部分页面卷曲动画

Question

UIViewAnimationTransitionCurlUp然而,我有一个工作过渡使用,我希望动画中途停止,就像地图应用程序...有关如何实现这一点的任何想法？

Answer 1

在iOS 3.2或更高版本,你可以给你UIViewController一个UIModalTransitionStyle的UIModalTransitionStylePartialCurl.从UIViewController 参考文献中我们看到

typedef enum {
  UIModalTransitionStyleCoverVertical = 0,
  UIModalTransitionStyleFlipHorizontal,
  UIModalTransitionStyleCrossDissolve,
  UIModalTransitionStylePartialCurl,
} UIModalTransitionStyle;

因此,一个示例用例将是:

UIViewController *viewController;
// …create or retrieve your view controller…

// Note: The modalPresentationStyle must be UIModalPresentationFullScreen,
//       and the presenter must also be a full-screen view
viewController.modalPresentationStyle = UIModalPresentationFullScreen;
viewController.modalTransitionStyle = UIModalTransitionStylePartialCurl;

Answer 2

我找到了一个使用Animation块将UIView添加到UIViewController的解决方案.

m_Container是一个包含我的视图动画(自我)的UIView.自我是一个UIView.

注意:您需要导入QuartzCore

要使用页面卷曲动画呈现视图,您可以使用:

-(void)PresentView
{
    [UIView animateWithDuration:1.0 
                     animations:^{
                         CATransition *animation = [CATransition animation];
                         [animation setDelegate:self];
                         [animation setDuration:0.7];
                         [animation setTimingFunction:UIViewAnimationCurveEaseInOut];
                         animation.type = @"pageCurl";
                         animation.fillMode = kCAFillModeForwards;
                         animation.endProgress = 0.65;
                         [animation setRemovedOnCompletion:NO];
                         [m_container.layer addAnimation:animation forKey:@"pageCurlAnimation"];  
                         [m_container addSubview:self];
                         ;}  
     ];    
}

当你想要隐藏这个视图时,你可以使用:

-(void)HideHelpView
{
    [UIView animateWithDuration:1.0 
                     animations:^{
                         CATransition *animation = [CATransition animation];
                         [animation setDelegate:self];
                         [animation setDuration:0.7];
                         [animation setTimingFunction:UIViewAnimationCurveEaseInOut];
                         animation.type = @"pageUnCurl";
                         animation.fillMode = kCAFillModeForwards;
                         animation.startProgress = 0.35;
                         [animation setRemovedOnCompletion:NO];
                         [m_container.layer addAnimation:animation forKey:@"pageUnCurlAnimation"];  
                         [self removeFromSuperview];

                         ;}  
     ];

}

我希望我能帮助你.

Answer 3

地图部分卷曲是私有 API。您可以在 Erica Sadun 的书The iPhone Developer's Cookbook中找到有关如何使用它的详细信息，但您将因使用它而被 App Store 拒绝。