diff --git a/src/Banquale/Banquale/App.xaml.cs b/src/Banquale/Banquale/App.xaml.cs
index d09ea42..36bcdc8 100644
--- a/src/Banquale/Banquale/App.xaml.cs
+++ b/src/Banquale/Banquale/App.xaml.cs
@@ -6,16 +6,16 @@ namespace Banquale;
 public partial class App : Application
 {
 
-	public Manager MyManager { get; private set; } = new Manager(new Stub.Stub());
+	public Manager MyManager { get; private set; } = new Manager(new DataContractPersistance.DataContractPers());
 
 	
 
 	public App()
 	{
 
-		//MyManager.ChargeDonnee();
-		//MyManager.Persistance = new DataContractPersistance.DataContractPers();
-		//MyManager.SauvegardeDonnee();
+		MyManager.ChargeDonnee();
+		MyManager.Persistance = new DataContractPersistance.DataContractPers();
+		MyManager.SauvegardeDonnee();
 
 		InitializeComponent();
 
diff --git a/src/Banquale/Banquale/DataContractPersistance/DataContractPers.cs b/src/Banquale/Banquale/DataContractPersistance/DataContractPers.cs
index 887501e..3a66644 100644
--- a/src/Banquale/Banquale/DataContractPersistance/DataContractPers.cs
+++ b/src/Banquale/Banquale/DataContractPersistance/DataContractPers.cs
@@ -10,19 +10,9 @@ namespace Banquale.DataContractPersistance
 {
 	public class DataContractPers : IPersistanceManager
 	{
-        //Partie Antoine
-        public string FilePath { get; set; } = "/Users//Perederii//SAE//Banquale//src//Banquale//Banquale//Persistances";
+        public string FilePath { get; set; } = Environment.GetFolderPath(Environment.SpecialFolder.Personal) + "/datbase.xml";
 		public string FileName { get; set; } = "ClientAndTransactionsList.xml";
 
-		//public string FilePath { get; set; } = Path.Combine(Directory.GetCurrentDirectory(), "..//XML1_folder")/*"/Users/Perederii/SAE/Banquale/src/Banquale/Banquale/XML_folder"*/;
-
-		//Partie Titouan
-
-		//public string FileName { get; set; } = "nomFichier.xml";
-		
-  //      public string FilePath2 { get; set; } = "..\\Persistances";
-  //      public string FilePath { get; set; } = "C:\\Users\\louve\\depot\\Banquale\\src\\Banquale\\Persistances";
-
 		public (List<Client>, List<Transactions>) ChargeDonnee()
 		{
 			var serializer = new DataContractSerializer(typeof(List<Client>));
@@ -43,6 +33,7 @@ namespace Banquale.DataContractPersistance
 			if(!Directory.Exists(FilePath))
 			{
 				Debug.WriteLine("Directory crée à l'instant");
+				Debug.WriteLine(FilePath);
 				Directory.CreateDirectory(FilePath);
 			}
 
diff --git a/src/Banquale/Banquale/DataContractPersistance/DataToPersist.cs b/src/Banquale/Banquale/DataContractPersistance/DataToPersist.cs
index 7e25698..6fc9ed4 100644
--- a/src/Banquale/Banquale/DataContractPersistance/DataToPersist.cs
+++ b/src/Banquale/Banquale/DataContractPersistance/DataToPersist.cs
@@ -1,11 +1,12 @@
 using System;
+using Banquale.Model;
+
 namespace Banquale.DataContractPersistance
 {
 	public class DataToPersist
 	{
-		public DataToPersist()
-		{
-		}
+			public List<Client> clients { get; set; } = new List<Client>();
+            public List<Transactions> transactions { get; set; } = new List<Transactions>();
 	}
 }
 
diff --git a/src/Banquale/Banquale/Model/Client.cs b/src/Banquale/Banquale/Model/Client.cs
index 52a7ced..a647145 100644
--- a/src/Banquale/Banquale/Model/Client.cs
+++ b/src/Banquale/Banquale/Model/Client.cs
@@ -1,16 +1,17 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 
 
