AppTheming and XAML

WebViewDemo/App.cs

@@ -0,0 +1,21 @@
+// App.cs - Main Application with NavigationPage
+
+using Microsoft.Maui.Controls;
+
+namespace WebViewDemo;
+
+public class App : Application
+{
+    public static NavigationPage? NavigationPage { get; private set; }
+
+    public App()
+    {
+        NavigationPage = new NavigationPage(new WebViewPage())
+        {
+            Title = "OpenMaui WebView Demo",
+            BarBackgroundColor = Color.FromArgb("#5C6BC0"),
+            BarTextColor = Colors.White
+        };
+        MainPage = NavigationPage;
+    }
+}

WebViewDemo/MauiProgram.cs

@@ -0,0 +1,22 @@
+// MauiProgram.cs - MAUI app configuration
+
+using Microsoft.Maui.Hosting;
+using Microsoft.Maui.Platform.Linux.Hosting;
+
+namespace WebViewDemo;
+
+public static class MauiProgram
+{
+    public static MauiApp CreateMauiApp()
+    {
+        var builder = MauiApp.CreateBuilder();
+
+        // Configure the app
+        builder.UseMauiApp<App>();
+
+        // Add Linux platform support with all handlers
+        builder.UseLinux();
+
+        return builder.Build();
+    }
+}

