how to dismiss a keyboard in swiftui code example

Example 1: swift dismiss keyboard on return

extension UIViewController: UITextFieldDelegate{
    public func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        textField.resignFirstResponder()
        return true;
    }
}

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

Example 2: how to dismiss keyboard swiftui

struct ContentView: View {
    @State private var tipAmount = ""

    var body: some View {
        VStack {
            TextField("Name: ", text: $tipAmount)
                .textFieldStyle(RoundedBorderTextFieldStyle())
                .keyboardType(.decimalPad)

            Button("Submit") {
                print("Tip: \(self.tipAmount)")
                self.hideKeyboard()
            }
        }
    }
}

Example 3: how to dismiss keyboard in swift

override func viewDidLoad() {
    super.viewDidLoad()

    //Looks for single or multiple taps. 
    let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: "dismissKeyboard")

    //Uncomment the line below if you want the tap not not interfere and cancel other interactions.
    //tap.cancelsTouchesInView = false 

    view.addGestureRecognizer(tap)
}

//Calls this function when the tap is recognized.
@objc func dismissKeyboard() {
    //Causes the view (or one of its embedded text fields) to resign the first responder status.
    view.endEditing(true)
}