Delay Hotkey register & use safe way calling mainwindow animation

Author: taooceros

Flow.Launcher/App.xaml.cs

@@ -69,7 +69,6 @@ await Stopwatch.NormalAsync("|App.OnStartup|Startup cost", async () =>
                 PluginManager.LoadPlugins(_settings.PluginSettings);
                 _mainVM = new MainViewModel(_settings);
 
-                HotKeyMapper.Initialize(_mainVM);
 
                 API = new PublicAPIInstance(_settingsVM, _mainVM, _alphabet);
 
@@ -79,6 +78,8 @@ await Stopwatch.NormalAsync("|App.OnStartup|Startup cost", async () =>
                 await PluginManager.InitializePlugins(API);
                 var window = new MainWindow(_settings, _mainVM);
 
+                HotKeyMapper.Initialize(_mainVM);
+
                 Log.Info($"|App.OnStartup|Dependencies Info:{ErrorReporting.DependenciesInfo()}");
 
                 Current.MainWindow = window;

Flow.Launcher/ViewModel/MainViewModel.cs

@@ -736,7 +736,7 @@ public void Show()
         {
             if (_settings.UseSound)
             {
-                MediaPlayer media = new MediaPlayer();
+                var media = new MediaPlayer();
                 media.Open(new Uri(AppDomain.CurrentDomain.BaseDirectory + "Resources\\open.wav"));
                 media.Play();
             }
@@ -746,7 +746,7 @@ public void Show()
             MainWindowVisibilityStatus = true;
 
             if(_settings.UseAnimation)
-                ((MainWindow)Application.Current.MainWindow).WindowAnimator();
+                ((MainWindow)Application.Current.MainWindow)?.WindowAnimator();
 
             MainWindowOpacity = 1;
         }