I have a UIView that I want to animate to the position where the user\'s finger currently is. So, when the touch begins, it has to anim开发者_高级运维ate to the tap location.
I have a method in which a bunch of layers are positioned, and a single \"activated\" layer (b开发者_开发知识库asically a layer that the user has clicked on) is both positioned and resized at the same
I am trying to render a UIView hierarchy into a CGContext or ultimately a UIImage.Some of the child views have 3D transforms, which renderInContext: ignores along with shadows and some other CALayer p
I have a custom view that has to track the user\'s location. I put the following code in touchesBegan, as well as in touchesMoved:
I have seen How to identify CAAnimation within the animationDidStop delegate?, this is an addition to it.
I can draw a path...and i am somewhat sure that i need to use affine transform. what i don\'t get is how to rotate the path and keep the same center.
I have UIView animation [UIView beginAnimations开发者_C百科:nil context:NULL]; [UIView setAnimationDuration:25];
I have been trying to render PDF documents into a CATiledLayer, but this appears to be slowing down the rendering process on the iPad.
I need guidance towards the right direction to take here. I want to build a spinning wheel control where a user can select an element.
CoreAnimation is a pretty easy thing, but: [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:30];