. No specific path defined it can move randomly on a view.[详细]

2023-03-08 04:29 分类：问答
Are the key frames in a CAKeyframeAnimation always hit exactly?

Can anyone tell me if the key frames in a CAKeyframeAnimation are always guaranteed to be hit with their exact values when the animation runs? Or... do they only act as interpolation guides? e.g. If I[详细]

2023-03-07 20:56 分类：问答
Animating Frame with CoreAnimation

I\'m trying to animate position of some subviews in a scrollview. I want to create a specific effect as they slide in. I was just using implicit animation by changing the frame on UIView but when they[详细]

2023-03-06 11:42 分类：问答
CAKeyframeAnimation - move along path and use easing

Is it possible to use CAKeyframeAnimation to move something along a path and at the same time use some sort of eas开发者_Go百科ing so there is acceleration or deceleration?I know there is timingFuncti[详细]

2023-03-02 14:15 分类：问答
How to get position during animation which uses CALayer and CGPath in iPhone

hI, I am workng on animation using CALayer and CAPath. Here I am animating an Image from top to bottom of screen.I gave starting and ending position for[详细]

2023-02-27 00:10 分类：问答
CAKeyframeAnimation on complete

I have several CAKeyframeAnimation objects in my class. They all have self as the delegate. In my animationDidStop function, how can I tell where the call is coming from?[详细]

2023-02-20 15:53 分类：问答