I have been trying to integrate a UIKit view into SwiftUI, specifically a WKWebView. However, I keep encountering a does not conform to protocol error. Here's my code: import SwiftUI import WebKit struct SimpleWebView: View { var body: some View { WebViewContainerRepresentable() .edgesIgnoringSafeArea(.all) } } struct WebViewContainerRepresentable: UIViewRepresentable { typealias UIViewType = WKWebView func makeUIView(context: Context) -> WKWebView { let webView = WKWebView() if let url = Bundle.main.url(forResource: "index", withExtension: "html") { webView.loadFileURL(url, allowingReadAccessTo: url.deletingLastPathComponent()) } return webView } func updateUIView(_ uiView: WKWebView, context: Context) { // Updates not required for this use case } } I tried this with other views as well, and it turns out this is not WKWebView-specific. The minimum deployment version is iOS 15. Any help would be much appreciated. Let me know if I need to add any more information.

We have a web application that uses high resolution images to validate the authenticity of products. For this purpose we want to use the best camera to make the high resolution camera, on iPhone Pro devices this camera is the ultra-wide angle camera. The issue we have is how to confidently select that camera from the list returned by navigator.mediaDevices.enumerateDevices. We can't use the device ID as it change every time (and for every user), we could use the camera name but the string is translate to the device language which is very problematic. We could also just select a specific item in the list but we are not sure that the order is preserved and it makes it hard to deal with other iPhone models that don't have that ultra wide angle camera. Selecting a specific camera looks like an essential feature not only for us. What is the best option, we are looking for something that is future proof and easily scalable.

I am working on task to add WKWebView to Autofill extension. This web view presents web content that can access camera feed. As an example here is a simple html: I have added Camera permission entitlements to both main app and autofill extension Info.plist Camera feed is accessed properly from the main app. However, doing the same in the Autofill extension does not show Camera stream in the web content. I am receiving camera permissions alert and am allowing permissions. It just stucks on the black screen and in console I see these logs: 16000a00 - GPUProcessProxy::didClose: 0x116000a00 - GPUProcessProxy::gpuProcessExited: reason=Crash 0x1150180c0 - [PID=1 523] WebProcessProxy::gpuProcessExited: reason=Crash Error acquiring assertion: <Error Domain=RBSServiceErrorDomain Code=1 "target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit" UserInfo={NSLocalizedFailureReason=target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit}> 0x115020360 - ProcessAssertion::acquireSync Failed to acquire RBS assertion 'GPUProcess Background Assertion' for process with PID=1 524, error: Error Domain=RBSServiceErrorDomain Code=1 "target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit" UserInfo={NSLocalizedFailureReason=target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit} 0x1160012a0 - GPUProcessProxy::didClose: 0x1160012a0 - GPUProcessProxy::gpuProcessExited: reason=Crash 0x1150180c0 - [PID=1 523] WebProcessProxy::gpuProcessExited: reason=Crash Error acquiring assertion: <Error Domain=RBSServiceErrorDomain Code=1 "target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit" UserInfo={NSLocalizedFailureReason=target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit}> 0x115020300 - ProcessAssertion::acquireSync Failed to acquire RBS assertion 'GPUProcess Background Assertion' for process with PID=1 525, error: Error Domain=RBSServiceErrorDomain Code=1 "target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit" UserInfo={NSLocalizedFailureReason=target is not running or doesn't have entitlement com.apple.runningboard.assertions.webkit} Looks like WKWebView crashes. Here are my configurations for the WKWebView: let webConfiguration = WKWebViewConfiguration() webConfiguration.allowsInlineMediaPlayback = true webConfiguration.mediaTypesRequiringUserActionForPlayback = [] let webView = WKWebView(frame: .zero, configuration: webConfiguration) webView.navigationDelegate = self webView.uiDelegate = self webView.scrollView.isScrollEnabled = false webView.contentMode = .scaleAspectFit view.addSubview(webView) Does anyone know what might be the problem? Is it even possible to access Camera from web content in Autofill extension?

