STORE PERMANENT DATA USING UserDefaults( like android shared pref)

STEP-1 : Add three view (TextField, Button, Label) to Main.Storyboard.

STEP-2 : Make reference of view to CiewController.swift
           
TextField. --> input. (@IBOutlet)
Button      -->. Action (@IBAction)
Label.      -->. output (@IBOutlet)


STEP-3 : ViewController.swift

//

//  ViewController.swift

//  StoringData

//

//  Created by Admin on 27/06/17.

//  Copyright © 2017 Admin. All rights reserved.

//

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var input: UITextField!

    @IBOutlet weak var output: UILabel!

    

    @IBAction func action(_ sender: Any) {

        

        output.text = input.text

        UserDefaults.standard.set(input.text, forKey: "myName")

        input.text = ""

    }

    

    override func viewDidLoad() {

        super.viewDidLoad()

        // Do any additional setup after loading the view, typically from a nib.

    }

    override func viewDidAppear(_ animated: Bool) {

        

        if let x = UserDefaults.standard.object(forKey: "myName") as? String

        {

            output.text = x

        }

    }

}