Add WebView support via WebKitGTK

Implements Priority 4 item: WebView via WebKitGTK

New files:
- Interop/WebKitGtk.cs - P/Invoke bindings for WebKitGTK library
- Views/LinuxWebView.cs - WebKitGTK-based WebView platform control
- Handlers/WebViewHandler.Linux.cs - MAUI handler for WebView on Linux
- samples_temp/WebViewDemo/ - Demo app for WebView functionality

Features:
- Full HTML5/CSS3/JavaScript support via WebKitGTK
- Navigation (back/forward/reload)
- URL and HTML source loading
- JavaScript evaluation
- Navigation events (Navigating/Navigated)
- Automatic GTK event processing

Requirements:
- libwebkit2gtk-4.1-0 package on target Linux system

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
2025-12-28 10:45:58 -05:00
parent 10a061777e
commit 1e84c6168a
23 changed files with 4351 additions and 2 deletions

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// ShellDemo App - Comprehensive Control Demo
using Microsoft.Maui.Controls;
namespace ShellDemo;
/// <summary>
/// Main application class with Shell navigation.
/// </summary>
public class App : Application
{
public App()
{
MainPage = new AppShell();
}
}
/// <summary>
/// Shell definition with flyout menu - comprehensive control demo.
/// </summary>
public class AppShell : Shell
{
public AppShell()
{
FlyoutBehavior = FlyoutBehavior.Flyout;
Title = "OpenMaui Controls Demo";
// Register routes for push navigation (pages not in flyout)
Routing.RegisterRoute("detail", typeof(DetailPage));
// Home
Items.Add(CreateFlyoutItem("Home", typeof(HomePage)));
// Buttons Demo
Items.Add(CreateFlyoutItem("Buttons", typeof(ButtonsPage)));
// Text Input Demo
Items.Add(CreateFlyoutItem("Text Input", typeof(TextInputPage)));
// Selection Controls Demo
Items.Add(CreateFlyoutItem("Selection", typeof(SelectionPage)));
// Pickers Demo
Items.Add(CreateFlyoutItem("Pickers", typeof(PickersPage)));
// Lists Demo
Items.Add(CreateFlyoutItem("Lists", typeof(ListsPage)));
// Progress Demo
Items.Add(CreateFlyoutItem("Progress", typeof(ProgressPage)));
// Grids Demo
Items.Add(CreateFlyoutItem("Grids", typeof(GridsPage)));
// About
Items.Add(CreateFlyoutItem("About", typeof(AboutPage)));
}
private FlyoutItem CreateFlyoutItem(string title, Type pageType)
{
// Route is required for Shell.GoToAsync navigation to work
var route = title.Replace(" ", "");
return new FlyoutItem
{
Title = title,
Route = route,
Items =
{
new ShellContent
{
Title = title,
Route = route,
ContentTemplate = new DataTemplate(pageType)
}
}
};
}
}

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// MauiProgram.cs - Shared MAUI app configuration
// Works across all platforms (iOS, Android, Windows, Linux)
using Microsoft.Maui.Hosting;
using Microsoft.Maui.Platform.Linux.Hosting;
namespace ShellDemo;
public static class MauiProgram
{
public static MauiApp CreateMauiApp()
{
var builder = MauiApp.CreateBuilder();
// Configure the app (shared across all platforms)
builder.UseMauiApp<App>();
// Add Linux platform support
// On other platforms, this would be iOS/Android/Windows specific
builder.UseLinux();
return builder.Build();
}
}

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// AboutPage - Information about OpenMaui Linux
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
namespace ShellDemo;
public class AboutPage : ContentPage
{
public AboutPage()
{
Title = "About";
Content = new ScrollView
{
Content = new VerticalStackLayout
{
Padding = new Thickness(20),
Spacing = 20,
Children =
{
new Label
{
Text = "OpenMaui Linux",
FontSize = 32,
FontAttributes = FontAttributes.Bold,
TextColor = Color.FromArgb("#1A237E"),
HorizontalOptions = LayoutOptions.Center
},
new Label
{
Text = "Version 1.0.0",
FontSize = 16,
TextColor = Colors.Gray,
HorizontalOptions = LayoutOptions.Center
},
new BoxView { HeightRequest = 1, Color = Colors.LightGray },
new Label
{
Text = "OpenMaui Linux brings .NET MAUI to Linux desktops using SkiaSharp for rendering. " +
"It provides a native Linux experience while maintaining compatibility with MAUI's cross-platform API.",
FontSize = 14,
LineBreakMode = LineBreakMode.WordWrap
},
CreateInfoCard("Platform", "Linux (X11/Wayland)"),
CreateInfoCard("Rendering", "SkiaSharp"),
CreateInfoCard("Framework", ".NET MAUI"),
CreateInfoCard("License", "MIT License"),
new BoxView { HeightRequest = 1, Color = Colors.LightGray },
new Label
{
Text = "Features",
FontSize = 20,
FontAttributes = FontAttributes.Bold
},
CreateFeatureItem("Full XAML support with styles and resources"),
CreateFeatureItem("Shell navigation with flyout menus"),
CreateFeatureItem("All standard MAUI controls"),
CreateFeatureItem("Data binding and MVVM"),
CreateFeatureItem("Keyboard and mouse input"),
CreateFeatureItem("High DPI support"),
new BoxView { HeightRequest = 1, Color = Colors.LightGray },
new Label
{
Text = "https://github.com/pablotoledo/OpenMaui-Linux",
FontSize = 12,
TextColor = Colors.Blue,
HorizontalOptions = LayoutOptions.Center
}
}
}
};
}
private Frame CreateInfoCard(string label, string value)
{
return new Frame
{
CornerRadius = 8,
Padding = new Thickness(15),
BackgroundColor = Color.FromArgb("#F5F5F5"),
HasShadow = false,
Content = new HorizontalStackLayout
{
Children =
{
new Label
{
Text = label + ":",
FontAttributes = FontAttributes.Bold,
WidthRequest = 100
},
new Label
{
Text = value,
TextColor = Colors.Gray
}
}
}
};
}
private View CreateFeatureItem(string text)
{
return new HorizontalStackLayout
{
Spacing = 10,
Children =
{
new Label { Text = "✓", TextColor = Color.FromArgb("#4CAF50"), FontSize = 16 },
new Label { Text = text, FontSize = 14 }
}
};
}
}

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// ButtonsPage - Comprehensive Button Control Demo
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
namespace ShellDemo;
public class ButtonsPage : ContentPage
{
private readonly Label _eventLog;
private int _eventCount = 0;
public ButtonsPage()
{
Title = "Buttons Demo";
_eventLog = new Label
{
Text = "Events will appear here...",
FontSize = 11,
TextColor = Colors.Gray,
LineBreakMode = LineBreakMode.WordWrap
};
Content = new Grid
{
RowDefinitions =
{
new RowDefinition { Height = new GridLength(1, GridUnitType.Star) },
new RowDefinition { Height = new GridLength(120) }
},
Children =
{
CreateMainContent(),
CreateEventLogPanel()
}
};
Grid.SetRow((View)((Grid)Content).Children[0], 0);
Grid.SetRow((View)((Grid)Content).Children[1], 1);
}
private View CreateMainContent()
{
return new ScrollView
{
Content = new VerticalStackLayout
{
Padding = new Thickness(20),
Spacing = 20,
Children =
{
new Label { Text = "Button Styles & Events", FontSize = 24, FontAttributes = FontAttributes.Bold },
// Basic Buttons
CreateSection("Basic Buttons", CreateBasicButtons()),
// Styled Buttons
CreateSection("Styled Buttons", CreateStyledButtons()),
// Button States
CreateSection("Button States", CreateButtonStates()),
// Button with Icons (text simulation)
CreateSection("Button Variations", CreateButtonVariations())
}
}
};
}
private View CreateBasicButtons()
{
var layout = new VerticalStackLayout { Spacing = 10 };
var defaultBtn = new Button { Text = "Default Button" };
defaultBtn.Clicked += (s, e) => LogEvent("Default Button clicked");
defaultBtn.Pressed += (s, e) => LogEvent("Default Button pressed");
defaultBtn.Released += (s, e) => LogEvent("Default Button released");
var textBtn = new Button { Text = "Text Only", BackgroundColor = Colors.Transparent, TextColor = Colors.Blue };
textBtn.Clicked += (s, e) => LogEvent("Text Button clicked");
layout.Children.Add(defaultBtn);
layout.Children.Add(textBtn);
return layout;
}
private View CreateStyledButtons()
{
var layout = new HorizontalStackLayout { Spacing = 10 };
var colors = new[]
{
("#2196F3", "Primary"),
("#4CAF50", "Success"),
("#FF9800", "Warning"),
("#F44336", "Danger"),
("#9C27B0", "Purple")
};
foreach (var (color, name) in colors)
{
var btn = new Button
{
Text = name,
BackgroundColor = Color.FromArgb(color),
TextColor = Colors.White,
CornerRadius = 5
};
btn.Clicked += (s, e) => LogEvent($"{name} button clicked");
layout.Children.Add(btn);
}
return layout;
}
private View CreateButtonStates()
{
var layout = new VerticalStackLayout { Spacing = 10 };
var enabledBtn = new Button { Text = "Enabled Button", IsEnabled = true };
enabledBtn.Clicked += (s, e) => LogEvent("Enabled button clicked");
var disabledBtn = new Button { Text = "Disabled Button", IsEnabled = false };
var toggleBtn = new Button { Text = "Toggle Above Button" };
toggleBtn.Clicked += (s, e) =>
{
disabledBtn.IsEnabled = !disabledBtn.IsEnabled;
disabledBtn.Text = disabledBtn.IsEnabled ? "Now Enabled!" : "Disabled Button";
LogEvent($"Toggled button to: {(disabledBtn.IsEnabled ? "Enabled" : "Disabled")}");
};
layout.Children.Add(enabledBtn);
layout.Children.Add(disabledBtn);
layout.Children.Add(toggleBtn);
return layout;
}
private View CreateButtonVariations()
{
var layout = new VerticalStackLayout { Spacing = 10 };
var wideBtn = new Button
{
Text = "Wide Button",
HorizontalOptions = LayoutOptions.Fill,
BackgroundColor = Color.FromArgb("#673AB7"),
TextColor = Colors.White
};
wideBtn.Clicked += (s, e) => LogEvent("Wide button clicked");
var tallBtn = new Button
{
Text = "Tall Button",
HeightRequest = 60,
BackgroundColor = Color.FromArgb("#009688"),
TextColor = Colors.White
};
tallBtn.Clicked += (s, e) => LogEvent("Tall button clicked");
var roundBtn = new Button
{
Text = "Round",
WidthRequest = 80,
HeightRequest = 80,
CornerRadius = 40,
BackgroundColor = Color.FromArgb("#E91E63"),
TextColor = Colors.White
};
roundBtn.Clicked += (s, e) => LogEvent("Round button clicked");
layout.Children.Add(wideBtn);
layout.Children.Add(tallBtn);
layout.Children.Add(new HorizontalStackLayout { Children = { roundBtn } });
return layout;
}
private Frame CreateSection(string title, View content)
{
return new Frame
{
CornerRadius = 8,
Padding = new Thickness(15),
BackgroundColor = Colors.White,
Content = new VerticalStackLayout
{
Spacing = 10,
Children =
{
new Label { Text = title, FontSize = 16, FontAttributes = FontAttributes.Bold },
content
}
}
};
}
private View CreateEventLogPanel()
{
return new Frame
{
BackgroundColor = Color.FromArgb("#F5F5F5"),
Padding = new Thickness(10),
CornerRadius = 0,
Content = new VerticalStackLayout
{
Children =
{
new Label { Text = "Event Log:", FontSize = 12, FontAttributes = FontAttributes.Bold },
new ScrollView
{
HeightRequest = 80,
Content = _eventLog
}
}
}
};
}
private void LogEvent(string message)
{
_eventCount++;
var timestamp = DateTime.Now.ToString("HH:mm:ss");
_eventLog.Text = $"[{timestamp}] {_eventCount}. {message}\n{_eventLog.Text}";
}
}

