如何以编程方式更改uibutton的背景颜色 [英] How to change backgroundcolor of uibutton programmatically

问题描述

如何将按钮的背景颜色更改为黑色?

How would I change the background color of a button to black?

推荐答案

如果您想以编程方式更改按钮的颜色，则必须使按钮的类型自定义为:-

If you want to programatically change the colour of button you will have to make the type of button as custom as :-

UIButton *button = [UIButton buttonWithType:uibuttontypecustom];
note "uibuttontypecustom"

然后您可以通过 [btn setBackgroundColor:[UIColor blackColor]]; 更改背景，或者您可以使用 上的 steImage 方法设置黑色背景图像btn.

and then you can change backgroung by [btn setBackgroundColor:[UIColor blackColor]]; or you can set a black backgroung image by using steImage method on btn.

这篇关于如何以编程方式更改uibutton的背景颜色的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！