Can't get UITextField to autoshrink text

Question

I have a UITextField on a table view cell, and when it\'s text becomes too long I would like the font size to decrease. I want to make it very clear that I am t

Answer 1

Swift 3.0 way to resize the font to fit:

let startFontSize = 14.0
let minFontSize = 7.0

func resizeFont() {
    guard let font = self.font, let text = self.text else {
        return
    }

    let textBounds = self.textRect(forBounds: self.bounds)
    let maxWidth = textBounds.size.width

    for fontSize in stride(from: startFontSize, through: minFontSize, by: -0.5) {
        let size = (text as NSString).size(attributes: [NSFontAttributeName: font.withSize(CGFloat(fontSize))])
        self.font = font.withSize(CGFloat(fontSize))
        if size.width <= maxWidth {
            break
        }
    }
}