iosswiftnsattributedstringattributedstring

Swift: AttributedString underline with different color

I'm trying to give different color for underlined text in the AttributedString. as per this example.

enter image description here

But the result with this snippet of code:

        var attributedString = try AttributedString(markdown: self)
        if let rangeWord = self.slice(from: "[", to: "]") {
            let range = attributedString.range(of: rangeWord)!
            attributedString[range].underlineStyle = .single

            attributedString[range].foregroundColor = .white
            attributedString[range].underlineColor =  .green

        }

Is not what is expected

enter image description here

Is there a workaround it?

Solution

  • Try using NSAttributedString likewise:

    let labelString = "your label"
let textColor: UIColor = .black
let underLineColor: UIColor = .green
let underLineStyle = NSUnderlineStyle.single.rawValue

let labelAtributes:[NSAttributedString.Key : Any]  = [
    NSAttributedString.Key.foregroundColor: textColor,
    NSAttributedString.Key.underlineStyle: underLineStyle,
    NSAttributedString.Key.underlineColor: underLineColor
]

let underlineAttributedString = NSAttributedString(string: labelString,
                                                   attributes: labelAtributes)

label.attributedText = underlineAttributedString