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WebView Navigating event never fired on IOS #15599

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Entretoize opened this issue Nov 11, 2022 · 4 comments
Open

WebView Navigating event never fired on IOS #15599

Entretoize opened this issue Nov 11, 2022 · 4 comments
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a/webview p/iOS 🍎 s/unverified New report that has yet to be verified t/bug 🐛

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@Entretoize
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Description

I created a hybrid renderer like that:

[assembly: ExportRenderer(typeof(CustomWebView), typeof(HybridWebViewRenderer))]
namespace ClotureSiadForms.iOS.Renderer
{
    public class HybridWebViewRenderer : WkWebViewRenderer, IWKScriptMessageHandler
    {
...

With that CustomWebView class:

    public class CustomWebView : WebView
    {
        public string js="";
        public CustomWebView()
        {
            base.Navigating+= WebViewNavigating; //also tried from xaml
        }
        public void WebViewNavigating(object sender, WebNavigatingEventArgs args)
        {
            if (args.Url.StartsWith("tel:"))
            {
                var tel = args.Url.Split(':')[1];
                args.Cancel = true;

                Xamarin.Essentials.PhoneDialer.Open(tel);
            }
        }
    }

Steps to Reproduce

  1. Create a hybrid renderer for IOS
  2. Add a Navigating event callback
  3. Navigate to any webpage

Expected Behavior

The WebViewNavigating method should be called on each navigation change

Actual Behavior

WebViewNavigating is never called on IOS

Environment

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Microsoft Visual Studio Community 2022
Version 17.3.6
VisualStudio.17.Release/17.3.6+32929.385
Microsoft .NET Framework
Version 4.8.04084

Installed Version: Community

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Microsoft Visual C++ 2022

ASP.NET and Web Tools   17.3.376.3011
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Azure App Service Tools v3.0.0   17.3.376.3011
Azure App Service Tools v3.0.0

C# Tools   4.3.0-3.22470.13+80a8ce8d5fdb9ceda4101e2acb8e8eb7be4ebcea
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Common Azure Tools   1.10
Provides common services for use by Azure Mobile Services and Microsoft Azure Tools.

Cookiecutter   17.0.22179.3
Provides tools for finding, instantiating and customizing templates in cookiecutter format.

Extensibility Message Bus   1.2.6 (master@34d6af2)
Provides common messaging-based MEF services for loosely coupled Visual Studio extension components communication and integration.

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NVIDIA Nsight Visual Studio Edition - CUDA support   2022.1.1.22006
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Python - Django support   17.0.22179.3
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Python with Pylance   17.0.22179.3
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Visual F# Tools   17.1.0-beta.22363.4+1b94f89d4d1f41f20f9be73c76f4b229d4e49078
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Visual Studio IntelliCode   2.2
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Visual Studio Tools for Unity   17.3.0.0
Visual Studio Tools for Unity

VisualStudio.DeviceLog   1.0
Information about my package

VisualStudio.Mac   1.0
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Xamarin   17.3.0.308 (d17-3@56b9f7e)
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Xamarin Designer   17.3.0.217 (remotes/origin/d17-3@b81db1dcc0)
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Xamarin Templates   17.2.28 (9b3d244)
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Xamarin.Android SDK   13.0.0.0 (d17-3/030cd63)
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Xamarin.iOS and Xamarin.Mac SDK   16.0.0.75 (e4f48bed7)
Xamarin.iOS and Xamarin.Mac Reference Assemblies and MSBuild support.

Reproduction Link

https://linkall.pro/bin/ClotureSiadForms-master.zip

@Entretoize Entretoize added s/unverified New report that has yet to be verified t/bug 🐛 labels Nov 11, 2022
@IvanMi773
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IvanMi773 commented Apr 17, 2023

@Entretoize Do you have some workaround? Struggling with the same thing

@Entretoize
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Author

No, never found sorry...

@vp1512
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vp1512 commented May 25, 2023

@Entretoize @IvanMi773

Did you find any workaround? I am also struggling with the same thing.

@dasunmax89
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You have to handle wkWebView.NavigationDelegate = new ExtendedNavigatioDelegate(); in renderer
commenting out also will pass to default handler

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Labels
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@Entretoize @jsuarezruiz @vp1512 @IvanMi773 @dasunmax89 and others