uiviewanimation

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"modifying layer that is being finalized" error when popping navigation controller

I\'m using navigation controller for my app. In one of views I have an animation that is fired by timer.[详细]

2023-03-20 19:05 分类：问答
Repeating UIAnimation block, and a way to stop it again

I wanted to do a small loader animation to put in my app. I have done repeating animations before with CGAnimations without problems, this time I was going for the block approach.[详细]

2023-03-18 15:16 分类：问答
how to neatly re-arrange button display on willAnimateRorationToInterfaceOrientation

I\'m teaching myself more iOS by duplicating Apple\'s calculator app. I\'ve gotten the whole portrait mode working.[详细]

2023-03-15 14:14 分类：问答
CATiledLayer is being rendered underneath a UIView

I\'m making a PDF reader that looks like a real book. I have a UIImageView inside a scrollview as the book\'s background (imagine an open book with empty pages).The UIImageView\'s layer has 2 sublaye[详细]

2023-03-14 10:27 分类：问答
How can I get rid of "ghost" text that appears in UITextField after clearing the field programmatically?

I have a strange problem with a UITextField - I am setting the value of it to @\"\" (or anything else still causes it) and then shrinking the field with to zero. Next time I unshrink it, it displays t[详细]

2023-03-13 15:53 分类：问答
UIView animation block not waiting

I have this code: [UIView animateWithDuration:0.8 animations:^{ [self methodToRun]; } completion:^(BOOL finished){[详细]

2023-03-13 04:06 分类：问答
Exclude certain actions from animating in a UIView animation block?

I have some code that n开发者_JAVA技巧eeds to run inside UIView animation brackets, but I want it be exempt from being animated, so all the code on either side of it is animated but it isn\'t. Is ther[详细]

2023-03-12 08:15 分类：问答
iOS - How to slow down UISlider animation?

I\'m trying to slow down the animation of the UISlider when changing values. So far, I\'ve tried the old UIView animation method:[详细]

2023-03-12 06:49 分类：问答
Effect of page turning

开发者_Go百科There\'s any alternative for UIViewAnimationTransitionCurlUp andUIViewAnimationTransitionCurlDown, me need auto effect page turning like in real book.[详细]

2023-03-11 02:52 分类：问答
uiviewanimationstate release. program crashes randomly

The application crashes very rarely. One time it crashed, and I got the following report: [UIViewAnimationState release]:message sent to deallocated instance[详细]

2023-03-10 21:45 分类：问答