login.swift

login.swift

//: Playground - noun: a place where people can play

import UIKit

class ListViewController: UIViewController, UITextFieldDelegate  {
    
    let logo:UIImage = UIImage()
    let username:UITextField = UITextField()
    let password:UITextField = UITextField()
    let submitButton:UIButton = UIButton()
    
    override func viewDidLoad() {
        
        username.placeholder = "User Name"
        username.borderStyle = .bezel
        
        password.placeholder = "Password"
        password.borderStyle = .roundedRect
        
        submitButton.addTarget(self, action: #selector(submitButton), for: .touchUpInside)
        submitButton.layer.backgroundColor = .red
        
    }
    
    func submitPressed() {
        
    }

}

// vs 

import UIKit

class ListViewController: UIViewController, UITextFieldDelegate  {
    
    let logo:UIImage = UIImage()
    let username:UITextField = UITextField()
    let password:UITextField = UITextField()
    let submitButton:UIButton = UIButton()
    
    override func viewDidLoad() {
        username.placeholder = "User Name"
        username.borderStyle = .bezel
        password.placeholder = "Password"
        password.borderStyle = .roundedRect
        submitButton.addTarget(self, action: #selector(submitButton), for: .touchUpInside)
        submitButton.layer.backgroundColor = .red
    }
    
    func submitPressed() {
        
    }

}