iPhone: UITextView wrap around UIImage?

Question

How do I get a UITextView to wrap its text around a UIImage like in this image?

The image size is

Answer 1

Gil's answer in Swift:

let exclusionPath = UIBezierPath(rect: CGRectMake(0, 0, 100, 100))
self.textView.textContainer.exclusionPaths = [exclusionPath]