fix : j'avais peut être cassé le programme

Sources/Persistance/Persistance.cs

@@ -29,7 +29,7 @@ namespace StimPersistance
             throw new NotImplementedException();
         }
 
-        public ObservableCollection<Game>? LoadGame()
+        public ObservableCollection<Game> LoadGame()
         {
             if (File.Exists("games.xml"))
             {

Sources/Stim.Model/Manager.cs

@@ -4,12 +4,12 @@ namespace Model
 {
     public class Manager
     {
-        public IPersistance persistance;
+        public IPersistance Mgrpersistance;
         public ObservableCollection<Game> GameList { get;}
 
         public Manager(IPersistance persistance)
         {
-            persistance = persistance;
+            Mgrpersistance = persistance;
             GameList = persistance.LoadGame();
             if (GameList == null) { GameList = new ObservableCollection<Game>();}
         }
@@ -17,13 +17,13 @@ namespace Model
         public void AddGametoGamesList(Game game)
         {
             GameList.Add(game);
-            persistance.SaveGame(GameList);
+            Mgrpersistance.SaveGame(GameList);
         }
 
         public void RemoveGameFromGamesList(Game game)
         {
             GameList.Remove(game);
-            persistance.SaveGame(GameList);
+            Mgrpersistance.SaveGame(GameList);
         }
 
         /*public void LoadGames()
@@ -32,7 +32,7 @@ namespace Model
         }*/
         public void SaveGames()
         {
-            persistance.SaveGame(GameList);
+            Mgrpersistance.SaveGame(GameList);
         }
     }
 }

Sources/Stim/AddGamePage.xaml.cs

@@ -23,11 +23,13 @@ public partial class AddGamePage : ContentPage
         //System.IO.File.Copy(_ImgPath, /**/, true);
         ((App)App.Current).Manager.AddGametoGamesList(new Game(NameEntry.Text, DescriptionEntry.Text, year, new List<string> { TagEntry1.Text, TagEntry2.Text, TagEntry3.Text }, imgName, LinkEntry.Text));
 		Navigation.RemovePage(this);
-	}
+        ((App)App.Current).Manager.SaveGames();
+    }
 
     private async void Button_Clicked(object sender, EventArgs e)
     {
         var ImgTask = await FilePicker.Default.PickAsync(null);
+        if (ImgTask == null) return;
         _ImgPath = ImgTask.FullPath;
     }
 }

Sources/Stim/App.xaml.cs

@@ -20,7 +20,7 @@ public partial class App : Application
 
         window.Stopped += (s, e) =>
         {
-            Manager.persistance = new Persistance(FileSystem.Current.AppDataDirectory);
+            Manager.Mgrpersistance = new Persistance(FileSystem.Current.AppDataDirectory);
             var test = Manager;
             Manager.SaveGames();
         };

Sources/Stim/DetailledPage.xaml.cs

@@ -12,7 +12,6 @@ public partial class DetailledPage : ContentPage
 
         avgLabel.Text = game.Average.ToString();
         AddStars(starsContainer, game.Average);
-        var test = game.Lien;
     }
 
     private void AddStars(object sender, EventArgs e)