Improvements/pjm 35 1 click voice recording

mobile_app/.fvmrc

@@ -0,0 +1,3 @@
+{
+  "flutter": "3.38.3"
+}

mobile_app/.gitignore

@@ -190,3 +190,6 @@ Thumbs.db
 # Keep important files
 !**/lib/l10n/app_*.arb
 !**/lib/l10n/app_localizations.dart
+
+# FVM Version Cache
+.fvm/

mobile_app/lib/bloc/voice_bloc.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import '../models/models.dart' as models;
 import '../services/voice_repository.dart';
@@ -57,13 +58,21 @@ class ShowBeneficiariesDialog extends VoiceState {
   ShowBeneficiariesDialog(this.message, this.beneficiaries, this.sessionId);
 }
 
+/// Emitted when the user recorded but said nothing (empty/silent audio).
+class RecordingEmpty extends VoiceState {}
+
 sealed class VoiceEvent {}
 
-class StartListening extends VoiceEvent {}
+class StartListening extends VoiceEvent {
+  final String locale;
+  final String sessionId;
+  StartListening({required this.locale, required this.sessionId});
+}
 
 class StopListening extends VoiceEvent {
   final String locale;
-  StopListening({required this.locale});
+  final String sessionId;
+  StopListening({required this.locale, required this.sessionId});
 }
 
 class GotTranscript extends VoiceEvent {
@@ -74,38 +83,110 @@ class GotTranscript extends VoiceEvent {
 
 class Reset extends VoiceEvent {}
 
+/// Fired when user said nothing for initial silence duration (e.g. first 5s).
+class InitialSilence extends VoiceEvent {
+  final String locale;
+  InitialSilence({required this.locale});
+}
+
 class VerifyOtp extends VoiceEvent {
   final String otp;
   final String sessionId;
   final String locale;
   VerifyOtp({required this.otp, required this.sessionId, required this.locale});
 }
 
+/// User confirmed they want to stop voice banking; stop recording, TTS, timers and reset to Idle.
+class CancelVoiceSession extends VoiceEvent {}
+
 class VoiceBloc extends Bloc<VoiceEvent, VoiceState> {
   final VoiceRepository repo;
   final BankingAPI bank = BankingAPI();
   final TTSService tts = TTSService();
   String _currentLocale = 'en'; // Track current locale
+  /// BuildContext of the currently shown dialog (excluding logout). Cleared when dialog is closed or when user speaks and we pop it.
+  BuildContext? currentDialogContext;
+  /// Set when user cancels; skip any further TTS and reset to Idle.
+  bool _voiceSessionCancelled = false;
 
   VoiceBloc(this.repo) : super(Idle()) {
     on<StartListening>((e, emit) async {
+      _voiceSessionCancelled = false;
       try {
-        await repo.start();
+        await repo.start(
+          onIdle: () => add(StopListening(locale: e.locale, sessionId: e.sessionId)),
+          idleDuration: const Duration(seconds: 2),
+          onInitialSilence: () => add(InitialSilence(locale: e.locale)),
+          initialSilenceDuration: const Duration(seconds: 12),
+          onSilenceReminder: () async {
+            if (_voiceSessionCancelled) return;
+            final message = TranslationService.translateResponse(
+                'empty_recording', e.locale, null);
+            if (_voiceSessionCancelled) return;
+            try {
+              await tts.speak(message, langCode: e.locale);
+            } catch (e) {
+              print("TTS Error: $e");
+            }
+            if (_voiceSessionCancelled) return;
+          },
+          silenceReminderDuration: const Duration(seconds: 5),
+        );
         emit(Listening());
       } catch (e) {
         print("Voice Bloc Error - Permission denied: $e");
-        // Show a snackbar or dialog to inform user about permission
         emit(Idle());
       }
     });
 