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// ControlsPage - Demonstrates various MAUI controls
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
namespace ShellDemo;
public class ControlsPage : ContentPage
{
public ControlsPage()
{
Title = "Controls";
Content = new ScrollView
{
Content = new VerticalStackLayout
{
Padding = new Thickness(20),
Spacing = 15,
Children =
{
new Label
{
Text = "Control Gallery",
FontSize = 24,
FontAttributes = FontAttributes.Bold
},
// Buttons
CreateSection("Buttons", new View[]
{
CreateButtonRow()
}),
// CheckBox & Switch
CreateSection("Selection", new View[]
{
CreateCheckBoxRow(),
CreateSwitchRow()
}),
// Slider
CreateSection("Slider", new View[]
{
CreateSliderRow()
}),
// Picker
CreateSection("Picker", new View[]
{
CreatePickerRow()
}),
// Progress
CreateSection("Progress", new View[]
{
CreateProgressRow()
})
}
}
};
}
private Frame CreateSection(string title, View[] content)
{
var layout = new VerticalStackLayout { Spacing = 10 };
layout.Children.Add(new Label
{
Text = title,
FontSize = 18,
FontAttributes = FontAttributes.Bold
});
foreach (var view in content)
{
layout.Children.Add(view);
}
return new Frame
{
CornerRadius = 8,
Padding = new Thickness(15),
BackgroundColor = Colors.White,
Content = layout
};
}
private View CreateButtonRow()
{
var resultLabel = new Label { TextColor = Colors.Gray, FontSize = 12 };
var layout = new VerticalStackLayout { Spacing = 10 };
var buttonRow = new HorizontalStackLayout { Spacing = 10 };
var primaryBtn = new Button { Text = "Primary", BackgroundColor = Color.FromArgb("#2196F3"), TextColor = Colors.White };
primaryBtn.Clicked += (s, e) => resultLabel.Text = "Primary clicked!";
var successBtn = new Button { Text = "Success", BackgroundColor = Color.FromArgb("#4CAF50"), TextColor = Colors.White };
successBtn.Clicked += (s, e) => resultLabel.Text = "Success clicked!";
var dangerBtn = new Button { Text = "Danger", BackgroundColor = Color.FromArgb("#F44336"), TextColor = Colors.White };
dangerBtn.Clicked += (s, e) => resultLabel.Text = "Danger clicked!";
buttonRow.Children.Add(primaryBtn);
buttonRow.Children.Add(successBtn);
buttonRow.Children.Add(dangerBtn);
layout.Children.Add(buttonRow);
layout.Children.Add(resultLabel);
return layout;
}
private View CreateCheckBoxRow()
{
var layout = new HorizontalStackLayout { Spacing = 20 };
var cb1 = new CheckBox { IsChecked = true };
var cb2 = new CheckBox { IsChecked = false };
layout.Children.Add(cb1);
layout.Children.Add(new Label { Text = "Option 1", VerticalOptions = LayoutOptions.Center });
layout.Children.Add(cb2);
layout.Children.Add(new Label { Text = "Option 2", VerticalOptions = LayoutOptions.Center });
return layout;
}
private View CreateSwitchRow()
{
var label = new Label { Text = "Off", VerticalOptions = LayoutOptions.Center };
var sw = new Switch { IsToggled = false };
sw.Toggled += (s, e) => label.Text = e.Value ? "On" : "Off";
return new HorizontalStackLayout
{
Spacing = 10,
Children = { sw, label }
};
}
private View CreateSliderRow()
{
var label = new Label { Text = "Value: 50" };
var slider = new Slider { Minimum = 0, Maximum = 100, Value = 50 };
slider.ValueChanged += (s, e) => label.Text = $"Value: {(int)e.NewValue}";
return new VerticalStackLayout
{
Spacing = 5,
Children = { slider, label }
};
}
private View CreatePickerRow()
{
var label = new Label { Text = "Selected: (none)", TextColor = Colors.Gray };
var picker = new Picker { Title = "Select a fruit" };
picker.Items.Add("Apple");
picker.Items.Add("Banana");
picker.Items.Add("Cherry");
picker.Items.Add("Date");
picker.Items.Add("Elderberry");
picker.SelectedIndexChanged += (s, e) =>
{
if (picker.SelectedIndex >= 0)
label.Text = $"Selected: {picker.Items[picker.SelectedIndex]}";
};
return new VerticalStackLayout
{
Spacing = 5,
Children = { picker, label }
};
}
private View CreateProgressRow()
{
var progress = new ProgressBar { Progress = 0.7 };
var activity = new ActivityIndicator { IsRunning = true };
return new VerticalStackLayout
{
Spacing = 10,
Children =
{
progress,
new Label { Text = "70% Complete", FontSize = 12, TextColor = Colors.Gray },
new HorizontalStackLayout
{
Spacing = 10,
Children =
{
activity,
new Label { Text = "Loading...", VerticalOptions = LayoutOptions.Center, TextColor = Colors.Gray }
}
}
}
};
}
}

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// DetailPage - Demonstrates push/pop navigation
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
using Microsoft.Maui.Platform.Linux.Hosting;
namespace ShellDemo;
/// <summary>
/// A detail page that can be pushed onto the navigation stack.
/// </summary>
public class DetailPage : ContentPage
{
private readonly string _itemName;
public DetailPage() : this("Detail Item")
{
}
public DetailPage(string itemName)
{
_itemName = itemName;
Title = "Detail Page";
Content = new VerticalStackLayout
{
Padding = new Thickness(30),
Spacing = 20,
VerticalOptions = LayoutOptions.Center,
Children =
{
new Label
{
Text = "Pushed Page",
FontSize = 28,
FontAttributes = FontAttributes.Bold,
HorizontalOptions = LayoutOptions.Center,
TextColor = Color.FromArgb("#9C27B0")
},
new Label
{
Text = $"You navigated to: {_itemName}",
FontSize = 16,
HorizontalOptions = LayoutOptions.Center
},
new Label
{
Text = "This page was pushed onto the navigation stack using Shell.Current.GoToAsync()",
FontSize = 14,
TextColor = Colors.Gray,
HorizontalTextAlignment = TextAlignment.Center,
LineBreakMode = LineBreakMode.WordWrap
},
new BoxView
{
HeightRequest = 2,
Color = Color.FromArgb("#E0E0E0"),
Margin = new Thickness(0, 20)
},
CreateBackButton(),
new Label
{
Text = "Use the back button above or the hardware/gesture back to pop this page",
FontSize = 12,
TextColor = Colors.Gray,
HorizontalTextAlignment = TextAlignment.Center,
Margin = new Thickness(0, 20, 0, 0)
}
}
};
}
private Button CreateBackButton()
{
var backBtn = new Button
{
Text = "Go Back (Pop)",
BackgroundColor = Color.FromArgb("#9C27B0"),
TextColor = Colors.White,
HorizontalOptions = LayoutOptions.Center,
Padding = new Thickness(30, 10)
};
backBtn.Clicked += (s, e) =>
{
// Pop this page off the navigation stack using LinuxViewRenderer
Console.WriteLine("[DetailPage] Go Back clicked");
var success = LinuxViewRenderer.PopPage();
Console.WriteLine($"[DetailPage] PopPage result: {success}");
};
return backBtn;
}
}
/// <summary>
/// Query property for passing data to DetailPage.
/// </summary>
[QueryProperty(nameof(ItemName), "item")]
public class DetailPageWithQuery : DetailPage
{
private string _itemName = "Item";
public string ItemName
{
get => _itemName;
set
{
_itemName = value;
// Update the title when the property is set
Title = $"Detail: {value}";
}
}
public DetailPageWithQuery() : base()
{
}
}

