Custom back button in UINavigationController

Question

For an application I\'m developing, I need to display a custom back button in a navigation bar. I have the button asset as a PNG image, and I\'m writing this code:

Answer 1

Isn't the simplest solution just to design it from your storyboard with whatever image or colors you want, and just drag a new action to your controller?

Swift Code

@IBAction func backButton(sender: AnyObject) {
    self.navigationController?.popViewControllerAnimated(true)
}