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iOS Build a Simple iPhone App with Swift 2.0 Improving Our User Interface Changing the Background Color

Harry Hendel
PLUS
Harry Hendel
Courses Plus Student 2,748 Points
Posted by Harry Hendel
Harry Hendel
Courses Plus Student 2,748 Points

Editing the background colour of a view

Hi, I am trying to edit the background if the view and am getting an error that says that I need to define the view.

Thanks, From Harry

colors.swift 
class ViewController: UIViewController {
    let blueColor = UIColor.blueColor()
    view.backgroundColor = blueColor
    override func viewDidLoad() {
        // Do any additional setup after loading the view, typically from a nib.
    }

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

1 Answer

Safwat Shenouda
Safwat Shenouda
12,362 Points

Hi Harry,

You need to move the following line to be inside viewDidLoad() function, as in a class you can't execute a line of code outside a method/function.

view.backgroundColor = blueColor

Cheers, Safwat

Mauricio Carvalho
Mauricio Carvalho
5,271 Points
Mauricio Carvalho
Mauricio Carvalho
5,271 Points

Thank you! I was having a really hard time creating a new function to no avail, or sticking my view.backgroundColor line everywhere, except on the right place!