相关疑难解决方法(0)

我已经建立了一个从底部出现的视图,并在一段时间后隐藏它并且运行良好,但我想在UIView课堂上作为模态,我查看了互联网,但我无法理解如何做到这一点.

snake = UIView(frame: CGRect(x: 0 , y: self.view.frame.size.height-66, width: self.view.frame.size.width, height: 66))
snake.backgroundColor = UIColor(red: 50/255, green: 50/255, blue: 50/255, alpha: 1.0)


let label = UILabel(frame: CGRect(x: 12, y: 8, width: snake.frame.size.width-90, height: 50))
label.text = "Connection error please try again later!!"
label.textColor = UIColor.whiteColor()
label.numberOfLines = 0
label.font = UIFont.systemFontOfSize(14)
snake.addSubview(label)

let button = UIButton(frame: CGRect(x: snake.frame.size.width-87, y: 8, width: 86, height: 50))
button.setTitle("OK", forState: UIControlState.Normal)
button.setTitleColor(UIColor(red: 76/255, green: 175/255, blue: 80/255, alpha: 1.0), forState: UIControlState.Normal) …