ALBERT SITE

UIWebView를 예전에 사용했는데 대용량 pdf파일등 로딩상 속도문제 등 여러가지 버그가 존재해서 webkit브라우저를 기반으로 한 WKWebView를 요즘 많이 사용한다.

간단한 쌤플 만들어서 올리니 참고하실분은 참고하세요

//  SecondPage.swift

//  slider

//

//  Created by 알버트 on 2017. 8. 14..

//  Copyright © 2017년 visionboy.me. All rights reserved.

//

import UIKit

import WebKit

class SecondPage: UIViewController ,WKNavigationDelegate {

    @IBOutlet var containerView: UIView!

    @IBOutlet var openMenu: UIBarButtonItem!

    var activityIndicator = UIActivityIndicatorView()

    var webView: WKWebView!

    var loadingView: UIView = UIView()

    override func viewDidLoad() {

        super.viewDidLoad()

        // SWRevealViewController 사용하므로 세팅해준다.

        openMenu.target = self.revealViewController()

        openMenu.action = Selector("revealToggle:")

        self.view.addGestureRecognizer(self.revealViewController().panGestureRecognizer())

        // 웹뷰에 뿌려질 경로 지정

        let url = NSURL(string: "http://www.visionboy.me")

        webView.loadRequest(NSURLRequest(URL: url!))

        webView.allowsBackForwardNavigationGestures = true

    }

    // 최초 wkWebview설정

    override func loadView() {

        super.loadView()

        webView = WKWebView()

        webView.navigationDelegate = self

        view = webView

    }

    // 로딩 화면의 색상을 만드는 함수

    func UIColorFromHex(rgbValue:UInt32, alpha:Double=1.0)->UIColor {

        let red = CGFloat((rgbValue & 0xFF0000) >> 16)/256.0

        let green = CGFloat((rgbValue & 0xFF00) >> 8)/256.0

        let blue = CGFloat(rgbValue & 0xFF)/256.0

        return UIColor(red:red, green:green, blue:blue, alpha:CGFloat(alpha))

    }

    // 웹뷰 시작시 로딩화면 그려준다.

    func webView(webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {

        loadingView.hidden = false

        loadingView.frame = CGRectMake(0, 0, 80, 80)

        loadingView.center = containerView.center

        loadingView.backgroundColor = UIColorFromHex(0x444444, alpha: 0.7)

        loadingView.clipsToBounds = true

        loadingView.layer.cornerRadius = 10

        activityIndicator = UIActivityIndicatorView(activityIndicatorStyle: UIActivityIndicatorViewStyle.Gray)

        activityIndicator.frame = CGRectMake(0.0, 0.0, 40.0, 40.0);

        activityIndicator.activityIndicatorViewStyle = UIActivityIndicatorViewStyle.WhiteLarge

        activityIndicator.center =  CGPointMake(loadingView.frame.size.width / 2, loadingView.frame.size.height / 2);

        activityIndicator.startAnimating()

        loadingView.addSubview(activityIndicator)

        webView.addSubview(loadingView)

        UIApplication.sharedApplication().networkActivityIndicatorVisible = true

        NSLog("add loading ")

    }

    // 웹뷰 로딩 완료시 로딩 화면 지워준다.

    func webView(webView: WKWebView, didFinishNavigation navigation: WKNavigation!) {

        loadingView.hidden = true

        self.activityIndicator.stopAnimating()

        self.activityIndicator.removeFromSuperview()

        webView.willRemoveSubview(activityIndicator)

        UIApplication.sharedApplication().networkActivityIndicatorVisible = false

        NSLog("delete loading ")

    }

}