boundingRectWithSize issue since converting to Swift 2.0

[amjohnno]

I've converted my app to Swift 2.0, which hasn't gone very successfully so far! I'm getting one issue with SCLAlertView with boundingRectWithSize in the following code:

// Subtitle
if !subTitle.isEmpty {
    viewText.text = subtitle
    // Adjust text view size, if necessary
    let str = subTitle as NSString
    let attr = [NSFontAttributeName:viewText.font]
    let sz = CGSize(width: kWindowWidth - 24, height:90)
    let r = str.boundingRectWithSize(sz, options: NSStringDrawingOptions.UsesLineFragmentOrigin, attributes:attr, context:nil)
    let ht = ceil(r.size.height)
    if ht < kTextHeight {
        kWindowHeight -= (kTextHeight - ht)
        kTextHeight = ht
    }
}

The error reads:

Cannot invoke 'boundingRectWithSize' with an argument list of type '(CGSize, options: NSStringDrawingOptions, attributes: [String : UIFont?], context: nil)'

Is this just me, or have others found this?

[vishnupillai9]

I came across this too. You need to unwrap viewText.font. The argument attributes for boundingRectWithSize method should be of type [String : UIFont]. Since viewText.font is not unwrapped, attr is currently of type [String : UIFont?].

[amjohnno]

That's perfect. Thanks, @vishnupillai9.