How to display clickable links in UITextView

Just select the UITextView in your storyboard and go to "Show Attributes inspector" and select selectable and links. As the image below shows. Make sure Editable is unchecked.

For swift3.0

  override func viewDidLoad() {
     super.viewDidLoad()

  let linkAttributes = [
        NSLinkAttributeName: NSURL(string: "http://stalwartitsolution.co.in/luminutri_flow/terms-condition")!
        ] as [String : Any]
  let attributedString = NSMutableAttributedString(string: "Please tick box to confirm you agree to our Terms & Conditions, Privacy Policy, Disclaimer. ")

  attributedString.setAttributes(linkAttributes, range: NSMakeRange(44, 18))

  attributedString.addAttribute(NSUnderlineStyleAttributeName, value: NSNumber(value: 1), range: NSMakeRange(44, 18))

  textview.delegate = self
  textview.attributedText = attributedString
  textview.linkTextAttributes = [NSForegroundColorAttributeName: UIColor.red]
  textview.textColor = UIColor.white
  }


  func textView(_ textView: UITextView, shouldInteractWith URL: URL, in characterRange: NSRange, interaction: UITextItemInteraction) -> Bool {
    return true
   }

Swift 3 iOS 10: Here's Clickable extended UITextView that detect websites inside the textview automatically as long as the link start with www. for example: www.exmaple.com if it exist anywhere in the text will be clickable. Here's the class:

import Foundation
import UIKit




public class ClickableTextView:UITextView{



    var tap:UITapGestureRecognizer!
    override public init(frame: CGRect, textContainer: NSTextContainer?) {
        super.init(frame: frame, textContainer: textContainer)
        print("init")
        setup()
    }
    required public init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        setup()
    }


    func setup(){

        // Add tap gesture recognizer to Text View
        tap = UITapGestureRecognizer(target: self, action: #selector(self.myMethodToHandleTap(sender:)))
        //        tap.delegate = self
        self.addGestureRecognizer(tap)
    }

    func myMethodToHandleTap(sender: UITapGestureRecognizer){

        let myTextView = sender.view as! UITextView
        let layoutManager = myTextView.layoutManager

        // location of tap in myTextView coordinates and taking the inset into account
        var location = sender.location(in: myTextView)
        location.x -= myTextView.textContainerInset.left;
        location.y -= myTextView.textContainerInset.top;


        // character index at tap location
        let characterIndex = layoutManager.characterIndex(for: location, in: myTextView.textContainer, fractionOfDistanceBetweenInsertionPoints: nil)

        // if index is valid then do something.
        if characterIndex < myTextView.textStorage.length {

            let orgString = myTextView.attributedText.string


            //Find the WWW
            var didFind = false
            var count:Int = characterIndex
            while(count > 2 && didFind == false){

                let myRange = NSRange(location: count-1, length: 2)
                let substring = (orgString as NSString).substring(with: myRange)

//                print(substring,count)

                if substring == " w" || (substring  == "w." && count == 3){
                    didFind = true
//                    print("Did find",count)

                    var count2 = count
                    while(count2 < orgString.characters.count){

                        let myRange = NSRange(location: count2 - 1, length: 2)
                        let substring = (orgString as NSString).substring(with: myRange)

//                        print("Did 2",count2,substring)
                        count2 += 1


                        //If it was at the end of textView
                        if count2  == orgString.characters.count {

                            let length = orgString.characters.count - count
                            let myRange = NSRange(location: count, length: length)

                            let substring = (orgString as NSString).substring(with: myRange)

                            openLink(link: substring)
                            print("It's a Link",substring)
                            return
                        }

                        //If it's in the middle

                        if substring.hasSuffix(" "){

                            let length =  count2 - count
                            let myRange = NSRange(location: count, length: length)

                            let substring = (orgString as NSString).substring(with: myRange)

                            openLink(link: substring)
                            print("It's a Link",substring)

                            return
                        }

                    }

                    return
                }


                if substring.hasPrefix(" "){

                    print("Not a link")
                    return
                }

                count -= 1

            }


        }


    }


    func openLink(link:String){

        if let checkURL = URL(string: "http://\(link.replacingOccurrences(of: " ", with: ""))") {
            if UIApplication.shared.canOpenURL(checkURL) {
                UIApplication.shared.open(checkURL, options: [:], completionHandler: nil)

                print("url successfully opened")
            }
        } else {
            print("invalid url")
        }
    }


    public override func didMoveToWindow() {
        if self.window == nil{
            self.removeGestureRecognizer(tap)
            print("ClickableTextView View removed from")
        }
    }
}