+    on<InitialSilence>((e, emit) async {
+      try {
+        await repo.stopWithoutTranscribe();
+      } catch (err) {
+        print("Voice Bloc Error - stopWithoutTranscribe: $err");
+      }
+      emit(Idle());
+    });
+
+    on<CancelVoiceSession>((e, emit) async {
+      _voiceSessionCancelled = true;
+      try {
+        await repo.stopWithoutTranscribe();
+      } catch (err) {
+        print("Voice Bloc Error - stopWithoutTranscribe on cancel: $err");
+      }
+      try {
+        await tts.stop();
+      } catch (err) {
+        print("TTS stop on cancel: $err");
+      }
+      emit(Idle());
+    });
+
     on<StopListening>((e, emit) async {
       emit(Transcribing());
       _currentLocale = e.locale; // Store current locale
 
       print("Voice Bloc Debug - Processing normal voice input");
-      final data = await repo.stopAndTranscribe(locale: e.locale);
-      add(GotTranscript(data, e.locale));
+      try {
+        final data = await repo.stopAndTranscribe(
+          locale: e.locale,
+          sessionId: e.sessionId,
+          ifNotEmptyCallback: () {
+            if (currentDialogContext != null && currentDialogContext!.mounted) {
+              Navigator.of(currentDialogContext!).pop();
+              currentDialogContext = null;
+            }
+          },
+        );
+        add(GotTranscript(data, e.locale));
+      } on EmptyRecordingException catch (_) {
+        emit(RecordingEmpty());
+        add(Reset());
+      } catch (err) {
+        print("Voice Bloc Error - Stop/transcribe failed: $err");
+        emit(Idle());
+      }
     });
 
     on<Reset>((e, emit) {
@@ -211,16 +292,18 @@ class VoiceBloc extends Bloc<VoiceEvent, VoiceState> {
             originalMessage, _currentLocale, context);
 
         // Speak the translated message
+        if (_voiceSessionCancelled) return;
         try {
           await tts.speak(translatedMessage, langCode: ttsLanguage);
         } catch (e) {
           print("TTS Error: $e");
         }
+        if (_voiceSessionCancelled) return;
 
         // Show transactions dialog
         emit(
             ShowTransactionsDialog(translatedMessage, transactions, sessionId));
-        add(Reset());
+        add(StartListening(locale: _currentLocale, sessionId: sessionId));
         return;
       }
 
@@ -267,17 +350,19 @@ class VoiceBloc extends Bloc<VoiceEvent, VoiceState> {
         print("Voice Bloc Debug - Translated message: $translatedMessage");
 
         // Speak the translated message
+        if (_voiceSessionCancelled) return;
         try {
           await tts.speak(translatedMessage, langCode: ttsLanguage);
         } catch (e) {
           print("TTS Error: $e");
         }
+        if (_voiceSessionCancelled) return;
 
         // Show beneficiaries dialog
         print("Voice Bloc Debug - Emitting ShowBeneficiariesDialog");
         emit(ShowBeneficiariesDialog(
             translatedMessage, beneficiaries, sessionId));
-        add(Reset());
+        add(StartListening(locale: _currentLocale, sessionId: sessionId));
         return;
       }
 
@@ -304,11 +389,13 @@ class VoiceBloc extends Bloc<VoiceEvent, VoiceState> {
               {'amount': amount.toString(), 'recipient': recipient});
 
           // Speak the translated message
+          if (_voiceSessionCancelled) return;
           try {
             await tts.speak(translatedMessage, langCode: ttsLanguage);
           } catch (e) {
             print("TTS Error: $e");
           }
+          if (_voiceSessionCancelled) return;
 
           // Show OTP dialog
           emit(ShowOtpDialog(translatedMessage, sessionId, recipient, amount));
@@ -337,16 +424,18 @@ class VoiceBloc extends Bloc<VoiceEvent, VoiceState> {
               message, _currentLocale, {});
 
           // Speak the translated message
+          if (_voiceSessionCancelled) return;
           try {
             await tts.speak(translatedMessage, langCode: ttsLanguage);
           } catch (e) {
             print("TTS Error: $e");
           }
+          if (_voiceSessionCancelled) return;
 
