I want to change my view's frame when the keyboard shows

Question

Here is my function for adding an observer

func subscribeToKeyboardNotifications() {
    NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow), name: .UIKeyboardWillShow, object: nil)
}

but .UIKeyboardWillShow is giving me an error

'UIKeyboardWillShow' has been renamed to 'UIResponder.keyboardWillShowNotification'

Replace 'UIKeyboardWillShow' with 'UIResponder.keyboardWillShowNotification'

but when I replace it

func subscribeToKeyboardNotifications() {
    NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShow), name: .UIResponder.keyboardWillShowNotification, object: nil)
}

I get this error

Type of expression is ambiguous without more context

You need to remove the `.` before `UIResponder`. https://stackoverflow.com/questions/52316676/type-nsnotification-name-has-no-member-keyboarddidshownotification/52325564#52325564 — Rakesha Shastri, Sep 17 '18 at 13:03
Possible duplicate of [Type 'NSNotification.Name' has no member 'keyboardDidShowNotification'](https://stackoverflow.com/questions/52316676/type-nsnotification-name-has-no-member-keyboarddidshownotification) — Rakesha Shastri, Sep 17 '18 at 13:04

Shehata Gamal · Answer 1 · 2018-09-17T13:08:00.557

5

Without a dot

NotificationCenter.default.addObserver(self, 
selector: #selector(keyboardWillShow), 
name: UIResponder.keyboardWillShowNotification, object: nil)

edited Sep 17 '18 at 13:08

answered Sep 17 '18 at 13:03

Shehata Gamal

98,760
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65
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3

Second solution won't work I guess (`Type 'NSNotification.Name?' has no member 'keyboardWillShowNotification'`). – André Slotta Sep 17 '18 at 13:05
@AndréSlotta actually not tried it but op will give feedback – Shehata Gamal Sep 17 '18 at 13:06
It works but the or part doesn't thanks a lot anyway – Mohamed Farid Sep 17 '18 at 13:09

score 0 · Answer 2 · answered Oct 10 '18 at 10:23

let notificationCenter = NotificationCenter.default

notificationCenter.addObserver(forName: UIResponder.keyboardWillShowNotification, object: nil, queue: nil) { (notification) in
                self.keyboardWillShow(notification: notification)
            }
notificationCenter.addObserver(forName: UIResponder.keyboardWillHideNotification, object: nil, queue: nil) { (notification) in
                self.keyboardWillHide(notification: notification)
            }

score 0 · Answer 3 · answered May 17 '19 at 08:40

Just import module UIKit because UIResponder is part of UIKit not Foundation module

SWIFT 5 CODE

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        addObservers()
    }

    public func addObservers() {
        NotificationCenter.default.addObserver(self, selector: #selector(handleKeyboardWillShow), name: UIResponder.keyboardWillShowNotification, object: nil)
    }

    @objc func handleKeyboardWillShow(_: Notification) {
        // Here handle keyboard
    }
}

score -1 · Answer 4 · answered Sep 17 '18 at 13:08

-1

I have used this, and working perfectly fine

NotificationCenter.default.addObserver(self, selector: #selector(keyboardWillShowOrHide(notification:)), name: NSNotification.Name.UIKeyboardWillShow, object: nil);

answered Sep 17 '18 at 13:08

Mehul Thakkar

12,440
10
52
81

1

It doesn't in Swift 4.2 – Rakesha Shastri Sep 17 '18 at 13:08

I want to change my view's frame when the keyboard shows

4 Answers4