How to give dynamic height to UILabel programmatically in Swift?

Question

I have taken UIlabel which are generated dynamically using for loop, each type diff text is assign in label, I want to give UILabel size dynamically depending on text.

Answer 1

Create Extension to calculate the height of label following method return height of the label

 import UIKit

func heightForView(text:String, font:UIFont, width:CGFloat) -> CGFloat{
 let label:UILabel = UILabel(frame: CGRectMake(0, 0, width, CGFloat.greatestFiniteMagnitude))
 label.numberOfLines = 0
 label.lineBreakMode = NSLineBreakMode.byWordWrapping
 label.font = font
 label.text = text

 label.sizeToFit()
 return label.frame.height
}

let font = UIFont(name: "Helvetica", size: 20.0)
var height = heightForView("This is just a load of text", font: font, width: 60)