制作一个明确的（transluscent）UIBarButttonItem IOS 5 [英] Make a clear(transluscent) UIBarButttonItem IOS 5

问题描述

我正在尝试使用以下代码为UIBarButtonItem设置色调颜色，但我得到的只是一个黑色按钮。有没有办法做到这一点，而无需使用自定义图片

I am trying to set the tint color for a UIBarButtonItem using the following code, but all I get is a black button. Is there a way to accomplish this without the need to use custom images?

[[UIBarButtonItem appearance] SetTintColor:[UIColor clearColor]]:

推荐答案

创建自定义的UIBarButtonItem与按钮

create a custom UIBarButtonItem with a button

UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
[button setImage:buttonImage forState:UIControlStateNormal];

//set the frame of the button to the size of the image (see note below)
button.frame = CGRectMake(0, 0, 24, 24);
button.backgroundColor=[UIColor clearColor];    
//create a UIBarButtonItem with the button as a custom view
UIBarButtonItem *customBarItem = [[UIBarButtonItem alloc] initWithCustomView:button];

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