关于UIView中animation方法

Question

[UIView animateWithDuration:<#(NSTimeInterval)#> delay:<#(NSTimeInterval)#> options:<#(UIViewAnimationOptions)#> animations:<#^(void)animations#> completion:<#^(BOOL finished)completion#>]

options:<#(UIViewAnimationOptions)#> :以下各个类型都有什么作用？

UIViewAnimationOptionCurveEaseInOut            = 0 << 16, // default
UIViewAnimationOptionCurveEaseIn                 = 1 << 16,
UIViewAnimationOptionCurveEaseOut              = 2 << 16,
UIViewAnimationOptionCurveLinear                 =3 << 16,

Answer 1

http://blog.sina.com.cn/s/blo...