ios Swift 中的弹出视图
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Pop Up View in Swift
提问by juelizabeth
I have a popover view (without a tab bar) that is popped over to a view controller with a tab bar. In the view controller with a tab bar I set up a button to click, so that the view controller pops up:
我有一个弹出视图（没有标签栏），它弹出到带有标签栏的视图控制器。在带有标签栏的视图控制器中，我设置了一个单击按钮，以便弹出视图控制器：
@IBAction func PopUpClicked(_ sender: UIButton) -> Void {
let popOverVC = UIStoryboard(name: "SpinningWheel", bundle: nil).instantiateViewController(withIdentifier: "PhotoPopUp") as! PopUpViewController
self.addChildViewController(popOverVC)
popOverVC.view.frame = self.view.frame
self.view.addSubview(popOverVC.view)
popOverVC.didMove(toParentViewController: self)
}
And in the popOver view controller, i animated the pop over.
在 popOver 视图控制器中，我为 pop over 设置了动画。
override func viewDidLoad() {
super.viewDidLoad()
self.view.backgroundColor = UIColor.black.withAlphaComponent(0.8)
self.showAnimate()
// Do any additional setup after loading the view.
}
func showAnimate()
{
self.view.transform = CGAffineTransform(scaleX: 1.3, y: 1.3)
self.view.alpha = 0.0;
UIView.animate(withDuration: 0.25, animations: {
self.view.alpha = 1.0
self.view.transform = CGAffineTransform(scaleX: 1.0, y: 1.0)
});
}
func removeAnimate()
{
UIView.animate(withDuration: 0.25, animations: {
self.view.transform = CGAffineTransform(scaleX: 1.3, y: 1.3)
self.view.alpha = 0.0;
}, completion:{(finished : Bool) in
if (finished)
{
self.view.removeFromSuperview()
}
});
}
But when the popover happens, Everything has a faded black background, which I want except for the tab bar. I would like for the pop over View to also pop over the tabbar and for the faded black background to go over it.
但是当弹出窗口发生时，一切都有一个褪色的黑色背景，除了标签栏外，我想要。我希望弹出视图也弹出标签栏，并让褪色的黑色背景越过它。
This is what I want it to look like:
这就是我想要的样子：
With the black faded background covering the tabbar
黑色褪色背景覆盖标签栏
回答by weissja19
This happens, because you have to present your popover as a modal ViewController. To achieve this you have to set the modal presentation style before presenting your popover from your target ViewController. This code should be called in your presenting ViewController:
发生这种情况是因为您必须将弹出窗口显示为模态 ViewController。为此，您必须在从目标 ViewController 呈现弹出窗口之前设置模态呈现样式。此代码应在您呈现的 ViewController 中调用：
let vc = YourPopOverViewController(nib: UINib(name: "PopOverViewController", bundle: nil), bundle: nil)
vc.modalPresentationStyle = UIModalPresentationStyle.OverCurrentContext
tabBarController.present(vc, animated: true)
EDIT:
编辑：
This should do the trick if you have designed your PopOverViewControlleras a fullscreen ViewController. I have done this a bunch of times and have left the space which should not be presented as clear background:
如果您将自己设计PopOverViewController为全屏 ViewController，这应该可以解决问题。我已经这样做了很多次，并留下了不应作为清晰背景呈现的空间：
@IBAction func PopUpClicked(_ sender: UIButton) -> Void {
let popOverVC = UIStoryboard(name: "SpinningWheel", bundle: nil).instantiateViewController(withIdentifier: "PhotoPopUp") as! PopUpViewController
popOverVc.modalPresentationStyle = UIModalPresentationStyle.OverCurrentContext
tabBarController.present(popOverVC, animated: true)
}
回答by huync
This 3rd party EzPopup can resolve the problem easily: https://github.com/huynguyencong/EzPopup
这个 3rd 方 EzPopup 可以轻松解决问题：https: //github.com/huynguyencong/EzPopup
// init YourViewController
let contentVC = ...
// Init popup view controller with content is your content view controller
let popupVC = PopupViewController(contentController: contentVC, popupWidth: 100, popupHeight: 200)
// show it by call present(_ , animated:) method from a current UIViewController
present(popupVC, animated: true)