WebViewDemo/Pages/WebViewPage.xaml

@@ -0,0 +1,158 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="WebViewDemo.WebViewPage"
+             Title="WebView Demo"
+             BackgroundColor="#F5F7FA">
+
+    <ContentPage.Resources>
+        <ResourceDictionary>
+            <Color x:Key="PrimaryColor">#5C6BC0</Color>
+            <Color x:Key="PrimaryDark">#3949AB</Color>
+            <Color x:Key="AccentColor">#26A69A</Color>
+            <Color x:Key="ButtonColor">#667EEA</Color>
+            <Color x:Key="TextPrimary">#212121</Color>
+            <Color x:Key="TextSecondary">#757575</Color>
+            <Color x:Key="CardBackground">#FFFFFF</Color>
+        </ResourceDictionary>
+    </ContentPage.Resources>
+
+    <Grid RowDefinitions="Auto,Auto,Auto,*,Auto,Auto" Padding="16" RowSpacing="12">
+
+        <!-- Header -->
+        <Label Grid.Row="0"
+               Text="WebView Demo - WebKitGTK"
+               FontSize="22"
+               FontAttributes="Bold"
+               TextColor="{StaticResource PrimaryColor}"
+               HorizontalOptions="Center" />
+
+        <!-- Navigation Bar -->
+        <Border Grid.Row="1"
+                BackgroundColor="{StaticResource CardBackground}"
+                StrokeThickness="0"
+                Padding="12">
+            <Border.StrokeShape>
+                <RoundRectangle CornerRadius="8" />
+            </Border.StrokeShape>
+
+            <HorizontalStackLayout Spacing="8" HorizontalOptions="Center">
+                <Button x:Name="BackButton"
+                        Text="Back"
+                        WidthRequest="70"
+                        HeightRequest="36"
+                        FontSize="13"
+                        BackgroundColor="{StaticResource ButtonColor}"
+                        TextColor="White"
+                        Clicked="OnBackClicked" />
+                <Button x:Name="ForwardButton"
+                        Text="Forward"
+                        WidthRequest="80"
+                        HeightRequest="36"
+                        FontSize="13"
+                        BackgroundColor="{StaticResource ButtonColor}"
+                        TextColor="White"
+                        Clicked="OnForwardClicked" />
+                <Button x:Name="ReloadButton"
+                        Text="Reload"
+                        WidthRequest="70"
+                        HeightRequest="36"
+                        FontSize="13"
+                        BackgroundColor="{StaticResource ButtonColor}"
+                        TextColor="White"
+                        Clicked="OnReloadClicked" />
+            </HorizontalStackLayout>
+        </Border>
+
+        <!-- URL Bar -->
+        <Border Grid.Row="2"
+                BackgroundColor="{StaticResource CardBackground}"
+                StrokeThickness="0"
+                Padding="12">
+            <Border.StrokeShape>
+                <RoundRectangle CornerRadius="8" />
+            </Border.StrokeShape>
+
+            <Grid ColumnDefinitions="*,Auto" ColumnSpacing="8">
+                <Entry x:Name="UrlEntry"
+                       Grid.Column="0"
+                       Placeholder="Enter URL..."
+                       Text="https://dotnet.microsoft.com"
+                       FontSize="14"
+                       VerticalOptions="Center"
+                       Completed="OnUrlSubmitted" />
+                <Button x:Name="GoButton"
+                        Grid.Column="1"
+                        Text="Go"
+                        WidthRequest="60"
+                        HeightRequest="36"
+                        FontSize="13"
+                        BackgroundColor="{StaticResource AccentColor}"
+                        TextColor="White"
+                        Clicked="OnGoClicked" />
+            </Grid>
+        </Border>
+
+        <!-- WebView -->
+        <Border Grid.Row="3"
+                BackgroundColor="{StaticResource CardBackground}"
+                StrokeThickness="1"
+                Stroke="#E0E0E0">
+            <Border.StrokeShape>
+                <RoundRectangle CornerRadius="8" />
+            </Border.StrokeShape>
+
+            <WebView x:Name="MainWebView"
+                     VerticalOptions="Fill"
+                     HorizontalOptions="Fill"
+                     Navigating="OnNavigating"
+                     Navigated="OnNavigated" />
+        </Border>
+
+        <!-- Action Buttons -->
+        <Border Grid.Row="4"
+                BackgroundColor="{StaticResource CardBackground}"
+                StrokeThickness="0"
+                Padding="12">
+            <Border.StrokeShape>
+                <RoundRectangle CornerRadius="8" />
+            </Border.StrokeShape>
+
+            <HorizontalStackLayout Spacing="8" HorizontalOptions="Center">
+                <Button x:Name="LoadHtmlButton"
+                        Text="Load HTML"
+                        WidthRequest="110"
+                        HeightRequest="36"
+                        FontSize="13"
+                        BackgroundColor="{StaticResource PrimaryColor}"
+                        TextColor="White"
+                        Clicked="OnLoadHtmlClicked" />
+                <Button x:Name="EvalJsButton"
+                        Text="Run JS"
+                        WidthRequest="90"
+                        HeightRequest="36"
+                        FontSize="13"
+                        BackgroundColor="{StaticResource PrimaryColor}"
+                        TextColor="White"
+                        Clicked="OnEvalJsClicked" />
+            </HorizontalStackLayout>
+        </Border>
+
+        <!-- Status Bar -->
+        <Border Grid.Row="5"
+                BackgroundColor="{StaticResource PrimaryDark}"
+                StrokeThickness="0"
+                Padding="12,8">
+            <Border.StrokeShape>
+                <RoundRectangle CornerRadius="6" />
+            </Border.StrokeShape>
+
+            <Label x:Name="StatusLabel"
+                   Text="Ready"
+                   FontSize="13"
+                   TextColor="White"
+                   HorizontalOptions="Center" />
+        </Border>
+
+    </Grid>
+</ContentPage>

