How to present WebView in SwiftUI?

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SwiftUI does not provide any built in WebView. But you can easily create a WebView by the power of UIViewRepresentable.

This code represents a stand alone View, so you can call it from any other View just like you would anything in SwiftUI.

import SwiftUI
import WebKit

struct WebView : UIViewRepresentable {
    let requestURLString: String

    func makeUIView(context: Context) -> WKWebView  {
        return WKWebView()
    }

    func updateUIView(_ uiView: WKWebView, context: Context) {
        if let url = URL(string: requestURLString) {
           let request = URLRequest(url: url)
            uiView.load(request)
        }
    }
}

#if DEBUG
struct WebView_Previews : PreviewProvider {
    static var previews: some View {
        WebView(requestURLString: "https://www.ishtiz.com")
    }
}
#endif

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You can also add some delegates to enhance your webview if needed.

import SwiftUI
import WebKit

struct WebView : UIViewRepresentable {
    let requestURLString: String

    func makeUIView(context: Context) -> WKWebView  {
        let navDelegate = WebViewNavDelegate()
        let webview = WKWebView()
        webview.navigationDelegate = navDelegate
        return webview
    }

    func updateUIView(_ uiView: WKWebView, context: Context) {
        if let url = URL(string: requestURLString) {
           let request = URLRequest(url: url)
            uiView.load(request)
        }
    }
}

class WebViewNavDelegate: NSObject, WKNavigationDelegate {
    func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
        print("didFinishNavigation")
    }
        
    func webView(_ webView: WKWebView, didCommit navigation: WKNavigation!) {
        print("webviewDidCommit")
    }
}

#if DEBUG
struct WebView_Previews : PreviewProvider {
    static var previews: some View {
        WebView(requestURLString: "https://www.ishtiz.com")
    }
}
#endif

Planning to apply for an iOS job? Check out this article to uplift your resume! Also helpful – SwiftUI and Swift Interview preparation. Happy job hunting!

Written by

ISHTIAK AHMED

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