Swift 动画片段 

   
        UIView.transitionWithView( self.WeatherDetailsView, duration: 0.7, options: .TransitionCrossDissolve, animations: {
            self.WeatherDetailsView.alpha = 0.75;
            self.WeatherView.alpha = 0;
            }, completion: nil)
posted @ 2016-07-22 10:52  yesicoo  阅读(304)  评论(0)  编辑  收藏  举报