WebViewDemo/Pages/WebViewPage.xaml.cs

@@ -0,0 +1,178 @@
+// WebViewPage - Main page demonstrating WebView with WebKitGTK
+
+using Microsoft.Maui.Controls;
+
+namespace WebViewDemo;
+
+public partial class WebViewPage : ContentPage
+{
+    public WebViewPage()
+    {
+        Console.WriteLine("[WebViewPage] Constructor starting");
+        InitializeComponent();
+
+        // Set initial URL
+        MainWebView.Source = new UrlWebViewSource { Url = "https://dotnet.microsoft.com" };
+
+        Console.WriteLine("[WebViewPage] Constructor finished");
+    }
+
+    private void OnBackClicked(object? sender, EventArgs e)
+    {
+        Console.WriteLine("[WebViewPage] Back button clicked");
+        if (MainWebView.CanGoBack)
+        {
+            MainWebView.GoBack();
+        }
+    }
+
+    private void OnForwardClicked(object? sender, EventArgs e)
+    {
+        Console.WriteLine("[WebViewPage] Forward button clicked");
+        if (MainWebView.CanGoForward)
+        {
+            MainWebView.GoForward();
+        }
+    }
+
+    private void OnReloadClicked(object? sender, EventArgs e)
+    {
+        Console.WriteLine("[WebViewPage] Reload button clicked");
+        MainWebView.Reload();
+    }
+
+    private void OnGoClicked(object? sender, EventArgs e)
+    {
+        Navigate();
+    }
+
+    private void OnUrlSubmitted(object? sender, EventArgs e)
+    {
+        Navigate();
+    }
+
+    private void Navigate()
+    {
+        var url = UrlEntry.Text?.Trim();
+        if (string.IsNullOrEmpty(url))
+            return;
+
+        // Add https:// if not present
+        if (!url.StartsWith("http://") && !url.StartsWith("https://"))
+            url = "https://" + url;
+
+        Console.WriteLine($"[WebViewPage] Navigating to: {url}");
+        MainWebView.Source = new UrlWebViewSource { Url = url };
+        UrlEntry.Text = url;
+    }
+
+    private void OnNavigating(object? sender, WebNavigatingEventArgs e)
+    {
+        StatusLabel.Text = $"Loading: {e.Url}";
+        Console.WriteLine($"[WebViewPage] Navigating to: {e.Url}");
+    }
+
+    private void OnNavigated(object? sender, WebNavigatedEventArgs e)
+    {
+        StatusLabel.Text = e.Result == WebNavigationResult.Success
+            ? $"Loaded: {e.Url}"
+            : $"Failed: {e.Result}";
+
+        UrlEntry.Text = e.Url;
+        Console.WriteLine($"[WebViewPage] Navigated: {e.Result} - {e.Url}");
+    }
+
+    private void OnLoadHtmlClicked(object? sender, EventArgs e)
+    {
+        Console.WriteLine("[WebViewPage] Load HTML button clicked");
+
+        var html = @"
+<!DOCTYPE html>
+<html>
+<head>
+    <title>OpenMaui WebView</title>
+    <style>
+        body {
+            font-family: 'Segoe UI', Arial, sans-serif;
+            margin: 40px;
+            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+            color: white;
+            min-height: 100vh;
+        }
+        h1 {
+            font-size: 2.5em;
+            margin-bottom: 20px;
+        }
+        p {
+            font-size: 1.2em;
+            line-height: 1.6;
+        }
+        .feature-list {
+            background: rgba(255,255,255,0.1);
+            padding: 20px;
+            border-radius: 10px;
+            margin-top: 20px;
+        }
+        li {
+            margin: 10px 0;
+            font-size: 1.1em;
+        }
+        button {
+            background: #4CAF50;
+            color: white;
+            border: none;
+            padding: 15px 30px;
+            font-size: 1.1em;
+            border-radius: 5px;
+            cursor: pointer;
+            margin-top: 20px;
+        }
+        button:hover {
+            background: #45a049;
+        }
+    </style>
+</head>
+<body>
+    <h1>Hello from OpenMaui Linux!</h1>
+    <p>This HTML content is rendered by WebKitGTK inside your .NET MAUI application.</p>
+
+    <div class='feature-list'>
+        <h2>WebView Features:</h2>
+        <ul>
+            <li>Full HTML5 support</li>
+            <li>CSS3 animations and transitions</li>
+            <li>JavaScript execution</li>
+            <li>Navigation history (back/forward)</li>
+            <li>WebGL and canvas support</li>
+        </ul>
+    </div>
+
+    <button onclick=""alert('Hello from JavaScript!')"">Click Me!</button>
+
+    <p style='margin-top: 30px; opacity: 0.8;'>
+        Powered by WebKitGTK - the same engine used by GNOME Web (Epiphany)
+    </p>
+</body>
+</html>";
+
+        MainWebView.Source = new HtmlWebViewSource { Html = html };
+        StatusLabel.Text = "Loaded custom HTML";
+    }
+
+    private async void OnEvalJsClicked(object? sender, EventArgs e)
+    {
+        Console.WriteLine("[WebViewPage] Run JS button clicked");
+
+        try
+        {
+            var result = await MainWebView.EvaluateJavaScriptAsync("document.title");
+            StatusLabel.Text = $"JS Result: {result ?? "(null)"}";
+            Console.WriteLine($"[WebViewPage] JS Eval result: {result}");
+        }
+        catch (Exception ex)
+        {
+            StatusLabel.Text = $"JS Error: {ex.Message}";
+            Console.WriteLine($"[WebViewPage] JS Error: {ex.Message}");
+        }
+    }
+}