 namespace Banquale.Model
 {
-    //[DataFrameworks]
+    [DataContract]
     public class Client: Personne
     {
-        //[DataMember]
+        [DataMember]
         public List<Compte> ListeComptes { get; private set; }
 
 
diff --git a/src/Banquale/Banquale/Model/Personne.cs b/src/Banquale/Banquale/Model/Personne.cs
index 1cf31fa..72105de 100644
--- a/src/Banquale/Banquale/Model/Personne.cs
+++ b/src/Banquale/Banquale/Model/Personne.cs
@@ -1,17 +1,23 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 
 
 namespace Banquale.Model
 {
+    [DataContract]
     public class Personne
     {
+        [DataMember]
         public string Nom { get; private set; }
+        [DataMember]
         public string Prenom { get; private set; }
+        [DataMember]
         public int Id { get; private set; }
+        [DataMember]
         public string Mdp { get; private set; }
 
         public Personne(string nom, string prenom, string mdp)
diff --git a/src/Banquale/Banquale/Platforms/Android/AndroidManifest.xml b/src/Banquale/Banquale/Platforms/Android/AndroidManifest.xml
index fe0e0d9..c13d65a 100644
--- a/src/Banquale/Banquale/Platforms/Android/AndroidManifest.xml
+++ b/src/Banquale/Banquale/Platforms/Android/AndroidManifest.xml
@@ -3,5 +3,8 @@
 	<application android:allowBackup="true" android:icon="@mipmap/appicon" android:roundIcon="@mipmap/appicon_round" android:supportsRtl="true" android:label="Banquale"></application>
 	<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 	<uses-permission android:name="android.permission.INTERNET" />
-	<uses-sdk android:targetSdkVersion="33" android:minSdkVersion="25"/>
-</manifest>
+	<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+	<uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
+	<uses-sdk android:targetSdkVersion="33" android:minSdkVersion="25" />
+</manifest>
\ No newline at end of file
diff --git a/src/Banquale/Banquale/Views/BalancePage.xaml b/src/Banquale/Banquale/Views/BalancePage.xaml
index c33656d..88cb515 100644
--- a/src/Banquale/Banquale/Views/BalancePage.xaml
+++ b/src/Banquale/Banquale/Views/BalancePage.xaml
@@ -55,6 +55,7 @@
                     AlignContent="Start"
                     Direction="Row"
                     Wrap="Wrap">
+
             <local:BalanceView/>
             <local:BalanceView/>
             <local:BalanceView/>
diff --git a/src/Banquale/Banquale/Views/BalanceView.xaml b/src/Banquale/Banquale/Views/BalanceView.xaml
index adc70c5..5d35cf9 100644
--- a/src/Banquale/Banquale/Views/BalanceView.xaml
+++ b/src/Banquale/Banquale/Views/BalanceView.xaml
@@ -12,20 +12,20 @@
             Margin="20, 5, 20, 5"
             HorizontalOptions="Fill">
             
-            <Image Source="dotnet_bot.png"
-                   Grid.Column="0"
-                   MaximumHeightRequest="30"/>
-            <Label
-                Text="Depense"
-                Grid.Column="1"
-                VerticalOptions="Center"
-                Margin="10, 0, 0, 0"/>
-            <Label
-                Text="Prix"
-                Grid.Column="2"
-                VerticalOptions="Center"
-                HorizontalOptions="End"
-                Margin="0, 0, 20, 0"/>
+                <Image Source="dotnet_bot.png"
+                       Grid.Column="0"
+                       MaximumHeightRequest="30"/>
+                <Label
+                    Text="Depense"
+                    Grid.Column="1"
+                    VerticalOptions="Center"
+                    Margin="10, 0, 0, 0"/>
+                <Label
+                    Text="Prix"
+                    Grid.Column="2"
+                    VerticalOptions="Center"
+                    HorizontalOptions="End"
+                    Margin="0, 0, 20, 0"/>
         </Grid>