A Chat window

BookAStar/BookAStar/App.xaml.cs

@@ -103,6 +103,9 @@ namespace BookAStar
         private void Configure(IXFormsApp app)
         {
             ViewFactory.EnableCache = true;
+            ViewFactory.Register<ChatPage, ChatViewModel>(
+                r=> new ChatViewModel { UserName = MainSettings.UserName }
+                );
             ViewFactory.Register<DashboardPage, DashboardViewModel>(
                  resolver => new DashboardViewModel());
             ViewFactory.Register<BookQueryPage, BookQueryViewModel>();
@@ -180,12 +183,24 @@ namespace BookAStar
                 Text = "Accueil",
                 Icon = "icon.png"
             };
+            ToolbarItem tiPubChat= new ToolbarItem()
+            {
+                Text = "Chat",
+                Icon = "chat_icon_s.png"
+            };
+            tiPubChat.Clicked += TiPubChat_Clicked;
             masterDetail.ToolbarItems.Add(tiHome);
             masterDetail.ToolbarItems.Add(tiSetts);
+            masterDetail.ToolbarItems.Add(tiPubChat);
             this.MainPage = masterDetail;
             NavigationService = new NavigationService(masterDetail.Detail.Navigation);
         }
 
+        private void TiPubChat_Clicked(object sender, EventArgs e)
+        {
+            NavigationService.NavigateTo<ChatPage>();
+        }
+
         public static INavigationService NavigationService { protected set; get; }
         public void PostDeviceInfo()
         {

BookAStar/BookAStar/BookAStar.csproj

@@ -77,6 +77,9 @@
     <Compile Include="Pages\BookQueryPage.xaml.cs">
       <DependentUpon>BookQueryPage.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Pages\ChatPage.xaml.cs">
+      <DependentUpon>ChatPage.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Pages\EditBillingLinePage.xaml.cs">
       <DependentUpon>EditBillingLinePage.xaml</DependentUpon>
     </Compile>
@@ -138,6 +141,7 @@
     <Compile Include="ViewModels\BookQueriesViewModel.cs" />
     <Compile Include="ViewModels\BookQueryViewModel.cs" />
     <Compile Include="ViewModels\BillingLineViewModel.cs" />
+    <Compile Include="ViewModels\ChatViewModel.cs" />
     <Compile Include="ViewModels\DashboardViewModel.cs" />
     <Compile Include="ViewModels\EstimateViewModel.cs" />
     <Compile Include="ViewModels\UserLoginViewModel.cs" />
@@ -218,6 +222,14 @@
       <HintPath>..\..\packages\SQLite.Net-PCL.3.1.1\lib\portable-win8+net45+wp8+wpa81+MonoAndroid1+MonoTouch1\SQLite.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
+    <Reference Include="System.Net.Http.Extensions, Version=1.5.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Microsoft.Net.Http.2.2.29\lib\portable-net45+win8+wpa81\System.Net.Http.Extensions.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System.Net.Http.Primitives, Version=4.2.29.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\Microsoft.Net.Http.2.2.29\lib\portable-net45+win8+wpa81\System.Net.Http.Primitives.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
     <Reference Include="Xamarin.Forms.Core, Version=2.0.0.0, Culture=neutral, processorArchitecture=MSIL">
       <HintPath>..\..\packages\Xamarin.Forms.2.3.2.127\lib\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.Core.dll</HintPath>
       <Private>True</Private>
@@ -329,6 +341,15 @@
       <SubType>Designer</SubType>
     </EmbeddedResource>
   </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Pages\ChatPage.xaml">
+      <Generator>MSBuild:UpdateDesignTimeXaml</Generator>
+      <SubType>Designer</SubType>
+    </EmbeddedResource>
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Images\Chat\chat_icon_s.png" />
+  </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.targets" />
   <Import Project="..\..\packages\Xamarin.Forms.2.3.2.127\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets" Condition="Exists('..\..\packages\Xamarin.Forms.2.3.2.127\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
@@ -337,6 +358,11 @@
     </PropertyGroup>
     <Error Condition="!Exists('..\..\packages\Xamarin.Forms.2.3.2.127\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\Xamarin.Forms.2.3.2.127\build\portable-win+net45+wp80+win81+wpa81+MonoAndroid10+MonoTouch10+Xamarin.iOS10\Xamarin.Forms.targets'))" />
   </Target>
+  <Import Project="..\..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets" Condition="Exists('..\..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" />
+  <Target Name="EnsureBclBuildImported" BeforeTargets="BeforeBuild" Condition="'$(BclBuildImported)' == ''">
+    <Error Condition="!Exists('..\..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=317567." HelpKeyword="BCLBUILD2001" />
+    <Error Condition="Exists('..\..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="The build restored NuGet packages. Build the project again to include these packages in the build. For more information, see http://go.microsoft.com/fwlink/?LinkID=317568." HelpKeyword="BCLBUILD2002" />
+  </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.
   <Target Name="BeforeBuild">

