open-maui/OpenMaui Samples
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Update with recovered code from VM binaries (Jan 1)

Browse Source 
- ShellDemo: Updated all pages with recovered code, added AppShell.cs
- TodoApp: Updated core files, added converters
- XamlBrowser: Added recovered sample
This commit is contained in:
David H. Friedel Jr.
2026-01-01 06:25:58 -05:00
parent 518434bc4e
commit 0a8943687d
24 changed files with 23210 additions and 2538 deletions
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128
TodoApp/App.cs
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@@ -1,21 +1,123 @@
// TodoApp - Main Application with NavigationPage
using System.CodeDom.Compiler;
using Microsoft.Maui.ApplicationModel;
using Microsoft.Maui.Controls;
using Microsoft.Maui.Controls.Internals;
using Microsoft.Maui.Controls.Xaml;
using Microsoft.Maui.Graphics;
namespace TodoApp;
[XamlFilePath("App.xaml")]
public class App : Application
{
public static NavigationPage? NavigationPage { get; private set; }
public App()
{
//IL_0019: Unknown result type (might be due to invalid IL or missing references)
//IL_001e: Unknown result type (might be due to invalid IL or missing references)
//IL_002e: Unknown result type (might be due to invalid IL or missing references)
//IL_003e: Expected O, but got Unknown
InitializeComponent();
((Application)this).UserAppTheme = (AppTheme)1;
((Application)this).MainPage = (Page)new NavigationPage((Page)(object)new TodoListPage())
{
BarBackgroundColor = Color.FromArgb("#5C6BC0"),
BarTextColor = Colors.White
};
}
public App()
{
NavigationPage = new NavigationPage(new TodoListPage())
{
Title = "OpenMaui Todo App",
BarBackgroundColor = Color.FromArgb("#2196F3"),
BarTextColor = Colors.White
};
MainPage = NavigationPage;
}
[GeneratedCode("Microsoft.Maui.Controls.SourceGen", "1.0.0.0")]
private void InitializeComponent()
{
//IL_0015: Unknown result type (might be due to invalid IL or missing references)
//IL_001b: Expected O, but got Unknown
//IL_002f: Unknown result type (might be due to invalid IL or missing references)
//IL_0035: Expected O, but got Unknown
//IL_0049: Unknown result type (might be due to invalid IL or missing references)
//IL_004f: Expected O, but got Unknown
//IL_0063: Unknown result type (might be due to invalid IL or missing references)
//IL_0069: Expected O, but got Unknown
//IL_007d: Unknown result type (might be due to invalid IL or missing references)
//IL_0084: Expected O, but got Unknown
//IL_0098: Unknown result type (might be due to invalid IL or missing references)
//IL_009f: Expected O, but got Unknown
//IL_00b3: Unknown result type (might be due to invalid IL or missing references)
//IL_00ba: Expected O, but got Unknown
//IL_00ce: Unknown result type (might be due to invalid IL or missing references)
//IL_00d5: Expected O, but got Unknown
//IL_00e9: Unknown result type (might be due to invalid IL or missing references)
//IL_00f0: Expected O, but got Unknown
//IL_0104: Unknown result type (might be due to invalid IL or missing references)
//IL_010b: Expected O, but got Unknown
//IL_011f: Unknown result type (might be due to invalid IL or missing references)
//IL_0126: Expected O, but got Unknown
//IL_013a: Unknown result type (might be due to invalid IL or missing references)
//IL_0141: Expected O, but got Unknown
//IL_0155: Unknown result type (might be due to invalid IL or missing references)
//IL_015c: Expected O, but got Unknown
//IL_0170: Unknown result type (might be due to invalid IL or missing references)
//IL_0177: Expected O, but got Unknown
//IL_018b: Unknown result type (might be due to invalid IL or missing references)
//IL_0192: Expected O, but got Unknown
//IL_01a6: Unknown result type (might be due to invalid IL or missing references)
//IL_01ad: Expected O, but got Unknown
//IL_01c1: Unknown result type (might be due to invalid IL or missing references)
//IL_01c8: Expected O, but got Unknown
//IL_01dc: Unknown result type (might be due to invalid IL or missing references)
//IL_01e3: Expected O, but got Unknown
//IL_0206: Unknown result type (might be due to invalid IL or missing references)
//IL_020d: Expected O, but got Unknown
//IL_021a: Unknown result type (might be due to invalid IL or missing references)
Color val = new Color(0.36078432f, 0.41960785f, 64f / 85f, 1f);
Color val2 = new Color(19f / 85f, 0.28627452f, 57f / 85f, 1f);
Color val3 = new Color(0.14901961f, 0.6509804f, 0.6039216f, 1f);
Color val4 = new Color(0.9372549f, 0.3254902f, 16f / 51f, 1f);
Color val5 = new Color(49f / 51f, 0.96862745f, 50f / 51f, 1f);
Color val6 = new Color(1f, 1f, 1f, 1f);
Color val7 = new Color(11f / 85f, 11f / 85f, 11f / 85f, 1f);
Color val8 = new Color(39f / 85f, 39f / 85f, 39f / 85f, 1f);
Color val9 = new Color(0.8784314f, 0.8784314f, 0.8784314f, 1f);
Color val10 = new Color(6f / 85f, 6f / 85f, 6f / 85f, 1f);
Color val11 = new Color(0.11764706f, 0.11764706f, 0.11764706f, 1f);
Color val12 = new Color(1f, 1f, 1f, 1f);
Color val13 = new Color(0.6901961f, 0.6901961f, 0.6901961f, 1f);
Color val14 = new Color(22f / 85f, 22f / 85f, 22f / 85f, 1f);
Color val15 = new Color(1f, 1f, 1f, 1f);
Color val16 = new Color(0.1764706f, 0.1764706f, 0.1764706f, 1f);
Color val17 = new Color(0.8784314f, 0.8784314f, 0.8784314f, 1f);
Color val18 = new Color(22f / 85f, 22f / 85f, 22f / 85f, 1f);
string text = "\ue145";
string text2 = "\ue872";
string text3 = "\ue161";
string text4 = "\ue876";
string text5 = "\ue3c9";
ResourceDictionary val19 = new ResourceDictionary();
App app;
NameScope val20 = (NameScope)(((object)NameScope.GetNameScope((BindableObject)(object)(app = this))) ?? ((object)new NameScope()));
NameScope.SetNameScope((BindableObject)(object)app, (INameScope)(object)val20);
((Application)app).Resources = val19;
val19.Add("PrimaryColor", (object)val);
val19.Add("PrimaryDarkColor", (object)val2);
val19.Add("AccentColor", (object)val3);
val19.Add("DangerColor", (object)val4);
val19.Add("PageBackgroundLight", (object)val5);
val19.Add("CardBackgroundLight", (object)val6);
val19.Add("TextPrimaryLight", (object)val7);
val19.Add("TextSecondaryLight", (object)val8);
val19.Add("BorderLight", (object)val9);
val19.Add("PageBackgroundDark", (object)val10);
val19.Add("CardBackgroundDark", (object)val11);
val19.Add("TextPrimaryDark", (object)val12);
val19.Add("TextSecondaryDark", (object)val13);
val19.Add("BorderDark", (object)val14);
val19.Add("InputBackgroundLight", (object)val15);
val19.Add("InputBackgroundDark", (object)val16);
val19.Add("CheckboxUncheckedLight", (object)val17);
val19.Add("CheckboxUncheckedDark", (object)val18);
val19.Add("IconAdd", (object)text);
val19.Add("IconDelete", (object)text2);
val19.Add("IconSave", (object)text3);
val19.Add("IconCheck", (object)text4);
val19.Add("IconEdit", (object)text5);
((Application)app).Resources = val19;
}
}

