How to add or replace textfield input text to picker view text in Swift 3

Question

I have a picker loaded with an array of strings, I want to change means appending or editing strings by typing in the text field and save in that array and display that changes in that picker view.Thanks in advance.

Answer 1

extension ViewController: UITextFieldDelegate {
func textFieldDidEndEditing(_ textField: UITextField) {
    addIntoArray(text: textField.text)
}

func addIntoArray(text: String?) {
    guard let text = text, text.count > 0 else {
        //for blannk or nil string
        return
    }

    listArray.append(text)
    //reload the picker
    picker.reloadAllComponents() //picker is the instanc of your pickerView
}   
}

try this