Can't apply line spacing with UITextView?

Question

Do you have any ideas about line spacing with UITextView? I cannot apply it. Below it is my code.

import UIKit

class DetailViewController: UIViewController {
           


        

Answer 1

Xcode 10.1 Swift 4.2

let style = NSMutableParagraphStyle()
style.lineSpacing = 19
let attributes = [NSAttributedString.Key.paragraphStyle: style]
textView.attributedText = NSAttributedString(string: model.text, attributes: attributes)