import 'package:flutter/material.dart'; import 'package:firebase_core/firebase_core.dart'; import 'package:cloud_firestore/cloud_firestore.dart'; import 'firebase_options.dart'; void main() async { WidgetsFlutterBinding.ensureInitialized(); await Firebase.initializeApp( options: DefaultFirebaseOptions.currentPlatform, ); runApp(const CustomerApp()); } class CustomerApp extends StatelessWidget { const CustomerApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( title: 'Customer Management', theme: ThemeData( colorScheme: ColorScheme.fromSeed(seedColor: Colors.blue), useMaterial3: true, ), home: const CustomerListScreen(), ); } } class CustomerListScreen extends StatefulWidget { const CustomerListScreen({super.key}); @override State createState() => _CustomerListScreenState(); } class _CustomerListScreenState extends State { final FirebaseFirestore _firestore = FirebaseFirestore.instance; final TextEditingController _nameController = TextEditingController(); final TextEditingController _emailController = TextEditingController(); final TextEditingController _phoneController = TextEditingController(); @override void dispose() { _nameController.dispose(); _emailController.dispose(); _phoneController.dispose(); super.dispose(); } Future _addCustomer() async { await _firestore.collection('customers').add({ 'name': _nameController.text, 'email': _emailController.text, 'phone': _phoneController.text, 'createdAt': FieldValue.serverTimestamp(), }); _nameController.clear(); _emailController.clear(); _phoneController.clear(); } Future _deleteCustomer(String id) async { await _firestore.collection('customers').doc(id).delete(); } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: const Text('Customer List'), ), body: Column( children: [ Padding( padding: const EdgeInsets.all(16.0), child: Column( children: [ TextField( controller: _nameController, decoration: const InputDecoration( labelText: 'Name', border: OutlineInputBorder(), ), ), const SizedBox(height: 8), TextField( controller: _emailController, decoration: const InputDecoration( labelText: 'Email', border: OutlineInputBorder(), ), ), const SizedBox(height: 8), TextField( controller: _phoneController, decoration: const InputDecoration( labelText: 'Phone', border: OutlineInputBorder(), ), ), const SizedBox(height: 16), ElevatedButton( onPressed: _addCustomer, child: const Text('Add Customer'), ), ], ), ), Expanded( child: StreamBuilder( stream: _firestore.collection('customers').orderBy('createdAt').snapshots(), builder: (context, snapshot) { if (snapshot.hasError) { return Center(child: Text('Error: ${snapshot.error}')); } if (snapshot.connectionState == ConnectionState.waiting) { return const Center(child: CircularProgressIndicator()); } return ListView( children: snapshot.data!.docs.map((DocumentSnapshot document) { Map data = document.data() as Map; return ListTile( title: Text(data['name'] ?? ''), subtitle: Text('${data['email'] ?? ''} - ${data['phone'] ?? ''}'), trailing: IconButton( icon: const Icon(Icons.delete), onPressed: () => _deleteCustomer(document.id), ), ); }).toList(), ); }, ), ), ], ), ); } } // This file is generated by FlutterFire CLI. // ignore_for_file: lines_longer_than_80_chars import 'package:firebase_core/firebase_core.dart' show FirebaseOptions; import 'package:flutter/foundation.dart' show defaultTargetPlatform, kIsWeb, TargetPlatform; /// Default [FirebaseOptions] for use with your Firebase apps. /// /// Example: /// ```dart /// import 'firebase_options.dart'; /// ... /// await Firebase.initializeApp( /// options: DefaultFirebaseOptions.currentPlatform, /// ); /// ``` class DefaultFirebaseOptions { static FirebaseOptions get currentPlatform { if (kIsWeb) { throw UnsupportedError( 'DefaultFirebaseOptions have not been configured for web - ' 'you can reconfigure this by running the FlutterFire CLI again.', ); } switch (defaultTargetPlatform) { case TargetPlatform.android: return android; case TargetPlatform.iOS: return ios; case TargetPlatform.macOS: throw UnsupportedError( 'DefaultFirebaseOptions have not been configured for macos - ' 'you can reconfigure this by running the FlutterFire CLI again.', ); case TargetPlatform.windows: throw UnsupportedError( 'DefaultFirebaseOptions have not been configured for windows - ' 'you can reconfigure this by running the FlutterFire CLI again.', ); case TargetPlatform.linux: throw UnsupportedError( 'DefaultFirebaseOptions have not been configured for linux - ' 'you can reconfigure this by running the FlutterFire CLI again.', ); default: throw UnsupportedError( 'DefaultFirebaseOptions are not supported for this platform.', ); } } static const FirebaseOptions android = FirebaseOptions( apiKey: 'YOUR_ANDROID_API_KEY', appId: 'YOUR_ANDROID_APP_ID', messagingSenderId: 'YOUR_MESSAGING_SENDER_ID', projectId: 'YOUR_PROJECT_ID', storageBucket: 'YOUR_STORAGE_BUCKET', ); static const FirebaseOptions ios = FirebaseOptions( apiKey: 'YOUR_IOS_API_KEY', appId: 'YOUR_IOS_APP_ID', messagingSenderId: 'YOUR_MESSAGING_SENDER_ID', projectId: 'YOUR_PROJECT_ID', storageBucket: 'YOUR_STORAGE_BUCKET', iosBundleId: 'YOUR_IOS_BUNDLE_ID', ); } name: customer_management description: A Flutter app for managing customers with Firebase. publish_to: 'none' version: 1.0.0+1 environment: sdk: '>=3.0.0 <4.0.0' dependencies: flutter: sdk: flutter cupertino_icons: ^1.0.2 firebase_core: ^2.15.1 cloud_firestore: ^4.8.4 dev_dependencies: flutter_test: sdk: flutter flutter_lints: ^2.0.0 flutterfire_cli: ^0.2.0 flutter: uses-material-design: true # Customer Management App A Flutter application for managing customer information using Firebase Firestore. ## Setup Instructions 1. Install FlutterFire CLI: ```bash dart pub global activate flutterfire_cli ``` 2. Configure Firebase: ```bash flutterfire configure ``` 3. Run the app: ```bash flutter run ``` ## Features - Add new customers with name, email, and phone - View list of all customers - Delete customers - Real-time updates using Firebase Firestore