Centralise creation of UpdateManagers

osu.Android/OsuGameAndroid.cs

@@ -30,11 +30,6 @@ public override Version AssemblyVersion
             }
         }
 
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            Add(new SimpleUpdateManager());
-        }
+        protected override UpdateManager CreateUpdateManager() => new SimpleUpdateManager();
     }
 }

osu.Desktop/OsuGameDesktop.cs

@@ -47,20 +47,25 @@ public override Storage GetStorageForStableInstall()
             return null;
         }
 
+        protected override UpdateManager CreateUpdateManager()
+        {
+            switch (RuntimeInfo.OS)
+            {
+                case RuntimeInfo.Platform.Windows:
+                    return new SquirrelUpdateManager();
+
+                default:
+                    return new SimpleUpdateManager();
+            }
+        }
+
         protected override void LoadComplete()
         {
             base.LoadComplete();
 
             if (!noVersionOverlay)
-            {
                 LoadComponentAsync(versionManager = new VersionManager { Depth = int.MinValue }, Add);
 
-                if (RuntimeInfo.OS == RuntimeInfo.Platform.Windows)
-                    Add(new SquirrelUpdateManager());
-                else
-                    Add(new SimpleUpdateManager());
-            }
-
             LoadComponentAsync(new DiscordRichPresence(), Add);
         }
 

osu.Game/OsuGame.cs

@@ -43,6 +43,7 @@
 using osu.Game.Rulesets.Mods;
 using osu.Game.Scoring;
 using osu.Game.Screens.Select;
+using osu.Game.Updater;
 using osu.Game.Utils;
 using LogLevel = osu.Framework.Logging.LogLevel;
 
@@ -390,6 +391,8 @@ public void PresentScore(ScoreInfo score)
 
         protected virtual Loader CreateLoader() => new Loader();
 
+        protected virtual UpdateManager CreateUpdateManager() => new UpdateManager();
+
         protected override Container CreateScalingContainer() => new ScalingContainer(ScalingMode.Everything);
 
         #region Beatmap progression
@@ -528,6 +531,7 @@ protected override void LoadComplete()
 
             AddRange(new Drawable[]
             {
+                CreateUpdateManager(),
                 new VolumeControlReceptor
                 {
                     RelativeSizeAxes = Axes.Both,

osu.iOS/OsuGameIOS.cs

@@ -11,12 +11,5 @@ namespace osu.iOS
     public class OsuGameIOS : OsuGame
     {
         public override Version AssemblyVersion => new Version(NSBundle.MainBundle.InfoDictionary["CFBundleVersion"].ToString());
-
-        protected override void LoadComplete()
-        {
-            base.LoadComplete();
-
-            Add(new UpdateManager());
-        }
     }
 }