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// GridsPage - Demonstrates Grid layouts with various options
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
namespace ShellDemo;
public class GridsPage : ContentPage
{
public GridsPage()
{
Title = "Grids";
Content = new ScrollView
{
Orientation = ScrollOrientation.Both,
Content = new VerticalStackLayout
{
Spacing = 25,
Children =
{
CreateSectionHeader("Basic Grid (2x2)"),
CreateBasicGrid(),
CreateSectionHeader("Column Definitions"),
CreateColumnDefinitionsDemo(),
CreateSectionHeader("Row Definitions"),
CreateRowDefinitionsDemo(),
CreateSectionHeader("Auto Rows (Empty vs Content)"),
CreateAutoRowsDemo(),
CreateSectionHeader("Star Sizing (Proportional)"),
CreateStarSizingDemo(),
CreateSectionHeader("Row & Column Spacing"),
CreateSpacingDemo(),
CreateSectionHeader("Row & Column Span"),
CreateSpanDemo(),
CreateSectionHeader("Mixed Sizing"),
CreateMixedSizingDemo(),
CreateSectionHeader("Nested Grids"),
CreateNestedGridDemo(),
new BoxView { HeightRequest = 20 } // Bottom padding
}
}
};
}
private Label CreateSectionHeader(string text)
{
return new Label
{
Text = text,
FontSize = 18,
FontAttributes = FontAttributes.Bold,
TextColor = Color.FromArgb("#2196F3"),
Margin = new Thickness(0, 10, 0, 5)
};
}
private View CreateBasicGrid()
{
var grid = new Grid
{
RowDefinitions =
{
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star },
new ColumnDefinition { Width = GridLength.Star }
},
BackgroundColor = Color.FromArgb("#F5F5F5")
};
var cell1 = CreateCell("Row 0, Col 0", "#E3F2FD");
var cell2 = CreateCell("Row 0, Col 1", "#E8F5E9");
var cell3 = CreateCell("Row 1, Col 0", "#FFF3E0");
var cell4 = CreateCell("Row 1, Col 1", "#FCE4EC");
Grid.SetRow(cell1, 0); Grid.SetColumn(cell1, 0);
Grid.SetRow(cell2, 0); Grid.SetColumn(cell2, 1);
Grid.SetRow(cell3, 1); Grid.SetColumn(cell3, 0);
Grid.SetRow(cell4, 1); Grid.SetColumn(cell4, 1);
grid.Children.Add(cell1);
grid.Children.Add(cell2);
grid.Children.Add(cell3);
grid.Children.Add(cell4);
return CreateDemoContainer(grid, "Equal columns using Star sizing");
}
private View CreateColumnDefinitionsDemo()
{
var stack = new VerticalStackLayout { Spacing = 15 };
// Auto width columns
var autoGrid = new Grid
{
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Auto },
new ColumnDefinition { Width = GridLength.Auto },
new ColumnDefinition { Width = GridLength.Auto }
},
BackgroundColor = Color.FromArgb("#F5F5F5")
};
var a1 = CreateCell("Auto", "#BBDEFB");
var a2 = CreateCell("Auto Width", "#C8E6C9");
var a3 = CreateCell("A", "#FFECB3");
Grid.SetColumn(a1, 0);
Grid.SetColumn(a2, 1);
Grid.SetColumn(a3, 2);
autoGrid.Children.Add(a1);
autoGrid.Children.Add(a2);
autoGrid.Children.Add(a3);
stack.Children.Add(new Label { Text = "Auto: Sizes to content", FontSize = 12, TextColor = Colors.Gray });
stack.Children.Add(autoGrid);
// Absolute width columns
var absoluteGrid = new Grid
{
ColumnDefinitions =
{
new ColumnDefinition { Width = new GridLength(50) },
new ColumnDefinition { Width = new GridLength(100) },
new ColumnDefinition { Width = new GridLength(150) }
},
BackgroundColor = Color.FromArgb("#F5F5F5")
};
var b1 = CreateCell("50px", "#BBDEFB");
var b2 = CreateCell("100px", "#C8E6C9");
var b3 = CreateCell("150px", "#FFECB3");
Grid.SetColumn(b1, 0);
Grid.SetColumn(b2, 1);
Grid.SetColumn(b3, 2);
absoluteGrid.Children.Add(b1);
absoluteGrid.Children.Add(b2);
absoluteGrid.Children.Add(b3);
stack.Children.Add(new Label { Text = "Absolute: Fixed pixel widths (50, 100, 150)", FontSize = 12, TextColor = Colors.Gray, Margin = new Thickness(0, 10, 0, 0) });
stack.Children.Add(absoluteGrid);
return stack;
}
private View CreateRowDefinitionsDemo()
{
var grid = new Grid
{
WidthRequest = 200,
RowDefinitions =
{
new RowDefinition { Height = new GridLength(30) },
new RowDefinition { Height = new GridLength(50) },
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = new GridLength(40) }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star }
},
BackgroundColor = Color.FromArgb("#F5F5F5")
};
var r1 = CreateCell("30px height", "#BBDEFB");
var r2 = CreateCell("50px height", "#C8E6C9");
var r3 = CreateCell("Auto height\n(fits content)", "#FFECB3");
var r4 = CreateCell("40px height", "#F8BBD9");
Grid.SetRow(r1, 0);
Grid.SetRow(r2, 1);
Grid.SetRow(r3, 2);
Grid.SetRow(r4, 3);
grid.Children.Add(r1);
grid.Children.Add(r2);
grid.Children.Add(r3);
grid.Children.Add(r4);
return CreateDemoContainer(grid, "Different row heights: 30px, 50px, Auto, 40px");
}
private View CreateAutoRowsDemo()
{
var stack = new VerticalStackLayout { Spacing = 15 };
// Grid with empty Auto row
var emptyAutoGrid = new Grid
{
WidthRequest = 250,
RowDefinitions =
{
new RowDefinition { Height = new GridLength(40) },
new RowDefinition { Height = GridLength.Auto }, // Empty - should collapse
new RowDefinition { Height = new GridLength(40) }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star }
},
BackgroundColor = Color.FromArgb("#E0E0E0")
};
var r1 = CreateCell("Row 0: 40px", "#BBDEFB");
// Row 1 is Auto with NO content - should be 0 height
var r3 = CreateCell("Row 2: 40px", "#C8E6C9");
Grid.SetRow(r1, 0);
Grid.SetRow(r3, 2); // Skip row 1
emptyAutoGrid.Children.Add(r1);
emptyAutoGrid.Children.Add(r3);
stack.Children.Add(new Label { Text = "Empty Auto row (Row 1) should collapse to 0 height:", FontSize = 12, TextColor = Colors.Gray });
stack.Children.Add(emptyAutoGrid);
// Grid with Auto row that has content
var contentAutoGrid = new Grid
{
WidthRequest = 250,
RowDefinitions =
{
new RowDefinition { Height = new GridLength(40) },
new RowDefinition { Height = GridLength.Auto }, // Has content
new RowDefinition { Height = new GridLength(40) }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star }
},
BackgroundColor = Color.FromArgb("#E0E0E0")
};
var c1 = CreateCell("Row 0: 40px", "#BBDEFB");
var c2 = CreateCell("Row 1: Auto (sized to this content)", "#FFECB3");
var c3 = CreateCell("Row 2: 40px", "#C8E6C9");
Grid.SetRow(c1, 0);
Grid.SetRow(c2, 1);
Grid.SetRow(c3, 2);
contentAutoGrid.Children.Add(c1);
contentAutoGrid.Children.Add(c2);
contentAutoGrid.Children.Add(c3);
stack.Children.Add(new Label { Text = "Auto row with content sizes to fit:", FontSize = 12, TextColor = Colors.Gray, Margin = new Thickness(0, 10, 0, 0) });
stack.Children.Add(contentAutoGrid);
return stack;
}
private View CreateStarSizingDemo()
{
var grid = new Grid
{
ColumnDefinitions =
{
new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) },
new ColumnDefinition { Width = new GridLength(2, GridUnitType.Star) },
new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) }
},
BackgroundColor = Color.FromArgb("#F5F5F5")
};
var s1 = CreateCell("1*", "#BBDEFB");
var s2 = CreateCell("2* (double)", "#C8E6C9");
var s3 = CreateCell("1*", "#FFECB3");
Grid.SetColumn(s1, 0);
Grid.SetColumn(s2, 1);
Grid.SetColumn(s3, 2);
grid.Children.Add(s1);
grid.Children.Add(s2);
grid.Children.Add(s3);
return CreateDemoContainer(grid, "Star proportions: 1* | 2* | 1* = 25% | 50% | 25%");
}
private View CreateSpacingDemo()
{
var stack = new VerticalStackLayout { Spacing = 15 };
// No spacing
var noSpacing = new Grid
{
RowSpacing = 0,
ColumnSpacing = 0,
RowDefinitions =
{
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star },
new ColumnDefinition { Width = GridLength.Star }
}
};
AddFourCells(noSpacing);
stack.Children.Add(new Label { Text = "No spacing (RowSpacing=0, ColumnSpacing=0)", FontSize = 12, TextColor = Colors.Gray });
stack.Children.Add(noSpacing);
// With spacing
var withSpacing = new Grid
{
RowSpacing = 10,
ColumnSpacing = 10,
RowDefinitions =
{
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star },
new ColumnDefinition { Width = GridLength.Star }
}
};
AddFourCells(withSpacing);
stack.Children.Add(new Label { Text = "With spacing (RowSpacing=10, ColumnSpacing=10)", FontSize = 12, TextColor = Colors.Gray, Margin = new Thickness(0, 10, 0, 0) });
stack.Children.Add(withSpacing);
// Different row/column spacing
var mixedSpacing = new Grid
{
RowSpacing = 5,
ColumnSpacing = 20,
RowDefinitions =
{
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star },
new ColumnDefinition { Width = GridLength.Star }
}
};
AddFourCells(mixedSpacing);
stack.Children.Add(new Label { Text = "Mixed spacing (RowSpacing=5, ColumnSpacing=20)", FontSize = 12, TextColor = Colors.Gray, Margin = new Thickness(0, 10, 0, 0) });
stack.Children.Add(mixedSpacing);
return stack;
}
private View CreateSpanDemo()
{
var grid = new Grid
{
RowSpacing = 5,
ColumnSpacing = 5,
RowDefinitions =
{
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star },
new ColumnDefinition { Width = GridLength.Star },
new ColumnDefinition { Width = GridLength.Star }
}
};
// Spanning header
var header = CreateCell("ColumnSpan=3 (Header)", "#1976D2", Colors.White);
Grid.SetRow(header, 0);
Grid.SetColumn(header, 0);
Grid.SetColumnSpan(header, 3);
// Left sidebar spanning 2 rows
var sidebar = CreateCell("RowSpan=2\n(Sidebar)", "#388E3C", Colors.White);
Grid.SetRow(sidebar, 1);
Grid.SetColumn(sidebar, 0);
Grid.SetRowSpan(sidebar, 2);
// Content cells
var content1 = CreateCell("Content 1", "#E3F2FD");
Grid.SetRow(content1, 1);
Grid.SetColumn(content1, 1);
var content2 = CreateCell("Content 2", "#E8F5E9");
Grid.SetRow(content2, 1);
Grid.SetColumn(content2, 2);
var content3 = CreateCell("Content 3", "#FFF3E0");
Grid.SetRow(content3, 2);
Grid.SetColumn(content3, 1);
var content4 = CreateCell("Content 4", "#FCE4EC");
Grid.SetRow(content4, 2);
Grid.SetColumn(content4, 2);
grid.Children.Add(header);
grid.Children.Add(sidebar);
grid.Children.Add(content1);
grid.Children.Add(content2);
grid.Children.Add(content3);
grid.Children.Add(content4);
return CreateDemoContainer(grid, "Header spans 3 columns, Sidebar spans 2 rows");
}
private View CreateMixedSizingDemo()
{
var grid = new Grid
{
ColumnSpacing = 5,
ColumnDefinitions =
{
new ColumnDefinition { Width = new GridLength(60) }, // Fixed
new ColumnDefinition { Width = GridLength.Star }, // Fill
new ColumnDefinition { Width = GridLength.Auto }, // Auto
new ColumnDefinition { Width = new GridLength(60) } // Fixed
},
BackgroundColor = Color.FromArgb("#F5F5F5")
};
var c1 = CreateCell("60px", "#BBDEFB");
var c2 = CreateCell("Star (fills remaining)", "#C8E6C9");
var c3 = CreateCell("Auto", "#FFECB3");
var c4 = CreateCell("60px", "#F8BBD9");
Grid.SetColumn(c1, 0);
Grid.SetColumn(c2, 1);
Grid.SetColumn(c3, 2);
Grid.SetColumn(c4, 3);
grid.Children.Add(c1);
grid.Children.Add(c2);
grid.Children.Add(c3);
grid.Children.Add(c4);
return CreateDemoContainer(grid, "Mixed: 60px | Star | Auto | 60px");
}
private View CreateNestedGridDemo()
{
var outerGrid = new Grid
{
RowSpacing = 10,
ColumnSpacing = 10,
RowDefinitions =
{
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star },
new ColumnDefinition { Width = GridLength.Star }
},
BackgroundColor = Color.FromArgb("#E0E0E0"),
Padding = new Thickness(10)
};
// Nested grid 1
var innerGrid1 = new Grid
{
RowSpacing = 2,
ColumnSpacing = 2,
RowDefinitions =
{
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star },
new ColumnDefinition { Width = GridLength.Star }
}
};
var i1a = CreateCell("A", "#BBDEFB", null, 8);
var i1b = CreateCell("B", "#90CAF9", null, 8);
var i1c = CreateCell("C", "#64B5F6", null, 8);
var i1d = CreateCell("D", "#42A5F5", null, 8);
Grid.SetRow(i1a, 0); Grid.SetColumn(i1a, 0);
Grid.SetRow(i1b, 0); Grid.SetColumn(i1b, 1);
Grid.SetRow(i1c, 1); Grid.SetColumn(i1c, 0);
Grid.SetRow(i1d, 1); Grid.SetColumn(i1d, 1);
innerGrid1.Children.Add(i1a);
innerGrid1.Children.Add(i1b);
innerGrid1.Children.Add(i1c);
innerGrid1.Children.Add(i1d);
// Nested grid 2
var innerGrid2 = new Grid
{
RowSpacing = 2,
ColumnSpacing = 2,
RowDefinitions =
{
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto }
},
ColumnDefinitions =
{
new ColumnDefinition { Width = GridLength.Star },
new ColumnDefinition { Width = GridLength.Star }
}
};
var i2a = CreateCell("1", "#C8E6C9", null, 8);
var i2b = CreateCell("2", "#A5D6A7", null, 8);
var i2c = CreateCell("3", "#81C784", null, 8);
var i2d = CreateCell("4", "#66BB6A", null, 8);
Grid.SetRow(i2a, 0); Grid.SetColumn(i2a, 0);
Grid.SetRow(i2b, 0); Grid.SetColumn(i2b, 1);
Grid.SetRow(i2c, 1); Grid.SetColumn(i2c, 0);
Grid.SetRow(i2d, 1); Grid.SetColumn(i2d, 1);
innerGrid2.Children.Add(i2a);
innerGrid2.Children.Add(i2b);
innerGrid2.Children.Add(i2c);
innerGrid2.Children.Add(i2d);
Grid.SetRow(innerGrid1, 0); Grid.SetColumn(innerGrid1, 0);
Grid.SetRow(innerGrid2, 0); Grid.SetColumn(innerGrid2, 1);
var label1 = new Label { Text = "Outer Grid Row 1", HorizontalOptions = LayoutOptions.Center };
var label2 = new Label { Text = "Spans both columns", HorizontalOptions = LayoutOptions.Center };
Grid.SetRow(label1, 1); Grid.SetColumn(label1, 0);
Grid.SetRow(label2, 1); Grid.SetColumn(label2, 1);
outerGrid.Children.Add(innerGrid1);
outerGrid.Children.Add(innerGrid2);
outerGrid.Children.Add(label1);
outerGrid.Children.Add(label2);
return CreateDemoContainer(outerGrid, "Outer grid contains two nested 2x2 grids");
}
private Border CreateCell(string text, string bgColor, Color? textColor = null, float fontSize = 12)
{
return new Border
{
BackgroundColor = Color.FromArgb(bgColor),
Padding = new Thickness(10, 8),
StrokeThickness = 0,
Content = new Label
{
Text = text,
FontSize = fontSize,
TextColor = textColor ?? Colors.Black,
HorizontalTextAlignment = TextAlignment.Center,
VerticalTextAlignment = TextAlignment.Center
}
};
}
private void AddFourCells(Grid grid)
{
var c1 = CreateCell("0,0", "#BBDEFB");
var c2 = CreateCell("0,1", "#C8E6C9");
var c3 = CreateCell("1,0", "#FFECB3");
var c4 = CreateCell("1,1", "#F8BBD9");
Grid.SetRow(c1, 0); Grid.SetColumn(c1, 0);
Grid.SetRow(c2, 0); Grid.SetColumn(c2, 1);
Grid.SetRow(c3, 1); Grid.SetColumn(c3, 0);
Grid.SetRow(c4, 1); Grid.SetColumn(c4, 1);
grid.Children.Add(c1);
grid.Children.Add(c2);
grid.Children.Add(c3);
grid.Children.Add(c4);
}
private View CreateDemoContainer(View content, string description)
{
return new VerticalStackLayout
{
Spacing = 5,
Children =
{
new Label { Text = description, FontSize = 12, TextColor = Colors.Gray },
content
}
};
}
}

