SecondViewController.swift

import UIKit

class SecondViewController: UIViewController {
    init() {
        super.init(nibName: nil, bundle: nil)
        
        self.view.backgroundColor = UIColor.greenColor()
        
        self.tabBarItem = UITabBarItem(tabBarSystemItem: UITabBarSystemItem.History, tag: 2)
    }
    
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
    }
    
    required override init(nibName nibNameOrNil: String!, bundle nibBundleOrNil: NSBundle!) {
        super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }
}