72
TodoApp/CompletedToColorConverter.cs Normal file
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@@ -0,0 +1,72 @@
using System;
using System.Globalization;
using Microsoft.Maui.Controls;
using Microsoft.Maui.Graphics;
namespace TodoApp;
public class CompletedToColorConverter : IValueConverter
{
private static readonly Color AccentColor = Color.FromArgb("#26A69A");
private static readonly Color CompletedColor = Color.FromArgb("#9E9E9E");
private static readonly Color TextPrimaryLight = Color.FromArgb("#212121");
private static readonly Color TextSecondaryLight = Color.FromArgb("#757575");
private static readonly Color TextPrimaryDark = Color.FromArgb("#FFFFFF");
private static readonly Color TextSecondaryDark = Color.FromArgb("#B0B0B0");
public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
{
//IL_0032: Unknown result type (might be due to invalid IL or missing references)
//IL_0038: Invalid comparison between Unknown and I4
bool flag = default(bool);
int num;
if (value is bool)
{
flag = (bool)value;
num = 1;
}
else
{
num = 0;
}
bool flag2 = (byte)((uint)num & (flag ? 1u : 0u)) != 0;
string text = (parameter as string) ?? "";
Application current = Application.Current;
bool flag3 = current != null && (int)current.RequestedTheme == 2;
if (text == "indicator")
{
if (!flag2)
{
return AccentColor;
}
return CompletedColor;
}
if (flag2)
{
return CompletedColor;
}
if (text == "notes")
{
if (!flag3)
{
return TextSecondaryLight;
}
return TextSecondaryDark;
}
if (!flag3)
{
return TextPrimaryLight;
}
return TextPrimaryDark;
}
public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}