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// HomePage - Welcome page for the demo
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
using Microsoft.Maui.Platform.Linux.Hosting;
namespace ShellDemo;
public class HomePage : ContentPage
{
public HomePage()
{
Title = "Home";
Content = new ScrollView
{
Orientation = ScrollOrientation.Both, // Enable horizontal scrolling when window is too narrow
Content = new VerticalStackLayout
{
Padding = new Thickness(30),
Spacing = 20,
Children =
{
new Label
{
Text = "OpenMaui Linux",
FontSize = 32,
FontAttributes = FontAttributes.Bold,
HorizontalOptions = LayoutOptions.Center,
TextColor = Color.FromArgb("#2196F3")
},
new Label
{
Text = "Controls Demo",
FontSize = 20,
HorizontalOptions = LayoutOptions.Center,
TextColor = Colors.Gray
},
new BoxView
{
HeightRequest = 2,
Color = Color.FromArgb("#E0E0E0"),
Margin = new Thickness(0, 10)
},
new Label
{
Text = "Welcome to the comprehensive controls demonstration for OpenMaui Linux. " +
"This app showcases all the major UI controls available in the framework.",
FontSize = 14,
LineBreakMode = LineBreakMode.WordWrap,
HorizontalTextAlignment = TextAlignment.Center
},
CreateFeatureSection(),
new Label
{
Text = "Use the flyout menu (swipe from left or tap the hamburger icon) to navigate between different control demos.",
FontSize = 12,
TextColor = Colors.Gray,
LineBreakMode = LineBreakMode.WordWrap,
HorizontalTextAlignment = TextAlignment.Center,
Margin = new Thickness(0, 20, 0, 0)
},
CreateQuickLinksSection(),
CreateNavigationDemoSection()
}
}
};
}
private View CreateFeatureSection()
{
var grid = new Grid
{
ColumnDefinitions =
{
new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) },
new ColumnDefinition { Width = new GridLength(1, GridUnitType.Star) }
},
RowDefinitions =
{
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto },
new RowDefinition { Height = GridLength.Auto }
},
ColumnSpacing = 15,
RowSpacing = 15,
Margin = new Thickness(0, 20)
};
var features = new[]
{
("Buttons", "Various button styles and events"),
("Text Input", "Entry, Editor, SearchBar"),
("Selection", "CheckBox, Switch, Slider"),
("Pickers", "Picker, DatePicker, TimePicker"),
("Lists", "CollectionView with selection"),
("Progress", "ProgressBar, ActivityIndicator")
};
for (int i = 0; i < features.Length; i++)
{
var (title, desc) = features[i];
var card = CreateFeatureCard(title, desc);
Grid.SetRow(card, i / 2);
Grid.SetColumn(card, i % 2);
grid.Children.Add(card);
}
return grid;
}
private Frame CreateFeatureCard(string title, string description)
{
return new Frame
{
CornerRadius = 8,
Padding = new Thickness(15),
BackgroundColor = Colors.White,
HasShadow = true,
Content = new VerticalStackLayout
{
Spacing = 5,
Children =
{
new Label
{
Text = title,
FontSize = 14,
FontAttributes = FontAttributes.Bold,
TextColor = Color.FromArgb("#2196F3")
},
new Label
{
Text = description,
FontSize = 11,
TextColor = Colors.Gray,
LineBreakMode = LineBreakMode.WordWrap
}
}
}
};
}
private View CreateQuickLinksSection()
{
var layout = new VerticalStackLayout
{
Spacing = 10,
Margin = new Thickness(0, 20, 0, 0)
};
layout.Children.Add(new Label
{
Text = "Quick Actions",
FontSize = 16,
FontAttributes = FontAttributes.Bold,
HorizontalOptions = LayoutOptions.Center
});
var buttonRow = new HorizontalStackLayout
{
Spacing = 10,
HorizontalOptions = LayoutOptions.Center
};
var buttonsBtn = new Button
{
Text = "Try Buttons",
BackgroundColor = Color.FromArgb("#2196F3"),
TextColor = Colors.White
};
buttonsBtn.Clicked += (s, e) => LinuxViewRenderer.NavigateToRoute("Buttons");
var listsBtn = new Button
{
Text = "Try Lists",
BackgroundColor = Color.FromArgb("#4CAF50"),
TextColor = Colors.White
};
listsBtn.Clicked += (s, e) => LinuxViewRenderer.NavigateToRoute("Lists");
buttonRow.Children.Add(buttonsBtn);
buttonRow.Children.Add(listsBtn);
layout.Children.Add(buttonRow);
return layout;
}
private View CreateNavigationDemoSection()
{
var frame = new Frame
{
CornerRadius = 8,
Padding = new Thickness(20),
BackgroundColor = Color.FromArgb("#F3E5F5"),
Margin = new Thickness(0, 20, 0, 0),
Content = new VerticalStackLayout
{
Spacing = 15,
Children =
{
new Label
{
Text = "Navigation Stack Demo",
FontSize = 18,
FontAttributes = FontAttributes.Bold,
TextColor = Color.FromArgb("#9C27B0"),
HorizontalOptions = LayoutOptions.Center
},
new Label
{
Text = "Demonstrate push/pop navigation using Shell.GoToAsync()",
FontSize = 12,
TextColor = Colors.Gray,
HorizontalTextAlignment = TextAlignment.Center
},
CreatePushButton("Push Detail Page", "detail"),
new Label
{
Text = "Click the button to push a new page onto the navigation stack. " +
"Use the back button or 'Go Back' to pop it off.",
FontSize = 11,
TextColor = Colors.Gray,
HorizontalTextAlignment = TextAlignment.Center,
LineBreakMode = LineBreakMode.WordWrap
}
}
}
};
return frame;
}
private Button CreatePushButton(string text, string route)
{
var btn = new Button
{
Text = text,
BackgroundColor = Color.FromArgb("#9C27B0"),
TextColor = Colors.White,
HorizontalOptions = LayoutOptions.Center,
Padding = new Thickness(30, 10)
};
btn.Clicked += (s, e) =>
{
Console.WriteLine($"[HomePage] Push button clicked, navigating to {route}");
// Use LinuxViewRenderer.PushPage for Skia-based navigation
var success = LinuxViewRenderer.PushPage(new DetailPage());
Console.WriteLine($"[HomePage] PushPage result: {success}");
};
return btn;
}
}

