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Use UltimateWebView2 library instead, it is newer and stable......
link: event but they didn't work and nothing catched Private Sub WebkitWebView1_ReceivedError2...

Seems like it is not possible. You can use HttpUtils2 to download the link and if it is fine load it to the WebView....
link: Hi, I managed quickly with B4A the WebViewClient ReceivedError event, with the libraries...

As Float, NewScale As Float) End Sub Private Sub UltimateWebView1_ReceivedError (WebResourceRequest1 As WebResourceRequest, WebResourceError1 As WebResourceError) 'Log("ReceivedError"...(WebResourceError1.ErrorCode) End Sub Private Sub UltimateWebView1_ReceivedHttpError...
link: . Private Sub UltimateWebView1_ReceivedError (ErrorCode As Int, Description As String, FailingUrl...
link: ) As Boolean 'Works from API level 24 and above. WebViewClient required. Edited event ReceivedError...

You need to use WebViewExtras and handle the ReceivedError event: https://www.b4x.com/android/forum/threads/webview-detect-page-not-found.29764/#post-214624...

1- Check if there is internet connection before displaying the webview.. 2- The Webview could be invisible.. 3- Use: WebViewExtras to see the error description and faulty URL WebViewClient raises the event ReceivedError (ErrorCode As Int, Description As String, FailingUrl As String)....

Okay, you may need to enable some option in WebViewSettings. Try to catch the error via the ReceivedError or ReceivedHttpError event. In essence, it is difficult to come to a conclusion without a practical example. If you need any help you can contact me at any time....
link: result. In the ultimatewebview there is no error in ReceivedError or ReceivedHttpError, only...

Use webviewextra and check for ReceivedError event. On error show your custom html page...

Try to handle the ReceivedError event with WebViewExtras2 library. There are no built-in debugging tools for WebView....

My WebViewExtras never fires any Event, do you know why ? Sub WebViewExtras1_ReceivedError should be named Sub WebViewClient1_ReceivedError Martin...
link: Hi Guys. ReceivedError never fired, i solved my problem using: Sub CheckConnection As BooleanDim...

I'm running IOS simulator on macbook, but WebView can acces only local pages and only few internet pages - not all. Is this limitation of Simulator or I'm doing something wrong? Is it possible to catch WebView errorCode like in b4a with WebViewExtrax2 library Sub WebViewClient1_ReceivedError(ErrorCode As Int, Description As String, FailingUrl As String) WebView1.LoadHtml(CustomWebviewError.GetErrorPageHtml(Description)) End Sub Bojan...