Add xmlns, move files to Avalonia.ReactiveUI namespace

src/Avalonia.ReactiveUI/AppBuilderExtensions.cs

@@ -6,10 +6,15 @@ using Avalonia.Threading;
 using ReactiveUI;
 using Splat;
 
-namespace Avalonia
+namespace Avalonia.ReactiveUI
 {
     public static class AppBuilderExtensions
     {
+        /// <summary>
+        /// Initializes ReactiveUI framework to use with Avalonia. Registers Avalonia 
+        /// scheduler and Avalonia activation for view fetcher. Always remember to
+        /// call this method if you are using ReactiveUI in your application.
+        /// </summary>
         public static TAppBuilder UseReactiveUI<TAppBuilder>(this TAppBuilder builder)
             where TAppBuilder : AppBuilderBase<TAppBuilder>, new()
         {

src/Avalonia.ReactiveUI/Attributes.cs

@@ -0,0 +1,8 @@
+// Copyright (c) The Avalonia Project. All rights reserved.
+// Licensed under the MIT license. See licence.md file in the project root for full license information.
+
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using Avalonia.Metadata;
+
+[assembly: XmlnsDefinition("http://reactiveui.net", "Avalonia.ReactiveUI")]

src/Avalonia.ReactiveUI/AvaloniaActivationForViewFetcher.cs

@@ -9,15 +9,24 @@ using Avalonia.VisualTree;
 using Avalonia.Controls;
 using ReactiveUI;
 
-namespace Avalonia
+namespace Avalonia.ReactiveUI
 {
+    /// <summary>
+    /// Determines when Avalonia IVisuals get activated.
+    /// </summary>
     public class AvaloniaActivationForViewFetcher : IActivationForViewFetcher
     {
+        /// <summary>
+        /// Returns affinity for view.
+        /// </summary>
         public int GetAffinityForView(Type view)
         {
             return typeof(IVisual).GetTypeInfo().IsAssignableFrom(view.GetTypeInfo()) ? 10 : 0;
         }
 
+        /// <summary>
+        /// Returns activation observable for activatable Avalonia view.
+        /// </summary>
         public IObservable<bool> GetActivationForView(IActivatable view)
         {
             if (!(view is IVisual visual)) return Observable.Return(false);
@@ -25,6 +34,9 @@ namespace Avalonia
             return GetActivationForVisual(visual);
         }
 
+        /// <summary>
+        /// Listens to Opened and Closed events for Avalonia windows.
+        /// </summary>
         private IObservable<bool> GetActivationForWindowBase(WindowBase window) 
         {
             var windowLoaded = Observable
@@ -42,6 +54,10 @@ namespace Avalonia
                 .DistinctUntilChanged();
         }
 
+        /// <summary>
+        /// Listens to AttachedToVisualTree and DetachedFromVisualTree 
+        /// events for Avalonia IVisuals.
+        /// </summary>
         private IObservable<bool> GetActivationForVisual(IVisual visual) 
         {
             var visualLoaded = Observable

src/Avalonia.ReactiveUI/ReactiveUserControl.cs

@@ -6,7 +6,7 @@ using Avalonia.VisualTree;
 using Avalonia.Controls;
 using ReactiveUI;
 
-namespace Avalonia
+namespace Avalonia.ReactiveUI
 {
     /// <summary>
     /// A ReactiveUI UserControl that implements <see cref="IViewFor{TViewModel}"/> 

src/Avalonia.ReactiveUI/ReactiveWindow.cs

@@ -6,7 +6,7 @@ using Avalonia.VisualTree;
 using Avalonia.Controls;
 using ReactiveUI;
 
-namespace Avalonia 
+namespace Avalonia.ReactiveUI
 {
     /// <summary>
     /// A ReactiveUI Window that implements <see cref="IViewFor{TViewModel}"/>

src/Avalonia.ReactiveUI/RoutedViewHost.cs

@@ -1,13 +1,17 @@
+// Copyright (c) The Avalonia Project. All rights reserved.
+// Licensed under the MIT license. See licence.md file in the project root for full license information.
+
 using System;
 using System.Reactive.Disposables;
 using System.Reactive.Linq;
 using Avalonia.Animation;
 using Avalonia.Controls;
 using Avalonia.Styling;
+using Avalonia;
 using ReactiveUI;
 using Splat;
 
-namespace Avalonia
+namespace Avalonia.ReactiveUI
 {
     /// <summary>
     /// This control hosts the View associated with ReactiveUI RoutingState,
@@ -157,7 +161,7 @@ namespace Avalonia
                 return;
             }
     
-            var viewLocator = ViewLocator ?? ReactiveUI.ViewLocator.Current;
+            var viewLocator = ViewLocator ?? global::ReactiveUI.ViewLocator.Current;
             var view = viewLocator.ResolveView(viewModel);
             if (view == null) throw new Exception($"Couldn't find view for '{viewModel}'. Is it registered?");
     

tests/Avalonia.ReactiveUI.UnitTests/AvaloniaActivationForViewFetcherTest.cs

@@ -11,6 +11,7 @@ using DynamicData;
 using Xunit;
 using Splat;
 using Avalonia.Markup.Xaml;
+using Avalonia.ReactiveUI;
 
 namespace Avalonia 
 {

tests/Avalonia.ReactiveUI.UnitTests/RoutedViewHostTest.cs

@@ -14,6 +14,7 @@ using Avalonia.Markup.Xaml;
 using System.ComponentModel;
 using System.Threading.Tasks;
 using System.Reactive;
+using Avalonia.ReactiveUI;
 
 namespace Avalonia
 {