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// ListsPage - CollectionView and ListView Demo
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
namespace ShellDemo;
public class ListsPage : ContentPage
{
private readonly Label _eventLog;
private int _eventCount = 0;
public ListsPage()
{
Title = "Lists";
_eventLog = new Label
{
Text = "Events will appear here...",
FontSize = 11,
TextColor = Colors.Gray,
LineBreakMode = LineBreakMode.WordWrap
};
Content = new Grid
{
RowDefinitions =
{
new RowDefinition { Height = new GridLength(1, GridUnitType.Star) },
new RowDefinition { Height = new GridLength(120) }
},
Children =
{
CreateMainContent(),
CreateEventLogPanel()
}
};
Grid.SetRow((View)((Grid)Content).Children[0], 0);
Grid.SetRow((View)((Grid)Content).Children[1], 1);
}
private View CreateMainContent()
{
return new ScrollView
{
Content = new VerticalStackLayout
{
Padding = new Thickness(20),
Spacing = 20,
Children =
{
new Label { Text = "List Controls", FontSize = 24, FontAttributes = FontAttributes.Bold },
CreateSection("CollectionView - Fruits", CreateFruitsCollectionView()),
CreateSection("CollectionView - Colors", CreateColorsCollectionView()),
CreateSection("CollectionView - Contacts", CreateContactsCollectionView())
}
}
};
}
private View CreateFruitsCollectionView()
{
var layout = new VerticalStackLayout { Spacing = 10 };
var fruits = new List<string>
{
"Apple", "Banana", "Cherry", "Date", "Elderberry",
"Fig", "Grape", "Honeydew", "Kiwi", "Lemon",
"Mango", "Nectarine", "Orange", "Papaya", "Quince"
};
var selectedLabel = new Label { Text = "Tap a fruit to select", TextColor = Colors.Gray };
var collectionView = new CollectionView
{
ItemsSource = fruits,
HeightRequest = 200,
SelectionMode = SelectionMode.Single,
BackgroundColor = Color.FromArgb("#FAFAFA")
};
collectionView.SelectionChanged += (s, e) =>
{
if (e.CurrentSelection.Count > 0)
{
var item = e.CurrentSelection[0]?.ToString();
selectedLabel.Text = $"Selected: {item}";
LogEvent($"Fruit selected: {item}");
}
};
layout.Children.Add(collectionView);
layout.Children.Add(selectedLabel);
return layout;
}
private View CreateColorsCollectionView()
{
var layout = new VerticalStackLayout { Spacing = 10 };
var colors = new List<ColorItem>
{
new("Red", "#F44336"),
new("Pink", "#E91E63"),
new("Purple", "#9C27B0"),
new("Deep Purple", "#673AB7"),
new("Indigo", "#3F51B5"),
new("Blue", "#2196F3"),
new("Cyan", "#00BCD4"),
new("Teal", "#009688"),
new("Green", "#4CAF50"),
new("Light Green", "#8BC34A"),
new("Lime", "#CDDC39"),
new("Yellow", "#FFEB3B"),
new("Amber", "#FFC107"),
new("Orange", "#FF9800"),
new("Deep Orange", "#FF5722")
};
var collectionView = new CollectionView
{
ItemsSource = colors,
HeightRequest = 180,
SelectionMode = SelectionMode.Single,
BackgroundColor = Colors.White
};
collectionView.SelectionChanged += (s, e) =>
{
if (e.CurrentSelection.Count > 0 && e.CurrentSelection[0] is ColorItem item)
{
LogEvent($"Color selected: {item.Name} ({item.Hex})");
}
};
layout.Children.Add(collectionView);
layout.Children.Add(new Label { Text = "Scroll to see all colors", FontSize = 11, TextColor = Colors.Gray });
return layout;
}
private View CreateContactsCollectionView()
{
var layout = new VerticalStackLayout { Spacing = 10 };
var contacts = new List<ContactItem>
{
new("Alice Johnson", "alice@example.com", "Engineering"),
new("Bob Smith", "bob@example.com", "Marketing"),
new("Carol Williams", "carol@example.com", "Design"),
new("David Brown", "david@example.com", "Sales"),
new("Eva Martinez", "eva@example.com", "Engineering"),
new("Frank Lee", "frank@example.com", "Support"),
new("Grace Kim", "grace@example.com", "HR"),
new("Henry Wilson", "henry@example.com", "Finance")
};
var collectionView = new CollectionView
{
ItemsSource = contacts,
HeightRequest = 200,
SelectionMode = SelectionMode.Single,
BackgroundColor = Colors.White
};
collectionView.SelectionChanged += (s, e) =>
{
if (e.CurrentSelection.Count > 0 && e.CurrentSelection[0] is ContactItem contact)
{
LogEvent($"Contact: {contact.Name} - {contact.Department}");
}
};
layout.Children.Add(collectionView);
// Action buttons
var buttonRow = new HorizontalStackLayout { Spacing = 10 };
var addBtn = new Button { Text = "Add Contact", BackgroundColor = Colors.Green, TextColor = Colors.White };
addBtn.Clicked += (s, e) => LogEvent("Add contact clicked");
var deleteBtn = new Button { Text = "Delete Selected", BackgroundColor = Colors.Red, TextColor = Colors.White };
deleteBtn.Clicked += (s, e) => LogEvent("Delete contact clicked");
buttonRow.Children.Add(addBtn);
buttonRow.Children.Add(deleteBtn);
layout.Children.Add(buttonRow);
return layout;
}
private Frame CreateSection(string title, View content)
{
return new Frame
{
CornerRadius = 8,
Padding = new Thickness(15),
BackgroundColor = Colors.White,
Content = new VerticalStackLayout
{
Spacing = 10,
Children =
{
new Label { Text = title, FontSize = 16, FontAttributes = FontAttributes.Bold },
content
}
}
};
}
private View CreateEventLogPanel()
{
return new Frame
{
BackgroundColor = Color.FromArgb("#F5F5F5"),
Padding = new Thickness(10),
CornerRadius = 0,
Content = new VerticalStackLayout
{
Children =
{
new Label { Text = "Event Log:", FontSize = 12, FontAttributes = FontAttributes.Bold },
new ScrollView
{
HeightRequest = 80,
Content = _eventLog
}
}
}
};
}
private void LogEvent(string message)
{
_eventCount++;
var timestamp = DateTime.Now.ToString("HH:mm:ss");
_eventLog.Text = $"[{timestamp}] {_eventCount}. {message}\n{_eventLog.Text}";
}
}
public record ColorItem(string Name, string Hex)
{
public override string ToString() => Name;
}
public record ContactItem(string Name, string Email, string Department)
{
public override string ToString() => $"{Name} ({Department})";
}