We enabled WebGPU feature flag on Safari on iOS 18.2. This does give Safari an access to GPU but WKWebView still doesn't have GPU access. Can WKWebView not access GPU through Safari feature flag? Is there some other mechanism through which we can enable GPU access for WKWebView? We are testing gpu access by loading : https://webgpureport.org/ Regards Saalis Umer Microsoft Safari Feature Flag - webgpu = true Safari GPU Access: WKWebView GPU Access:

I am developing a authorization plugin for mac. i am using SFAuthorizationPluginView as i need a webView(WKWebKit) which will perform webAuthn. But the webview is not rendering the requested webpage( i have stable internet connectio). Is it an expected behaviour for a webview in an authorization plugin?

After updating my phone to iOS 18.2 2 days ago, I noticed that a website I'm working on that uses Rafael JS(https://dmitrybaranovskiy.github.io/raphael) to do some svg rendering which used to work before I updated just stopped working. I notice that Safari tries to load website tries to load 2 or 3 times before showing the error: A problem repeatedly occurred on <website> which I find really odd since this used to work before and I haven't made any changes to the code. This also happens in Chrome on iOS 18.2.

Is this technical solution reasonable about WKWebView on cross-domain issues ? Hi，all My project use WKWebView to load offline package, such as .html/.css/.js，and also request some resources from remote server to update pages. So there is a cross-domain problem with local file(file://***) and remote domain (https://***), is this following technical solution reasonable to fix this problem: 1. Create a custom URLSchemeHandler which conforms to WKURLSchemeHandler 2.Unify local file and remote domain request to https request 3. Hook WKWebView https request 4. Implement WKURLSchemeHandler delegate method (void)webView:(WKWebView *)webView startURLSchemeTask:(id)urlSchemeTask { NSURL *url = urlSchemeTask.request.URL; if ([url.pathExtension isEqualToString:@"html"]) { NSData *data = [[NSData alloc] initWithContentsOfFile:localFilePath]; NSMutableDictionary resHeader = [NSMutableDictionary new]; [resHeader setValue:@"" forKey:@"Access-Control-Allow-Origin"]; [resHeader setValue:@"charset=UTF-8" forKey:@"Content-Type"]; [resHeader setValue:@"text/html" forKey:@"Content-Type"]; NSHTTPURLResponse *response = [[NSHTTPURLResponse alloc] initWithURL:url statusCode:200 HTTPVersion:@"HTTP/1.1" headerFields:resHeader]; [urlSchemeTask didReceiveResponse:response]; [urlSchemeTask didReceiveData:data]; [urlSchemeTask didFinish]; } else { NSURLSession *defaultSession = [NSURLSession sharedSession]; NSURLSessionTask *dataTask = [defaultSession dataTaskWithRequest:urlSchemeTask.request completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) { [urlSchemeTask didReceiveResponse:response]; [urlSchemeTask didReceiveData:data]; [urlSchemeTask didFinish]; }]; [dataTask resume]; } } Is this technical solution reasonable? and is there any issues that I haven't considered? Sincerely, Looking forward to your reply

I am currently publishing an application that uses WebView, I am currently publishing an application that uses WebView, but I am having trouble with data in LocalStorage sometimes disappearing. The website displayed in WebView is made with PHP, By writing the following code in JavaScript, When WKWebView is opened, localStorage is saved and retrieved. window.localStorage.setItem('isAlreadyAgree', true); window.localStorage.getItem('isAlreadyAgree'); The problem is that sometimes this getItem does not get the data. ・This is not reproducible and does not always occur when some process is performed. ・Is it possible that the storage of the application is cleared due to distribution using MDM? ・Is it possible to store too much data in UserDefault, which would cause the LocalStorage space to be overwhelmed and disappear? I would appreciate any hints you can give me. Thank you in advance.

