diff --git a/PolyChat/Controller.cs b/PolyChat/Controller.cs
index b7573d5..5f114e6 100644
--- a/PolyChat/Controller.cs
+++ b/PolyChat/Controller.cs
@@ -145,9 +145,11 @@ namespace PolyChat
 
         private bool isInConnections(string IP)
         {
-            if (Connections.ContainsKey(IP))
-                return true;
-            return false;
+            return Connections.ContainsKey(IP);
+        }
+        public bool IsConnected(string ip)
+        {
+            return Connections.ContainsKey(ip) && Connections[ip].IsConnected();
         }
 
         public static string getIP()
@@ -195,7 +197,6 @@ namespace PolyChat
                     ip = ip.Substring(0, ip.Length - 4);
                     Debug.WriteLine($"-{ip}");
                     Debug.WriteLine(jsonArr);
-                    Connect(ip);
                     UIController.OnIncomingConnection(ip);
                     UIController.OnIncomingMessages(ip, jsonArr);
                 }
diff --git a/PolyChat/MainPage.xaml.cs b/PolyChat/MainPage.xaml.cs
index 2f4788a..06a9db4 100644
--- a/PolyChat/MainPage.xaml.cs
+++ b/PolyChat/MainPage.xaml.cs
@@ -11,6 +11,7 @@ using System.Threading.Tasks;
 using Windows.UI.Core;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
+using Windows.UI.Xaml.Data;
 
 // The Blank Page item template is documented at https://go.microsoft.com/fwlink/?LinkId=402352&clcid=0x409
 
@@ -83,7 +84,7 @@ namespace PolyChat
             var result = await dialog.ShowAsync();
             if (result == ContentDialogResult.Primary)
             {
-                string ip = IP.GetIPfromCode(dialog.getValue());
+                string ip = IP.GetIPFromCode(dialog.getValue());
                 Controller.Connect(ip);
                 Partners.Add(new ChatPartner(
                     "Connecting...",
@@ -136,6 +137,7 @@ namespace PolyChat
                 switch (type)
                 {
                     case "username":
+                        Debug.WriteLine($"! username change for {sendingPartner.Code} -> {content}");
                         sendingPartner.SetName(Name);
                         break;
                     default:
@@ -190,6 +192,7 @@ namespace PolyChat
             listViewMessages.ItemsSource = selectedPartner.Messages;
             selectedPartnerName.Text = selectedPartner.Name;
             updateNoChatSelected();
+            if (!Controller.IsConnected(code)) Controller.Connect(code);
         }
 
         private void OnKeyUp(object sender, Windows.UI.Xaml.Input.KeyRoutedEventArgs e)
diff --git a/PolyChat/Models/ChatPartner.cs b/PolyChat/Models/ChatPartner.cs
index 118b7af..32df3be 100644
--- a/PolyChat/Models/ChatPartner.cs
+++ b/PolyChat/Models/ChatPartner.cs
@@ -1,14 +1,17 @@
 using SocketIOSharp.Server.Client;
 using System.Collections.ObjectModel;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
 
 namespace PolyChat.Models
 {
-    public class ChatPartner
+    public class ChatPartner : INotifyPropertyChanged
     {
         public string Name;
         public string Code;
         public ObservableCollection<ChatMessage> Messages;
         private SocketIOSocket socketIOSocket;
+        public event PropertyChangedEventHandler PropertyChanged;
 
         public ChatPartner(string name, string code, ObservableCollection<ChatMessage> messages = null)
         {
@@ -20,6 +23,11 @@ namespace PolyChat.Models
 
         public SocketIOSocket SocketIOSocket { get => socketIOSocket; set => socketIOSocket = value; }
 
+        private void NotifyPropertyChanged([CallerMemberName] string propertyName = "")
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+
         public void AddMessage(ChatMessage message)
         {
             Messages.Add(message);
@@ -28,6 +36,7 @@ namespace PolyChat.Models
         public void SetName(string name)
         {
             Name = name;
+            NotifyPropertyChanged("Name");
         }
     }
 }
\ No newline at end of file
diff --git a/PolyChat/Package.appxmanifest b/PolyChat/Package.appxmanifest
index 06228f6..30ac9c8 100644
--- a/PolyChat/Package.appxmanifest
+++ b/PolyChat/Package.appxmanifest
@@ -9,8 +9,8 @@
 