           // Show duplicate beneficiaries dialog
           emit(ShowDuplicateDialog(translatedMessage, sessionId, beneficiaries,
               originalAmount: originalAmount));
-          add(Reset());
+          add(StartListening(locale: _currentLocale, sessionId: sessionId));
           return;
         }
       }
@@ -386,16 +475,19 @@ class VoiceBloc extends Bloc<VoiceEvent, VoiceState> {
           print("Voice Bloc Debug - Translated message: $translatedMessage");
 
           // Speak the translated message
+          if (_voiceSessionCancelled) return;
           try {
             await tts.speak(translatedMessage, langCode: ttsLanguage);
           } catch (e) {
             print("TTS Error: $e");
           }
+          if (_voiceSessionCancelled) return;
 
           // Show the error message
           emit(Executing(
               translatedMessage, VoiceIntent(VoiceIntentType.unknown)));
-          add(Reset());
+          // After TTS completes, restart listening for continuous conversation
+          add(StartListening(locale: _currentLocale, sessionId: sessionId));
           return;
         } else {
           print(
@@ -501,11 +593,13 @@ class VoiceBloc extends Bloc<VoiceEvent, VoiceState> {
         String translatedMessage = TranslationService.translateApiResponse(
             originalMessage, _currentLocale, context);
 
+        if (_voiceSessionCancelled) return;
         try {
           await tts.speak(translatedMessage, langCode: ttsLanguage);
         } catch (e) {
           print("TTS Error: $e");
         }
+        if (_voiceSessionCancelled) return;
 
         // Determine intent type for execution state
         VoiceIntentType intentType = VoiceIntentType.unknown;
@@ -524,7 +618,8 @@ class VoiceBloc extends Bloc<VoiceEvent, VoiceState> {
         }
 
         emit(Executing(translatedMessage, VoiceIntent(intentType)));
-        add(Reset());
+        // After TTS completes, restart listening for continuous conversation
+        add(StartListening(locale: _currentLocale, sessionId: sessionId));
         return;
       }
 

mobile_app/lib/l10n/app_bn.arb

@@ -3,6 +3,7 @@
   "loginPrompt": "আপনার মোবাইল নম্বর লিখুন",
   "otpPrompt": "ওটিপি লিখুন",
   "micHint": "কথা বলার জন্য মাইক্রোফোনে ট্যাপ করুন",
+  "tapToSpeak": "বলতে ট্যাপ করুন",
   "listening": "শোনা হচ্ছে...",
   "transcribing": "লেখায় রূপান্তর হচ্ছে...",
   "executing": "আপনার অনুরোধ প্রক্রিয়া করা হচ্ছে...",
@@ -22,6 +23,7 @@
   "voice": "ভয়েস",
   "stop": "বন্ধ করুন",
   "cancel": "বাতিল",
+  "stopVoiceBankingConfirm": "ভয়েস ব্যাংকিং বন্ধ করবেন? সমস্ত বর্তমান ভয়েস কার্যকলাপ বাতিল করা হবে।",
   "welcomeTo": "স্বাগতম",
   "experienceBanking": "ভয়েসের শক্তিতে ব্যাংকিংয়ের অভিজ্ঞতা নিন",
   "enterMobileNumber": "মোবাইল নম্বর লিখুন",
@@ -87,5 +89,13 @@
   "tipNaturalLanguage": "প্রাকৃতিক ভাষা ব্যবহার করুন যেমন \"আমার ব্যালেন্স দেখান\"",
   "tipWaitForIndicator": "কথা বলার আগে শোনার নির্দেশকের জন্য অপেক্ষা করুন",
   "needMoreHelp": "আরো সাহায্য প্রয়োজন?",
-  "contactSupportDescription": "অতিরিক্ত সহায়তার জন্য আমাদের সহায়তা দলকে যোগাযোগ করুন"
+  "contactSupportDescription": "অতিরিক্ত সহায়তার জন্য আমাদের সহায়তা দলকে যোগাযোগ করুন",
+  "balanceSuccess": "আপনার বর্তমান জের {amount} টাকা।",
+  "transactionsFound": "এখানে আপনার {count}টি সাম্প্রতিক লেনদেন।",
+  "noTransactions": "কোন লেনদেন পাওয়া যায়নি।",
+  "transferSuccess": "{recipient}-এ {amount} টাকার ট্রান্সফার সফলভাবে শুরু হয়েছে।",
+  "transferFailed": "ট্রান্সফার ব্যর্থ। অনুগ্রহ করে আবার চেষ্টা করুন।",
+  "errorGeneric": "দুঃখিত, একটি ত্রুটি হয়েছে। অনুগ্রহ করে আবার চেষ্টা করুন।",
+  "errorInsufficientFunds": "অপর্যাপ্ত তহবিল। অনুগ্রহ করে আপনার ব্যালেন্স পরীক্ষা করুন।",
+  "pleaseSaySomething": "অনুগ্রহ করে কিছু বলুন"
 }   

