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Fixing QrCode scan and related contact creation (#22)
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Reviewed-on: icing/G-EIP-700-TLS-7-1-eip-stephane.corbiere#22
This commit is contained in:
stcb 2025-01-12 12:31:44 +00:00
parent 0da5e27830
commit 7b5448905c
3 changed files with 63 additions and 126 deletions
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19
dialer/lib/features/contacts/contact_state.dart
View File

@ -102,6 +102,25 @@ class _ContactStateState extends State<ContactState> {
});
}
bool doesContactExist(Contact contact) {
// Example: consider it "existing" if there's a matching phone number
for (final existing in _allContacts) {
if (existing.toVCard() == contact.toVCard()) {
return true;
}
// for (final phone in existing.phones) {
// for (final newPhone in contact.phones) {
// // Simple exact match; you can do more advanced logic
// if (phone.normalizedNumber == newPhone.normalizedNumber) {
// return true;
// }
// }
// } We might switch to finer and smarter logic later, ex: remove trailing spaces, capitals
}
return false;
}
@override
Widget build(BuildContext context) {
return _InheritedContactState(

49
dialer/lib/features/contacts/widgets/add_contact_button.dart
View File

@ -1,22 +1,14 @@
import 'package:android_intent_plus/android_intent.dart';
import 'package:dialer/widgets/qr_scanner.dart';
import 'package:flutter/material.dart';
import 'package:flutter_contacts/flutter_contacts.dart';
class AddContactButton extends StatelessWidget {
const AddContactButton({super.key});
Future<void> createNewContact() async {
AndroidIntent intent = AndroidIntent(
action: 'android.intent.action.INSERT',
type: 'vnd.android.cursor.dir/contact',
);
await intent.launch();
}
@override
Widget build(BuildContext context) {
return IconButton(
icon: Icon(Icons.add, color: Colors.blue),
icon: const Icon(Icons.add, color: Colors.blue),
onPressed: () {
showDialog(
context: context,
@ -28,22 +20,37 @@ class AddContactButton extends StatelessWidget {
mainAxisSize: MainAxisSize.min,
children: [
TextButton(
onPressed: () {
Navigator.of(context).pop();
Navigator.push(
context,
MaterialPageRoute(builder: (context) => QRCodeScannerScreen()),
);
},
child: Text("Scan QR code", style: TextStyle(color: Colors.white)),
),
onPressed: () async {
Navigator.of(context).pop(); // close dialog
// Go to QR Scanner
final vCardString = await Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const QRCodeScannerScreen(),
),
);
if (vCardString != null && vCardString is String) {
await FlutterContacts.openExternalInsert(Contact
.fromVCard(vCardString));
}
},
child: const Text(
"Scan QR code",
style: TextStyle(color: Colors.white),
),
),
TextButton(
onPressed: () async {
createNewContact();
Navigator.of(context).pop();
// Create a blank contact entry
await FlutterContacts.openExternalInsert();
},
child: Text("Create new contact", style: TextStyle(color: Colors.white)),
child: const Text(
"Create new contact",
style: TextStyle(color: Colors.white),
),
),
],
),

