[swift] slide animation

case 1.

let transition = CATransition() transition.type = CATransitionType.push transition.subtype = CATransitionSubtype.fromLeft memoView.layer.add(transition, forKey: nil) memoView.addSubview(countChartView) memoView.addSubview(closeMemoButton)

case 2.

UIView.transition(with: self.memoView, duration: 1.0, options: [.transitionFlipFromRight], animations: {       memoView.addSubview(countChartView) //       self.memoView.removeFromSuperview() }, completion: nil)