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// PickersPage - Picker, DatePicker, TimePicker Demo
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
namespace ShellDemo;
public class PickersPage : ContentPage
{
private readonly Label _eventLog;
private int _eventCount = 0;
public PickersPage()
{
Title = "Pickers";
_eventLog = new Label
{
Text = "Events will appear here...",
FontSize = 11,
TextColor = Colors.Gray,
LineBreakMode = LineBreakMode.WordWrap
};
Content = new Grid
{
RowDefinitions =
{
new RowDefinition { Height = new GridLength(1, GridUnitType.Star) },
new RowDefinition { Height = new GridLength(120) }
},
Children =
{
CreateMainContent(),
CreateEventLogPanel()
}
};
Grid.SetRow((View)((Grid)Content).Children[0], 0);
Grid.SetRow((View)((Grid)Content).Children[1], 1);
}
private View CreateMainContent()
{
return new ScrollView
{
Content = new VerticalStackLayout
{
Padding = new Thickness(20),
Spacing = 20,
Children =
{
new Label { Text = "Picker Controls", FontSize = 24, FontAttributes = FontAttributes.Bold },
CreateSection("Picker", CreatePickerDemo()),
CreateSection("DatePicker", CreateDatePickerDemo()),
CreateSection("TimePicker", CreateTimePickerDemo())
}
}
};
}
private View CreatePickerDemo()
{
var layout = new VerticalStackLayout { Spacing = 15 };
// Basic picker
var selectedLabel = new Label { Text = "Selected: (none)", TextColor = Colors.Gray };
var picker1 = new Picker { Title = "Select a fruit" };
picker1.Items.Add("Apple");
picker1.Items.Add("Banana");
picker1.Items.Add("Cherry");
picker1.Items.Add("Date");
picker1.Items.Add("Elderberry");
picker1.Items.Add("Fig");
picker1.Items.Add("Grape");
picker1.SelectedIndexChanged += (s, e) =>
{
if (picker1.SelectedIndex >= 0)
{
var item = picker1.Items[picker1.SelectedIndex];
selectedLabel.Text = $"Selected: {item}";
LogEvent($"Fruit selected: {item}");
}
};
layout.Children.Add(picker1);
layout.Children.Add(selectedLabel);
// Picker with default selection
layout.Children.Add(new Label { Text = "With Default Selection:", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var picker2 = new Picker { Title = "Select a color" };
picker2.Items.Add("Red");
picker2.Items.Add("Green");
picker2.Items.Add("Blue");
picker2.Items.Add("Yellow");
picker2.Items.Add("Purple");
picker2.SelectedIndex = 2; // Blue
picker2.SelectedIndexChanged += (s, e) =>
{
if (picker2.SelectedIndex >= 0)
LogEvent($"Color selected: {picker2.Items[picker2.SelectedIndex]}");
};
layout.Children.Add(picker2);
// Styled picker
layout.Children.Add(new Label { Text = "Styled Picker:", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var picker3 = new Picker
{
Title = "Select size",
TextColor = Colors.DarkBlue,
TitleColor = Colors.Gray
};
picker3.Items.Add("Small");
picker3.Items.Add("Medium");
picker3.Items.Add("Large");
picker3.Items.Add("Extra Large");
picker3.SelectedIndexChanged += (s, e) =>
{
if (picker3.SelectedIndex >= 0)
LogEvent($"Size selected: {picker3.Items[picker3.SelectedIndex]}");
};
layout.Children.Add(picker3);
return layout;
}
private View CreateDatePickerDemo()
{
var layout = new VerticalStackLayout { Spacing = 15 };
// Basic date picker
var dateLabel = new Label { Text = $"Selected: {DateTime.Today:d}" };
var datePicker1 = new DatePicker { Date = DateTime.Today };
datePicker1.DateSelected += (s, e) =>
{
dateLabel.Text = $"Selected: {e.NewDate:d}";
LogEvent($"Date selected: {e.NewDate:d}");
};
layout.Children.Add(datePicker1);
layout.Children.Add(dateLabel);
// Date picker with range
layout.Children.Add(new Label { Text = "With Date Range (this month only):", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var startOfMonth = new DateTime(DateTime.Today.Year, DateTime.Today.Month, 1);
var endOfMonth = startOfMonth.AddMonths(1).AddDays(-1);
var datePicker2 = new DatePicker
{
MinimumDate = startOfMonth,
MaximumDate = endOfMonth,
Date = DateTime.Today
};
datePicker2.DateSelected += (s, e) => LogEvent($"Date (limited): {e.NewDate:d}");
layout.Children.Add(datePicker2);
// Styled date picker
layout.Children.Add(new Label { Text = "Styled DatePicker:", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var datePicker3 = new DatePicker
{
Date = DateTime.Today.AddDays(7),
TextColor = Colors.DarkGreen
};
datePicker3.DateSelected += (s, e) => LogEvent($"Styled date: {e.NewDate:d}");
layout.Children.Add(datePicker3);
return layout;
}
private View CreateTimePickerDemo()
{
var layout = new VerticalStackLayout { Spacing = 15 };
// Basic time picker
var timeLabel = new Label { Text = $"Selected: {DateTime.Now:t}" };
var timePicker1 = new TimePicker { Time = DateTime.Now.TimeOfDay };
timePicker1.PropertyChanged += (s, e) =>
{
if (e.PropertyName == nameof(TimePicker.Time))
{
var time = timePicker1.Time;
timeLabel.Text = $"Selected: {time:hh\\:mm}";
LogEvent($"Time selected: {time:hh\\:mm}");
}
};
layout.Children.Add(timePicker1);
layout.Children.Add(timeLabel);
// Styled time picker
layout.Children.Add(new Label { Text = "Styled TimePicker:", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var timePicker2 = new TimePicker
{
Time = new TimeSpan(14, 30, 0),
TextColor = Colors.DarkBlue
};
timePicker2.PropertyChanged += (s, e) =>
{
if (e.PropertyName == nameof(TimePicker.Time))
LogEvent($"Styled time: {timePicker2.Time:hh\\:mm}");
};
layout.Children.Add(timePicker2);
// Morning alarm example
layout.Children.Add(new Label { Text = "Alarm Time:", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var alarmRow = new HorizontalStackLayout { Spacing = 10 };
var alarmPicker = new TimePicker { Time = new TimeSpan(7, 0, 0) };
var alarmBtn = new Button { Text = "Set Alarm", BackgroundColor = Colors.Orange, TextColor = Colors.White };
alarmBtn.Clicked += (s, e) => LogEvent($"Alarm set for {alarmPicker.Time:hh\\:mm}");
alarmRow.Children.Add(alarmPicker);
alarmRow.Children.Add(alarmBtn);
layout.Children.Add(alarmRow);
return layout;
}
private Frame CreateSection(string title, View content)
{
return new Frame
{
CornerRadius = 8,
Padding = new Thickness(15),
BackgroundColor = Colors.White,
Content = new VerticalStackLayout
{
Spacing = 10,
Children =
{
new Label { Text = title, FontSize = 16, FontAttributes = FontAttributes.Bold },
content
}
}
};
}
private View CreateEventLogPanel()
{
return new Frame
{
BackgroundColor = Color.FromArgb("#F5F5F5"),
Padding = new Thickness(10),
CornerRadius = 0,
Content = new VerticalStackLayout
{
Children =
{
new Label { Text = "Event Log:", FontSize = 12, FontAttributes = FontAttributes.Bold },
new ScrollView
{
HeightRequest = 80,
Content = _eventLog
}
}
}
};
}
private void LogEvent(string message)
{
_eventCount++;
var timestamp = DateTime.Now.ToString("HH:mm:ss");
_eventLog.Text = $"[{timestamp}] {_eventCount}. {message}\n{_eventLog.Text}";
}
}

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// ProgressPage - ProgressBar and ActivityIndicator Demo
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
namespace ShellDemo;
public class ProgressPage : ContentPage
{
private readonly Label _eventLog;
private int _eventCount = 0;
private ProgressBar? _animatedProgress;
private bool _isAnimating = false;
public ProgressPage()
{
Title = "Progress";
_eventLog = new Label
{
Text = "Events will appear here...",
FontSize = 11,
TextColor = Colors.Gray,
LineBreakMode = LineBreakMode.WordWrap
};
Content = new Grid
{
RowDefinitions =
{
new RowDefinition { Height = new GridLength(1, GridUnitType.Star) },
new RowDefinition { Height = new GridLength(120) }
},
Children =
{
CreateMainContent(),
CreateEventLogPanel()
}
};
Grid.SetRow((View)((Grid)Content).Children[0], 0);
Grid.SetRow((View)((Grid)Content).Children[1], 1);
}
private View CreateMainContent()
{
return new ScrollView
{
Content = new VerticalStackLayout
{
Padding = new Thickness(20),
Spacing = 20,
Children =
{
new Label { Text = "Progress Indicators", FontSize = 24, FontAttributes = FontAttributes.Bold },
CreateSection("ProgressBar", CreateProgressBarDemo()),
CreateSection("ActivityIndicator", CreateActivityIndicatorDemo()),
CreateSection("Interactive Demo", CreateInteractiveDemo())
}
}
};
}
private View CreateProgressBarDemo()
{
var layout = new VerticalStackLayout { Spacing = 15 };
// Various progress values
var values = new[] { 0.0, 0.25, 0.5, 0.75, 1.0 };
foreach (var value in values)
{
var row = new HorizontalStackLayout { Spacing = 10 };
var progress = new ProgressBar { Progress = value, WidthRequest = 200 };
var label = new Label { Text = $"{value * 100:0}%", VerticalOptions = LayoutOptions.Center, WidthRequest = 50 };
row.Children.Add(progress);
row.Children.Add(label);
layout.Children.Add(row);
}
// Colored progress bars
layout.Children.Add(new Label { Text = "Colored Progress Bars:", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var colors = new[] { Colors.Red, Colors.Green, Colors.Blue, Colors.Orange, Colors.Purple };
foreach (var color in colors)
{
var progress = new ProgressBar { Progress = 0.7, ProgressColor = color };
layout.Children.Add(progress);
}
return layout;
}
private View CreateActivityIndicatorDemo()
{
var layout = new VerticalStackLayout { Spacing = 15 };
// Running indicator
var runningRow = new HorizontalStackLayout { Spacing = 15 };
var runningIndicator = new ActivityIndicator { IsRunning = true };
runningRow.Children.Add(runningIndicator);
runningRow.Children.Add(new Label { Text = "Loading...", VerticalOptions = LayoutOptions.Center });
layout.Children.Add(runningRow);
// Toggle indicator
var toggleRow = new HorizontalStackLayout { Spacing = 15 };
var toggleIndicator = new ActivityIndicator { IsRunning = false };
var toggleBtn = new Button { Text = "Start/Stop" };
toggleBtn.Clicked += (s, e) =>
{
toggleIndicator.IsRunning = !toggleIndicator.IsRunning;
LogEvent($"ActivityIndicator: {(toggleIndicator.IsRunning ? "Started" : "Stopped")}");
};
toggleRow.Children.Add(toggleIndicator);
toggleRow.Children.Add(toggleBtn);
layout.Children.Add(toggleRow);
// Colored indicators
layout.Children.Add(new Label { Text = "Colored Indicators:", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var colorRow = new HorizontalStackLayout { Spacing = 20 };
var indicatorColors = new[] { Colors.Red, Colors.Green, Colors.Blue, Colors.Orange };
foreach (var color in indicatorColors)
{
var indicator = new ActivityIndicator { IsRunning = true, Color = color };
colorRow.Children.Add(indicator);
}
layout.Children.Add(colorRow);
return layout;
}
private View CreateInteractiveDemo()
{
var layout = new VerticalStackLayout { Spacing = 15 };
// Slider-controlled progress
var progressLabel = new Label { Text = "Progress: 50%" };
_animatedProgress = new ProgressBar { Progress = 0.5 };
var slider = new Slider { Minimum = 0, Maximum = 100, Value = 50 };
slider.ValueChanged += (s, e) =>
{
var value = e.NewValue / 100.0;
_animatedProgress.Progress = value;
progressLabel.Text = $"Progress: {e.NewValue:0}%";
};
layout.Children.Add(_animatedProgress);
layout.Children.Add(slider);
layout.Children.Add(progressLabel);
// Animated progress buttons
var buttonRow = new HorizontalStackLayout { Spacing = 10, Margin = new Thickness(0, 10, 0, 0) };
var resetBtn = new Button { Text = "Reset", BackgroundColor = Colors.Gray, TextColor = Colors.White };
resetBtn.Clicked += async (s, e) =>
{
_animatedProgress.Progress = 0;
slider.Value = 0;
LogEvent("Progress reset to 0%");
};
var animateBtn = new Button { Text = "Animate to 100%", BackgroundColor = Colors.Blue, TextColor = Colors.White };
animateBtn.Clicked += async (s, e) =>
{
if (_isAnimating) return;
_isAnimating = true;
LogEvent("Animation started");
for (int i = (int)(slider.Value); i <= 100; i += 5)
{
_animatedProgress.Progress = i / 100.0;
slider.Value = i;
await Task.Delay(100);
}
_isAnimating = false;
LogEvent("Animation completed");
};
var simulateBtn = new Button { Text = "Simulate Download", BackgroundColor = Colors.Green, TextColor = Colors.White };
simulateBtn.Clicked += async (s, e) =>
{
if (_isAnimating) return;
_isAnimating = true;
LogEvent("Download simulation started");
_animatedProgress.Progress = 0;
slider.Value = 0;
var random = new Random();
double progress = 0;
while (progress < 1.0)
{
progress += random.NextDouble() * 0.1;
if (progress > 1.0) progress = 1.0;
_animatedProgress.Progress = progress;
slider.Value = progress * 100;
await Task.Delay(200 + random.Next(300));
}
_isAnimating = false;
LogEvent("Download simulation completed");
};
buttonRow.Children.Add(resetBtn);
buttonRow.Children.Add(animateBtn);
buttonRow.Children.Add(simulateBtn);
layout.Children.Add(buttonRow);
return layout;
}
private Frame CreateSection(string title, View content)
{
return new Frame
{
CornerRadius = 8,
Padding = new Thickness(15),
BackgroundColor = Colors.White,
Content = new VerticalStackLayout
{
Spacing = 10,
Children =
{
new Label { Text = title, FontSize = 16, FontAttributes = FontAttributes.Bold },
content
}
}
};
}
private View CreateEventLogPanel()
{
return new Frame
{
BackgroundColor = Color.FromArgb("#F5F5F5"),
Padding = new Thickness(10),
CornerRadius = 0,
Content = new VerticalStackLayout
{
Children =
{
new Label { Text = "Event Log:", FontSize = 12, FontAttributes = FontAttributes.Bold },
new ScrollView
{
HeightRequest = 80,
Content = _eventLog
}
}
}
};
}
private void LogEvent(string message)
{
_eventCount++;
var timestamp = DateTime.Now.ToString("HH:mm:ss");
_eventLog.Text = $"[{timestamp}] {_eventCount}. {message}\n{_eventLog.Text}";
}
}

