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lailo/iOSKeyboardHeight

Last active November 16, 2017 16:07
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Keyboard height for iOS in Swift
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iOSKeyboardHeight
// Add this to viewDidLoad()
NSNotificationCenter.defaultCenter().addObserver(self,
selector: "keyboardShown:", name: UIKeyboardDidShowNotification, object: nil)
// This function handles notification
func keyboardShown(notification: NSNotification) {
let info = notification.userInfo!
let value: AnyObject = info[UIKeyboardFrameEndUserInfoKey]!
let rawFrame = value.CGRectValue()
let keyboardFrame = view.convertRect(rawFrame, fromView: nil)
println("keyboardFrame: \(keyboardFrame)")
}
@pawargb
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pawargb commented Nov 16, 2017 •
edited

updated below and it worked for me :

NotificationCenter.default.addObserver(self, selector: #selector(keyboardShown), name: NSNotification.Name.UIKeyboardWillChangeFrame, object: nil)
and added @objc keyword before function

However I didn't understand how this code works, if you can explain line by line would be great.
Thank you in advance!

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