nd-utilities:对于懒人

越来越多的有用的实用程序类集合。 无损检测： NDTweener *tweener = [NDTweener sharedNDTweener ]; // simple view tween [tweener tweenFrame: label frame: CGRectMake ( 10.0 , 10.0 , 100.0 , 100.0 ) duration: 1.0 transition: tweenSineEaseIn]; // view tween with delay [[tweener tweenFrame: testView frame: newRect duration: 0.5 transition: tw