WebViewDemo/Program.cs

@@ -1,283 +1,67 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
+// Program.cs - Linux platform entry point
 
-using Microsoft.Maui;
-using Microsoft.Maui.Controls;
-using Microsoft.Maui.Hosting;
 using Microsoft.Maui.Platform.Linux;
-using Microsoft.Maui.Platform.Linux.Hosting;
 
 namespace WebViewDemo;
 
-public static class MauiProgram
+class Program
 {
-    public static MauiApp CreateMauiApp()
+    static void Main(string[] args)
     {
-        var builder = MauiApp.CreateBuilder();
-        builder.UseMauiApp<App>();
-        builder.UseLinux();
-        return builder.Build();
-    }
-}
+        // Redirect console output to a log file for debugging
+        var logPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), "webviewdemo.log");
+        using var logWriter = new StreamWriter(logPath, append: false) { AutoFlush = true };
+        var multiWriter = new MultiTextWriter(Console.Out, logWriter);
+        Console.SetOut(multiWriter);
+        Console.SetError(multiWriter);
 
-public static class Program
-{
-    public static void Main(string[] args)
-    {
-        Console.WriteLine("[Program] Starting WebView Demo");
-
-        var app = MauiProgram.CreateMauiApp();
-        LinuxApplication.Run(app, args);
-    }
-}
-
-public class App : Application
-{
-    public App()
-    {
-        MainPage = new NavigationPage(new WebViewPage())
+        // Global exception handler
+        AppDomain.CurrentDomain.UnhandledException += (sender, e) =>
         {
-            Title = "WebView Demo"
-        };
-    }
-}
-
-public class WebViewPage : ContentPage
-{
-    private readonly WebView _webView;
-    private readonly Entry _urlEntry;
-    private readonly Label _statusLabel;
-
-    public WebViewPage()
-    {
-        Title = "WebView Demo";
-
-        _webView = new WebView
-        {
-            HeightRequest = 400,
-            VerticalOptions = LayoutOptions.Fill,
-            HorizontalOptions = LayoutOptions.Fill,
-            Source = new UrlWebViewSource { Url = "https://dotnet.microsoft.com" }
-        };
-
-        _webView.Navigating += OnNavigating;
-        _webView.Navigated += OnNavigated;
-
-        _urlEntry = new Entry
-        {
-            Placeholder = "Enter URL...",
-            Text = "https://dotnet.microsoft.com",
-            HorizontalOptions = LayoutOptions.Fill
-        };
-        _urlEntry.Completed += OnUrlSubmitted;
-
-        _statusLabel = new Label
-        {
-            Text = "Ready",
-            TextColor = Colors.Gray,
-            FontSize = 12
-        };
-
-        var goButton = new Button
-        {
-            Text = "Go",
-            WidthRequest = 60
-        };
-        goButton.Clicked += (s, e) => Navigate();
-
-        var backButton = new Button
-        {
-            Text = "Back",
-            WidthRequest = 60
-        };
-        backButton.Clicked += (s, e) => _webView.GoBack();
-
-        var forwardButton = new Button
