ios Xcode - 单击按钮时更改按钮背景颜色

Xcode - Change button background colour on Button click

提问by Greg

I know this might have been asked before but, I've been trying to find an answer to this for ages. I am new to Xcode and would like to know, how do you change a buttons background colour when it is tapped?

我知道以前可能有人问过这个问题，但是，多年来我一直试图找到答案。我是 Xcode 的新手，想知道如何在点击按钮时更改按钮的背景颜色？

Thanks

谢谢

回答by 4GetFullOf

Below code will change your button's background color to a blackColor.. You can change to whatever color you desire

下面的代码会将您按钮的背景颜色更改为 blackColor.. 您可以更改为您想要的任何颜色

- (IBAction)buttonClicked:(id)sender {

    yourButton.backgroundColor = [UIColor blackColor];


}

回答by Greg

You can call setBackgroundColor: in method which fired when button pressed:

您可以调用 setBackgroundColor: 在按下按钮时触发的方法中：

- (IBAction)buttonPressed:(id)sender
{
    UIButton *btn = (UIButton*)sender;
    [btn setBackgroundColor:[UIColor redColor]];
}