如何使UIButton边框看起来像下面的图像(“入门”)按钮与透明背景?
如何使用故事板或如何以编程方式实现这一点?
将backgroundColor设置为clearColor使按钮变得透明.尝试下面的代码.您可以根据需要配置和更改borderAlpha,cornerRadius和颜色.
- let borderAlpha : CGFloat = 0.7
- let cornerRadius : CGFloat = 5.0
- button.frame = CGRectMake(100,100,200,40)
- button.setTitle("Get Started",forState: UIControlState.Normal)
- button.setTitleColor(UIColor.whiteColor(),forState: UIControlState.Normal)
- button.backgroundColor = UIColor.clearColor()
- button.layer.borderWidth = 1.0
- button.layer.borderColor = UIColor(white: 1.0,alpha: borderAlpha).CGColor
- button.layer.cornerRadius = cornerRadius