29
TodoApp/CompletedToOpacityConverter.cs Normal file
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@@ -0,0 +1,29 @@
using System;
using System.Globalization;
using Microsoft.Maui.Controls;
namespace TodoApp;
public class CompletedToOpacityConverter : IValueConverter
{
public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
{
bool flag = default(bool);
int num;
if (value is bool)
{
flag = (bool)value;
num = 1;
}
else
{
num = 0;
}
return (((uint)num & (flag ? 1u : 0u)) != 0) ? 0.7 : 1.0;
}
public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}

30
TodoApp/CompletedToTextDecorationsConverter.cs Normal file
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@@ -0,0 +1,30 @@
using System;
using System.Globalization;
using Microsoft.Maui;
using Microsoft.Maui.Controls;
namespace TodoApp;
public class CompletedToTextDecorationsConverter : IValueConverter
{
public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
{
bool flag = default(bool);
int num;
if (value is bool)
{
flag = (bool)value;
num = 1;
}
else
{
num = 0;
}
return (object)(TextDecorations)((((uint)num & (flag ? 1u : 0u)) != 0) ? 2 : 0);
}
public object? ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
{
throw new NotImplementedException();
}
}

22
TodoApp/MauiProgram.cs
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@@ -1,5 +1,4 @@
// MauiProgram.cs - MAUI app configuration
using Microsoft.Maui.Controls.Hosting;
using Microsoft.Maui.Hosting;
using Microsoft.Maui.Platform.Linux.Hosting;
@@ -7,16 +6,11 @@ namespace TodoApp;
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();
}
public static MauiApp CreateMauiApp()
{
MauiAppBuilder obj = MauiApp.CreateBuilder(true);
AppHostBuilderExtensions.UseMauiApp<App>(obj);
obj.UseLinux();
return obj.Build();
}
}

157
TodoApp/TodoItem.cs
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@@ -1,81 +1,108 @@
// TodoItem - Data model for a todo item
using System;
using System.ComponentModel;
namespace TodoApp;
public class TodoItem : INotifyPropertyChanged
{
private string _title = "";
private string _notes = "";
private bool _isCompleted;
private DateTime _dueDate;
private string _title = "";
public int Id { get; set; }
private string _notes = "";
/// <summary>
/// Index in the collection for alternating row colors.
/// </summary>
public int Index { get; set; }
private bool _isCompleted;
public string Title
{
get => _title;
set
{
if (_title != value)
{
_title = value;
OnPropertyChanged(nameof(Title));
}
}
}
private DateTime _dueDate;
public string Notes
{
get => _notes;
set
{
if (_notes != value)
{
_notes = value;
OnPropertyChanged(nameof(Notes));
}
}
}
private int _index;
public bool IsCompleted
{
get => _isCompleted;
set
{
if (_isCompleted != value)
{
_isCompleted = value;
OnPropertyChanged(nameof(IsCompleted));
}
}
}
public int Id { get; set; }
public DateTime DueDate
{
get => _dueDate;
set
{
if (_dueDate != value)
{
_dueDate = value;
OnPropertyChanged(nameof(DueDate));
}
}
}
public int Index
{
get
{
return _index;
}
set
{
if (_index != value)
{
_index = value;
OnPropertyChanged("Index");
}
}
}
public DateTime CreatedAt { get; set; } = DateTime.Now;
public string Title
{
get
{
return _title;
}
set
{
if (_title != value)
{
_title = value;
OnPropertyChanged("Title");
}
}
}
public event PropertyChangedEventHandler? PropertyChanged;
public string Notes
{
get
{
return _notes;
}
set
{
if (_notes != value)
{
_notes = value;
OnPropertyChanged("Notes");
}
}
}
protected void OnPropertyChanged(string propertyName)
{
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
public bool IsCompleted
{
get
{
return _isCompleted;
}
set
{
if (_isCompleted != value)
{
_isCompleted = value;
OnPropertyChanged("IsCompleted");
}
}
}
public DateTime DueDate
{
get
{
return _dueDate;
}
set
{
if (_dueDate != value)
{
_dueDate = value;
OnPropertyChanged("DueDate");
}
}
}
public DateTime CreatedAt { get; set; } = DateTime.Now;
public event PropertyChangedEventHandler? PropertyChanged;
protected void OnPropertyChanged(string propertyName)
{
this.PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
}
}

