update: reload animaion

app/lib/pages/default_page.dart

@@ -22,6 +22,7 @@ class _DefaultPageState extends State<DefaultPage> {
   late Timer _timer;
   bool serverConnection = true;
   bool dialogShown = false;
+  final backgroundColor = Colors.black87;
 
   @override
   void dispose() {
@@ -37,9 +38,9 @@ class _DefaultPageState extends State<DefaultPage> {
   Widget build(BuildContext context) {
     return MaterialApp(
       home: Scaffold(
-        backgroundColor: Colors.grey[900],
+        backgroundColor: backgroundColor,
         appBar: AppBar(
-          backgroundColor: Colors.black87,
+          backgroundColor: backgroundColor,
           leading: IconButton(
             icon: const Icon(
                 Icons.menu,
@@ -84,8 +85,8 @@ class _DefaultPageState extends State<DefaultPage> {
           ],
         ),
         body: LiquidPullToRefresh(
-          color: Colors.grey[900],
-          height: 200,
+          color: backgroundColor,
+          height: 100,
           backgroundColor: Colors.grey[600],
           onRefresh: _handleRefresh,
           animSpeedFactor: 3,