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Add Android MultiWindow support #1

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Merged
bnoffer merged 3 commits into from
Nov 23, 2025
Merged

Add Android MultiWindow support #1

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55b2786
Add: Base MultiWindow support
bnoffer Nov 23, 2025
2eb476c
Add: Support for closing Windows
bnoffer Nov 23, 2025
6c094f5
Update: .NET MAUI dependencies
bnoffer Nov 23, 2025
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4 changes: 2 additions & 2 deletions ExtendedWebView/ExtendedWebView.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<RootNamespace>Com.Bnotech.ExtendedWebView</RootNamespace>
<MauiVersion>9.0.90</MauiVersion>
<MauiVersion>9.0.120</MauiVersion>

<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'ios'">12.2</SupportedOSPlatformVersion>
<SupportedOSPlatformVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'maccatalyst'">13.1</SupportedOSPlatformVersion>
Expand All @@ -23,7 +23,7 @@
<Owners>bnotech</Owners>
<Company>BNO Technology Solutions e.K.</Company>
<Description>This package provides support for a extended WebView</Description>
<Copyright>©Copyright 2024, BNO Technology Solutions e.K.</Copyright>
<Copyright>©Copyright 2025, BNO Technology Solutions e.K.</Copyright>
<Tags>WebView Extended ExtendedWebView</Tags>
<PackageReadmeFile>README.md</PackageReadmeFile>
</PropertyGroup>
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37 changes: 36 additions & 1 deletion ExtendedWebView/Platforms/Android/Handlers/ExtWebViewHandler.cs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,6 @@
using Android.Graphics;
using AApp = Android.App;
using AOS = Android.OS;
using AWebKit = Android.Webkit;

using Java.Interop;
Expand Down Expand Up @@ -36,8 +38,9 @@

webView.Settings.JavaScriptEnabled = true;
webView.Settings.DomStorageEnabled = true;

webView.SetWebViewClient(new JavascriptWebViewClient($"javascript: {JavascriptFunction}", VirtualView));
webView.SetWebChromeClient(new MultiWindowWebChromeClient()); // Multi-Window Unterstützung
webView.AddJavascriptInterface(_jsBridgeHandler, "jsBridge");

if (Build.VERSION.SdkInt >= BuildVersionCodes.M)
Expand Down Expand Up @@ -148,3 +151,35 @@
}
}
}

public class MultiWindowWebChromeClient : AWebKit.WebChromeClient
{
private AApp.AlertDialog? _dialog;

public override bool OnCreateWindow(AWebKit.WebView view, bool isDialog, bool isUserGesture, AOS.Message resultMsg)

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Nullability of type of parameter 'resultMsg' doesn't match overridden member (possibly because of nullability attributes).

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Nullability of type of parameter 'view' doesn't match overridden member (possibly because of nullability attributes).
{
var newWebView = new AWebKit.WebView(view.Context);

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Possible null reference argument for parameter 'context' in 'WebView.WebView(Context context)'.
newWebView.Settings.JavaScriptEnabled = true;
newWebView.Settings.DomStorageEnabled = true;
newWebView.SetWebChromeClient(this);

var transport = (AWebKit.WebView.WebViewTransport)resultMsg.Obj;

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Converting null literal or possible null value to non-nullable type.
transport.WebView = newWebView;

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Dereference of a possibly null reference.
resultMsg.SendToTarget();

_dialog = new AApp.AlertDialog.Builder(view.Context)
.SetView(newWebView)
.SetPositiveButton("X", (sender, args) => newWebView.Destroy())
.Create();
_dialog.Show();

return true;
}

public override void OnCloseWindow(AWebKit.WebView window)

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Nullability of type of parameter 'window' doesn't match overridden member (possibly because of nullability attributes).
{
window.Destroy();
_dialog?.Dismiss();
_dialog = null;
}
}
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