121
dialer/lib/widgets/qr_scanner.dart
View File

@ -1,6 +1,5 @@
import 'package:flutter/material.dart';
import 'package:mobile_scanner/mobile_scanner.dart';
import 'package:flutter_contacts/flutter_contacts.dart';
class QRCodeScannerScreen extends StatefulWidget {
const QRCodeScannerScreen({Key? key}) : super(key: key);
@ -10,8 +9,7 @@ class QRCodeScannerScreen extends StatefulWidget {
}
class _QRCodeScannerScreenState extends State<QRCodeScannerScreen> {
MobileScannerController cameraController = MobileScannerController();
final MobileScannerController cameraController = MobileScannerController();
bool isScanning = true;
@override
@ -20,104 +18,22 @@ class _QRCodeScannerScreenState extends State<QRCodeScannerScreen> {
super.dispose();
}
Future<void> _createContactFromVCard(String vCardData) async {
// Parse VCard data
final Map<String, dynamic> contactInfo = _parseVCard(vCardData);
debugPrint("contactInfo: $contactInfo");
// // Create a new contact
// Contact newContact = Contact();
//
// // Set contact's name
// newContact.name = Name(
// first: contactInfo['firstName'] ?? '',
// last: contactInfo['lastName'] ?? '',
// );
//
// // Set contact's phone numbers
// if (contactInfo['phone'] != null) {
// newContact.phones = [
// Phone(contactInfo['phone'], label: PhoneLabel.mobile),
// ];
// }
//
// // Set contact's emails
// if (contactInfo['email'] != null) {
// newContact.emails = [
// Email(contactInfo['email'], label: EmailLabel.home),
// ];
// }
//
// // Request permission to write contacts
// bool permission = await FlutterContacts.requestPermission(readonly: false);
// if (!permission) {
// // Handle permission denied
// ScaffoldMessenger.of(context).showSnackBar(
// SnackBar(content: Text('Contacts permission denied')),
// );
// return;
// }
//
// // Save the contact
// await newContact.insert();
}
Map<String, dynamic> _parseVCard(String vCardData) {
// Simple parser for VCard data
final Map<String, dynamic> contactInfo = {};
final lines = vCardData.split(RegExp(r'\r?\n'));
for (var line in lines) {
if (line.startsWith('FN:')) {
contactInfo['fullName'] = line.substring(3).trim();
} else if (line.startsWith('N:')) {
final names = line.substring(2).split(';');
contactInfo['lastName'] = names[0].trim();
contactInfo['firstName'] = names.length > 1 ? names[1].trim() : '';
} else if (line.startsWith('TEL:')) {
contactInfo['phone'] = line.substring(4).trim();
} else if (line.startsWith('EMAIL:')) {
contactInfo['email'] = line.substring(6).trim();
}
// Add more fields as needed
}
return contactInfo;
}
void _showContactAddedDialog() {
showDialog(
context: context,
builder: (context) => AlertDialog(
title: Text('Contact Added'),
content: Text('The contact has been added to your address book.'),
actions: [
TextButton(
onPressed: () {
Navigator.of(context).pop(); // Close dialog
Navigator.of(context).pop(); // Go back to previous screen
},
child: Text('OK'),
),
],
),
);
}
void _showInvalidQRDialog() {
showDialog(
context: context,
builder: (context) => AlertDialog(
title: Text('Invalid QR Code'),
content: Text('The scanned QR code does not contain valid contact information.'),
title: const Text('Invalid QR Code'),
content:
const Text('The scanned QR code does not contain valid vCard data.'),
actions: [
TextButton(
onPressed: () {
Navigator.of(context).pop(); // Close dialog
isScanning = true; // Resume scanning
setState(() {
isScanning = true; // Resume scanning
});
},
child: Text('Try Again'),
child: const Text('Try Again'),
),
],
),
@ -128,32 +44,27 @@ class _QRCodeScannerScreenState extends State<QRCodeScannerScreen> {
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Scan Contact QR Code'),
title: const Text('Scan Contact QR Code'),
),
body: MobileScanner(
controller: cameraController,
// allowDuplicates: false, // or true, depending on your preference
onDetect: (capture) {
if (!isScanning) return;
isScanning = false; // Stop multiple triggers
isScanning = false; // Prevent multiple scans
final List<Barcode> barcodes = capture.barcodes;
for (final barcode in barcodes) {
final String? code = barcode.rawValue;
// If the QR code contains 'BEGIN:VCARD', let's assume it's a valid vCard
if (code != null && code.contains('BEGIN:VCARD')) {
// Handle valid vCard QR code
_createContactFromVCard(code);
_showContactAddedDialog(); // TODO: Be a confirmation button "do you want to add XXX to your contacts?"
break;
Navigator.pop(context, code); // pop back with the full vCard text
return;
}
}
if (!barcodes.any((barcode) =>
barcode.rawValue != null && barcode.rawValue!.contains('BEGIN:VCARD'))) {
// If no valid QR code is found
_showInvalidQRDialog();
isScanning = true; // Allow scanning again for invalid QR codes
}
// If no valid vCard was found in any of the barcodes
_showInvalidQRDialog();
},
),
);