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swift view float on keyboard show

Lucky Lapwing answered on February 12, 2021 Popularity 2/10 Helpfulness 9/10

answer swift view float on keyboard show

swift view float on keyboard show

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//swift 4.2 and above "5.3 tested"
override func viewDidLoad() {
    super.viewDidLoad()            
    NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow), name: UIResponder.keyboardWillShowNotification, object: nil)
    NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillHide), name: UIResponder.keyboardWillHideNotification, object: nil)
}

@objc func keyboardWillShow(notification: NSNotification) {
    if let keyboardSize = (notification.userInfo?[UIResponder.keyboardFrameEndUserInfoKey] as? NSValue)?.cgRectValue {
        if self.view.frame.origin.y == 0 {
            self.view.frame.origin.y -= keyboardSize.height
          //we can also change constraints runtime
        }
    }
}

@objc func keyboardWillHide(notification: NSNotification) {
    if self.view.frame.origin.y != 0 {
        self.view.frame.origin.y = 0
      //this area will set old constraints again
    }
}

Popularity 2/10 Helpfulness 9/10 Language swift

Source: stackoverflow.com

Tags: keyboard show swift view

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Contributed on Feb 12 2021

Lucky Lapwing

0 Answers Avg Quality 2/10

swift view float on keyboard show

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