diff --git a/CanYouBuildIt/CanYouBuildIt.csproj b/CanYouBuildIt/CanYouBuildIt.csproj
index 3df0b26..4bd2aa5 100644
--- a/CanYouBuildIt/CanYouBuildIt.csproj
+++ b/CanYouBuildIt/CanYouBuildIt.csproj
@@ -62,6 +62,9 @@
 	  <MauiXaml Update="Views\Login.xaml">
 	    <Generator>MSBuild:Compile</Generator>
 	  </MauiXaml>
+	  <MauiXaml Update="Views\SignIn.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </MauiXaml>
 	</ItemGroup>
 
 
diff --git a/CanYouBuildIt/Data/UserData.xml b/CanYouBuildIt/Data/UserData.xml
index 54528a5..abe6565 100644
--- a/CanYouBuildIt/Data/UserData.xml
+++ b/CanYouBuildIt/Data/UserData.xml
@@ -79,5 +79,12 @@
       <d2p1:password>0000</d2p1:password>
       <d2p1:username>Kevin</d2p1:username>
     </d2p1:Utilisateur>
+    <d2p1:Utilisateur>
+      <d2p1:Builds xmlns:d4p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays" i:nil="true" />
+      <d2p1:listBuild i:nil="true" />
+      <d2p1:listFav xmlns:d4p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays" i:nil="true" />
+      <d2p1:password>0123</d2p1:password>
+      <d2p1:username>tt</d2p1:username>
+    </d2p1:Utilisateur>
   </lu>
 </DataToPersist>
\ No newline at end of file
diff --git a/CanYouBuildIt/Model/Manager.cs b/CanYouBuildIt/Model/Manager.cs
index cf8c60b..3bb4ec0 100644
--- a/CanYouBuildIt/Model/Manager.cs
+++ b/CanYouBuildIt/Model/Manager.cs
@@ -47,9 +47,10 @@ namespace CanYouBuildIt.Model
             Persi.sauvegardeDonnee(data);
         }
 
-        public void ajouterUtilisateur(Utilisateur utilisateur)
+        public int ajouterUtilisateur(Utilisateur utilisateur)
         {
             listUtil.Add(utilisateur);
+            return listUtil.Count-1 ;
         }
 
         public void ajouterComposant(Composant composant)
diff --git a/CanYouBuildIt/Views/Acceuil.xaml.cs b/CanYouBuildIt/Views/Acceuil.xaml.cs
index 2a08a0a..cac79eb 100644
--- a/CanYouBuildIt/Views/Acceuil.xaml.cs
+++ b/CanYouBuildIt/Views/Acceuil.xaml.cs
@@ -14,6 +14,8 @@ public partial class Acceuil : ContentPage
 	{
 		InitializeComponent();
         BindingContext = manager;
+        if (connecte)
+            Log.Text = "{Binding ListUtil[user].username}";
     }
 
     public Acceuil(int iduser)
@@ -47,6 +49,7 @@ public partial class Acceuil : ContentPage
     {
         await Navigation.PushAsync(new Credits());
     }
+
     private async void NavLogin(object sender, EventArgs e)
     {
         await Navigation.PushAsync(new Login());
diff --git a/CanYouBuildIt/Views/Login.xaml b/CanYouBuildIt/Views/Login.xaml
index ea046f9..e4d2942 100644
--- a/CanYouBuildIt/Views/Login.xaml
+++ b/CanYouBuildIt/Views/Login.xaml
@@ -15,28 +15,30 @@
                    Margin="25,60,25,0"/>
 
             <Label Text="Connexion"
+                   FontAttributes="Bold"
+                   FontSize="30"
                    Margin="25,60,25,0"
                    MaximumWidthRequest="160"
                    TextColor="White"
-                   FontAttributes="Bold"
-                   FontSize="30"
                    WidthRequest="500"/>
             
             
             <Entry  BackgroundColor="#EEEEFF"
+                    HeightRequest="20"
                     Margin="25,60,25,0"
-                    x:Name="Nom"
                     Placeholder="Nom"
                     PlaceholderColor="Black"
-                    HeightRequest="20"/>
+                    TextColor="Black"
+                    x:Name="Nom"/>
 
