bug fix: enhance contact fetching with permission handling

dialer/lib/features/contacts/contact_state.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_contacts/flutter_contacts.dart';
+import 'package:permission_handler/permission_handler.dart';
 import '../../services/contact_service.dart';
 
 class ContactState extends StatefulWidget {
@@ -24,6 +25,7 @@ class _ContactStateState extends State<ContactState> {
   bool _loading = true;
   double _scrollOffset = 0.0;
   Contact? _selfContact = Contact();
+  bool _permissionRequestInProgress = false;
 
   // Getters for all contacts and favorites
   List<Contact> get contacts => _allContacts;
@@ -35,8 +37,26 @@ class _ContactStateState extends State<ContactState> {
   @override
   void initState() {
     super.initState();
-    fetchContacts(); // Fetch all contacts by default
-    FlutterContacts.addListener(_onContactChange);
+    _initializeContacts();
+  }
+
+  Future<void> _initializeContacts() async {
+    try {
+      final status = await Permission.contacts.status;
+      if (status.isGranted) {
+        await fetchContacts();
+      } else {
+        final result = await Permission.contacts.request();
+        if (result.isGranted) {
+          await fetchContacts();
+        } else {
+          setState(() => _loading = false);
+        }
+      }
+    } catch (e) {
+      debugPrint('Error initializing contacts: $e');
+      setState(() => _loading = false);
+    }
   }
 
   void _onContactChange() => fetchContacts();

dialer/lib/features/history/history_page.dart

@@ -68,25 +68,24 @@ class _HistoryPageState extends State<HistoryPage>
 
   void _toggleFavorite(Contact contact) async {
     try {
-      if (await FlutterContacts.requestPermission()) {
-        Contact? fullContact = await FlutterContacts.getContact(contact.id,
-            withProperties: true,
-            withAccounts: true,
-            withPhoto: true,
-            withThumbnail: true);
+      Contact? fullContact = await FlutterContacts.getContact(contact.id,
+          withProperties: true,
+          withAccounts: true,
+          withPhoto: true,
+          withThumbnail: true);
 
-        if (fullContact != null) {
-          fullContact.isStarred = !fullContact.isStarred;
-          await FlutterContacts.updateContact(fullContact);
-        }
+      if (fullContact != null) {
+        fullContact.isStarred = !fullContact.isStarred;
+        await FlutterContacts.updateContact(fullContact);
         await _refreshContacts();
-      } else {
-        print("Could not fetch contact details");
       }
     } catch (e) {
-      print("Error updating favorite status: $e");
-      ScaffoldMessenger.of(context).showSnackBar(
-          SnackBar(content: Text('Failed to update favorite status')));
+      debugPrint("Error updating favorite status: $e");
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          const SnackBar(content: Text('Failed to update contact favorite status')),
+        );
+      }
     }
   }
 

dialer/lib/services/contact_service.dart

@@ -1,19 +1,27 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_contacts/flutter_contacts.dart';
 import 'package:qr_flutter/qr_flutter.dart';
+import 'package:permission_handler/permission_handler.dart';
 
 // Service to manage contact-related operations
 class ContactService {
   Future<List<Contact>> fetchContacts() async {
-    if (await FlutterContacts.requestPermission()) {
+    final hasPermission = await Permission.contacts.status;
+    if (!hasPermission.isGranted) {
+      return [];
+    }
+    
+    try {
       return await FlutterContacts.getContacts(
           withProperties: true,
           withThumbnail: true,
           withAccounts: true,
           withGroups: true,
           withPhoto: true);
+    } catch (e) {
+      debugPrint('Error fetching contacts: $e');
+      return [];
     }
-    return [];
   }
 
   Future<List<Contact>> fetchFavoriteContacts() async {