Added Emgu TF MAUI demo.

Emgu.TF.Example/Inception.Console.NetCore/Program.cs

@@ -11,6 +11,7 @@
 using Emgu.TF;
 using Emgu.TF.Models;
 using System.Threading.Tasks;
+using Emgu.Models;
 using Tensorflow;
 
 namespace Inception.Console.Netstandard
@@ -100,12 +101,12 @@ private static Session.Device[] GetSessionDevices(Session session)
             return session.ListDevices(null);
         }
 
-        private static void onDownloadProgressChanged(object sender, System.Net.DownloadProgressChangedEventArgs e)
+        private static void onDownloadProgressChanged(long? totalBytesToReceive, long bytesReceived, double? progressPercentage)
         {
-            if (e.TotalBytesToReceive <= 0)
-                System.Console.WriteLine(String.Format("{0} bytes downloaded", e.BytesReceived, e.ProgressPercentage));
+            if (totalBytesToReceive <= 0)
+                System.Console.WriteLine(String.Format("{0} bytes downloaded", bytesReceived, progressPercentage));
             else
-                System.Console.WriteLine(String.Format("{0} of {1} bytes downloaded ({2}%)", e.BytesReceived, e.TotalBytesToReceive, e.ProgressPercentage));
+                System.Console.WriteLine(String.Format("{0} of {1} bytes downloaded ({2}%)", bytesReceived, totalBytesToReceive, progressPercentage));
         }
 
 

Emgu.TF.Example/Maui.Lite/InceptionPage.cs

@@ -41,7 +41,7 @@ public InceptionPage()
         private void onDownloadProgressChanged(object sender, System.Net.DownloadProgressChangedEventArgs e)
         {
             if (e.TotalBytesToReceive <= 0)
-                SetMessage(String.Format("{0} bytes downloaded", e.BytesReceived, e.ProgressPercentage));
+                SetMessage(String.Format("{0} bytes downloaded", e.BytesReceived));
             else
                 SetMessage(String.Format("{0} of {1} bytes downloaded ({2}%)", e.BytesReceived, e.TotalBytesToReceive, e.ProgressPercentage));
         }

