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SMS integrated with new ui

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This commit is contained in:
Md Asif
2025-12-09 18:11:46 +05:30
parent 72a2c56392
commit 1a2dea611b
9 changed files with 515 additions and 9 deletions
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2
android/app/src/main/AndroidManifest.xml
View File

@@ -2,6 +2,8 @@
<uses-permission android:name="android.permission.USE_BIOMETRIC"/>
<uses-permission android:name="android.permission.USE_FINGERPRINT"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.SEND_SMS"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>
<application
android:label="kmobile"
android:name="${applicationName}"

36
lib/api/services/auth_service.dart
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@@ -8,6 +8,42 @@ class AuthService {
final Dio _dio;
AuthService(this._dio);
Future <void> simVerify(String uuid, String cifNo) async{
try{
final response = await _dio.post(
'/api/sim-details-verify',
data: {
'uuid': uuid,
'cifNo': cifNo,
}
);
if (response.statusCode == 200) {
final String message = response.data.toString().trim().toUpperCase();
if (message == "VERIFIED") {
return; // Success
} else {
throw AuthException(message); // Throw message received
}
} else {
throw AuthException('Verification Failed');
}
} on DioException catch (e) {
if (kDebugMode) {
print(e.toString());
}
if (e.response?.statusCode == 401) {
throw AuthException(
e.response?.data['error'] ?? 'SOMETHING WENT WRONG');
}
throw NetworkException('Network error during verification');
}
catch (e) {
throw UnexpectedException(
'Unexpected error during verification: ${e.toString()}');
}
}
Future<AuthToken> login(AuthCredentials credentials) async {
try {
final response = await _dio.post(

102
lib/api/services/send_sms_service.dart Normal file
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@@ -0,0 +1,102 @@
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:send_message/send_message.dart' show sendSMS;
import 'package:simcards/sim_card.dart';
import 'package:simcards/simcards.dart';
// This enum provides detailed status back to the UI layer.
enum PermissionStatusResult { granted, denied, permanentlyDenied, restricted }
class SmsService {
final Simcards _simcards = Simcards();
/// Handles the requesting of SMS and Phone permissions.
/// Returns a detailed status: granted, denied, or permanentlyDenied.
Future<PermissionStatusResult> handleSmsPermission() async {
var smsStatus = await Permission.sms.status;
var phoneStatus = await Permission.phone.status;
// Check initial status
if (smsStatus.isGranted && phoneStatus.isGranted) {
return PermissionStatusResult.granted;
}
if (smsStatus.isPermanentlyDenied || phoneStatus.isPermanentlyDenied) {
return PermissionStatusResult.permanentlyDenied;
}
if (smsStatus.isRestricted || phoneStatus.isRestricted) {
return PermissionStatusResult.restricted;
}
// Request permissions if not granted
print("Requesting SMS and Phone permissions...");
await [Permission.phone, Permission.sms].request();
// Re-check status after request
smsStatus = await Permission.sms.status;
phoneStatus = await Permission.phone.status;
if (smsStatus.isGranted && phoneStatus.isGranted) {
return PermissionStatusResult.granted;
}
if (smsStatus.isPermanentlyDenied || phoneStatus.isPermanentlyDenied) {
return PermissionStatusResult.permanentlyDenied;
}
if (smsStatus.isRestricted || phoneStatus.isRestricted) {
return PermissionStatusResult.restricted;
}
// If none of the above, it's denied
return PermissionStatusResult.denied;
}
/// Tries to send a single verification SMS.
/// This should only be called AFTER permissions have been granted.
Future<bool> sendVerificationSms({
required BuildContext context,
required String destinationNumber,
required String message,
}) async {
try {
List<SimCard> simCardList = await _simcards.getSimCards();
if (simCardList.isEmpty) {
print("No SIM card detected.");
return false;
}
return await _sendSms(destinationNumber, message, simCardList.first);
} catch (e) {
print("An error occurred in the SMS process: $e");
return false;
}
}
/// Private function to perform the SMS sending action.
Future<bool> _sendSms(
String destinationNumber, String message, SimCard selectedSim) async {
if (Platform.isAndroid) {
try {
String smsMessage = message;
String result = await sendSMS(
message: smsMessage,
recipients: [destinationNumber],
sendDirect: true,
);
print("Background SMS send attempt result: $result");
if (result.toLowerCase().contains('sent')) {
print("Success: SMS appears to have been sent.");
return true;
} else {
print("Failure: SMS was not sent. Result: $result");
return false;
}
} catch (e) {
print("Error attempting to send SMS directly: $e");
return false;
}
} else {
print("SMS sending is only supported on Android.");
return false;
}
}
}

