Picker View

gistfile1.txt

import UIKit

class ViewController: UIViewController, UIPickerViewDelegate, UIPickerViewDataSource {
    @IBOutlet weak var theTextfield: UITextField!
    
    let myPickerData = [String](arrayLiteral: "Peter", "Jane", "Paul", "Mary", "Kevin", "Lucy")

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        let thePicker = UIPickerView()
        thePicker.delegate = self
        theTextfield.inputView = thePicker
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    // MARK: UIPickerView Delegation
    
    func numberOfComponents(in pickerView: UIPickerView) -> Int {
        return 1
    }

    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
        return myPickerData.count
    }

    func pickerView( _ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
        return myPickerData[row]
    }

    func pickerView( _ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
        theTextfield.text = myPickerData[row]
    }


}