diff --git a/LivreLand/View/ContactsView.xaml b/LivreLand/View/ContactsView.xaml
index 7766c12..a9d53e4 100644
--- a/LivreLand/View/ContactsView.xaml
+++ b/LivreLand/View/ContactsView.xaml
@@ -26,7 +26,7 @@
                 <Grid.RowDefinitions>
                     <RowDefinition Height="40"/>
                     <RowDefinition Height="10"/>
-                    <RowDefinition Height="auto"/>
+                    <RowDefinition Height="*"/>
                     <RowDefinition Height="10"/>
                     <RowDefinition Height="auto"/>
                 </Grid.RowDefinitions>
@@ -44,33 +44,30 @@
                            Grid.Column="1"/>
                 </Grid>
                 <Grid HorizontalOptions="Center"
-                      Grid.Column="2">
-                    <Grid.ColumnDefinitions>
-                        <ColumnDefinition Width="*"/>
-                        <ColumnDefinition Width="5"/>
-                        <ColumnDefinition Width="*"/>
-                    </Grid.ColumnDefinitions>
-                    <HorizontalStackLayout Spacing="10"
-                                           Grid.Column="0">
-                        <Image Source="plus.png"/>
-                        <Label Text="Add new contact"/>
-                    </HorizontalStackLayout>
-                    <!--<VerticalStackLayout IsVisible=""
-                                         Grid.Column="2">
-                        <Grid FlowDirection="LeftToRight">
+                      Grid.Row="2">
+                    <Grid.RowDefinitions>
+                        <RowDefinition Height="*"/>
+                        <RowDefinition Height="5"/>
+                        <RowDefinition Height="*"/>
+                    </Grid.RowDefinitions>
+                    <Label Text="+ Add new contact"
+                           Grid.Row="0"/>
+                    <VerticalStackLayout IsVisible="{Binding ContactsVM.DataFormIsVisible}"
+                                         Grid.Row="2">
                             <Label Text="Prénom :" />
-                            <Entry Placeholder="Saisissez le prénom"/>
-
+                            <Entry Placeholder="Saisissez le prénom"
+                                   Text="{Binding ContactsVM.Manager.GivenFirstName}"/>
                             <Label Text="Nom :"/>
-                            <Entry Placeholder="Saisissez le nom"/>
-
+                            <Entry Placeholder="Saisissez le nom"
+                                   Text="{Binding ContactsVM.Manager.GivenLastName}"/>
                             <Button Text="Enregistrer"
-                                    Command="{Binding ContactsVM.Navigator.AddContactCommand}"/>
-                        </Grid>
+                                    BackgroundColor="Transparent"
+                                    BorderColor="Black"
+                                    Command="{Binding ContactsVM.Manager.AddContactCommand}"/>
                     </VerticalStackLayout>
                     <Grid.GestureRecognizers>
-                        <TapGestureRecognizer Command="{Binding ContactsVM.}"/>
-                    </Grid.GestureRecognizers>-->
+                        <TapGestureRecognizer Command="{Binding ContactsVM.AddContactDataFormCommand}"/>
+                    </Grid.GestureRecognizers>
                 </Grid>
                 <CollectionView ItemsSource="{Binding ContactsVM.Manager.AllContacts}"
                                 SelectedItem="{Binding ContactsVM.Manager.SelectedContact}"
diff --git a/LivreLand/ViewModel/ContactsVM.cs b/LivreLand/ViewModel/ContactsVM.cs
index fffe914..3e76581 100644
--- a/LivreLand/ViewModel/ContactsVM.cs
+++ b/LivreLand/ViewModel/ContactsVM.cs
@@ -4,18 +4,40 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Input;
 using ViewModels;
 
 namespace LivreLand.ViewModel
 {
     public class ContactsVM : BaseViewModel
     {
+        #region Fields
+
+        private bool dataFormIsVisible = false;
+
+        #endregion
+
         #region Properties
 
         public NavigatorVM Navigator { get; private set; }
 
         public ManagerVM Manager { get; private set; }
 
+        public bool DataFormIsVisible
+        {
+            get { return dataFormIsVisible; }
+            set
+            {
+                if (dataFormIsVisible != value)
+                {
+                    dataFormIsVisible = value;
+                    OnPropertyChanged(nameof(DataFormIsVisible));
+                }
+            }
+        }
+
+        public ICommand AddContactDataFormCommand { get; private set; }
+
         #endregion
 
