I would like to know how I can get the diameter (or radius) o开发者_Go百科f an expanding circle animation at a at any point in time during the animation. I will end up stoping the animation right afte
How do you implement kCATransitionPush using CAAnimation subclasses in iOS? CAAnimation *animation; // How do you create an animation that does the same than:
How I can animate two sets of images one on the other on xcode? I mean that one set is background or landscape and the other set is a figure in the bac开发者_Python百科kgroundHere\'s a basic approach
I\'m trying to recreate UIViewAnimationTransitionFlipFromRight (and left). My reason for doing so, as shown below, is to make changes to AVCaptureVideoPreviewLayer in the middle of the animation, when
I\'m attempting to use this code to animate a CALayer\'s backgr开发者_JS百科ound color: CABasicAnimation *animation = [CABasicAnimation animationWithKeyPath:@\"backgroundColor\"];
I have a 200x200 pixel CALayer instance to which I\'ve applied two transformations: scaled开发者_运维技巧 down to 50%
I want to draw a line(on iphone) such that i can view each pixel being draw. I am currently calling the drawRect method using a timer.
Is there any way to tell if a UIView is in the middle of an animation?When I print out the view object while it is moving I notice that there is an \"animations\" entry:
Can anybody please help me with this problem? I have the nsarray of lines and I need to write them one afte开发者_如何学Gor the other within some UIView (I want to animate the hand drawing).Here is th
I would like to create a custom animation on an UIButton. The animation should be similar to a progress bar and when the user presses the button, it should start. My UIButton is an custom one, added w
加载中,请稍侯......