add gui animation setting

lib/screens/AppScreen.dart

@@ -31,9 +31,9 @@ class _AppScreenState extends State<AppScreen> {
     setState(() {});
   }
 
-  static const List<Widget> _widgetOptions = <Widget>[
-    const CategoriesScreen(),
-    const SpaceScreen(),
+  static List<Widget> _widgetOptions = <Widget>[
+    CategoriesScreen(),
+    SpaceScreen(),
   ];
 
   late int _selectedIndex = 0;

lib/screens/CategoriesScreen.dart

@@ -92,6 +92,7 @@ class _CategoriesScreenState extends State<CategoriesScreen>
 
   @override
   Widget build(BuildContext context) {
+    super.build(context);
     var theme = Theme.of(context);
     var themeBackground = theme.scaffoldBackgroundColor;
     var shadeBackground = Color.fromARGB(

lib/screens/SpaceScreen.dart

@@ -44,6 +44,7 @@ class _SpaceScreenState extends State<SpaceScreen>
 
   @override
   Widget build(BuildContext context) {
+    super.build(context);
     return Scaffold(
       appBar: AppBar(
         title: Text('我的'),