添加DRM启动方式，在VM虚拟机上测试了一下Ubuntu18.04 Server，可以启动

demo/Semi.Avalonia.Demo.Desktop/App.axaml.cs

@@ -1,7 +1,6 @@
 using Avalonia;
 using Avalonia.Controls.ApplicationLifetimes;
 using Avalonia.Markup.Xaml;
-using Avalonia.Styling;
 using Semi.Avalonia.Demo.Views;
 
 namespace Semi.Avalonia.Demo.Desktop;
@@ -16,9 +15,9 @@ public partial class App : Application
     public override void OnFrameworkInitializationCompleted()
     {
         if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
-        {
             desktop.MainWindow = new MainWindow();
-        }
+        else if (ApplicationLifetime is ISingleViewApplicationLifetime singleView)
+            singleView.MainView = new MainView();
         base.OnFrameworkInitializationCompleted();
     }
 }

demo/Semi.Avalonia.Demo.Desktop/Program.cs

@@ -1,7 +1,9 @@
-using System;
-using Avalonia;
+using Avalonia;
 using Avalonia.Dialogs;
 using Avalonia.Media;
+using System;
+using System.Linq;
+using System.Threading;
 
 namespace Semi.Avalonia.Demo.Desktop;
 
@@ -11,8 +13,10 @@ class Program
     // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
     // yet and stuff might break.
     [STAThread]
-    public static void Main(string[] args) => BuildAvaloniaApp()
-        .With(new FontManagerOptions
+    public static void Main(string[] args)
+    {
+        var builder = BuildAvaloniaApp();
+        builder.With(new FontManagerOptions
         {
             FontFallbacks = new[]
             {
@@ -21,8 +25,54 @@ class Program
                     FontFamily = new FontFamily("Microsoft YaHei")
                 }
             }
-        })
-        .StartWithClassicDesktopLifetime(args);
+        });
+
+        //DRM启动步骤(Ubuntu18.04Server版本 虚拟机测试OK)
+        //官方文档：https://docs.avaloniaui.net/docs/next/guides/platforms/rpi/running-on-raspbian-lite-via-drm
+
+        //1.Linux端运行命令
+        //sudo apt update
+        //sudo apt upgrade
+        //sudo reboot
+        //sudo apt - get install libgbm1 libgl1 - mesa - dri libegl1 - mesa libinput10
+
+        //2.安装测试工具测试(出现一个彩色立方体说明环境安装完成)
+        //sudo apt-get install kmscube
+        //sudo kmscube
+
+        //3.添加StartLinuxDrm代码
+
+        //4.发布程序，复制到Linux系统(安装.net，怎么运行这些省略)
+        //发布文件不要裁剪，如果裁剪会报错
+        //Unhandled exception. Avalonia.Markup.Xaml.XamlLoadException: No precompiled XAML found for avares
+        //://Semi.Avalonia/Themes/Light/Light.axaml (baseUri: avares://Semi.Avalonia/Themes/Index.axaml), m
+        //ake sure to specify x:Class and include your XAML file as AvaloniaResource
+
+        //5.运行
+
+        //运行报错点：
+        //Unhandled exception. System.TypeInitializationException: The type initializer for 'SkiaSharp.SKImageInfo' threw an exception.
+        //--->System.DllNotFoundException: Unable to load shared library 'libSkiaSharp' or one of its dependencies.In order to help diagnose loading problems, consider setting the LD_DEBUG environment variable: liblibSkiaSharp: cannot open shared object file: No such file or directory
+        //at SkiaSharp.SkiaApi.sk_colortype_get_default_8888()
+        //at SkiaSharp.SKImageInfo..cctor()
+
+        //解决方法：
+        //Linux命令行安装一下 apt-get install -y libfontconfig1
+        //网址：https://github.com/mono/SkiaSharp/issues/509
+
+        if (args.Contains("--drm"))
+        {
+            SilenceConsole();
+            builder.StartLinuxDrm(args: args, card: "/dev/dri/card0", scaling: 1);
+        }
+        else
+        {
+            builder.StartWithClassicDesktopLifetime(args);
+        }
+    }
+
+
+
 
     // Avalonia configuration, don't remove; also used by visual designer.
     public static AppBuilder BuildAvaloniaApp()
@@ -31,4 +81,15 @@ class Program
             .UsePlatformDetect()
             .With(new Win32PlatformOptions())
             .LogToTrace();
+
+    private static void SilenceConsole()
+    {
+        new Thread(() =>
+        {
+            Console.CursorVisible = false;
+            while (true)
+                Console.ReadKey(true);
+        })
+        { IsBackground = true }.Start();
+    }
 }

demo/Semi.Avalonia.Demo.Desktop/Semi.Avalonia.Demo.Desktop.csproj

@@ -23,6 +23,7 @@
         <PackageReference Include="Avalonia.Desktop" Version="$(AvaloniaVersion)" />
         <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
         <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="$(AvaloniaVersion)" />
+        <PackageReference Include="Avalonia.LinuxFramebuffer" Version="11.0.0" />
     </ItemGroup>
 
     <ItemGroup>