   <Identity
     Name="ee2ef4f2-e61b-497a-8f0e-9fa7c90234b1"
-    Publisher="CN=HPL2FE"
-    Version="1.0.0.0" />
+    Publisher="CN=PatrickMarcFelix"
+    Version="0.1.0.0" />
 
   <mp:PhoneIdentity PhoneProductId="ee2ef4f2-e61b-497a-8f0e-9fa7c90234b1" PhonePublisherId="00000000-0000-0000-0000-000000000000"/>
 
diff --git a/PolyChat/PolyChat.csproj b/PolyChat/PolyChat.csproj
index 418a809..12041a4 100644
--- a/PolyChat/PolyChat.csproj
+++ b/PolyChat/PolyChat.csproj
@@ -17,7 +17,15 @@
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{A5A43C5B-DE2A-4C0C-9213-0A381AF9435A};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WindowsXamlEnableOverview>true</WindowsXamlEnableOverview>
-    <AppxPackageSigningEnabled>false</AppxPackageSigningEnabled>
+    <AppxPackageSigningEnabled>False</AppxPackageSigningEnabled>
+    <GenerateAppInstallerFile>False</GenerateAppInstallerFile>
+    <AppxAutoIncrementPackageRevision>False</AppxAutoIncrementPackageRevision>
+    <GenerateTestArtifacts>True</GenerateTestArtifacts>
+    <AppxBundle>Always</AppxBundle>
+    <AppxBundlePlatforms>x86</AppxBundlePlatforms>
+    <HoursBetweenUpdateChecks>0</HoursBetweenUpdateChecks>
+    <PackageCertificateThumbprint>6B0D12FC4E83C6F6997C60706A04799ED44B7E56</PackageCertificateThumbprint>
+    <AppxPackageSigningTimestampDigestAlgorithm>SHA256</AppxPackageSigningTimestampDigestAlgorithm>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
     <DebugSymbols>true</DebugSymbols>
@@ -195,6 +203,9 @@
       <Version>5.0.2</Version>
     </PackageReference>
   </ItemGroup>
+  <ItemGroup>
+    <None Include="PolyChat_TemporaryKey.pfx" />
+  </ItemGroup>
   <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0' ">
     <VisualStudioVersion>14.0</VisualStudioVersion>
   </PropertyGroup>
diff --git a/PolyChat/Util/IP.cs b/PolyChat/Util/IP.cs
index fcb6fd6..975dcd1 100644
--- a/PolyChat/Util/IP.cs
+++ b/PolyChat/Util/IP.cs
@@ -7,7 +7,7 @@ namespace PolyChat.Util
     {
         private const string REGEX_IP = @"^((25[0-5]|(2[0-4]|1\d|[1-9]|)\d)(\.(?!$)|$)){4}$";
 
-        public static string GetIPfromCode(string code)
+        public static string GetIPFromCode(string code)
         {
             return code;
         }
diff --git a/PolyChat/Views/NewChatDialog.xaml.cs b/PolyChat/Views/NewChatDialog.xaml.cs
index 600c62f..4c888ba 100644
--- a/PolyChat/Views/NewChatDialog.xaml.cs
+++ b/PolyChat/Views/NewChatDialog.xaml.cs
@@ -29,7 +29,7 @@ namespace PolyChat.Views
 
         private void OnKeyUp(object sender, Windows.UI.Xaml.Input.KeyRoutedEventArgs e)
         {
-            if (!IP.ValidateIP(IP.GetIPfromCode(input.Text)))
+            if (!IP.ValidateIP(IP.GetIPFromCode(input.Text)))
             {
                 textSuccess.Visibility = Visibility.Collapsed;
                 textError.Visibility = Visibility.Visible;