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Questions tagged [cakeyframeanimation]

Describes an animation that provides keyframe interpolation of a layer property in Apple's Core Animation framework.

CAKeyframeAnimation is a Core Animation animation type that provides keyframe interpolation of a layer property. Instances should be created with the initializer animationWithKeyPath:.

For more information, see the Apple Documentation for CAKeyframeAnimation.

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iOS CAKeyframeAnimation strange image rotation

I'm facing a strange issue on CAKeyFrameAnimation. Here's the code: //Inside the selector method of the button CAKeyframeAnimation *anim = [CAKeyframeAnimation animationWithKeyPath:@"position"]; [anim setDelegate:self]; anim.path =…
Niccolò Passolunghi
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How to write a Bezier curved path on the fly with one fixed point and one changing

If I have an object performing this CAKeyframe Animation path (it is just an oval shape in the upper region of an iphone.. UIBezierPath *trackPath = [UIBezierPath bezierPathWithOvalInRect:CGRectMake(20, 100, 280, 150)]; Now imagine that at anytime…
darbid
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Two CGpaths - 1 CAAnimation - but the second path should be repeated

If I have a path which starts at the top of the screen and eases down into an oval shape. I would like to once in the oval shape for the animation to keep repeating the oval shape. How do I do this with CAKeyframeAnimations? Do I have two and…
darbid
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CAKeyframeAnimation with Path build with CGPathAddArcToPoint doesn't work

I have a keyframeAnimation and I define a Path, but the animation doesn't work. Do you see anything wrong? :S Here is the code: CAKeyframeAnimation *animKF = [CAKeyframeAnimation animationWithKeyPath:@"position"]; CGMutablePathRef animationPath =…
torhector2
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RotationMode doen't work in a CAKeyframeAnimation (linear path)

I try to make my view rotate as long as it goes through the path (linear path) but it doesn't rotate. This is my code: CAKeyframeAnimation *animKF = [CAKeyframeAnimation animationWithKeyPath:@"position"]; animKF.values = [NSArray…
torhector2
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modifying dynamically the duration of CAKeyframeAnimation

In my code I create a CAKeyframeanimation with an infinite repeat count, add it to a specific CALayer. I would like to modify the duration (= the speed) of the animation while animating, without the need of restarting my animation. So when i click…
Plot
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How to Animate UIView embedded in UITableViewCell

On didSelectRowAtIndexPath, I am reloading selected row and changing heightForRowAtIndexPath so that selected tableview cell can expand. This is working fine. So as soon reloading expanding done I have to animate a UIView which is in the back of a…
Tariq
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Memory Management for CGImageCreateWithImageInRect used for CAKeyFramAnimation

I'm using CAKeyFrameAnimation to animate few png images. I cut them from one png image by using CGImageCreateWithImageInRect When I run Analyze function in XCode it shows me potential memory leaks. They are beause of CGImageCreateWithImageInRect.…
D33
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keep calayer from moving to original position

CAKeyframeAnimation *anim = [CAKeyframeAnimation animationWithKeyPath:@"position"]; NSArray *times = [NSArray arrayWithObjects:[NSNumber numberWithFloat:0.0], [NSNumber numberWithFloat:0.33], [NSNumber numberWithFloat:0.5], [NSNumber…
user1422132
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2 animations on same object, only last shows. How to show first one w/o nesting completion block?

I'm doing two animations on the same UIImageView, using blocks. Animations are not quite back to back, but almost; there is some logic inbetween. animate UIImageView from one location on the view to another. execute logic that determines whether…
andrewmobile
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Animated ViewController works in iOS 5, but not iOS 4

I am loading ViewControllerA inside ViewController B. It is a small animated character, inside a larger scene. Inside ViewControllerA, there is a rotation animation like: CAKeyframeAnimation *bobble = [CAKeyframeAnimation …
Fluffhead
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Animate to one specific keyframe value of an CAKeyframeAnimation

I have four positions in my CAKeyframeAnimation that are part of a bezier path and my animation is working great along the path. But now I need the animated sprite to be moved to one specific value of the keyframe position values. how could I…
headkit
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Implicit animation not working

As I'm trying to override implicit animation on the position property, the layer quickly flashes to the destination position and then starts my explicit animation: CAKeyframeAnimation* animation = [CAKeyframeAnimation animation]; animation.path =…
cocoapriest
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Pulling animation on ios

Please i need to know how can i do pulling effect using multiple image. Those images must follow a specific path each image beside another one like a train. is there any solution than looping. what i wanna exactly is those image move simultaneously.
Abdel Ali
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UITouch touchesMoved Finger Locations Animating a View via CAKeyframeAnimation

I am re-writing my question because it is modified a lot and now it became a new question. - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [touches anyObject]; location = [touch…
Val Nolav
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