Hi Apple developers, I am very new to XCode and Swift, I am planning to build an app for iOS from a web. I tried to use WKWebView to handle the web , I managed to redirect some of the links to Safari, however some button/links didn't trigger .linkActivated function and encounter the error as "Your browser preventing this app to open “URL”. If I copy the URL to Safari is able to open, I trying to research on web but can't find any related solution for my case. Here is the code in my app: import UIKit import WebKit import SafariServices class ViewController: UIViewController, WKNavigationDelegate { var webView: WKWebView! override func viewDidLoad() { super.viewDidLoad() // Initialize WKWebView let webConfiguration = WKWebViewConfiguration() //enable javascript webConfiguration.preferences.javaScriptEnabled = true webView = WKWebView(frame: self.view.frame, configuration: webConfiguration) webView.navigationDelegate = self self.view.addSubview(webView) // Load a web page as webview if let url = URL(string: "https://myurl") { let request = URLRequest(url: url) webView.load(request) } //console log webView.evaluateJavaScript("console.log('Button clicked!')") { result, error in if let error = error { print("Error executing JavaScript: \(error.localizedDescription)") } else { print("JavaScript result: \(String(describing: result))") } } } func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) { if let url = navigationAction.request.url, navigationAction.navigationType == .linkActivated { // Check if URL is external and open it in Safari if UIApplication.shared.canOpenURL(url) { UIApplication.shared.open(url, options: [:], completionHandler: nil) decisionHandler(.cancel) // Prevent loading the link in the WebView } else { decisionHandler(.allow) // Allow loading if URL cannot be opened in Safari } } else { decisionHandler(.allow) // Allow the WebView to load the URL normally } } }

How to handle it? regular downloads I already go working through Navigation and download delegates

Hi, We have configured WKAppBoundDomains and are using limitsNavigationsToAppBoundDomains to enable Service Workers, which works perfectly. However, we are now unable to load a WKWebView with any domain that is not included in the app-bound domains. For these other WKWebView instances, we have explicitly set config.limitsNavigationsToAppBoundDomains = false, but it doesn’t seem to have any effect. We don’t require access to the restricted APIs enabled by app-bound domains for these instances—we simply want them to load and perform basic website functionality. Is there a way to enable Service Workers selectively in some WKWebView instances while allowing others to remain unaffected by the App-Bound Domains restriction? Thank you for your help! Best regards, Rose Ding

It was required to compile older WebKit versions for other operating systems and was made available up until ~2020 by Apple under the url http://developer.apple.com/opensource/internet/webkit_sptlib_agree.html However this site and file does not seem to be available anymore. Looking for someone who can provide this file. I'd like to put this on archive.org for historic purposes.

Hello, I am creating a VisionOS application where a simple web browser is implemented in an immersive view by using WKWebView. Presentations cause a crash with "Presentations are not permitted within volumetric window scenes."

If I have a Catalyst app with a WKWebView and I select text, I can drag forward to extend the selection, but I can't reduce the length of the selected range by dragging backwards. I've reproduced this in a trivial sample app. Is there some property I need to set somewhere? I've filed this as FB15645411.

We are experiencing thousands of crashes in our application when attempting to present the camera through a Web View. The app crashes during this process, and the crash logs point to WebCore::AVVideoCaptureSource::create WebCore::RealtimeMediaSourceCenter::getUserMediaDevices. This issue has only been observed in iOS 18.2 beta versions (beta 1 - 22C5109p, beta 2 - 22C5125e, beta 3 - 22C5131e). In iOS versions below 18.2, the functionality works and we haven't identified any correlation with specific device models. The problem seems to stem from a WebCore framework introduced in these beta releases 18.2. We kindly request a review and fix for this issue in upcoming beta releases to restore functionality. Let us know if there are any workarounds or adjustments we can implement in the interim. Thank you for your attention to this matter.

We are using an imbedded WKWebView in a SwiftUI view. There are links within the pages being viewed - they are company pages - and some link to other pages as well as open named (or unnamed) browser tabs. In our implementation, when there is a named (or unnamed) link to another browser tab, the view does not do anything. Any ideas on how to allow tabs to open in some manner and allow the users to access the links?

