how to add an action on UITextField return key?

Question

I have a button and text textfield in my view. when i click on the textfield a keyboard appears and i can write on the textfield and i also able to dismiss the keyboard by clicking on the button by adding:

[self.inputText resignFirstResponder];

Now I want to enable return key of keyboard. when i will press on the keyboard keyboard will disappear and something will happen. How can I do this?

Possible duplicate: http://stackoverflow.com/questions/4761648/close-the-keyboard-on-uitextfield — wquist, Jul 19 '12 at 03:13

score 194 · Accepted Answer · edited May 07 '20 at 14:53

Ensure "self" subscribes to UITextFieldDelegate and initialise inputText with:

self.inputText.delegate = self;

Add the following method to "self":

- (BOOL)textFieldShouldReturn:(UITextField *)textField {
    if (textField == self.inputText) {
        [textField resignFirstResponder];
        return NO;
    }
    return YES;
}

Or in Swift:

func textFieldShouldReturn(_ textField: UITextField) -> Bool {
    if textField == inputText {
        textField.resignFirstResponder()
        return false
    }
    return true
}

score 14 · Answer 2 · answered Jul 14 '17 at 15:44

With extension style in swift 3.0

First, set up delegate for your text field.

override func viewDidLoad() {
    super.viewDidLoad()
    self.inputText.delegate = self
}

Then conform to UITextFieldDelegate in your view controller's extension

extension YourViewController: UITextFieldDelegate {
    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        if textField == inputText {
            textField.resignFirstResponder()
            return false
        }
        return true
    }
}

score 8 · Answer 3 · answered May 11 '19 at 10:26

While the other answers work correctly, I prefer doing the following:

In viewDidLoad(), add

self.textField.addTarget(self, action: #selector(onReturn), for: UIControl.Event.editingDidEndOnExit)

and define the function

@IBAction func onReturn() {
    self.textField.resignFirstResponder()
    // do whatever you want...
}

score 0 · Answer 4 · edited Jul 23 '22 at 07:34

0

Just add a target on textField setup function on viewDidLoad, then add its related function as selector.

override func viewDidLoad() {
    super.viewDidLoad() 
    textField.addTarget(self, action: #selector(textFieldShouldReturn(sender:)), for: .primaryActionTriggered)
}

@objc func textFieldShouldReturn(sender: UITextField) {
    textField.resignFirstResponder()
}

edited Jul 23 '22 at 07:34

Ahmadreza

6,950
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answered Jul 17 '22 at 08:51

Reza Kashkoul

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This code doesn´t compile. The couples of parentheses is not complete. – Zini Jul 20 '22 at 12:34
Your answer could be improved with additional supporting information. Please [edit] to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers [in the help center](/help/how-to-answer). – Community Jul 20 '22 at 14:20

score -1 · Answer 5 · answered May 18 '20 at 12:57

-1

Use Target-Action UIKit mechanism for "primaryActionTriggered" UIEvent sent from UITextField when a keyboard done button is tapped.

textField.addTarget(self, action: Selector("actionMethodName"), for: .primaryActionTriggered)

answered May 18 '20 at 12:57

Blazej SLEBODA

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how to add an action on UITextField return key?

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