[英]Dismissing to root view controller without showing nested / intermediate view controller
我想关闭所有中间子视图控制器并显示根视图控制器。
以下代码有效: self.view.window?.rootViewController?.dismiss(animated: true, completion: nil)
但是,我可以简要地看到中间视图控制器在它动画关闭到根视图控制器之前闪烁。 无论如何,它只是直接动画到根视图控制器?
您可以尝试再次设置 rootViewController 如下:
let navigationController = UINavigationController(rootViewController: ViewController)
let appdelegate = UIApplication.shared.delegate as! AppDelegate
appdelegate.window!.rootViewController = navigationController
你需要打电话
self.view.window?.rootViewController?.dismiss(animated: false, completion: nil)
动画假如果你不想看到中间控制器它仍然闪烁你可以隐藏其他呈现的视图或使它们的 alpha 0
喜欢
if let first = presentedViewController,
let second = first.presentedViewController,
let third = second.presentedViewController {
second.view.alpha = 0
first.view.alpha = 0
third.dismiss(animated: false)
}
或直接设置为 rootViewController
let appDelegate = UIApplication.shared.delegate as! AppDelegate
appDelegate.window?.rootViewController = YourViewController
或在 IOS 13 场景委托中
let scene = UIApplication.shared.connectedScenes.first
if let getSceneDelegate : SceneDelegate = (scene?.delegate as? SceneDelegate) {
getSceneDelegate.window?.rootViewController = YourController
}
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