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// SelectionPage - CheckBox, Switch, Slider Demo
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
namespace ShellDemo;
public class SelectionPage : ContentPage
{
private readonly Label _eventLog;
private int _eventCount = 0;
public SelectionPage()
{
Title = "Selection Controls";
_eventLog = new Label
{
Text = "Events will appear here...",
FontSize = 11,
TextColor = Colors.Gray,
LineBreakMode = LineBreakMode.WordWrap
};
Content = new Grid
{
RowDefinitions =
{
new RowDefinition { Height = new GridLength(1, GridUnitType.Star) },
new RowDefinition { Height = new GridLength(120) }
},
Children =
{
CreateMainContent(),
CreateEventLogPanel()
}
};
Grid.SetRow((View)((Grid)Content).Children[0], 0);
Grid.SetRow((View)((Grid)Content).Children[1], 1);
}
private View CreateMainContent()
{
return new ScrollView
{
Content = new VerticalStackLayout
{
Padding = new Thickness(20),
Spacing = 20,
Children =
{
new Label { Text = "Selection Controls", FontSize = 24, FontAttributes = FontAttributes.Bold },
CreateSection("CheckBox", CreateCheckBoxDemo()),
CreateSection("Switch", CreateSwitchDemo()),
CreateSection("Slider", CreateSliderDemo())
}
}
};
}
private View CreateCheckBoxDemo()
{
var layout = new VerticalStackLayout { Spacing = 15 };
// Basic checkboxes
var basicRow = new HorizontalStackLayout { Spacing = 20 };
var cb1 = new CheckBox { IsChecked = false };
cb1.CheckedChanged += (s, e) => LogEvent($"Checkbox 1: {(e.Value ? "Checked" : "Unchecked")}");
basicRow.Children.Add(cb1);
basicRow.Children.Add(new Label { Text = "Option 1", VerticalOptions = LayoutOptions.Center });
var cb2 = new CheckBox { IsChecked = true };
cb2.CheckedChanged += (s, e) => LogEvent($"Checkbox 2: {(e.Value ? "Checked" : "Unchecked")}");
basicRow.Children.Add(cb2);
basicRow.Children.Add(new Label { Text = "Option 2 (default checked)", VerticalOptions = LayoutOptions.Center });
layout.Children.Add(basicRow);
// Colored checkboxes
var colorRow = new HorizontalStackLayout { Spacing = 20 };
var colors = new[] { Colors.Red, Colors.Green, Colors.Blue, Colors.Purple };
foreach (var color in colors)
{
var cb = new CheckBox { Color = color, IsChecked = true };
cb.CheckedChanged += (s, e) => LogEvent($"{color} checkbox: {(e.Value ? "Checked" : "Unchecked")}");
colorRow.Children.Add(cb);
}
layout.Children.Add(new Label { Text = "Colored Checkboxes:", FontSize = 12 });
layout.Children.Add(colorRow);
// Disabled checkbox
var disabledRow = new HorizontalStackLayout { Spacing = 10 };
var disabledCb = new CheckBox { IsChecked = true, IsEnabled = false };
disabledRow.Children.Add(disabledCb);
disabledRow.Children.Add(new Label { Text = "Disabled (checked)", VerticalOptions = LayoutOptions.Center, TextColor = Colors.Gray });
layout.Children.Add(disabledRow);
return layout;
}
private View CreateSwitchDemo()
{
var layout = new VerticalStackLayout { Spacing = 15 };
// Basic switch
var basicRow = new HorizontalStackLayout { Spacing = 15 };
var statusLabel = new Label { Text = "Off", VerticalOptions = LayoutOptions.Center, WidthRequest = 50 };
var sw1 = new Switch { IsToggled = false };
sw1.Toggled += (s, e) =>
{
statusLabel.Text = e.Value ? "On" : "Off";
LogEvent($"Switch toggled: {(e.Value ? "ON" : "OFF")}");
};
basicRow.Children.Add(sw1);
basicRow.Children.Add(statusLabel);
layout.Children.Add(basicRow);
// Colored switches
var colorRow = new HorizontalStackLayout { Spacing = 20 };
var switchColors = new[] { Colors.Green, Colors.Orange, Colors.Purple };
foreach (var color in switchColors)
{
var sw = new Switch { IsToggled = true, OnColor = color };
sw.Toggled += (s, e) => LogEvent($"{color} switch: {(e.Value ? "ON" : "OFF")}");
colorRow.Children.Add(sw);
}
layout.Children.Add(new Label { Text = "Colored Switches:", FontSize = 12 });
layout.Children.Add(colorRow);
// Disabled switch
var disabledRow = new HorizontalStackLayout { Spacing = 10 };
var disabledSw = new Switch { IsToggled = true, IsEnabled = false };
disabledRow.Children.Add(disabledSw);
disabledRow.Children.Add(new Label { Text = "Disabled (on)", VerticalOptions = LayoutOptions.Center, TextColor = Colors.Gray });
layout.Children.Add(disabledRow);
return layout;
}
private View CreateSliderDemo()
{
var layout = new VerticalStackLayout { Spacing = 15 };
// Basic slider
var valueLabel = new Label { Text = "Value: 50" };
var slider1 = new Slider { Minimum = 0, Maximum = 100, Value = 50 };
slider1.ValueChanged += (s, e) =>
{
valueLabel.Text = $"Value: {(int)e.NewValue}";
LogEvent($"Slider value: {(int)e.NewValue}");
};
layout.Children.Add(slider1);
layout.Children.Add(valueLabel);
// Slider with custom range
layout.Children.Add(new Label { Text = "Temperature (0-40°C):", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var tempLabel = new Label { Text = "20°C" };
var tempSlider = new Slider { Minimum = 0, Maximum = 40, Value = 20 };
tempSlider.ValueChanged += (s, e) =>
{
tempLabel.Text = $"{(int)e.NewValue}°C";
LogEvent($"Temperature: {(int)e.NewValue}°C");
};
layout.Children.Add(tempSlider);
layout.Children.Add(tempLabel);
// Colored slider
layout.Children.Add(new Label { Text = "Colored Slider:", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var colorSlider = new Slider
{
Minimum = 0,
Maximum = 100,
Value = 75,
MinimumTrackColor = Colors.Green,
MaximumTrackColor = Colors.LightGray,
ThumbColor = Colors.DarkGreen
};
colorSlider.ValueChanged += (s, e) => LogEvent($"Colored slider: {(int)e.NewValue}");
layout.Children.Add(colorSlider);
// Disabled slider
layout.Children.Add(new Label { Text = "Disabled Slider:", FontSize = 12, Margin = new Thickness(0, 10, 0, 0) });
var disabledSlider = new Slider { Minimum = 0, Maximum = 100, Value = 30, IsEnabled = false };
layout.Children.Add(disabledSlider);
return layout;
}
private Frame CreateSection(string title, View content)
{
return new Frame
{
CornerRadius = 8,
Padding = new Thickness(15),
BackgroundColor = Colors.White,
Content = new VerticalStackLayout
{
Spacing = 10,
Children =
{
new Label { Text = title, FontSize = 16, FontAttributes = FontAttributes.Bold },
content
}
}
};
}
private View CreateEventLogPanel()
{
return new Frame
{
BackgroundColor = Color.FromArgb("#F5F5F5"),
Padding = new Thickness(10),
CornerRadius = 0,
Content = new VerticalStackLayout
{
Children =
{
new Label { Text = "Event Log:", FontSize = 12, FontAttributes = FontAttributes.Bold },
new ScrollView
{
HeightRequest = 80,
Content = _eventLog
}
}
}
};
}
private void LogEvent(string message)
{
_eventCount++;
var timestamp = DateTime.Now.ToString("HH:mm:ss");
_eventLog.Text = $"[{timestamp}] {_eventCount}. {message}\n{_eventLog.Text}";
}
}

