splash screen error handling added

lib/pages/splash/splash.dart

@@ -10,10 +10,12 @@ import 'package:didvan/services/app_initalizer.dart';
 import 'package:didvan/services/network/request.dart';
 import 'package:didvan/services/storage/storage.dart';
 import 'package:didvan/utils/action_sheet.dart';
+import 'package:didvan/widgets/didvan/button.dart';
 import 'package:didvan/widgets/logos/didvan_horizontal_logo.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter_spinkit/flutter_spinkit.dart';
 import 'package:provider/provider.dart';
 import 'package:universal_html/html.dart' as html;
 
@@ -26,6 +28,7 @@ class Splash extends StatefulWidget {
 
 class _SplashState extends State<Splash> {
   bool _isGettingThemeData = true;
+  bool _errorOccured = false;
 
   @override
   void initState() {
@@ -51,13 +54,38 @@ class _SplashState extends State<Splash> {
           alignment: Alignment.center,
           padding: const EdgeInsets.all(60),
           color: Theme.of(context).colorScheme.background,
-          child: const DidvanVerticalLogo(),
+          child: Column(
+            children: [
+              const SizedBox(height: 70),
+              const Expanded(
+                child: DidvanVerticalLogo(),
+              ),
+              if (!_errorOccured)
+                SpinKitSpinningLines(
+                  color: Theme.of(context).colorScheme.primary,
+                ),
+              if (_errorOccured) const SizedBox(height: 38),
+              if (_errorOccured)
+                DidvanButton(
+                  width: 120,
+                  height: 40,
+                  title: 'تلاش مجدد',
+                  onPressed: () {
+                    setState(() {
+                      _errorOccured = false;
+                    });
+                    _initialize();
+                  },
+                ),
+            ],
+          ),
         ),
       ),
     );
   }
 
   Future<void> _initialize() async {
+    try {
       ActionSheetUtils.context = navigatorKey.currentContext!;
       if (kIsWeb) {
         html.window.onBeforeUnload.listen((event) {
@@ -86,5 +114,10 @@ class _SplashState extends State<Splash> {
         token == null ? Routes.authenticaion : Routes.home,
         arguments: token == null ? false : null,
       );
+    } catch (e) {
+      setState(() {
+        _errorOccured = true;
+      });
+    }
   }
 }