BookAStar/BookAStar/Constants.cs

@@ -19,7 +19,7 @@ namespace BookAStar
         public static readonly string UserInfoUrl = YavscApiUrl + "/me";
         public static readonly string BlogUrl = YavscApiUrl + "/blogs";
         public static readonly string FsUrl = YavscApiUrl + "/fs";
-
+        public static readonly string SignalRHubsUrl = YavscHomeUrl + "/signalr/hubs";
         #endregion
 
     }

BookAStar/BookAStar/Pages/ChatPage.xaml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="BookAStar.Pages.ChatPage"
+             >
+
+  <StackLayout Padding="5, 5, 5, 5">
+    <StackLayout Spacing = "12"
+                  Orientation = "Horizontal"
+                  Padding="5, 0, 5, 0">
+      <Entry x:Name="messageEntry" Placeholder = "enter your Message"
+             VerticalOptions = "Center"
+                  HorizontalOptions = "FillAndExpand"></Entry>
+      <Button x:Name="sendButton" Text = "Send" HorizontalOptions = "End"
+              VerticalOptions = "Center"></Button>
+
+      <Label Text="{Binding MainText}" VerticalOptions="Center" HorizontalOptions="Center" />
+
+    </StackLayout>
+  <ListView x:Name="messageList"></ListView>
+  </StackLayout>
+</ContentPage>

BookAStar/BookAStar/Pages/ChatPage.xaml.cs

@@ -0,0 +1,54 @@
+using Microsoft.AspNet.SignalR.Client;
+using System;
+using System.Collections.ObjectModel;
+using System.Diagnostics;
+using Xamarin.Forms;
+
+namespace BookAStar.Pages
+{
+    public partial class ChatPage : ContentPage
+    {
+        public ObservableCollection<string> Messages { get; set; }
+        public string ChatUser { get; set; }
+
+        private HubConnection chatHubConnection;
+        private IHubProxy chatHubProxy;
+
+        public ChatPage()
+        {
+            InitializeComponent();
+
+            Title = "Chat";
+
+            sendButton.Clicked += async (sender, args) => {
+                IsBusy = true;
+
+                try
+                {
+                    await chatHubProxy.Invoke<string>("Send", ChatUser, messageEntry.Text);
+                }
+                catch (Exception ex)
+                {
+
+                    Debug.WriteLine(ex);
+                }
+
+                IsBusy = false;
+            };
+             messageList.ItemsSource = Messages = new ObservableCollection<string>();
+        }
+
+        protected override async void OnAppearing()
+        {
+            IsBusy = true;
+            chatHubConnection = new HubConnection(Constants.SignalRHubsUrl);
+            chatHubProxy = chatHubConnection.CreateHubProxy("ChatHub");
+            chatHubProxy.On<string, string>("AddMessage", (n, m) => {
+                Messages.Add(string.Format("{0} says: {1}", n, m));
+            });
+            await chatHubConnection.Start();
+            IsBusy = false;
+            sendButton.IsEnabled = true;
+        }
+    }
+}

BookAStar/BookAStar/ViewModels/ChatViewModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using XLabs.Forms.Mvvm;
+
+namespace BookAStar.ViewModels
+{
+    class ChatViewModel: ViewModel
+    {
+        public string UserName {
+            get; set;
+        }
+    }
+}

BookAStar/BookAStar/packages.config

@@ -4,6 +4,9 @@
   <package id="Json.NET.Web" version="1.0.49" targetFramework="portable45-net45+win8+wpa81" />
   <package id="MarkdownDeep.NET" version="1.5" targetFramework="portable45-net45+win8+wpa81" />
   <package id="Microsoft.AspNet.SignalR.Client" version="2.2.1" targetFramework="portable45-net45+win8+wpa81" />
+  <package id="Microsoft.Bcl" version="1.1.10" targetFramework="portable45-net45+win8+wpa81" />
+  <package id="Microsoft.Bcl.Build" version="1.0.14" targetFramework="portable45-net45+win8+wpa81" />
+  <package id="Microsoft.Net.Http" version="2.2.29" targetFramework="portable45-net45+win8+wpa81" />
   <package id="Newtonsoft.Json" version="9.0.1" targetFramework="portable45-net45+win8+wpa81" />
   <package id="SQLite.Net.Core-PCL" version="3.1.1" targetFramework="portable45-net45+win8+wpa81" />
   <package id="SQLite.Net-PCL" version="3.1.1" targetFramework="portable45-net45+win8+wpa81" />