How to manage textlabel height by parent view - ios

Question

I have some issue. I trie to make custom table header sections. Here is my code:
func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
let sectionHeader = UIView(frame: CGRect(x: 0, y: 0, width: tableView.frame.size.width, height: 36))
sectionHeader.backgroundColor = #colorLiteral(red: 0.1215686277, green: 0.01176470611, blue: 0.4235294163, alpha: 1)
tableView.backgroundColor = colors.background
let headerName = UILabel(frame: CGRect(x: 15, y: 0, width: tableView.frame.size.width, height: sectionHeader.frame.size.height))
headerName.font = UIFont(name: "Helvetica", size: 12)
headerName.text = sectionHeaders[section]
headerName.backgroundColor = #colorLiteral(red: 0.9529411793, green: 0.6862745285, blue: 0.1333333403, alpha: 1)
headerName.clipsToBounds = true
sectionHeader.addSubview(headerName)
return sectionHeader
}
And here is result:
With blue and yellow color i marked and noticed, that label height not the same as headerview. Can some one help me how manage textlabel height to header view height, and how to align text verticaly

Answer 1

label height not the same as headerview
At first you should setup height of your section header:
func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
return 36.0
}
Based on height: 36 from let sectionHeader = UIView(frame: CGRect(x: 0, y: 0, width: tableView.frame.size.width, height: 36))
how to align text verticaly
headerName.textAlignment = .center