Swift - Issues with setting background image in a UIScrollView

Question

I have created a UIScrollView and added UILabels and UIButtons. I then have created a UIImageView and added it to the my UIScrollView. I have used the following code to set the UIImageView to the background of my UIScrollView.

        let paperImageView = UIImageView(image: UIImage(named: "White Notebook Paper.png"))
        paperImageView.frame = CGRect(x: -60, y: -60, width: UIScreen.main.bounds.width + 60, height: currentY + 60)
        scrollView.addSubview(paperImageView)
        scrollView.sendSubview(toBack: paperImageView)

As you can see in the following screenshot, by UIImageView is distorted.

The background image supposed to look like notebook paper. As you can see, the spacing of the lines becomes wider the lower you go in the UIScrollView. Thanks for taking the time to share your thoughts.

@Jay Taylor , your image is average distribution of these lines? — aircraft
– aircraft, Commented Nov 22, 2016 at 2:30
@aircraft You are correct with the average distribution. I just forgot the address the content mode. Thanks!! — Jay Taylor
– Jay Taylor, Commented Nov 22, 2016 at 2:52

Jay Taylor · Accepted Answer · 2016-11-22 02:59:57Z

1

I forgot to change the content mode of the image view.

paperImageView.contentMode = .scaleAspectFill

answered Nov 22, 2016 at 2:59

Jay Taylor

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