在导航控制器中重新选择视图控制器时，整个屏幕为空白
[英]When segueing back to view controller in navigation controller, entire screen is blank
问题描述
Right now, I have a view controller that is embedded within a navigation controller and that has a collectionView in it. 
现在，我有一个视图控制器，该视图控制器嵌入在导航控制器中，并且其中包含collectionView。 When the user presses a button, I segue to another view controller which works fine, but when that user wants to go back to the original view controller, I have a segue but the original view controller simply shows up blank. 当用户按下按钮时，我选择了另一个工作正常的视图控制器，但是当该用户想要返回到原始视图控制器时，我有一个选择，但是原始视图控制器只是显示为空白。 Please help! 请帮忙！ I have attached my storyboard 我已经附上了故事板
1 个解决方案
解决方案1
1 2018-08-31 02:33:43
为此，您应该退出segues，否则，当您想返回上一个视图时，只需将下面的代码行放入即可。
self.dismiss(animated: true, completion: nil)
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