mobile_app/lib/l10n/app_en.arb

@@ -3,6 +3,7 @@
   "loginPrompt": "Enter your mobile number",
   "otpPrompt": "Enter OTP",
   "micHint": "Tap the mic to speak",
+  "tapToSpeak": "Tap to speak",
   "listening": "Listening...",
   "transcribing": "Transcribing...",
   "executing": "Processing your request...",
@@ -22,6 +23,7 @@
   "voice": "Voice",
   "stop": "Stop",
   "cancel": "Cancel",
+  "stopVoiceBankingConfirm": "Stop voice banking? All current voice activity will be cancelled.",
   "welcomeTo": "Welcome to",
   "experienceBanking": "Experience banking with the power of voice",
   "enterMobileNumber": "Enter Mobile Number",
@@ -94,6 +96,7 @@
   "transferSuccess": "Transfer of {amount} rupees to {recipient} has been initiated successfully.",
   "transferFailed": "Transfer failed. Please try again.",
   "errorGeneric": "Sorry, I encountered an error. Please try again.",
-  "errorInsufficientFunds": "Insufficient funds. Please check your balance."
+  "errorInsufficientFunds": "Insufficient funds. Please check your balance.",
+  "pleaseSaySomething": "Please say something"
 }
 

mobile_app/lib/l10n/app_gu.arb

@@ -3,6 +3,7 @@
   "loginPrompt": "તમારો મોબાઇલ નંબર દાખલ કરો",
   "otpPrompt": "OTP દાખલ કરો",
   "micHint": "બોલવા માટે માઇક પર ટેપ કરો",
+  "tapToSpeak": "બોલવા ટેપ કરો",
   "listening": "સાંભળી રહ્યા છીએ...",
   "transcribing": "લખાણમાં રૂપાંતર થઈ રહ્યું છે...",
   "executing": "તમારી વિનંતી પ્રક્રિયા કરવામાં આવી રહી છે...",
@@ -22,6 +23,7 @@
   "voice": "વૉઇસ",
   "stop": "બંધ કરો",
   "cancel": "રદ કરો",
+  "stopVoiceBankingConfirm": "વૉઇસ બેંકિંગ બંધ કરો? તમામ વર્તમાન વૉઇસ પ્રવૃત્તિ રદ કરવામાં આવશે.",
   "welcomeTo": "સ્વાગત છે",
   "experienceBanking": "વૉઇસની શક્તિથી બેંકિંગનો અનુભવ કરો",
   "enterMobileNumber": "મોબાઇલ નંબર દાખલ કરો",
@@ -87,5 +89,13 @@
   "tipNaturalLanguage": "કુદરતી ભાષા વાપરો જેમ કે \"મારું બેલન્સ બતાવો\"",
   "tipWaitForIndicator": "બોલતા પહેલા સાંભળવાના સૂચકની રાહ જુઓ",
   "needMoreHelp": "વધુ મદદ જોઈએ?",
-  "contactSupportDescription": "વધારાની સહાયતા માટે અમારી સહાયતા ટીમનો સંપર્ક કરો"
+  "contactSupportDescription": "વધારાની સહાયતા માટે અમારી સહાયતા ટીમનો સંપર્ક કરો",
+  "balanceSuccess": "તમારું વર્તમાન બેલન્સ {amount} રૂપિયા છે.",
+  "transactionsFound": "અહીં તમારા {count} તાજેતરના લેનદેન છે.",
+  "noTransactions": "કોઈ લેનદેન મળ્યા નથી.",
+  "transferSuccess": "{recipient}ને {amount} રૂપિયાનું ટ્રાન્સફર સફળતાપૂર્વક શરૂ થયું છે.",
+  "transferFailed": "ટ્રાન્સફર નિષ્ફળ. કૃપા કરીને ફરી પ્રયાસ કરો.",
+  "errorGeneric": "માફ કરો, ભૂલ આવી. કૃપા કરીને ફરી પ્રયાસ કરો.",
+  "errorInsufficientFunds": "અપૂર્ણ નિધિ. કૃપા કરીને તમારું બેલન્સ તપાસો.",
+  "pleaseSaySomething": "કૃપા કરીને કંઈક કહો"
 }

