How to get monospaced numbers in UILabel on iOS 9

Question

At WWDC 2015, there was a session about the new “San Francisco” system font in iOS 9. It uses proportional number rendering instead of monospaced numbers by default when lin

Answer 1

There has been quite some renaming in Swift 4, so the attributes now looks like this:

    let fontDescriptorAttributes = [
        UIFontDescriptor.AttributeName.featureSettings: [
            [
                UIFontDescriptor.FeatureKey.featureIdentifier: kNumberSpacingType,
                UIFontDescriptor.FeatureKey.typeIdentifier: kMonospacedNumbersSelector
            ]
        ]
    ]