Emgu.TF.Example/Maui/AboutPage.cs

@@ -0,0 +1,118 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Tensorflow;
+//using Xamarin.Forms;
+
+
+namespace Emgu.TF.Maui.Demo
+{
+    public class AboutPage : ContentPage
+    {
+        /// <summary>
+        /// Create and run a simple graph that add two numbers and returns the default session devices used.
+        /// </summary>
+        /// <returns></returns>
+        private static Session.Device[] GetSessionDevices()
+        {
+            SessionOptions so = new SessionOptions();
+            if (TfInvoke.IsGoogleCudaEnabled)
+            {
+                Tensorflow.ConfigProto config = new Tensorflow.ConfigProto();
+                config.GpuOptions = new Tensorflow.GPUOptions();
+                config.GpuOptions.AllowGrowth = true;
+                so.SetConfig(config.ToProtobuf());
+            }
+            int a = 1;
+            int b = 1;
+            //Creating tensor from value a
+            Tensor tensorA = new Tensor(a);
+            //Creating tensor from value b
+            Tensor tensorB = new Tensor(b);
+            //Create a new graph
+            Graph graph = new Graph();
+            //Place holder in the graph for tensorA
+            Operation opA = graph.Placeholder(DataType.Int32, null, "valA");
+            //Place holder in the graph for tensorB
+            Operation opB = graph.Placeholder(DataType.Int32, null, "valB");
+            //Adding the two tensor
+            Operation sumOp = graph.Add(opA, opB, "sum");
+
+            //Create a new session
+            using (Session session = new Session(graph, so))
+            {
+                //Execute the session and get the sum
+                Tensor[] results = session.Run(new Output[] { opA, opB }, new Tensor[] { tensorA, tensorB },
+                    new Output[] { sumOp });
+
+                Session.Device[] devices = session.ListDevices(null);
+                return devices;
+            }
+        }
+
+        public AboutPage()
+        {
+            using (LogListenerSink logSink = new LogListenerSink(true))
+            {
+                Session.Device[] devices = GetSessionDevices();
+                StringBuilder sb = new StringBuilder();
+                foreach (Session.Device d in devices)
+                {
+                    sb.Append(String.Format("<H4 style=\"color: blue;\">{1}: {0}</H4>", d.Name, d.Type));
+                }
+
+                String tensorflowVer = TfInvoke.Version;
+
+                Title = "About Emgu TF";
+                Content = new WebView()
+                {
+                    WidthRequest = 400,
+                    HeightRequest = 1000,
+                    Source = new HtmlWebViewSource()
+                    {
+                        Html = String.Format(
+                            @"<html>
+                    <head>
+                    <style>body {{ background-color: #EEEEEE; }}</style>
+                    <style type=""text/css"">
+                    textarea {{ width: 100%; margin: 0; padding: 0; border - width: 0; }}
+                    </style>
+                    </head>
+                    <body>
+                    <H1> Emgu TF Demos </H1>
+                    <H3> Tensorflow version: {0} </H3>
+                    <H3> OS: {1} </H3>
+                    <H3> Framework: {2} </H3>
+                    <H3> Processor: {3} </H3>
+                    <H3> Default Session Devices: </H3> {4}
+                    <H3> Tensorflow  <a href=https://github.com/tensorflow/tensorflow/blob/master/LICENSE > License</a> </H3>
+                    <H3><a href=http://www.emgu.com/wiki/index.php/Emgu_TF >Visit our website</a> <br/><br/><H3>
+                    <H3><a href=mailto:support@emgu.com>Email Support</a> <br/><br/><H3>
+                    <H3> IsGoogleCudaEnabled: {5} </H3>
+                    <H3> IsBuiltWithROCm: {6} </H3>
+                    <H3> IsBuiltWithNvcc: {7} </H3>
+                    <H3> GpuSupportsHalfMatMulAndConv: {8} </H3>
+                    <H3> IsMklEnabled: {9} </H3>
+                    <H4> Log: </H4>
+                    <textarea rows=""30"">{10}</textarea>"
+                            + @"
+                    </body>
+                    </html>",
+                            tensorflowVer,
+                            System.Runtime.InteropServices.RuntimeInformation.OSDescription,
+                            System.Runtime.InteropServices.RuntimeInformation.FrameworkDescription,
+                            System.Runtime.InteropServices.RuntimeInformation.ProcessArchitecture,
+                            sb.ToString(),
+                            TfInvoke.IsGoogleCudaEnabled,
+                            TfInvoke.IsBuiltWithROCm,
+                            TfInvoke.IsBuiltWithNvcc,
+                            TfInvoke.GpuSupportsHalfMatMulAndConv,
+                            TfInvoke.IsMklEnabled,
+                            logSink.GetLog()
+                        )
+                    }
+                };
+            }
+        }
+    }
+}

Emgu.TF.Example/Maui/App.xaml

@@ -1,8 +1,8 @@
 <?xml version = "1.0" encoding = "UTF-8" ?>
 <Application xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-             xmlns:local="clr-namespace:Maui"
-             x:Class="Maui.App">
+             xmlns:local="clr-namespace:Emgu.TF.Maui.Demo"
+             x:Class="Emgu.TF.Maui.Demo.App">
     <Application.Resources>
         <ResourceDictionary>
             <ResourceDictionary.MergedDictionaries>

Emgu.TF.Example/Maui/App.xaml.cs

@@ -1,11 +1,14 @@
-namespace Maui
+namespace Emgu.TF.Maui.Demo
 {
     public partial class App : Application
     {
         public App()
         {
             InitializeComponent();
 
+            Emgu.CV.Platform.Maui.MauiInvoke.Init();
+            Emgu.TF.Platform.Maui.MauiInvoke.Init();
+
             MainPage = new AppShell();
         }
     }

Emgu.TF.Example/Maui/AppShell.xaml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <Shell
-    x:Class="Maui.AppShell"
+    x:Class="Emgu.TF.Maui.Demo.AppShell"
     xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
     xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-    xmlns:local="clr-namespace:Maui"
+    xmlns:local="clr-namespace:Emgu.TF.Maui.Demo"
     Shell.FlyoutBehavior="Disabled">
 
     <ShellContent

Emgu.TF.Example/Maui/AppShell.xaml.cs

@@ -1,4 +1,4 @@
-namespace Maui
+namespace Emgu.TF.Maui.Demo
 {
     public partial class AppShell : Shell
     {