         #region Constructor
@@ -24,6 +46,16 @@ namespace LivreLand.ViewModel
         {
             Navigator = navigatorVM;
             Manager = managerVM;
+            AddContactDataFormCommand = new RelayCommand(() => AddContactDataForm());
+        }
+
+        #endregion
+
+        #region Methods
+
+        private void AddContactDataForm()
+        {
+            DataFormIsVisible = true;
         }
 
         #endregion
diff --git a/ViewModels/ManagerVM.cs b/ViewModels/ManagerVM.cs
index ad1bd68..22ec2f5 100644
--- a/ViewModels/ManagerVM.cs
+++ b/ViewModels/ManagerVM.cs
@@ -2,6 +2,7 @@
 using PersonalMVVMToolkit;
 using System.Collections.ObjectModel;
 using System.Linq;
+using System.Text.RegularExpressions;
 using System.Windows.Input;
 
 namespace ViewModels
@@ -28,6 +29,8 @@ namespace ViewModels
         private AuthorVM selectedAuthor;
         private ContactVM selectedContact;
 
+        private string givenFirstName;
+        private string givenLastName;
         #endregion
 
         #region Properties 
@@ -121,6 +124,32 @@ namespace ViewModels
             }
         }
 
+        public string GivenFirstName
+        {
+            get { return givenFirstName; }
+            set
+            {
+                if (givenFirstName != value)
+                {
+                    givenFirstName = value;
+                    OnPropertyChanged(nameof(GivenFirstName));
+                }
+            }
+        }
+
+        public string GivenLastName
+        {
+            get { return givenLastName; }
+            set
+            {
+                if (givenLastName != value)
+                {
+                    givenLastName = value;
+                    OnPropertyChanged(nameof(GivenLastName));
+                }
+            }
+        }
+
         public string SearchTitle { get; private set; }
 
         public int Index 
@@ -222,7 +251,7 @@ namespace ViewModels
             GetPastBorrowingsCommand = new RelayCommand(() => GetPastBorrowings());
             LendBookCommand = new RelayCommand<ContactVM>((contactVM) => LendBook(contactVM));
             GetContactsCommand = new RelayCommand(() => GetContacts());
-            AddContactCommand = new RelayCommand<ContactVM>((contactVM) => AddContact(contactVM));
+            AddContactCommand = new RelayCommand(() => AddContact());
             //GetBooksByTitleCommand = new RelayCommand(() => AllBooks = model.GetBooksByTitle(SearchTitle, Index, Count).Result.books.Select(book => new BookVM(book)));
         }
 
@@ -540,22 +569,33 @@ namespace ViewModels
             OnPropertyChanged(nameof(AllContacts));
         }
 
-        private async Task AddContact(ContactVM contactVM)
+        private async Task AddContact()
         {
-            Model.Contact contact = new Model.Contact();
-            var resultContacts = await Model.GetContacts(Index, Count);
-            var allContacts = resultContacts.contacts;
-            foreach (var c in allContacts)
-            {
-                if (c.Id == contactVM.Id)
-                {
-                    contact = c;
-                }
-            }
-            if (contact != null)
+            var result = await Model.GetContacts(Index, Count);
+            IEnumerable<Model.Contact> someContacts = result.contacts;
+
+            int lastSequence = someContacts
+                .Where(c => Regex.IsMatch(c.Id, @"^/contacts/\d+$"))
+                .Select(c => int.Parse(Regex.Match(c.Id, @"\d+").Value))
+                .DefaultIfEmpty(0)
+                .Max();
+
+            int newSequence = lastSequence + 1;
+
+            string newId = $"/contacts/{newSequence:D2}";
+
+            var newContact = new Model.Contact
             {
-                await Model.AddContact(contact);
-            }
+                Id = newId,
+                FirstName = GivenFirstName,
+                LastName = GivenLastName
+            };
+
+            GivenFirstName = null;
+            GivenLastName = null;
+
+            await Model.AddContact(newContact);
+            OnPropertyChanged(nameof(AllContacts));
         }
 
         #endregion