添加自定义过渡会导致 xib 加载错误的屏幕尺寸 [英] Adding a custom transition causes xib to load for the wrong screen size

问题描述

我正在尝试向具有 xib 的 UIViewController 添加自定义过渡.我尝试了几种方法，但它们都有相同的问题，视图显示的屏幕尺寸错误.

我当前的示例基于以下教程:

白色的 UIView 设置为居中，宽度为 80%，比例为 1:1.

我的 UIViewController 使用以下内容加载:

让thirdViewController = ThirdViewController()第三视图控制器.transitioningDelegate = viewTransitionDelegate第三视图控制器.modalPresentationStyle = .customnavigationController?.present(thirdViewController，动画:true，完成:nil)

如果我注释掉设置委托，视图将 100% 完美加载:

最后，我有另一个 UIViewController，它没有 xib 并且以编程方式设置约束.此视图加载了相同的过渡并完美加载:

我需要更改什么才能使其与 XIB 一起使用?

解决方案

我花了很长时间寻找答案，然后从 侧边栏中的相关问题之一.

我需要做的就是将以下内容添加到我的动画师中:

toViewController.view.frame = fromViewController.view.frame

我希望有一天这对某人有所帮助.

I'm trying to add a custom transition to a UIViewController which has a xib. I have tried a few approaches but they all have the same issue, the view displays for the wrong screen size.

My current example is based on the following tutorial: Custom UIViewController transition in iOS with Swift

I have made no changes to the TransitionDelegate or Animators.

Here's the view in the xib and in the simulator:

The white UIView is set to centre, 80% width with a 1:1 ratio.

My UIViewController is loaded using the following:

let thirdViewController = ThirdViewController()
    thirdViewController.transitioningDelegate = viewTransitionDelegate
    thirdViewController.modalPresentationStyle = .custom
    navigationController?.present(thirdViewController, animated: true, completion: nil)

If I comment out setting the delegate the view will load 100% perfectly:

Finally, I have another UIViewController which has no xib and the constraints are set programmatically. This view is loaded with the same transition and loads perfectly:

What do I need to change to get this working with XIBs?

解决方案

I spent ages looking for an answer to this and then found it from one of the related questions in the sidebar.

All I needed to do was add the following to my animator:

toViewController.view.frame = fromViewController.view.frame

I hope this helps someone one day.

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