UIView Animation 动画效果

1.     [UIView beginAnimations:@"View Flip" context:nil];
2.     [UIView setAnimationDuration:1.25];
3.     [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
4.     
5.     UIViewController *coming = [[UIViewController alloc] init];
6.     UIViewController *going =  [[UIViewController alloc] init];
7.     UIViewAnimationTransition transition;
8.     
9.     coming.view = self.view.superview;
10.     going.view = self.view;
11.     transition = UIViewAnimationTransitionCurlUp;
12.     
13.     [UIView setAnimationTransition:transition forView:self.view.superview cache:YES];
14.     [coming viewWillAppear:YES];
15.     [going viewWillDisappear:YES];
16.     [going.view removeFromSuperview];
17.     [going viewDidDisappear:YES];
18.     [coming viewDidAppear:YES];
19.     
20.     [UIView commitAnimations];