我只是不得不在我的應用程序之一實現這一點。
我通過添加一個覆蓋整個視圖和此按鈕的按鈕,一旦點擊觸發VC就被解僱了。
一旦添加按鈕,您可以添加您的自定義視圖頂部。
到目前爲止,它看起來像工作得很好。
我下面的代碼(我做的一切程序,沒有故事板)
//—————————————————————————————
// MARK: View Life Cycle
//—————————————————————————————
override func viewDidLoad() {
super.viewDidLoad()
view.backgroundColor = UIColor.clear //VC view background transparent
setupUI()
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
//Animate blackView opacity to 1 to give some depth
UIView.animate(withDuration: 0.4, delay: 0.2, options: .curveEaseInOut, animations: {
self.blackView.alpha = 1
})
}
//————————————————
// MARK: Setup UI
//————————————————
let blackView: UIView = {
let view = UIView()
view.alpha = 0.0
view.backgroundColor = UIColor.black.withAlphaComponent(0.6)
return view
}()
//Invisible button which covers the entire view that can be tapped
lazy var dismissLayerBtn: UIButton = {
let btn = UIButton()
btn.addTarget(self, action: #selector(tapToDismiss), for: .touchUpInside)
return btn
}()
@objc func tapToDismiss() {
print("tapToDimiss")
self.dismiss(animated: true, completion: nil)
}
let milestonePickerView: MilestonePickerView = {
let view = MilestonePickerView(frame: .zero)
return view
}()
func setupUI() {
view.addSubview(blackView)
view.addSubview(dismissLayerBtn)
view.addSubview(milestonePickerView) //Important to add the customView after the button.
blackView.anchor(top: view.topAnchor, left: view.leftAnchor, bottom: view.bottomAnchor, right: view.rightAnchor, paddingTop: 0, paddingLeft: 0, paddingBottom: 0, paddingRight: 0, width: 0, height: 0)
dismissLayerBtn.anchor(top: view.topAnchor, left: view.leftAnchor, bottom: view.bottomAnchor, right: view.rightAnchor, paddingTop: 0, paddingLeft: 0, paddingBottom: 0, paddingRight: 0, width: 0, height: 0)
milestonePickerView.anchor(top: nil, left: view.leftAnchor, bottom: view.bottomAnchor, right: view.rightAnchor, paddingTop: 0, paddingLeft: 20, paddingBottom: 40, paddingRight: 20, width: 0, height: 400)
//I'm using a custom extension to setup constraints (anchors)
}
如果你使用的故事板,請確保你把隱形按鈕自定義視圖下。
我希望這會有所幫助。
嗯......我從來沒有使用過這個屬性,這可能是我爲什麼無法弄清楚的原因:D 我會嘗試一下,我會反饋你 –
它沒有用。以某種方式設置該屬性,手勢識別器不會觸發。 它可能認爲該視圖對用戶不可用,因爲它不在頂層視圖層次結構中。 應該有辦法在屏幕上的任何位置檢測觸摸,而不管呈現的視圖如何,然後檢查觸摸位置是否高於彈出窗口,然後我知道何時解僱 –