Fullscreen WKWebView for SPA

ViewController.swift

//
//  ViewController.swift
//  FullscreenWKWebView4SPA
//
//  Created by Hiroyuki Kitago on 2017/10/26.
//  Copyright © 2017年 Hiroyuki Kitago. All rights reserved.
//

import UIKit
import WebKit
class ViewController: UIViewController, WKNavigationDelegate {
  let webview: WKWebView = WKWebView()
  override func viewDidLoad() {
    super.viewDidLoad()
    // Do any additional setup after loading the view, typically from a nib.
    webview.frame = view.bounds;
    webview.navigationDelegate = self
    webview.scrollView.bounces = false
    webview.scrollView.showsVerticalScrollIndicator = false
    webview.scrollView.showsHorizontalScrollIndicator = false
    webview.scrollView.isScrollEnabled = false
    if #available(iOS 11.0, *) {
      webview.scrollView.contentInsetAdjustmentBehavior = .never
    }
    webview.autoresizingMask = [.flexibleWidth, .flexibleHeight]
    view.addSubview(webview)
    let url = Bundle.main.url(forResource: "index", withExtension: ".html")!
    let request = URLRequest(url: url)
    webview.load(request)
    self.navigationController?.setNavigationBarHidden(true, animated: false)
  }

  override func didReceiveMemoryWarning() {
    super.didReceiveMemoryWarning()
    // Dispose of any resources that can be recreated.
  }
  override var prefersStatusBarHidden: Bool {
    return true
  }
}