4
lib/di/injection.dart
View File

@@ -74,9 +74,9 @@ Dio _createDioClient() {
final dio = Dio(
BaseOptions(
baseUrl:
//'http://lb-test-mobile-banking-app-192209417.ap-south-1.elb.amazonaws.com:8080', //test
'http://lb-test-mobile-banking-app-192209417.ap-south-1.elb.amazonaws.com:8080', //test
//'http://lb-kccb-mobile-banking-app-848675342.ap-south-1.elb.amazonaws.com', //prod
'https://kccbmbnk.net', //prod small
//'https://kccbmbnk.net', //prod small
connectTimeout: const Duration(seconds: 60),
receiveTimeout: const Duration(seconds: 60),
headers: {

22
lib/features/auth/screens/login_screen.dart
View File

@@ -3,6 +3,7 @@ import 'package:kmobile/app.dart';
import 'package:kmobile/features/auth/screens/mpin_screen.dart';
import 'package:kmobile/features/auth/screens/set_password_screen.dart';
import 'package:kmobile/features/auth/screens/tnc_required_screen.dart';
import 'package:kmobile/features/auth/screens/verification_screen.dart';
import 'package:kmobile/widgets/tnc_dialog.dart';
import '../../../l10n/app_localizations.dart';
import 'package:flutter/material.dart';
@@ -30,12 +31,23 @@ class LoginScreenState extends State<LoginScreen>
super.dispose();
}
void _submitForm() {
void _submitForm() async {
if (_formKey.currentState!.validate()) {
context.read<AuthCubit>().login(
_customerNumberController.text.trim(),
_passwordController.text,
);
final bool? verificationSuccess = await Navigator.of(context).push(
MaterialPageRoute(
builder: (_) => VerificationScreen(
customerNo: _customerNumberController.text.trim(),
password: _passwordController.text,
),
),
);
if (verificationSuccess == true && mounted) {
context.read<AuthCubit>().login(
_customerNumberController.text.trim(),
_passwordController.text,
);
}
}
}

