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        弹出 UIViewController

        Popup UIViewController(弹出 UIViewController)
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                1. 本文介绍了弹出 UIViewController的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我正在尝试制作一个弹出窗口,该弹出窗口将通过按下按钮呈现.尝试按照我在谷歌中找到的说明进行操作,但我的弹出视图以全屏形式呈现,其背景为黑色.这是我的代码:

                  I'm trying to make a popup which will be presented by pressing a button. Tried to follow instructions which i found in google but my pop view presenting in a full screen and its background is black. Here is my code:

                  class ViewController: UIViewController, UIPopoverPresentationControllerDelegate {
                  
                      @IBAction func someButtonPressed(sender: UIButton) {
                          let storyboard : UIStoryboard = UIStoryboard(name: "Main", bundle: nil)
                          let popupVC = storyboard.instantiateViewControllerWithIdentifier("hello") as! popupViewController
                          popupVC.modalPresentationStyle = .Popover
                          popupVC.preferredContentSize = CGSizeMake(300, 300)
                          let pVC = popupVC.popoverPresentationController
                          pVC?.permittedArrowDirections = .Any
                          pVC?.delegate = self
                          pVC?.sourceView = sender
                          pVC?.sourceRect = CGRect(x: 100, y: 100, width: 1, height: 1)
                          presentViewController(popupVC, animated: true, completion: nil)
                      }
                  }
                  

                  我做错了什么?

                  推荐答案

                  要让您的视图控制器显示为弹出窗口,您应该设置以下内容:

                  To make your view controller shown as a popup, you should set the following:

                  popupVC.modalPresentationStyle = .OverCurrentContext
                  popupVC.modalTransitionStyle = .CrossDissolve
                  

                  您还应该设计视图控制器的位置和大小,使其看起来像一个弹出窗口.

                  You should also design your view controller's position, size to make it look like a popup.

                  这是我之前做的弹出窗口.

                  Here is my popup that i did before.

                  这篇关于弹出 UIViewController的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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