带有自定义动画的屏幕弹出控制器时出现黑色效果? [英] Black effect when screen popping controller with custom animation?

问题描述

我从导航控制器弹出一个视图控制器.当我弹出控制器时，我想给它动画，比如推视图控制器.为此我使用下面的代码

I am popping a view controller from navigation controller.When i am popping controller i want to give it animation like Pushing a view controller.For that purpose i am using below code

    CATransition* transition = [CATransition animation];
    transition.duration = 0.3f;
    transition.type = kCATransitionPush;
    transition.subtype = kCATransitionFromRight;
    [self.navigationController.view.layer addAnimation:transition
                                                forKey:kCATransition];

    [self.appDelegate setUpForLVC];
    [self.navigationController popViewControllerAnimated:NO];

当动画开始时，我在这里得到黑色效果.请告诉我我的代码有什么问题?

When animation starts i get black effect here.Please tell me what is the issue with my code ?

推荐答案

在 didFinishLaunchingWithOptions 中添加这段代码

add this code in didFinishLaunchingWithOptions

self.window.backgroundColor = [UIColor whiteColor];
self.window.tintColor = [UIColor whiteColor];


      **OR**
2)Set animation duration to 0

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