iOS使用Core Graphics製作動畫

 //建立CATransition對象    CATransition  *animation = [CATransition animation];    animation.delegate = self;    //設定動畫時間    animation.duration = 1.0;    //設定動畫快慢(開始與結束時較慢)    animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];    //動畫種類    animation.type = @"cube";    //設定動畫方向    animation.subtype = kCATransitionFromTop;    //動畫開始    [[scrollArea layer] addAnimation:animation forKey:@"animation"];

ps使用其它幾種方式製作動畫： http://www.cnblogs.com/lovecode/archive/2011/11/05/2237077.html