             <Entry  BackgroundColor="#EEEEFF"
-                    Margin="25,60,25,0"       
-                    x:Name="Mdp"
+                    HeightRequest="20"
                     IsPassword="True"
+                    Margin="25,60,25,0"
                     Placeholder="Mot de Passe"
                     PlaceholderColor="Black"
-                    HeightRequest="20"/>
+                    TextColor="Black"
+                    x:Name="Mdp"/>
 
             <HorizontalStackLayout>
                 <Button BackgroundColor="DimGrey"
@@ -50,11 +52,11 @@
 
                 <Button BackgroundColor="DimGrey"
                         Margin="90,60,0,0"
-                        x:Name="btn_insc"
+                        x:Name="btInsc"
                         Text="Inscription"
                         FontAttributes="Bold"
                         TextColor="White"
-                        Clicked="BackHome"
+                        Clicked="NavSignIn"
                         HorizontalOptions="Center" />
                 
             </HorizontalStackLayout>
diff --git a/CanYouBuildIt/Views/Login.xaml.cs b/CanYouBuildIt/Views/Login.xaml.cs
index b439fe8..75752c3 100644
--- a/CanYouBuildIt/Views/Login.xaml.cs
+++ b/CanYouBuildIt/Views/Login.xaml.cs
@@ -40,4 +40,9 @@ public partial class Login : ContentPage
     {
         await Navigation.PopAsync();
     }
+
+    private async void NavSignIn(object sender, EventArgs e)
+    {
+        await Navigation.PushAsync(new SignIn());
+    }
 }
\ No newline at end of file
diff --git a/CanYouBuildIt/Views/SignIn.xaml b/CanYouBuildIt/Views/SignIn.xaml
new file mode 100644
index 0000000..10ffc95
--- /dev/null
+++ b/CanYouBuildIt/Views/SignIn.xaml
@@ -0,0 +1,122 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="CanYouBuildIt.Views.SignIn"
+             Title="SignIn"
+             BackgroundColor="#26B4BE">
+    <AbsoluteLayout>
+
+        <VerticalStackLayout
+                AbsoluteLayout.LayoutBounds="0.5,0.5,500,700"
+                AbsoluteLayout.LayoutFlags="PositionProportional"
+                BackgroundColor="#408097">
+            
+            <Image Source="logologin.png"
+                   Margin="25,60,25,0"/>
+
+            <Label Text="Inscription"
+                   FontAttributes="Bold"
+                   FontSize="30"
+                   Margin="25,60,25,0"
+                   MaximumWidthRequest="160"
+                   TextColor="White"
+                   WidthRequest="500"/>
+
+
+            <Entry  BackgroundColor="#EEEEFF"
+                    HeightRequest="20"
+                    Margin="25,60,25,0"
+                    Placeholder="Nom"
+                    PlaceholderColor="Black"
+                    TextColor="Black"
+                    x:Name="Nom"/>
+
+            <Entry  BackgroundColor="#EEEEFF"
+                    HeightRequest="20"
+                    IsPassword="True"
+                    Margin="25,60,25,0"
+                    Placeholder="Mot de Passe"
+                    PlaceholderColor="Black"
+                    TextColor="Black" 
+                    x:Name="Mdp"/>
+
+            <Entry  BackgroundColor="#EEEEFF"
+                    HeightRequest="20"
+                    IsPassword="True"
+                    Margin="25,60,25,0"
+                    Placeholder="Confirmer Mot de Passe"
+                    PlaceholderColor="Black"
+                    TextColor="Black"
+                    x:Name="cMdp"/>
+            <VerticalStackLayout>
+
+                <Button BackgroundColor="DimGrey"
+                        Clicked="BtValider"
+                        FontAttributes="Bold"
+                        HorizontalOptions="Center"
+                        Text="Valider"
+                        TextColor="White"
+                        x:Name="btnValider" />
+
+                <Button BackgroundColor="DimGrey"
+                        Margin="0,60"
+                        x:Name="annul"
+                        Text="Annuler"
+                        FontAttributes="Bold"
+                        TextColor="White"