-        {
-            Text = "Forward",
-            WidthRequest = 80
-        };
-        forwardButton.Clicked += (s, e) => _webView.GoForward();
-
-        var reloadButton = new Button
-        {
-            Text = "Reload",
-            WidthRequest = 70
-        };
-        reloadButton.Clicked += (s, e) => _webView.Reload();
-
-        var loadHtmlButton = new Button
-        {
-            Text = "Load HTML",
-            WidthRequest = 100
-        };
-        loadHtmlButton.Clicked += OnLoadHtmlClicked;
-
-        var evalJsButton = new Button
-        {
-            Text = "Run JS",
-            WidthRequest = 80
-        };
-        evalJsButton.Clicked += OnEvalJsClicked;
-
-        // Navigation bar
-        var navBar = new HorizontalStackLayout
-        {
-            Spacing = 5,
-            Children = { backButton, forwardButton, reloadButton }
-        };
-
-        // URL bar
-        var urlBar = new HorizontalStackLayout
-        {
-            Spacing = 5,
-            Children = { _urlEntry, goButton }
-        };
-
-        // Action buttons
-        var actionBar = new HorizontalStackLayout
-        {
-            Spacing = 5,
-            Children = { loadHtmlButton, evalJsButton }
-        };
-
-        Content = new VerticalStackLayout
-        {
-            Padding = 10,
-            Spacing = 10,
-            Children =
+            var ex = e.ExceptionObject as Exception;
+            Console.WriteLine($"[FATAL] Unhandled exception: {ex?.GetType().Name}: {ex?.Message}");
+            Console.WriteLine($"[FATAL] Stack trace: {ex?.StackTrace}");
+            if (ex?.InnerException != null)
             {
-                new Label { Text = "WebView Demo - WebKitGTK", FontSize = 20, FontAttributes = FontAttributes.Bold },
-                navBar,
-                urlBar,
-                _webView,
-                actionBar,
-                _statusLabel
+                Console.WriteLine($"[FATAL] Inner exception: {ex.InnerException.GetType().Name}: {ex.InnerException.Message}");
+                Console.WriteLine($"[FATAL] Inner stack trace: {ex.InnerException.StackTrace}");
             }
         };
-    }
 
-    private void Navigate()
-    {
-        var url = _urlEntry.Text?.Trim();
-        if (string.IsNullOrEmpty(url))
-            return;
+        TaskScheduler.UnobservedTaskException += (sender, e) =>
+        {
+            Console.WriteLine($"[FATAL] Unobserved task exception: {e.Exception?.GetType().Name}: {e.Exception?.Message}");
+            Console.WriteLine($"[FATAL] Stack trace: {e.Exception?.StackTrace}");
+            e.SetObserved(); // Prevent crash
+        };
 
-        // Add https:// if not present
-        if (!url.StartsWith("http://") && !url.StartsWith("https://"))
-            url = "https://" + url;
+        Console.WriteLine($"[Program] Starting WebView Demo at {DateTime.Now}");
+        Console.WriteLine($"[Program] Log file: {logPath}");
 
