Optimization and improvement

v2rayN/ServiceLib/ViewModels/StatusBarViewModel.cs

@@ -11,6 +11,9 @@ namespace ServiceLib.ViewModels;
 
 public class StatusBarViewModel : MyReactiveObject
 {
+    private static readonly Lazy<StatusBarViewModel> _instance = new(() => new(null));
+    public static StatusBarViewModel Instance => _instance.Value;
+
     #region ObservableCollection
 
     public IObservableCollection<RoutingItem> RoutingItems { get; } = new ObservableCollectionExtended<RoutingItem>();

v2rayN/v2rayN.Desktop/App.axaml.cs

@@ -16,9 +16,7 @@ public partial class App : Application
         AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
         TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
 
-        var ViewModel = new StatusBarViewModel(null);
-        Locator.CurrentMutable.RegisterLazySingleton(() => ViewModel, typeof(StatusBarViewModel));
-        DataContext = ViewModel;
+        DataContext = StatusBarViewModel.Instance;
     }
 
     public override void OnFrameworkInitializationCompleted()

v2rayN/v2rayN.Desktop/Views/MainWindow.axaml.cs

@@ -20,7 +20,7 @@ namespace v2rayN.Desktop.Views;
 public partial class MainWindow : WindowBase<MainWindowViewModel>
 {
     private static Config _config;
-    private WindowNotificationManager? _manager;
+    private readonly WindowNotificationManager? _manager;
     private CheckUpdateView? _checkUpdateView;
     private BackupAndRestoreView? _backupAndRestoreView;
     private bool _blCloseByUser = false;

v2rayN/v2rayN.Desktop/Views/StatusBarView.axaml.cs

@@ -6,7 +6,6 @@ using Avalonia.ReactiveUI;
 using Avalonia.Threading;
 using DialogHostAvalonia;
 using ReactiveUI;
-using Splat;
 using v2rayN.Desktop.Common;
 
 namespace v2rayN.Desktop.Views;
@@ -20,9 +19,8 @@ public partial class StatusBarView : ReactiveUserControl<StatusBarViewModel>
         InitializeComponent();
 
         _config = AppManager.Instance.Config;
-        //ViewModel = new StatusBarViewModel(UpdateViewHandler);
-        //Locator.CurrentMutable.RegisterLazySingleton(() => ViewModel, typeof(StatusBarViewModel));
-        ViewModel = Locator.Current.GetService<StatusBarViewModel>();
+        
+        ViewModel = StatusBarViewModel.Instance;
         ViewModel?.InitUpdateView(UpdateViewHandler);
 
         txtRunningServerDisplay.Tapped += TxtRunningServerDisplay_Tapped;

v2rayN/v2rayN/Views/StatusBarView.xaml.cs

@@ -15,7 +15,8 @@ public partial class StatusBarView
     {
         InitializeComponent();
         _config = AppManager.Instance.Config;
-        ViewModel = new StatusBarViewModel(UpdateViewHandler);
+        ViewModel = StatusBarViewModel.Instance;
+        ViewModel?.InitUpdateView(UpdateViewHandler);
 
         menuExit.Click += menuExit_Click;
         txtRunningServerDisplay.PreviewMouseDown += txtRunningInfoDisplay_MouseDoubleClick;