/Swift/Swift view float on keyboard show

Swift view float on keyboard show

//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
    }
}

Source: stackoverflow.com

Similar codes

0 vote320 views1 answer
Mac os
Swift
1 vote340 views1 answer
Swift animate a label ishidden
Swift
0 vote358 views1 answer
Button click programmatically swift
Swift
0 vote332 views1 answer
Swift file size from url
Swift
0 vote351 views1 answer
Loop backwards swift
Swift
0 vote334 views1 answer
Swift 5 flatMap wtih keypath
Swift
0 vote344 views1 answer
Swift chuck array in peases
Swift
0 vote344 views1 answer
Swiftui circle
Swift
0 vote325 views1 answer
Didselectrowatindexpath not called swift
Swift
2 votes337 views1 answer
Swift firebase read key in autoKey
Swift