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// TextInputPage - Demonstrates text input controls
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
namespace ShellDemo;
public class TextInputPage : ContentPage
{
private Label _entryOutput;
private Label _searchOutput;
private Label _editorOutput;
public TextInputPage()
{
Title = "Text Input";
_entryOutput = new Label { TextColor = Colors.Gray, FontSize = 12 };
_searchOutput = new Label { TextColor = Colors.Gray, FontSize = 12 };
_editorOutput = new Label { TextColor = Colors.Gray, FontSize = 12 };
Content = new ScrollView
{
Content = new VerticalStackLayout
{
Padding = new Thickness(20),
Spacing = 15,
Children =
{
new Label
{
Text = "Text Input Controls",
FontSize = 24,
FontAttributes = FontAttributes.Bold
},
new Label
{
Text = "Click on any field and start typing. All keyboard input is handled by the framework.",
FontSize = 14,
TextColor = Colors.Gray
},
// Entry Section
new BoxView { HeightRequest = 1, Color = Colors.LightGray },
new Label { Text = "Entry (Single Line)", FontSize = 18, FontAttributes = FontAttributes.Bold },
CreateEntry("Enter your name...", e => _entryOutput.Text = $"You typed: {e.Text}"),
_entryOutput,
CreateEntry("Enter your email...", null, Keyboard.Email),
new Label { Text = "Email keyboard type", FontSize = 12, TextColor = Colors.Gray },
CreatePasswordEntry("Enter password..."),
new Label { Text = "Password field (text hidden)", FontSize = 12, TextColor = Colors.Gray },
// SearchBar Section
new BoxView { HeightRequest = 1, Color = Colors.LightGray },
new Label { Text = "SearchBar", FontSize = 18, FontAttributes = FontAttributes.Bold },
CreateSearchBar(),
_searchOutput,
// Editor Section
new BoxView { HeightRequest = 1, Color = Colors.LightGray },
new Label { Text = "Editor (Multi-line)", FontSize = 18, FontAttributes = FontAttributes.Bold },
CreateEditor(),
_editorOutput,
// Instructions
new BoxView { HeightRequest = 1, Color = Colors.LightGray },
new Frame
{
BackgroundColor = Color.FromArgb("#E3F2FD"),
CornerRadius = 8,
Padding = new Thickness(15),
Content = new VerticalStackLayout
{
Spacing = 5,
Children =
{
new Label
{
Text = "Keyboard Shortcuts",
FontAttributes = FontAttributes.Bold
},
new Label { Text = "Ctrl+A: Select all" },
new Label { Text = "Ctrl+C: Copy" },
new Label { Text = "Ctrl+V: Paste" },
new Label { Text = "Ctrl+X: Cut" },
new Label { Text = "Home/End: Move to start/end" },
new Label { Text = "Shift+Arrow: Select text" }
}
}
}
}
}
};
}
private Entry CreateEntry(string placeholder, Action<Entry>? onTextChanged, Keyboard? keyboard = null)
{
var entry = new Entry
{
Placeholder = placeholder,
FontSize = 14
};
if (keyboard != null)
{
entry.Keyboard = keyboard;
}
if (onTextChanged != null)
{
entry.TextChanged += (s, e) => onTextChanged(entry);
}
return entry;
}
private Entry CreatePasswordEntry(string placeholder)
{
return new Entry
{
Placeholder = placeholder,
FontSize = 14,
IsPassword = true
};
}
private SearchBar CreateSearchBar()
{
var searchBar = new SearchBar
{
Placeholder = "Search for items..."
};
searchBar.TextChanged += (s, e) =>
{
_searchOutput.Text = $"Searching: {e.NewTextValue}";
};
searchBar.SearchButtonPressed += (s, e) =>
{
_searchOutput.Text = $"Search submitted: {searchBar.Text}";
};
return searchBar;
}
private Editor CreateEditor()
{
var editor = new Editor
{
Placeholder = "Enter multiple lines of text here...\nPress Enter to create new lines.",
HeightRequest = 120,
FontSize = 14
};
editor.TextChanged += (s, e) =>
{
var lineCount = string.IsNullOrEmpty(e.NewTextValue) ? 0 : e.NewTextValue.Split('\n').Length;
_editorOutput.Text = $"Lines: {lineCount}, Characters: {e.NewTextValue?.Length ?? 0}";
};
return editor;
}
}

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// Platforms/Linux/Program.cs - Linux platform entry point
// Same pattern as Android's MainActivity or iOS's AppDelegate
using Microsoft.Maui.Platform.Linux;
using Microsoft.Maui.Platform.Linux.Hosting;
namespace ShellDemo;
class Program
{
static void Main(string[] args)
{
// Create the shared MAUI app
var app = MauiProgram.CreateMauiApp();
// Run on Linux platform
LinuxApplication.Run(app, args);
}
}

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# ShellDemo Sample
A comprehensive control showcase application demonstrating all OpenMaui Linux controls with Shell navigation and flyout menu.
## Features
- **Shell Navigation** - Flyout menu with multiple pages
- **Route-Based Navigation** - Push navigation with registered routes
- **All Core Controls** - Button, Entry, Editor, CheckBox, Switch, Slider, Picker, etc.
- **CollectionView** - Lists with selection and data binding
- **Progress Indicators** - ProgressBar and ActivityIndicator with animations
- **Grid Layouts** - Complex multi-column/row layouts
- **Event Logging** - Real-time event feedback panel
## Pages
| Page | Controls Demonstrated |
|------|----------------------|
| **Home** | Welcome screen, navigation overview |
| **Buttons** | Button styles, colors, states, click/press/release events |
| **Text Input** | Entry, Editor, SearchBar, password fields, keyboard types |
| **Selection** | CheckBox, Switch, Slider with colors and states |
| **Pickers** | Picker, DatePicker, TimePicker with styling |
| **Lists** | CollectionView with selection, custom items |
| **Progress** | ProgressBar, ActivityIndicator, animated demos |
| **Grids** | Grid layouts with row/column definitions |
| **About** | App information |
## Architecture
```
ShellDemo/
├── App.cs # AppShell definition with flyout
├── Program.cs # Linux platform bootstrap
├── MauiProgram.cs # MAUI app builder
└── Pages/
├── HomePage.cs # Welcome page
├── ButtonsPage.cs # Button demonstrations
├── TextInputPage.cs # Entry, Editor, SearchBar
├── SelectionPage.cs # CheckBox, Switch, Slider
├── PickersPage.cs # Picker, DatePicker, TimePicker
├── ListsPage.cs # CollectionView demos
├── ProgressPage.cs # ProgressBar, ActivityIndicator
├── GridsPage.cs # Grid layout demos
├── DetailPage.cs # Push navigation target
└── AboutPage.cs # About information
```
## Shell Configuration
```csharp
public class AppShell : Shell
{
public AppShell()
{
FlyoutBehavior = FlyoutBehavior.Flyout;
Title = "OpenMaui Controls Demo";
// Register routes for push navigation
Routing.RegisterRoute("detail", typeof(DetailPage));
// Add flyout items
Items.Add(CreateFlyoutItem("Home", typeof(HomePage)));
Items.Add(CreateFlyoutItem("Buttons", typeof(ButtonsPage)));
// ...more items
}
}
```
## Control Demonstrations
### Buttons Page
- Default, styled, and transparent buttons
- Color variations (Primary, Success, Warning, Danger)
- Enabled/disabled state toggling
- Wide, tall, and round button shapes
- Pressed, clicked, released event handling
### Text Input Page
- Entry with placeholder and text change events
- Password entry with hidden text
- Email keyboard type
- SearchBar with search button
- Multi-line Editor
- Keyboard shortcuts guide
### Selection Page
- CheckBox with colors and disabled state
- Switch with OnColor customization
- Slider with min/max range and track colors
### Pickers Page
- Picker with items and selection events
- DatePicker with date range limits
- TimePicker with time selection
- Styled pickers with custom colors
### Lists Page
- CollectionView with string items
- CollectionView with custom data types (ColorItem, ContactItem)
- Selection handling and event feedback
### Progress Page
- ProgressBar at various percentages
- Colored progress bars
- ActivityIndicator running/stopped states
- Colored activity indicators
- Interactive slider-controlled progress
- Animated progress simulation
## Building and Running
```bash
# From the maui-linux-push directory
cd samples/ShellDemo
dotnet publish -c Release -r linux-arm64
# Run on Linux
./bin/Release/net9.0/linux-arm64/publish/ShellDemo
```
## Event Logging
Each page features an event log panel that displays control interactions in real-time:
```
[14:32:15] 3. Button clicked: Primary
[14:32:12] 2. Slider value: 75
[14:32:08] 1. CheckBox: Checked
```
## Controls Reference
| Control | Properties Demonstrated |
|---------|------------------------|
| Button | Text, BackgroundColor, TextColor, CornerRadius, IsEnabled, WidthRequest, HeightRequest |
| Entry | Placeholder, Text, IsPassword, Keyboard, FontSize |
| Editor | Placeholder, Text, HeightRequest |
| SearchBar | Placeholder, Text, SearchButtonPressed |
| CheckBox | IsChecked, Color, IsEnabled |
| Switch | IsToggled, OnColor, IsEnabled |
| Slider | Minimum, Maximum, Value, MinimumTrackColor, MaximumTrackColor, ThumbColor |
| Picker | Title, Items, SelectedIndex, TextColor, TitleColor |
| DatePicker | Date, MinimumDate, MaximumDate, TextColor |
| TimePicker | Time, TextColor |
| CollectionView | ItemsSource, SelectionMode, SelectionChanged, HeightRequest |
| ProgressBar | Progress, ProgressColor |
| ActivityIndicator | IsRunning, Color |
| Label | Text, FontSize, FontAttributes, TextColor |
| Frame | CornerRadius, Padding, BackgroundColor |
| Grid | RowDefinitions, ColumnDefinitions, RowSpacing, ColumnSpacing |
| StackLayout | Spacing, Padding, Orientation |
| ScrollView | Content scrolling |
## License
MIT License - See repository root for details.

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
</PropertyGroup>
<ItemGroup>
<ProjectReference Include="../../OpenMaui.Controls.Linux.csproj" />
</ItemGroup>
</Project>