How i can change font to UITextView in swift?

Question

Hy guys I want that my textView have this font: "Apple SD Gothic Light"... I used this code here belong:

if (titolo.text == NSLocalizedString("SEVENTH_ANNOTATION_TITLE", comment: "")){
    // aggiungo le immagini all'array
    pageImages = [UIImage(named: "TeatroMassimoBellini1.png")!,
                  UIImage(named: "TeatroMassimoBellini2.png")!,
                  UIImage(named: "TeatroMassimoBellini3.png")!]

    textFieldDescrizione.text = NSLocalizedString("SEVENTH_ANNOTATION_DESCRIPTION", comment: "")
    textFieldDescrizione.font = UIFont.preferredFontForTextStyle("AppleSDGothicNeo-Light")
    textFieldDescrizione.textAlignment = NSTextAlignment.Justified
}

but it doesn't work.... Can you help me? Sorry for my english! :)

Answer 1

Try this :

textFieldDescrizione.font = UIFont(name: "NameOfTheFont", size: 20)

Answer 2

For Swift 4 , this worked for me

textView.font = UIFont(name: "Courier", size: 20)