core-animation

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iOS Core Animation - Fold a Layer

Using Core Animation, I would like to fold a UIView (i.e. it\'s CALayer) on it\'s center. i.e. I would set the anchor point as (0.5,0.5) & fold the layer. This image that I created 开发者_如何学Go[详细]

2023-03-26 07:52 分类：问答
How to get solution for stopping/resuming CABasicAnimation working?

I\'m using CABasicAnimation for rotating UIImageView and I\'m unable to resume paused animation. The animation starts in viewDidLoad method:[详细]

2023-03-26 06:53 分类：问答
iOS Align a UIView parallel to X-Z plane

I realize that by default a UIView is parallel to the X-Y plane, the Z-axis coming straight at you. How do I rotate this UIView so that it is parallel to X-Z plane? I think I have to use CATransform[详细]

2023-03-26 02:21 分类：问答
Creating itunes store style "jump" animation

I am creating a bookmarking feature for my app开发者_如何学Go, I\'d like to show the user what happens in a way similar to itunes store, when you buy something it jumps to tabBar. I once watched some[详细]

2023-03-25 21:08 分类：问答
how to stop an already running animation

I am doing some animation using block level technique. I want to stop the animation on the basis of certain condition. How will I stop the animation from completing?[详细]

2023-03-25 17:12 分类：问答
When taking screenshot by drawing UIView over UIImage with renderInContext my UIImage is not displayed

I\'m using the sample code from http://developer.apple.com/library/ios/#qa/qa1714/_index.html almost verbatim and I can save my background image or my overlay but I can\'t combine the two.When I try a[详细]

2023-03-25 11:07 分类：问答
Arabic style Page Flip/Curl in Xcode or Core Animation

I want to use Page Flip/Curl transition for my Arabic ebook iPad project (left to right transition). I had research any framework or API support left to right page curl/flip, but no resource is开发者_[详细]

2023-03-24 22:50 分类：问答
What is the idea/algorithm behind the Tab close animation on Safari on iPad?

I\'m looking to recreate the (collapse into a point) safari.app tab close animation. Can some animation gurus chime开发者_StackOverflow in on some algorithms/pointers on how to achieve this?The tab cl[详细]

2023-03-24 20:07 分类：问答
iPhone: create animating UITextField in UINavigationBar?

Does anyone know how to creat开发者_JS百科e a UITextField similar to the \'Google\' search field in the iPhone Safari App? The bar when clicked, animates to fill up the entire NavigationBar & add[详细]

2023-03-24 12:11 分类：问答
iOS SDK- How to detect touch on Pie Chart slice?

I have developed an animat开发者_如何学编程ed Pie Chart, in which when a user clicks on a Pie Chart slice, it comes out of the chart. Currently, I am drawing each slice of the Pie on a different CGLay[详细]

2023-03-24 06:38 分类：问答