如何改变ViewController在PopViewController上的动画方向

Question

可以改变ViewContoller流行动画的方向吗？

现在，当我们推VC的时候，它会显示动画幻灯片，从左到右，从右到左。

但我想要在流行VC上从左到右的动画幻灯片。

我试过使用UIViewAnimationTransition。

[UIView  beginAnimations:nil context:NULL];
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
[UIView setAnimationDuration:0.75];
[UIView setAnimationTransition:UIViewAnimationTransitionFlipFromLeft forView:self.navigationController.view cache:NO];
[UIView commitAnimations];

[UIView beginAnimations:nil context:NULL];
[UIView setAnimationDelay:0.375];
[self.navigationController popViewControllerAnimated:NO];
[UIView commitAnimations];

但是它没有我需要的动画，那就是从左到右的幻灯片。这就是我得到的动画

typedef enum {
   UIViewAnimationTransitionNone,
   UIViewAnimationTransitionFlipFromLeft,
   UIViewAnimationTransitionFlipFromRight,
   UIViewAnimationTransitionCurlUp,
   UIViewAnimationTransitionCurlDown,
} UIViewAnimationTransition;

Answer 1

我使用了以下代码。

将此添加到didFinishLaunchingWithOptions中

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    //This line of code needed so you will not see the back window when its pop, match it with your app design.
    self.window.backgroundColor = [UIColor whiteColor];
    return YES;
}

如果您的POP代码添加了这些代码，

CATransition* transition = [CATransition animation];
transition.duration = 0.4f;
transition.type = kCATransitionPush;
transition.subtype = kCATransitionFromRight;
[self.navigationController.view.layer addAnimation:transition
                                            forKey:kCATransition];
[self.navigationController popViewControllerAnimated:NO];

检查这个GIF的结果，

http://www.giphy.com/gifs/l2YSeBELE1phMEd5S

Answer 2

干杯，这里是迅捷的3.0 ~ 4.0版本。

let transition = CATransition()
transition.duration = 0.4
transition.type = kCATransitionPush
transition.subtype = kCATransitionFromRight
self.navigationController?.view.layer.add(transition, forKey: kCATransition)
self.navigationController?.popViewController(animated: false)

Answer 3

您可以在您的案例中使用[UIView beginAnimations:]。你需要的话可以用setTransitionStyle。查看苹果文档中的雪崩UIViewAnimationTransitionStyle，请参阅此class/uiview/uiview.html