90
TodoApp/TodoService.cs
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@@ -1,61 +1,59 @@
// TodoService - Manages todo items
using System;
using System.Collections.ObjectModel;
using System.Linq;
namespace TodoApp;
public class TodoService
{
private static TodoService? _instance;
public static TodoService Instance => _instance ??= new TodoService();
private static TodoService? _instance;
private int _nextId = 1;
private int _nextId = 1;
public ObservableCollection<TodoItem> Todos { get; } = new();
public static TodoService Instance => _instance ?? (_instance = new TodoService());
private TodoService()
{
// Add sample todos with varying lengths to test MaxLines=2 with ellipsis
AddTodo("Learn OpenMaui Linux", "Explore the SkiaSharp-based rendering engine for .NET MAUI on Linux desktop. This is a very long description that should wrap to multiple lines and demonstrate the ellipsis truncation feature when MaxLines is set to 2.");
AddTodo("Build amazing apps", "Create cross-platform applications that run on Windows, macOS, iOS, Android, and Linux! With OpenMaui, you can write once and deploy everywhere.");
AddTodo("Share with the community", "Contribute to the open-source project and help others build great Linux apps. Join our growing community of developers who are passionate about bringing .NET MAUI to Linux.");
}
public ObservableCollection<TodoItem> Todos { get; } = new ObservableCollection<TodoItem>();
public TodoItem AddTodo(string title, string notes = "")
{
var todo = new TodoItem
{
Id = _nextId++,
Index = Todos.Count, // Set index for alternating row colors
Title = title,
Notes = notes,
DueDate = DateTime.Today.AddDays(7)
};
Todos.Add(todo);
return todo;
}
public int CompletedCount => Todos.Count((TodoItem t) => t.IsCompleted);
/// <summary>
/// Refreshes the Index property on all items for alternating row colors.
/// </summary>
public void RefreshIndexes()
{
for (int i = 0; i < Todos.Count; i++)
{
Todos[i].Index = i;
}
}
public int TotalCount => Todos.Count;
public TodoItem? GetTodo(int id)
{
return Todos.FirstOrDefault(t => t.Id == id);
}
private TodoService()
{
AddTodo("Learn OpenMaui Linux", "Explore the SkiaSharp-based rendering engine for .NET MAUI on Linux desktop. This is a very long description that should wrap to multiple lines and demonstrate the ellipsis truncation feature when MaxLines is set to 2.");
AddTodo("Build amazing apps", "Create cross-platform applications that run on Windows, macOS, iOS, Android, and Linux! With OpenMaui, you can write once and deploy everywhere.");
AddTodo("Share with the community", "Contribute to the open-source project and help others build great Linux apps. Join our growing community of developers who are passionate about bringing .NET MAUI to Linux.");
}
public void DeleteTodo(TodoItem todo)
{
Todos.Remove(todo);
}
public TodoItem AddTodo(string title, string notes = "")
{
TodoItem todoItem = new TodoItem
{
Id = _nextId++,
Index = Todos.Count,
Title = title,
Notes = notes,
DueDate = DateTime.Today.AddDays(7.0)
};
Todos.Add(todoItem);
return todoItem;
}
public int CompletedCount => Todos.Count(t => t.IsCompleted);
public int TotalCount => Todos.Count;
public void RefreshIndexes()
{
for (int i = 0; i < Todos.Count; i++)
{
Todos[i].Index = i;
}
}
public TodoItem? GetTodo(int id)
{
return Todos.FirstOrDefault((TodoItem t) => t.Id == id);
}
public void DeleteTodo(TodoItem todo)
{
Todos.Remove(todo);
}
}