How to align UILabel text from bottom?

Question

How the UILabel can be aligned from bottom. Let say, my label can hold three line of text.If the input text is single line, then this line should come bottom of the

Answer 1

2021. use autoLayout)

textLabel.numberOfLines = 0
textLabel.textAlignment = .center

textLabel.topAnchor.constraint(greaterThanOrEqualTo: sView.topAnchor).isActive = true
textLabel.leadingAnchor.constraint(equalTo: sView.leadingAnchor).isActive = true
textLabel.trailingAnchor.constraint(equalTo: sView.trailingAnchor).isActive = true
textLabel.bottomAnchor.constraint(equalTo: sView.bottomAnchor).isActive = true