calayer
How to resume a CAAnimation after coming back from multitasking
in my app i have an array of CALayer that I have animated along a be开发者_如何学PythonzierPath. When I close and reopen the app my layers are not animating and not in the same position as before clos[详细]
2023-03-22 02:23 分类:问答Can I curl down a transparent overlay image that looks transparent in the animation?
Currently I am using UIView\'s +transitionWithView method to add an overlay by adding a UIImageView that contains a transparent image as a subview of my main view.I am using the curl down transition o[详细]
2023-03-22 00:49 分类:问答Have a CALayer with many sublayers. When setNeedsDisplay is called on a sublayer, I get an invalid context error
I just rewrote my game to use core animation in an effort to make it faster. I have a UIView with开发者_如何学Python a layer that contains many sublayers (the game \"tiles\"). The tile sublayers are a[详细]
2023-03-21 07:01 分类:问答Pulsing UIButton subclass
I\'m making a simple UIButton subclass that \"pulses\" by changing the alpha using UIView animations. The problem I\'m having is setting the alpha to 1 (100%) when the user touches down on the button.[详细]
2023-03-21 01:04 分类:问答Simple example of CALayers in an NSView
I am trying to add several CALayers to an NSView but my view remains empty when shown: Here is my code:[详细]
2023-03-20 17:06 分类:问答CALayer with rotation animation
I have masked an image like this开发者_Python百科: UIView *maskImage; maskImage = [[UIView alloc] init];[详细]
2023-03-20 10:10 分类:问答CALayer does not seem to be defined
I wanted to add rounded Rects to a UITextView as explained in How to style UITextview to like Rounded Rect text field?. However when I do this I receive an error message that the methods used there ar[详细]
2023-03-18 18:24 分类:问答can't get CALayer containsPoint to work
I\'ve got an array of CALayers containing images which can be moved around by the user, and i\'m trying to use containsPoint to detect if they have been touched - the code is as follows:[详细]
2023-03-18 11:32 分类:问答How to make CALayer resizeable?
How can I make CALayer resizable? When I insertSublayer into tableViewCell, then change the cell height, how can I make it fit to the new size of the cell?[详细]
2023-03-17 17:48 分类:问答Getting "Single stepping until exit from function CALayerGetDelegate, which has no line number information." in iphone sdk
My code is as follows: if ([dematAllocationDict count] > 0) { [dematTableV reloadData]; // debugger stops here[详细]
2023-03-16 21:51 分类:问答