//
//  UILabel+Animation.swift
//  PaiAi
//
//  Created by zhengjianfei on 2017/3/29.
//  Copyright © 2017年 FFIB. All rights reserved.
//

import UIKit

extension UILabel: CAAnimationDelegate {
    func addGraduallyIntoAnimation() {
        self.isHidden = false
        let animation = CAKeyframeAnimation(keyPath: "bounds.size.width")
        animation.duration = 1.5
        let array = [0, self.width]
        animation.values = array as [AnyObject]
        animation.delegate = self
        self.layer.add(animation, forKey: "")
    }

    public func animationDidStop(_ anim: CAAnimation, finished flag: Bool) {
        Delay(1) {
            self.isHidden = true
        }

    }
}