https://github.com/AndreiMisiukevich/HotReload/issues/132

Author: AndreiMisiukevich

Reloader/Xamarin.Forms.HotReload.Reloader/HotReloader.cs

@@ -678,7 +678,7 @@ private void ReloadElement(object obj, ReloadItem reloadItem, Type csharpType =
                                     layout.Children.Remove(view);
                                     break;
                                 case ContentPage page:
-                                    page.Content = view;
+                                    page.Content = newView;
                                     break;
                             }
                             break;

Sample/Xamarin.Forms.HotReload.Sample/Pages/CodePage.cs

@@ -1,21 +1,21 @@
 using System;
 
 using Xamarin.Forms;
+using Xamarin.Forms.HotReload.Sample.Pages.Views;
 
 namespace Xamarin.Forms.HotReload.Sample.Pages
 {
     public class CodePage : ContentPage
     {
         public CodePage()
         {
+            BackgroundColor = Color.Red;
             Content = new StackLayout
             {
-                Children = {
-                    new Label {
-                        VerticalOptions = LayoutOptions.CenterAndExpand,
-                        HorizontalOptions = LayoutOptions.CenterAndExpand,
-                        Text = "Hello ContentPage!!!!"
-                    }
+                Children =
+                {
+                    new CustomContentView(),
+                    new Button { Text = "Click", BackgroundColor = Color.White }
                 }
             };
         }

Sample/Xamarin.Forms.HotReload.Sample/Pages/Views/CustomContentView.cs

@@ -0,0 +1,24 @@
+using System;
+
+using Xamarin.Forms;
+
+namespace Xamarin.Forms.HotReload.Sample.Pages.Views
+{
+    public class CustomContentView : ContentView
+    {
+        public CustomContentView()
+        {
+            Margin = new Thickness(50);
+            BackgroundColor = Color.Yellow; 
+            VerticalOptions = LayoutOptions.FillAndExpand;
+            HorizontalOptions = LayoutOptions.FillAndExpand;
+
+            Content = new Label
+            {
+                Text = "HI Xamarin!",
+                VerticalOptions = LayoutOptions.CenterAndExpand
+            };
+        }
+    }
+}
+