Added: contact_list_screen.dart

lib/screens/contact_list_screen.dart

@@ -0,0 +1,95 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:contacts_dataist_ir/models/contact.dart';
+import 'package:contacts_dataist_ir/database/database_helper.dart';
+
+class ContactListScreen extends StatefulWidget {
+  const ContactListScreen({super.key});
+
+  @override
+  State<ContactListScreen> createState() => _ContactListScreenState();
+}
+
+class _ContactListScreenState extends State<ContactListScreen> {
+  final DatabaseHelper _dbHelper = DatabaseHelper();
+  List<Contact> _contacts = [];
+  bool _isLoading = true;
+
+  @override
+  void initState() {
+    super.initState();
+    _loadContacts();
+  }
+
+  Future<void> _loadContacts() async {
+    setState(() {
+      _isLoading = true;
+    });
+    try {
+      final contacts = await _dbHelper.getContacts();
+      setState(() {
+        _contacts = contacts;
+      });
+    } catch (e) {
+      if (kDebugMode) {
+        print('Error loading contacts: $e');
+      }
+    } finally {
+      setState(() {
+        _isLoading = false;
+      });
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Contacts Dataist IR'),
+        backgroundColor: Theme.of(context).colorScheme.primary,
+      ),
+      body: _isLoading
+          ? const Center(child: CircularProgressIndicator())
+          : _contacts.isEmpty
+          ? const Center(
+        child: Text('No contacts found. Add a new one!', style: TextStyle(fontSize: 18)),
+      )
+          : ListView.builder(
+        itemCount: _contacts.length,
+        itemBuilder: (context, index) {
+          final contact = _contacts[index];
+          return Card(
+            margin: const EdgeInsets.symmetric(horizontal: 10, vertical: 5),
+            child: ListTile(
+              title: Text(contact.name),
+              subtitle: Text(contact.phone ?? contact.email ?? 'No phone or email'),
+              onTap: () {
+                if (kDebugMode) {
+                  print('Tapped on ${contact.name}');
+                }
+              },
+              trailing: IconButton(
+                icon: const Icon(Icons.delete, color: Colors.red),
+                onPressed: () async {
+                  if (kDebugMode) {
+                    print('Delete ${contact.name}');
+                  }
+                  await _dbHelper.deleteContact(contact.id!);
+                  _loadContacts();
+                },
+              ),
+            ),
+          );
+        },
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: () {
+          if (kDebugMode) {
+            print('Add New Contact');
+          }
+        },
+        child: const Icon(Icons.add),
+      ),
+    );
+  }
+}