mobile_app/lib/l10n/app_hi.arb

@@ -3,6 +3,7 @@
   "loginPrompt": "अपना मोबाइल नंबर दर्ज करें",
   "otpPrompt": "ओटीपी दर्ज करें",
   "micHint": "बोलने के लिए माइक दबाएँ",
+  "tapToSpeak": "बोलने के लिए टैप करें",
   "listening": "सुन रहा हूँ...",
   "transcribing": "लिख रहा हूँ...",
   "executing": "आपका अनुरोध संसाधित हो रहा है...",
@@ -22,6 +23,7 @@
   "voice": "वॉइस",
   "stop": "रोकें",
   "cancel": "रद्द करें",
+  "stopVoiceBankingConfirm": "वॉइस बैंकिंग बंद करें? सभी वर्तमान वॉइस गतिविधि रद्द हो जाएगी।",
   "welcomeTo": "स्वागत है",
   "experienceBanking": "वॉइस की शक्ति से बैंकिंग का अनुभव करें",
   "enterMobileNumber": "मोबाइल नंबर दर्ज करें",
@@ -87,5 +89,13 @@
   "tipNaturalLanguage": "प्राकृतिक भाषा का उपयोग करें जैसे \"मेरा बैलेंस दिखाएं\"",
   "tipWaitForIndicator": "बोलने से पहले सुनने के संकेतक की प्रतीक्षा करें",
   "needMoreHelp": "और सहायता चाहिए?",
-  "contactSupportDescription": "अतिरिक्त सहायता के लिए हमारी सहायता टीम से संपर्क करें"
+  "contactSupportDescription": "अतिरिक्त सहायता के लिए हमारी सहायता टीम से संपर्क करें",
+  "balanceSuccess": "आपका वर्तमान बैलेंस {amount} रुपये है।",
+  "transactionsFound": "यहां आपके {count} सबसे हाल के लेनदेन हैं।",
+  "noTransactions": "कोई लेनदेन नहीं मिला।",
+  "transferSuccess": "{recipient} को {amount} रुपये का ट्रांसफर सफलतापूर्वक शुरू किया गया है।",
+  "transferFailed": "ट्रांसफर विफल। कृपया पुनः प्रयास करें।",
+  "errorGeneric": "क्षमा करें, एक त्रुटि हुई। कृपया पुनः प्रयास करें।",
+  "errorInsufficientFunds": "अपर्याप्त धन। कृपया अपना बैलेंस जांचें।",
+  "pleaseSaySomething": "कृपया कुछ बोलें"
 }