I have a url that I want to stream, the stream is protected by basic auth. I am using URLAuthenticationChallenge (wkwebview navigation delegate function) method to provide my credentials. the credential changes with every stream url. The issue I am facing is that URLAuthenticationChallenge is never called upon refresh or on new URL request until the app is killed and opened again. I have tried: clearing cooking setting cache to ignore opening an another blank url using child view approach setting wkwebview instance to nil I always end up with 401 in decidePolicy (wkwebview delegate functions) on subsequent refresh call. Upon inspecting I see that it is using my previous used credentials and never calling challenge to update. *Backend has a no-cache policy in its header. **I am using http resource, the aim is to have streaming service on iOS. class ViewController: UIViewController, WKNavigationDelegate, WKUIDelegate { @IBOutlet weak var wkWebView: WKWebView! override func viewDidLoad() { super.viewDidLoad() let url = URL(string: "http://some-ip-address/some-path")! var request = URLRequest(url: url) request.httpMethod = "GET" wkWebView.configuration.allowsInlineMediaPlayback = true wkWebView.navigationDelegate = self wkWebView.load(request) } // this is just called once. we want to call it everytime our page refreshes. // we have tried clearing cache and cookies but failed to call challenge func webView(_ webView: WKWebView, didReceive challenge: URLAuthenticationChallenge, completionHandler: @escaping(URLSession.AuthChallengeDisposition, URLCredential?) -> Void) { let credential = URLCredential(user: "user", password: "password", persistence: .forSession) completionHandler(.useCredential, credential) } }

In our project, URLProtocol is used to intercept the request of WKWebView.loadRequest. On iOS18, if the APP is idle for more than 10 minutes and then clicks on an H5 page, the time from WKWebView.loadRequest -> URLProtocol.canInitWithRequest will be as long as 600ms or more, but the second time the H5 page is opened, it will only be 80ms. This only occurs on iOS18 models.

I have an webview that loads videos in it, we would like to be able to fullscreen our videos, so we use the fullscreen preference in the documentation however when it is set to true, upon fullscreening a video then pausing it, the entire video player will disappear. You can exit fullscreen and attempt to fullscreen the video player once again, however upon doing this the entire app view will now disappear and you'll see your desktop background (or whatever is currently behind your app). This behavior seems consistent across multiple websites with the current app. I have setup a sample project you can test here The Main error that seems to trigger to the console is this. I have not been able to find a solution to, maybe I am simply missing something here. I am on Sequoia 15.2 for Mac. Attempting to update all DD element frames, but the bounds or contentsRect are invalid. Bounds: X: 0.00 Y: 0.00, W: 0.00 H: 0.00, contentsRect: X: 0.00 Y: 0.00, W: 1.00 H: 1.00 , skipping

Script error. We've decided to implement certain highly-dynamic content in out iOS codebase using web technologies, here's what we're doing: We download a zip file containing html, javascript, and images. We unzip the archive, construct a WKWebView, and load the content using webView.loadFileURL(indexHtmlUrl, allowingReadAccessTo: parentDirectory) This works fine, but we'd also like to be notified on any rendering errors that might be raised, so we can fix them. let errorHandlerScriptString = """ (function() { var oldLog = console.log; console.log = function(message) { window.webkit.messageHandlers.consoleLog.postMessage(message); oldLog.apply(console, arguments); } })(); // don't even allow asking for location permissions navigator.geolocation.getCurrentPosition = function(success, error, options) { error({ PERMISSION_DENIED: 1, code: 1 }); }; window.onerror = (msg, url, line, column, error) => { const message = { message: msg, url: url, line: line, column: column, error: JSON.stringify(error) } if (window.webkit) { window.webkit.messageHandlers.error.postMessage(message); } else { console.log("Error:", message); } }; """ let errorHandlerScript = WKUserScript(source: errorHandlerScriptString, injectionTime: .atDocumentStart, forMainFrameOnly: false) webView.configuration.userContentController.addUserScript(templateParamsScript) This causes the error messages to be censored to just "Script error." - See here for more reference https://stackoverflow.com/questions/50229935/wkwebview-get-javascript-errors This seems to be a security measure to prevent scripts with a different origin from reading error messages. I've tried to move the javascript that hooks to window.onerror to a file that's loaded in the header of the html, as well as putting it directly at the beginning of the <body> tag. Same results, still censored. There's recommendations to load the html using webView.loadHTMLString(html, baseURL: URL(string: "http://localhost/")!), but my understanding is that than there is not way to access a local resource, such as an image that was downloaded together with the html?