dmlebron

private func addConstraints() {
  // label constraints
  textLabel.topAnchor.constraint(equalTo: view.topAnchor, constant:   50).isActive = true
  textLabel.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 8).isActive = true
  textLabel.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -8).isActive = true
  textLabel.heightAnchor.constraint(equalToConstant: 30).isActive = true
  // button constraints
  showButton.topAnchor.constraint(equalTo: textLabel.bottomAnchor, constant: 16).isActive = true
  showButton.centerXAnchor.constraint(equalTo: view.centerXAnchor).isActive = true
  showButton.widthAnchor.constraint(equalToConstant: 100).isActive = true

dmlebron

private let textLabel: UILabel = {
  let label = UILabel()
  label.textColor = .black
  label.textAlignment = .center
  label.numberOfLines = 0
  label.text = "My Label"
  return label
}()

private var showButton: UIButton = {

dmlebron

class ViewController: UIViewController {
    
    private let textLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.textColor = .black
        label.textAlignment = .center
        label.numberOfLines = 0
        label.text = "My Label"
        

dmlebron

@objc private func showViewController(sender: UIButton) {
  if let secondViewController = storyboard?.instantiateViewController(withIdentifier: “secondViewController”) as? SecondViewController {
    present(secondViewController, animated: true, completion: nil)
  }
}

dmlebron

class SecondViewController: UIViewController {
    
    private lazy var textField: UITextField = {
        let txt = UITextField()
        txt.returnKeyType = .done
        txt.backgroundColor = .groupTableViewBackground
        txt.layer.cornerRadius = 3.0
        txt.translatesAutoresizingMaskIntoConstraints = false
        txt.delegate = self
        

dmlebron

//
//  SecondViewController.swift
//  tutorial_closures
//
//  Created by Dava on 5/6/17.
//  Copyright © 2017 Davaur. All rights reserved.
//

import UIKit

dmlebron

    fileprivate var textLabel: UILabel = {
        
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.textColor = .black
        label.textAlignment = .center
        label.numberOfLines = 0
        label.text = "My Label"
        
        return label

dmlebron

//
//  CoreDataStack.swift
//  altran_challenge
//
//  Created by Dava on 7/7/17.
//
//

import Foundation
import CoreData

dmlebron

struct MainViewModel {
    
    private let locationServiceType: LocationServiceType
    private let apiClientType: ApiClientType
    private let addressCompletion: AddressCompletion
    
    init(locationServiceType: LocationServiceType, apiClientType: ApiClientType, addressCompletion: @escaping AddressCompletion) {
        self.locationServiceType = locationServiceType
        self.apiClientType = apiClientType
        self.addressCompletion = addressCompletion

dmlebron

import Foundation

struct MainViewModel {
    
    private let locationServiceType: LocationServiceType
    private let apiClientType: ApiClientType
    private let addressCompletion: AddressCompletion
    
    init(locationServiceType: LocationServiceType, apiClientType: ApiClientType, addressCompletion: @escaping AddressCompletion) {
        self.locationServiceType = locationServiceType