import 'package:flutter/material.dart'; import 'package:flutter_tts/flutter_tts.dart'; import 'package:speech_to_text/speech_to_text.dart' as stt; void main() { runApp(const HRChatbotApp()); } class HRChatbotApp extends StatelessWidget { const HRChatbotApp({super.key}); @override Widget build(BuildContext context) { return MaterialApp( title: 'HR Recruitment Chatbot', theme: ThemeData( primarySwatch: Colors.blue, useMaterial3: true, ), home: const ChatbotScreen(), ); } } class ChatbotScreen extends StatefulWidget { const ChatbotScreen({super.key}); @override State createState() => _ChatbotScreenState(); } class _ChatbotScreenState extends State { final FlutterTts tts = FlutterTts(); final stt.SpeechToText speech = stt.SpeechToText(); String conversation = ''; bool isListening = false; bool interviewScheduled = false; int currentStep = 0; final List botMessages = [ "Hello! This is an automated call from our HR department. Are you interested in hearing about our job opportunity?", "Great! We're a growing company looking for talented individuals. Our office is located in the city center with great benefits.", "Would you like to schedule an interview with us?", "Your interview has been scheduled for tomorrow at 10 AM. Thank you for your time!", "Thank you for your time. Have a great day!" ]; @override void initState() { super.initState(); initTTS(); _startConversation(); } Future initTTS() async { await tts.setLanguage('en-US'); await tts.setSpeechRate(0.5); } Future _startConversation() async { await _speak(botMessages[0]); } Future _speak(String text) async { setState(() { conversation += 'Bot: $text\n'; }); await tts.speak(text); } Future _startListening() async { bool available = await speech.initialize(); if (available) { setState(() => isListening = true); speech.listen( onResult: (result) => _handleSpeechResult(result.recognizedWords), ); } } void _stopListening() { speech.stop(); setState(() => isListening = false); } void _handleSpeechResult(String recognizedWords) { setState(() { conversation += 'You: $recognizedWords\n'; }); if (recognizedWords.toLowerCase().contains('yes') && currentStep == 0) { currentStep = 1; _speak(botMessages[1]); } else if (recognizedWords.toLowerCase().contains('yes') && currentStep == 1) { currentStep = 2; interviewScheduled = true; _speak(botMessages[2]); } else if (recognizedWords.toLowerCase().contains('yes') && currentStep == 2) { currentStep = 3; _speak(botMessages[3]); } else if (recognizedWords.toLowerCase().contains('no')) { currentStep = 4; _speak(botMessages[4]); } } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: const Text('HR Recruitment Chatbot'), ), body: Padding( padding: const EdgeInsets.all(16.0), child: Column( children: [ Expanded( child: SingleChildScrollView( child: Text(conversation), ), ), const SizedBox(height: 20), ElevatedButton( onPressed: isListening ? _stopListening : _startListening, child: Text(isListening ? 'Stop Listening' : 'Start Speaking'), ), if (interviewScheduled) const Padding( padding: EdgeInsets.only(top: 20), child: Text( 'Interview Scheduled!', style: TextStyle( color: Colors.green, fontWeight: FontWeight.bold, fontSize: 18, ), ), ), ], ), ), ); } @override void dispose() { tts.stop(); speech.stop(); super.dispose(); } } name: hr_voice_chatbot description: A Flutter application for HR recruitment using voice chatbot. publish_to: 'none' version: 1.0.0+1 environment: sdk: '>=3.0.0 <4.0.0' dependencies: flutter: sdk: flutter flutter_tts: ^3.6.3 speech_to_text: ^6.1.1 cupertino_icons: ^1.0.2 dev_dependencies: flutter_test: sdk: flutter flutter_lints: ^2.0.0 flutter: uses-material-design: true