core-animation

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How to nest multiple CA animations?

How to nest multiple CA animation like UIView animateWithDuration does? For example, I need to animate 6 animations where each next animation goes after previous one. So, with UIView animateWithDurati[详细]

2023-03-28 18:07 分类：问答
Objective C iPad Animation with large images - What method to use?

I\'m trying to build a weather application on the iPad but it seems that I need some help in animation. Say I\'m animating a Radar, so the radar source files have 10 gif/jpeg pictures in 900x700 pixel[详细]

2023-03-28 12:45 分类：问答
Animating CAShapeLayer with moving frame

Using core animation layers, I\'ve been trying to implement the following feature. Within a containing superlayer, there are two anchor layers, and another layer that connects the two.The following im[详细]

2023-03-28 11:44 分类：问答
Bad text rendering with Core Animation

First of all, I know this topic has been brought up several times before but I\'m posting this question because none of the \"solutions\" I\'ve used in the past have worked in this specific case. I\'m[详细]

2023-03-28 00:54 分类：问答
How to wait for animation to finish from unit tests

I\'m using Xcode\'s OCUnit to write unit tests, and my tests call a method that performs an animation.[详细]

2023-03-28 00:08 分类：问答
Why Core Animation methods are class methods but not instance methods?

In Core Animation framework, why the methods beginAnimations:context: and commitAnimations are class methods of UIView?[详细]

2023-03-27 21:54 分类：问答
How to Find All CALayers assoicated with an nsview?

I\'m hosting Apple\'s Pitch Shift Audio Unit plugin in Mac OSX 10.7 Lion. The pitchShiftView is made up of CALayers: one for eac开发者_高级运维h knob etc.[详细]

2023-03-27 18:12 分类：问答
iPhone "Wobbly" animation on UiImageView

I\'m trying to make an icon \"shaking\". On loading my controller I create a Timer like this: [NSTimer scheduledTimerWithTimeInterval:0.2 target:self selector:@selector(shakeIphoneP开发者_C百科ic) u[详细]

2023-03-27 14:41 分类：问答
Animating UIButton alpha with a PNG background: why does the animation get bright white as it transitions from alpha = 0 to alpha = 1?

This is something that is stumping me; I have a simple UIButton with the following PNG as it\'s background:[详细]

2023-03-27 02:47 分类：问答
IOS: problem with alpha

I have this code, where successview start with alpha = 0.00 - (void) startAnimation{ //immediately [UIView beginAnimations:nil context:NULL];[详细]

2023-03-26 22:48 分类：问答