-        _webView.Source = new UrlWebViewSource { Url = url };
-        _urlEntry.Text = url;
-    }
-
-    private void OnUrlSubmitted(object? sender, EventArgs e)
-    {
-        Navigate();
-    }
-
-    private void OnNavigating(object? sender, WebNavigatingEventArgs e)
-    {
-        _statusLabel.Text = $"Loading: {e.Url}";
-        Console.WriteLine($"[WebViewPage] Navigating to: {e.Url}");
-    }
-
-    private void OnNavigated(object? sender, WebNavigatedEventArgs e)
-    {
-        _statusLabel.Text = e.Result == WebNavigationResult.Success
-            ? $"Loaded: {e.Url}"
-            : $"Failed: {e.Result}";
-
-        _urlEntry.Text = e.Url;
-        Console.WriteLine($"[WebViewPage] Navigated: {e.Result} - {e.Url}");
-    }
-
-    private void OnLoadHtmlClicked(object? sender, EventArgs e)
-    {
-        var html = @"
-<!DOCTYPE html>
-<html>
-<head>
-    <title>OpenMaui WebView</title>
-    <style>
-        body {
-            font-family: 'Segoe UI', Arial, sans-serif;
-            margin: 40px;
-            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-            color: white;
-            min-height: 100vh;
-        }
-        h1 {
-            font-size: 2.5em;
-            margin-bottom: 20px;
-        }
-        p {
-            font-size: 1.2em;
-            line-height: 1.6;
-        }
-        .feature-list {
-            background: rgba(255,255,255,0.1);
-            padding: 20px;
-            border-radius: 10px;
-            margin-top: 20px;
-        }
-        li {
-            margin: 10px 0;
-            font-size: 1.1em;
-        }
-        button {
-            background: #4CAF50;
-            color: white;
-            border: none;
-            padding: 15px 30px;
-            font-size: 1.1em;
-            border-radius: 5px;
-            cursor: pointer;
-            margin-top: 20px;
-        }
-        button:hover {
-            background: #45a049;
-        }
-    </style>
-</head>
-<body>
-    <h1>Hello from OpenMaui Linux!</h1>
-    <p>This HTML content is rendered by WebKitGTK inside your .NET MAUI application.</p>
-
-    <div class='feature-list'>
-        <h2>WebView Features:</h2>
-        <ul>
-            <li>Full HTML5 support</li>
-            <li>CSS3 animations and transitions</li>
-            <li>JavaScript execution</li>
-            <li>Navigation history (back/forward)</li>
-            <li>WebGL and canvas support</li>
-        </ul>
-    </div>
-
-    <button onclick=""alert('Hello from JavaScript!')"">Click Me!</button>
-
-    <p style='margin-top: 30px; opacity: 0.8;'>
-        Powered by WebKitGTK - the same engine used by GNOME Web (Epiphany)
-    </p>
-</body>
-</html>";
-
-        _webView.Source = new HtmlWebViewSource { Html = html };
-        _statusLabel.Text = "Loaded custom HTML";
-    }
-
-    private async void OnEvalJsClicked(object? sender, EventArgs e)
-    {
         try
         {
-            var result = await _webView.EvaluateJavaScriptAsync("document.title");
-            _statusLabel.Text = $"JS Result: {result ?? "(null)"}";
-            Console.WriteLine($"[WebViewPage] JS Eval result: {result}");
+            // Create the MAUI app with all handlers registered
+            var app = MauiProgram.CreateMauiApp();
+
+            // Run on Linux platform
+            LinuxApplication.Run(app, args);
         }
         catch (Exception ex)
         {
-            _statusLabel.Text = $"JS Error: {ex.Message}";
+            Console.WriteLine($"[FATAL] Exception in Main: {ex.GetType().Name}: {ex.Message}");
+            Console.WriteLine($"[FATAL] Stack trace: {ex.StackTrace}");
+            throw;
         }
     }
 }
+
+// Helper to write to both console and file
+class MultiTextWriter : TextWriter
+{
+    private readonly TextWriter[] _writers;
+    public MultiTextWriter(params TextWriter[] writers) => _writers = writers;
+    public override System.Text.Encoding Encoding => System.Text.Encoding.UTF8;
+    public override void Write(char value) { foreach (var w in _writers) w.Write(value); }
+    public override void WriteLine(string? value) { foreach (var w in _writers) w.WriteLine(value); }
+    public override void Flush() { foreach (var w in _writers) w.Flush(); }
+}

WebViewDemo/WebViewDemo.csproj

@@ -5,14 +5,11 @@
     <TargetFramework>net9.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
-    <RootNamespace>WebViewDemo</RootNamespace>
-    <RuntimeIdentifier>linux-arm64</RuntimeIdentifier>
-    <SelfContained>true</SelfContained>
-    <PublishSingleFile>false</PublishSingleFile>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="../../OpenMaui.Controls.Linux.csproj" />
+    <ProjectReference Include="../../maui-linux/OpenMaui.Controls.Linux.csproj" />
   </ItemGroup>
 
 </Project>