Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Build a Simple iPhone App with Swift Improving Our User Interface Changing the Background Color

Matthew Ingram
PLUS
Matthew Ingram
Courses Plus Student 4,718 Points

Why doesn't this change the back ground color

I don't understand what i'm missing here

ViewController.swift
class ViewController: UIViewController {
let color = UIColor()

  override func viewDidLoad() {
      super.viewDidLoad()
      // Do any additional setup after loading the view, typically from a nib.

  }

  override func didReceiveMemoryWarning() {
      super.didReceiveMemoryWarning()
      // Dispose of any resources that can be recreated.


  }
  let blueColor = color.blue
  view.backgroundColor = blueColor
}

1 Answer

Abdullah Althobetey
Abdullah Althobetey
18,216 Points

When your app load the view from the storyboard with all the default settings (including the white background color), it calls the viewDidLoad() method, so you can customize your view inside the viewDidLoad() method. So move the blue color code inside the viewDidLoad()