[SL-9275] Replace MessagingCenter with Messenger (from Community Toolkit)

Float.Core/Analytics/AnalyticsService.cs

@@ -1,5 +1,7 @@
 using System;
 using System.Collections.Generic;
+using CommunityToolkit.Mvvm.Messaging;
+using Float.Core.Messages;
 #if NETSTANDARD
 using Xamarin.Forms;
 #else
@@ -23,7 +25,7 @@ public abstract class AnalyticsService
         /// </summary>
         protected AnalyticsService()
         {
-            MessagingCenter.Subscribe<UI.BaseContentPage, string>(this, AnalyticsMessageType.PageView, HandlePageView);
+            WeakReferenceMessenger.Default.Register<PageViewMessage>(this, HandlePageView);
         }
 
         /// <summary>
@@ -161,11 +163,11 @@ protected virtual bool ShouldTrackUsage()
         /// <summary>
         /// Handler for when a page view occurs.
         /// </summary>
-        /// <param name="page">The page that appeared.</param>
-        /// <param name="name">The page name.</param>
-        void HandlePageView(UI.BaseContentPage page, string name)
+        /// <param name="sender">The page that appeared.</param>
+        /// <param name="message">The page name.</param>
+        void HandlePageView(object sender, PageViewMessage message)
         {
-            TrackPageView(name, page);
+            TrackPageView(message.Value, message.Page);
         }
     }
 }

Float.Core/Float.Core.csproj

@@ -38,6 +38,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json" Version="[12.0.1,]" />
+    <PackageReference Include="CommunityToolkit.Mvvm" Version="[8.2.2,9)" />
   </ItemGroup>
   <ItemGroup Condition="$(TargetFramework.StartsWith('netstandard'))">  
     <PackageReference Include="Xamarin.Forms" Version="[5.0.0.1874,6)" />

Float.Core/Messages/PageViewMessage.cs

@@ -0,0 +1,33 @@
+using CommunityToolkit.Mvvm.Messaging.Messages;
+#if NETSTANDARD
+using Xamarin.Forms;
+#else
+using Microsoft.Maui.Controls;
+#endif
+
+namespace Float.Core.Messages
+{
+    /// <summary>
+    /// The page view message class definition.
+    /// </summary>
+    public class PageViewMessage : ValueChangedMessage<string>
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PageViewMessage"/> class.
+        /// </summary>
+        /// <param name="eventName">The event name.</param>
+        /// <param name="page">The page displayed.</param>
+        public PageViewMessage(string eventName, Page page) : base(eventName)
+        {
+            Page = page;
+        }
+
+        /// <summary>
+        /// Gets the page displayed.
+        /// </summary>
+        /// <value>
+        /// The page displayed.
+        /// </value>
+        public Page Page { get; }
+    }
+}

Float.Core/UI/BaseContentPage.cs

@@ -1,5 +1,7 @@
 using System;
+using CommunityToolkit.Mvvm.Messaging;
 using Float.Core.Extensions;
+using Float.Core.Messages;
 #if NETSTANDARD
 using Xamarin.Forms;
 #else
@@ -62,7 +64,7 @@ protected override void OnBindingContextChanged()
         /// <param name="name">The page name.</param>
         protected void TrackPageView(string name)
         {
-            MessagingCenter.Send(this, Analytics.AnalyticsMessageType.PageView, name);
+            WeakReferenceMessenger.Default.Send(new PageViewMessage(name, this));
         }
 
         /// <inheritdoc />