169
lib/features/auth/screens/sms_verification_helper.dart Normal file
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@@ -0,0 +1,169 @@
import 'package:flutter/material.dart';
import 'package:kmobile/api/services/send_sms_service.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:uuid/uuid.dart';
class SmsVerificationHelper {
final SmsService _smsService = SmsService();
Future<void> _showPermanentlyDeniedDialog(BuildContext context) async {
await showDialog(
context: context,
builder: (context) => AlertDialog(
title: const Text("Permission Required"),
content: const Text("SMS and Phone permissions are required for device verification. Please enable them in your app settings to continue."),
actions: [
TextButton(
child: const Text("Cancel"),
onPressed: () => Navigator.of(context).pop(),
),
TextButton(
child: const Text("Open Settings"),
onPressed: () {
openAppSettings(); // Opens the phone's settings screen for this app
Navigator.of(context).pop();
},
),
],
),
);
}
Future<void> _showRestrictedSmsDialog(BuildContext context) async {
await showDialog(
context: context,
builder: (context) => AlertDialog(
title: const Text("SMS Permission Restricted"),
content: const SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text("It seems your device is restricting this app from sending SMS messages, which is required for verification. Please follow these steps to enable it:\n"),
Text("1. Open your device Settings.", style: TextStyle(fontWeight: FontWeight.bold)),
Text("2. Go to 'Apps' or 'Apps & notifications'."),
Text("3. Find and tap on this app ('KMobile')."),
Text("4. Tap on the three dots (⋮) in the top right corner."),
Text("5. Select 'Allow restricted settings' and confirm. This is crucial to allow SMS permission."),
Text("6. Now you have two options to allow SMS permission:"),
Text(" a. Tap on 'Permissions', then find 'SMS' is set to 'Allow'."),
Text(" b. Alternatively, you can return to the KMobile app, and the SMS permission pop-up should appear again, allowing you to grant it directly."),
Text("\nSome devices have an additional setting for 'Premium SMS'. If the above doesn't work, look for a 'Premium SMS access' setting (you can search for it in your Settings app) and set it to 'Always Allow' for this app.\n"),
Text("After you've enabled the permission, please come back to the app."),
],
),
),
actions: [
TextButton(
child: const Text("I've Enabled It"),
onPressed: () => Navigator.of(context).pop(),
),
],
),
);
}
void _showSnackBar(BuildContext context, String message) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(message),
duration: const Duration(seconds: 3),
),
);
}
Future<String?> initiateSmsSequence({
required BuildContext context,
}) async {
bool hasPermission = false;
// --- PERMISSION LOOP ---
while (!hasPermission) {
// handleSmsPermission will check the status and request if not granted.
final status = await _smsService.handleSmsPermission();
switch (status) {
case PermissionStatusResult.granted:
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text("Permissions Granted! Proceeding..."), duration: Duration(seconds: 2)),
);
hasPermission = true; // This will break the loop
break;
case PermissionStatusResult.denied:
// The user denied the permission. We show a dialog to explain why we need it
// and give them a chance to cancel or let the loop try again.
final tryAgain = await showDialog<bool>(
context: context,
builder: (context) => AlertDialog(
title: const Text("Permission Required"),
content: const Text("This app requires SMS and Phone permissions to verify your device. Please grant the permissions to continue."),
actions: [
TextButton(
child: const Text("Cancel"),
onPressed: () => Navigator.of(context).pop(false),
),
TextButton(
child: const Text("Try Again"),
onPressed: () => Navigator.of(context).pop(true),
),
],
),
);
if (tryAgain != true) {
return null; // User chose to cancel.
}
// If they chose "Try Again", the loop will repeat.
break;
case PermissionStatusResult.permanentlyDenied:
await _showPermanentlyDeniedDialog(context);
// Give user time to come back from settings
await Future.delayed(const Duration(seconds: 5));
// The loop will repeat and re-check the status.
break;
case PermissionStatusResult.restricted:
await _showRestrictedSmsDialog(context);
// Give user time to come back from settings
await Future.delayed(const Duration(seconds: 5));
// The loop will repeat and re-check the status.
break;
}
}
// --- SMS SENDING LOOP ---
// This part will only be reached if hasPermission is true.
int retries = 3;
while (retries > 0) {
var uuid = const Uuid();
String uniqueId = uuid.v4();
String smsMessage = uniqueId;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text("Attempting to send verification SMS... (${4 - retries})"), duration: const Duration(seconds: 2)),
);
bool isSmsSent = await _smsService.sendVerificationSms(
context: context,
destinationNumber: '9580079717', // Replace with your number
message: smsMessage,
);
if (isSmsSent) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text("SMS sent successfully!"), duration: Duration(seconds: 2)),
);
return uniqueId;
} else {
retries--;
if (retries > 0) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text("SMS failed to send. Retrying in 5 seconds..."), duration: Duration(seconds: 4)),
);
await Future.delayed(const Duration(seconds: 5));
}
}
}
// If all retries fail
return null;
}
}

