如何在弹出的UIViewController中删除UIParallaxDimmingView? [英] How to remove UIParallaxDimmingView in pop UIViewController?

问题描述

我有一个 UIViewController vc1 ，它被推送到 UIViewController vc2 之后. vc1 和 vc2 都具有透明背景.

I have a UIViewController vc1 which is pushed after UIViewController vc2. Both vc1 and vc2 are with transparent background.

问题:当我尝试使用交互式弹出手势(从边缘平移)弹出 vc2 时，在我的视图堆栈中会出现神秘的 UIParallaxDimmingView ，这会使我的堆栈变暗(在透明视图控制器下有一个背景图像).松开手指，取消或完成过渡后，它将再次变得清晰/透明.

Problem: When I try to pop vc2 with interactive pop gesture (pan from edge), in my view stack appears mysterious UIParallaxDimmingView which darkens my stack (under transparent view controllers there is a background image). As soon as I release finger, cancel or finish transition it becomes clear/transparent again.

如何禁用/删除 UIParallaxDimmingView 或将其设置为透明?

How can i disable/remove UIParallaxDimmingView or set it transparent?

推荐答案

如果在尝试使用交互式弹出手势弹出VC(从边缘平移)时推送VC(仍处于动画状态)，则该应用程序可能被冻结.这可以帮助您:

If it is pushing a VC(still animating) when you try to pop VC with interactive pop gesture(pan from edge), the app may be frozen. This can help you :

/ set gesture no when pushViewController /
- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
{
    if ([self respondsToSelector:@selector(interactivePopGestureRecognizer)]) {
        self.interactivePopGestureRecognizer.enabled = NO;
    }

    [super pushViewController:viewController animated:animated];
}

/ set gesture yes when showViewController /
- (void)navigationController:(UINavigationController )navigationController didShowViewController:(UIViewController )viewController animated:(BOOL)animated
{
    if ([navigationController respondsToSelector:@selector(interactivePopGestureRecognizer)]) {
        navigationController.interactivePopGestureRecognizer.enabled = YES;
    }

    / if rootViewController, set delegate nil /
    if (navigationController.viewControllers.count == 1) {
        navigationController.interactivePopGestureRecognizer.enabled = NO;
        navigationController.interactivePopGestureRecognizer.delegate = nil;
    }
}

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