+                        Clicked="BackLogin"
+                        HorizontalOptions="Center" />
+
+                <Label Text="WARNING ! Les champs doivent être remplis."
+                       IsVisible="false"
+                       x:Name="vide"
+                       BackgroundColor="Red"
+                       FontAttributes="Bold"
+                       Padding="30"
+                       Margin="0,30,0,0"
+                       HorizontalOptions="Center"
+                       WidthRequest="500"/>
+<!-- the cat : fcgvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv-->
+                <Label Text="Le mot de passe doit être composé d'au moins 4 caractères."
+                       IsVisible="false"
+                       x:Name="wrong"
+                       BackgroundColor="Red"
+                       FontAttributes="Bold"
+                       Padding="30"
+                       Margin="0,30,0,0"
+                       HorizontalOptions="Center"
+                       WidthRequest="500"/>
+
+                <Label Text="Les 2 mots de passe doivent être les mêmes."
+                       BackgroundColor="Red"
+                       FontAttributes="Bold"
+                       HorizontalOptions="Center"
+                       IsVisible="false"
+                       Margin="0,30,0,0"
+                       Padding="30"
+                       WidthRequest="500"
+                       x:Name="nequal"/>
+                
+                <Label Text="Ce nom n'est pas disponible."
+                       BackgroundColor="Red"
+                       FontAttributes="Bold"
+                       HorizontalOptions="Center"
+                       IsVisible="false"
+                       Margin="0,30,0,0"
+                       Padding="30"
+                       WidthRequest="500"
+                       x:Name="userNameUsed"/>
+
+                <Label Text="Incription valide."
+                       IsVisible="false"
+                       x:Name="valide"
+                       BackgroundColor="Green"
+                       FontAttributes="Bold"
+                       Padding="30"
+                       Margin="0,30,0,0"
+                       HorizontalOptions="Center"
+                       WidthRequest="500"/>
+            </VerticalStackLayout>
+        </VerticalStackLayout>
+    </AbsoluteLayout>
+</ContentPage>
\ No newline at end of file
diff --git a/CanYouBuildIt/Views/SignIn.xaml.cs b/CanYouBuildIt/Views/SignIn.xaml.cs
new file mode 100644
index 0000000..4295851
--- /dev/null
+++ b/CanYouBuildIt/Views/SignIn.xaml.cs
@@ -0,0 +1,47 @@
+namespace CanYouBuildIt.Views;
+using CanYouBuildIt.Model;
+
+public partial class SignIn : ContentPage
+{
+    public Manager manager => (App.Current as App).manager;
+    public SignIn()
+	{
+		InitializeComponent();
+	}
+
+    private async void BtValider(object sender, EventArgs e)
+    {
+        vide.IsVisible = false;
+        wrong.IsVisible = false;
+        nequal.IsVisible = false;
+        userNameUsed.IsVisible = false;
+
+        //recupérer les valeurs d'entrées
+        string MdpUtil = Mdp.Text;
+        string cMdpUtil = cMdp.Text;
+        string Name = Nom.Text;
+
+        if (Name == null || MdpUtil == null || cMdpUtil ==null)
+            vide.IsVisible = true;
+        else if (MdpUtil.Length <4)
+            wrong.IsVisible=true;
+        else if (MdpUtil != cMdpUtil)
+            nequal.IsVisible = true;
+        else if (manager.rechercheUsername(Name) != -1)
+            userNameUsed.IsVisible = true;
+        else 
+        {
+            valide.IsVisible = true;
+            await Task.Delay(1000);
+            valide.IsVisible = false;
+            int id = manager.ajouterUtilisateur(new Utilisateur(Name,MdpUtil));
+            manager.sauvegardeDonnee();
+            await Navigation.PushAsync(new Acceuil(id));
+        }
+    }
+
+    private async void BackLogin(object sender, EventArgs e)
+    {
+        await Navigation.PopAsync();
+    }
+}
\ No newline at end of file