166
lib/features/auth/screens/verification_screen.dart Normal file
View File

@@ -0,0 +1,166 @@
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:kmobile/api/services/auth_service.dart';
import 'package:kmobile/di/injection.dart';
import 'package:kmobile/features/auth/screens/sms_verification_helper.dart';
class VerificationScreen extends StatefulWidget {
final String customerNo;
final String password;
const VerificationScreen({
super.key,
required this.customerNo,
required this.password,
});
@override
State<VerificationScreen> createState() => _VerificationScreenState();
}
class _VerificationScreenState extends State<VerificationScreen> {
String _statusMessage = "Starting verification...";
Timer? _timer;
int _countdown = 120;
bool _isVerifying = false;
bool _verificationFailed = false;
@override
void initState() {
super.initState();
_startVerificationProcess();
}
@override
void dispose() {
_timer?.cancel();
super.dispose();
}
void _startTimer() {
_timer?.cancel(); // Cancel any existing timer
_countdown = 120;
_timer = Timer.periodic(const Duration(seconds: 1), (timer) {
if (_countdown > 0) {
setState(() {
_countdown--;
});
} else {
_timer?.cancel();
if (mounted) {
setState(() {
_statusMessage = "Verification timed out. Please try again.";
_isVerifying = false;
_verificationFailed = true;
});
}
}
});
}
Future<void> _startVerificationProcess() async {
setState(() {
_isVerifying = true;
_verificationFailed = false;
_statusMessage = "Starting verification...";
});
_startTimer();
// 1. Send SMS
setState(() {
_statusMessage = "SMS sending...";
});
final smsHelper = SmsVerificationHelper();
final uuid = await smsHelper.initiateSmsSequence(context: context);
if (uuid != null && mounted) {
// SMS sending was successful, now wait before verifying.
setState(() {
_statusMessage = "SMS sent. Waiting for network delivery...";
});
// Adding a 10-second delay to account for SMS network latency.
await Future.delayed(const Duration(seconds: 10));
if (!mounted) return;
// 2. Verify SIM
setState(() {
_statusMessage = "Verifying with server...";
});
final authService = getIt<AuthService>();
try {
await authService.simVerify(uuid, widget.customerNo);
setState(() {
_statusMessage = "Verification successful!";
_isVerifying = false;
});
_timer?.cancel();
// Pop with success result
Navigator.of(context).pop(true);
} catch (e) {
setState(() {
_statusMessage = " $e SIM verification failed. Please try again.";
_isVerifying = false;
_verificationFailed = true;
});
}
} else if (mounted) {
setState(() {
_statusMessage = "SMS sending failed. Please check permissions and try again.";
_isVerifying = false;
_verificationFailed = true;
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text("Device Verification"),
automaticallyImplyLeading: !_isVerifying,
),
body: Center(
child: Padding(
padding: const EdgeInsets.all(24.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
if (_isVerifying)
const CircularProgressIndicator(),
if (!_isVerifying && _verificationFailed)
const Icon(Icons.error_outline, color: Colors.red, size: 50),
if (!_isVerifying && !_verificationFailed)
const Icon(Icons.check_circle_outline, color: Colors.green, size: 50),
const SizedBox(height: 32),
Text(
_statusMessage,
textAlign: TextAlign.center,
style: const TextStyle(fontSize: 18),
),
const SizedBox(height: 16),
if (_isVerifying)
Text(
"Time remaining: $_countdown seconds",
style: const TextStyle(fontSize: 16, color: Colors.grey),
),
if (_verificationFailed && !_isVerifying) ...[
const SizedBox(height: 20),
ElevatedButton(
onPressed: _startVerificationProcess,
child: const Text('Retry'),
),
]
],
),
),
),
);
}
}

18
pubspec.lock
View File

@@ -773,6 +773,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "3.0.0"
send_message:
dependency: "direct main"
description:
name: send_message
sha256: "79b5f69fd3ab0b9e6265f8d972800d7989b3082a0523c7f4b8e38bf4e1c71235"
url: "https://pub.dev"
source: hosted
version: "1.0.2"
share_plus:
dependency: "direct main"
description:
@@ -861,6 +869,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "2.1.1"
simcards:
dependency: "direct main"
description:
name: simcards
sha256: b621cc265ebbb3e11009ca9be67063efbc011396c4224aff8b08edaba30fa5ae
url: "https://pub.dev"
source: hosted
version: "0.0.1"
sky_engine:
dependency: transitive
description: flutter
@@ -1003,7 +1019,7 @@ packages:
source: hosted
version: "3.1.4"
uuid:
dependency: transitive
dependency: "direct main"
description:
name: uuid
sha256: a5be9ef6618a7ac1e964353ef476418026db906c4facdedaa299b7a2e71690ff

5
pubspec.yaml
View File

@@ -34,7 +34,7 @@ dependencies:
cupertino_icons: ^1.0.6
jailbreak_root_detection: ^1.1.6
equatable: ^2.0.7
dio: ^5.8.0+1
dio: ^5.9.0
flutter_secure_storage: ^9.2.4
bloc: ^9.0.0
flutter_bloc: ^9.1.0
@@ -63,6 +63,9 @@ dependencies:
package_info_plus: ^4.2.0
flutter_local_notifications: ^19.5.0
open_filex: ^4.7.0
simcards: ^0.0.1
uuid: ^4.5.1
send_message: ^1.0.0
# jailbreak_root_detection: "^1.1.6"