xcode 如何在模态 swift 4 中呈现 ViewController

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时间:2020-09-15 10:28:58  来源:igfitidea点击:

How to present ViewController in modaly swift 4

iosxcodeuiviewcontrollerswift4

提问by wizmea

How can i present viewController in modal. am a new beginner in ios and am using swift4 I try this

我如何在模态中呈现 viewController。我是 ios 的新手,正在使用 swift4 我试试这个

 let userVC = mainStoryboard.instantiateViewController(withIdentifier: 
  "menuC") as! MenuController
    userVC.modalPresentationStyle = UIModalPresentationStyle.overCurrentContext
      userVC.navigationController?.modalPresentationStyle = 
    UIModalPresentationStyle.overCurrentContext
    present(userVC, animated: true, completion: nil)

回答by wizmea

Do like this

这样做

if let presentedViewController = self.storyboard?.instantiateViewController(withIdentifier: "menuC") {
        presentedViewController.providesPresentationContextTransitionStyle = true
        presentedViewController.definesPresentationContext = true
        presentedViewController.modalPresentationStyle = UIModalPresentationStyle.overCurrentContext;
        presentedViewController.view.backgroundColor = UIColor.init(white: 0.4, alpha: 0.8)
        self.present(presentedViewController, animated: true, completion: nil)
    }