Swift，如何将现有的uiview转换为uiscrollview？

Question

I have a storyboard with just one view at the moment but i needed to add 5 more textfields. So i like to enable the vertical scroll. I thought i just had to change the class of the viewcontroller from UIView to UIScrollView:

Besides changes the class what else should i do so i can enable vertical scroll for this view?? Only thing i have in viewDidLoad()

    override func viewDidLoad() {
    super.viewDidLoad()
    // Do any additional setup after loading the view, typically from a nib.

    // Set date to today
    let today = dateToday()
    dateInvoice.text = today
}

edit ok i got the scrolling part working, but the hide/dismiss keyboard part doesn't work anymore. How do i dismiss the keyboard if a user clicks outside a textfield in scrollview

    //HIDE KEYBOARD
func textFieldShouldReturn(textField: UITextField) -> Bool {
    textField.resignFirstResponder()
    return true
}
override func touchesBegan(touches: Set<UITouch>, withEvent event: UIEvent?) {
    self.view.endEditing(true)
}
//END HIDE KEYBOARD

Edit 2: I found a workable solution thanks to: Swift UIScrollView : keyboard doesn't dismiss interactively

Answer 1

Select your textfields and then In menu:

Editor->Embed in->Scroll view

Then make the scrollview the right size and if you're using autolayout add the needed constraints.

Answer 2

You can't just magically turn a UIView into a UIScrollView. Either delete the UIView and replace it by a scroll view, or else (easier) keep the UIView and drag a scroll view into it (and pin it on all four sides).