UIViewController Playground: because getting a UIViewController/UINavigationController to display properly in a playground is a little non-obvious

uiviewcontroller-playground.swift

import UIKit

let vc = UIViewController()
vc.view.backgroundColor = .whiteColor()

vc.navigationItem.title = "This is a view controller"

let searchController = UISearchController(searchResultsController: nil)

//searchController.searchBar.barTintColor = UIColor(red:0.16, green:0.45, blue:0.72, alpha:1)

//searchController.searchBar.searchBarStyle = .Minimal
searchController.searchBar.barTintColor = UIColor.orangeColor()
searchController.searchBar.tintColor = UIColor.greenColor()
UITextField.appearanceWhenContainedInInstancesOfClasses([UISearchBar.self]).backgroundColor = UIColor.whiteColor().colorWithAlphaComponent(0.8)
vc.navigationItem.titleView = searchController.searchBar

let w = UIWindow(frame: CGRect(x: 0, y: 0, width: 320, height: 480))

let nc = UINavigationController(rootViewController: vc)

w.rootViewController = nc

nc.view.frame
//nc.view.frame = CGRectMake(0, 0, 320, 480)

nc.navigationBar.barStyle = .Black
nc.navigationBar.barTintColor = UIColor(red:0.16, green:0.45, blue:0.72, alpha:1)
nc.navigationBar.tintColor = .whiteColor()
nc.view.setNeedsDisplay()

w.makeKeyAndVisible()
w

nc.navigationBar

Thank you for sharing this, I used your ideas to create a device UIViewController.

Thanks so much for this, very helpful!