Animate a change in part of an NSMutableAttributedString

Question

I\'m making an iOS app that has a UITextView. When closing a parenthesis in that UITextView, I want to highlight to the user which opening parenthesis it pairs to. So far I\

Answer 1

There's a much easier way to do this, which you can see in this answer: Animate text change in UILabel.

You just have to set the label.attributedText property instead:

UIView.transition(
    with: label,
    duration: 0.15,
    options: .transitionCrossDissolve,
    animations: {
        label.attributedText = NSAttributedString(string: text, attributes: attributes)
    },
    completion: nil
)