How to blur an existing image in a UIImageView with Swift?

Question

The setup is simple.

• A ViewController with UIImageView that has an image assigned.
• A UIButton that when clicked blurs the image in the UIImageView.<

Answer 1

Check if something is coming nil. I had a similar issue, but in my case I wasn't creating a new instance of CIImage, because of that image.ciimage was coming nil.