Sample Webview using Swift with Progress Indicator

webview.swift

// http://stevesohcot.com/tech-lessons-learned/2016/05/08/webview-using-swift-with-progress-indicator-tutorial

import UIKit

class ViewController: UIViewController, UIWebViewDelegate {

    @IBOutlet weak var webView: UIWebView!
    @IBOutlet weak var progressIndicator: UIActivityIndicatorView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        webView.delegate = self
        
        let urlString = "https://hashtagsaver.herokuapp.com/login"
        
        self.webView.loadRequest(NSURLRequest(URL:NSURL(string: urlString)!))
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
    }
    
    func webViewDidStartLoad(webView: UIWebView) {
        progressIndicator.startAnimating()
    }
    
    func webViewDidFinishLoad(webView: UIWebView) {
        progressIndicator.stopAnimating()
    }

}