uikit

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Issue with CGRectMake for Button Size

I am having an issue with resizing my button with CGRectMake. As you can see below, it should be working, but it doesn\'t change at all.[详细]

2023-04-12 02:02 分类：问答
IOS 5 unrecognized selector send at appearance proxy for setBackgroundImage

Like a lot of developers I am playing around with the new features of IOS 5. I tried to use appearance proxy\'s for customizing my App. But at some methods I get an error.[详细]

2023-04-11 22:51 分类：问答
setEnabled Not working on UIButton

I disable a button with [myButton开发者_如何学编程 setEnabled: NO]. Then, I try to enable it with [myButton setEnabled: YES]. And nothing happens. Do I forgot something?Check out your interface builde[详细]

2023-04-11 21:44 分类：问答
XCode 4 stopped highlight and recognizing UIKit classes on project

Hi i get problem with xCode 4. I develope project with XCode4 on home and on work. And i store it on my USB flash drive.[详细]

2023-04-11 16:36 分类：问答
Prevent UINavigationController's navigation bar to animate?

My UINavigationController\'s navigation bar is kind of static. This means, there is no back button, because going back in the stack is done via the first entry of the UITableView the controller holds.[详细]

2023-04-11 04:27 分类：问答
UIScrollView - setting proper contentOffset for new contentSize yields undesirable empty space

I have been juggling for a while with UIScrollView now. What I am trying is to insert subv开发者_JAVA技巧iews into the scrollView based on various factors. Since I have scrollview to scroll only in ve[详细]

2023-04-11 04:19 分类：问答
How to remove UIImage Background color and make it transparent?

I wanted to remove UIImage background color and make it transparent... I tried this but the following code just changing White background colorinto Black Color.[详细]

2023-04-10 20:19 分类：问答
invalid context error when drawing a UIImage

I am trying to draw a UIImage to the context of my UIView. I\'ve used this code with the context stuff commented in and out ...[详细]

2023-04-10 16:41 分类：问答
iOS UIFont caching?

I am trying to figure out if I should cache [UIFont fontWithName:@\"myfont\" size:24]. I am reusing this font in many plac开发者_如何学运维es. I am wondering if iOS is already caching this for me beca[详细]

2023-04-10 16:03 分类：问答
What is the proper way to make it so core graphics does not lag?

I use UIBezierPath for finger painting (my app). I create it using path = [UIBezierPath bezier path]; . It constantly lags on the iPad (and calling it from within drawrect did not change anything). I[详细]

2023-04-10 07:55 分类：问答