Lobby prefs

core/src/io/anuke/mindustry/core/Platform.java

@@ -13,6 +13,11 @@ import static io.anuke.mindustry.Vars.mobile;
 
 public interface Platform{
 
+    /**Steam: Update lobby visibility.*/
+    default void updateLobby(){
+
+    }
+
     /** Add a text input dialog that should show up after the field is tapped. */
     default void addDialog(TextField field){
         addDialog(field, 16);

core/src/io/anuke/mindustry/ui/dialogs/SettingsMenuDialog.java

@@ -223,6 +223,10 @@ public class SettingsMenuDialog extends SettingsDialog{
 
         game.checkPref("savecreate", true);
 
+        game.checkPref("publichost", false, i -> {
+            platform.updateLobby();
+        });
+
         game.pref(new Setting(){
             @Override
             public void add(SettingsTable table){