iOS UILabel autoshrink so word doesn't truncate to two lines

Question

I\'m trying to have the UILabel shrink so that words don\'t truncate to the next line. Not just text truncating at the end of the text area.

If I have a box that is

Answer 1

I made a Swift extension of UILabel. Just call the method to the label after bounds and text are set.

extension UILabel {

func fitToAvoidWordWrapping(){
    // adjusts the font size to avoid long word to be wrapped

    // get text as NSString
    let text = self.text ?? "" as NSString

    // get array of words separate by spaces
    let words = text.componentsSeparatedByString(" ") as! [NSString]

    // I will need to find the largest word and its width in points
    var largestWord : NSString = ""
    var largestWordWidth : CGFloat = 0

    // iterate over the words to find the largest one
    for word in words{

        // get the width of the word given the actual font of the label
        let wordSize = word.sizeWithAttributes([NSFontAttributeName : self.font])
        let wordWidth = wordSize.width

        // check if this word is the largest one
        if wordWidth > largestWordWidth{
        largestWordWidth = wordWidth
        largestWord = word
        }
    }

    // now that I have the largest word, reduce the label's font size until it fits
    while largestWordWidth > self.bounds.width && self.font.pointSize > 1{

        // reduce font and update largest word's width
        self.font = self.font.fontWithSize(self.font.pointSize - 1)
        let largestWordSize = largestWord.sizeWithAttributes([NSFontAttributeName : self.font])
        largestWordWidth = largestWordSize.width
    }
}
}