From 7e2f2a5d3bb4a9f1c19c72d2b1d354324d35857d Mon Sep 17 00:00:00 2001
From: stcb <21@stcb.cc>
Date: Fri, 29 Nov 2024 09:14:46 +0200
Subject: [PATCH] Add contact OK, working on qr scan

---
 android/app/src/debug/AndroidManifest.xml     |   1 +
 android/app/src/main/AndroidManifest.xml      |   3 +-
 android/app/src/profile/AndroidManifest.xml   |   2 +
 android/gradle.properties                     |   1 +
 lib/features/contacts/contact_state.dart      |   5 +-
 .../contacts/widgets/add_contact_button.dart  |  27 ++-
 .../widgets/alphabet_scroll_page.dart         |   3 +-
 lib/features/history/history_page.dart        |   3 +-
 lib/widgets/loading_indicator.dart            |   2 +-
 lib/widgets/qr_scanner.dart                   | 161 ++++++++++++++++++
 pubspec.yaml                                  |   5 +-
 11 files changed, 197 insertions(+), 16 deletions(-)
 create mode 100644 lib/widgets/qr_scanner.dart

diff --git a/android/app/src/debug/AndroidManifest.xml b/android/app/src/debug/AndroidManifest.xml
index 5d1c075..9d570eb 100644
--- a/android/app/src/debug/AndroidManifest.xml
+++ b/android/app/src/debug/AndroidManifest.xml
@@ -1,6 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.READ_CONTACTS"/>
     <uses-permission android:name="android.permission.WRITE_CONTACTS"/>
+    <uses-feature android:name="android.hardware.camera" android:required="false" />
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 90fbbef..90bf154 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -4,7 +4,8 @@
     <application
         android:label="com.example.dialer"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/ic_launcher"
+        android:enableOnBackInvokedCallback="true">
         <activity
             android:name=".MainActivity"
             android:exported="true"
diff --git a/android/app/src/profile/AndroidManifest.xml b/android/app/src/profile/AndroidManifest.xml
index 5d1c075..01dbfc9 100644
--- a/android/app/src/profile/AndroidManifest.xml
+++ b/android/app/src/profile/AndroidManifest.xml
@@ -1,6 +1,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.READ_CONTACTS"/>
     <uses-permission android:name="android.permission.WRITE_CONTACTS"/>
+    <uses-permission android:name="android.permission.CAMERA"/>
+    <uses-feature android:name="android.hardware.camera" android:required="false" />
     <!-- The INTERNET permission is required for development. Specifically,
          the Flutter tool needs it to communicate with the running application
          to allow setting breakpoints, to provide hot reload, etc.
diff --git a/android/gradle.properties b/android/gradle.properties
index 2597170..8371d42 100644
--- a/android/gradle.properties
+++ b/android/gradle.properties
@@ -1,3 +1,4 @@
 org.gradle.jvmargs=-Xmx4G -XX:MaxMetaspaceSize=2G -XX:+HeapDumpOnOutOfMemoryError
 android.useAndroidX=true
 android.enableJetifier=true
+dev.steenbakker.mobile_scanner.useUnbundled=true
diff --git a/lib/features/contacts/contact_state.dart b/lib/features/contacts/contact_state.dart
index a33a2ab..45ab56a 100644
--- a/lib/features/contacts/contact_state.dart
+++ b/lib/features/contacts/contact_state.dart
@@ -5,7 +5,7 @@ import 'contact_service.dart';
 class ContactState extends StatefulWidget {
   final Widget child;
 
-  const ContactState({Key? key, required this.child}) : super(key: key);
+  const ContactState({super.key, required this.child});
 
   static _ContactStateState of(BuildContext context) {
     return context.dependOnInheritedWidgetOfExactType<_InheritedContactState>()!.data;
@@ -92,8 +92,7 @@ class _ContactStateState extends State<ContactState> {
 class _InheritedContactState extends InheritedWidget {
   final _ContactStateState data;
 
-  const _InheritedContactState({Key? key, required this.data, required Widget child})
-      : super(key: key, child: child);
+  const _InheritedContactState({required this.data, required super.child});
 
   @override
   bool updateShouldNotify(_InheritedContactState oldWidget) => true;
diff --git a/lib/features/contacts/widgets/add_contact_button.dart b/lib/features/contacts/widgets/add_contact_button.dart
index 2f6aa65..e096a6c 100644
--- a/lib/features/contacts/widgets/add_contact_button.dart
+++ b/lib/features/contacts/widgets/add_contact_button.dart
@@ -1,14 +1,23 @@
+import 'package:android_intent_plus/android_intent.dart';
+import 'package:dialer/widgets/qr_scanner.dart';
 import 'package:flutter/material.dart';
 
 class AddContactButton extends StatelessWidget {
-  const AddContactButton({Key? key}) : super(key: key);
+  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),
       onPressed: () {
-        // Show pop-up with two mock choices
         showDialog(
           context: context,
           barrierDismissible: true, // Allows dismissal by tapping outside
@@ -21,16 +30,20 @@ class AddContactButton extends StatelessWidget {
                   TextButton(
                     onPressed: () {
                       Navigator.of(context).pop();
-                      // Action for Option 1
+                      Navigator.push(
+                        context,
+                        MaterialPageRoute(builder: (context) => QRCodeScannerScreen()),
+                      );
                     },
-                    child: Text("Option 1", style: TextStyle(color: Colors.white)),
+                    child: Text("Scan QR code", style: TextStyle(color: Colors.white)),
                   ),
+
                   TextButton(
-                    onPressed: () {
+                    onPressed: () async {
+                      createNewContact();
                       Navigator.of(context).pop();
-                      // Action for Option 2
                     },
-                    child: Text("Option 2", style: TextStyle(color: Colors.white)),
+                    child: Text("Create new contact", style: TextStyle(color: Colors.white)),
                   ),
                 ],
               ),
diff --git a/lib/features/contacts/widgets/alphabet_scroll_page.dart b/lib/features/contacts/widgets/alphabet_scroll_page.dart
index e19b779..5bf096b 100644
--- a/lib/features/contacts/widgets/alphabet_scroll_page.dart
+++ b/lib/features/contacts/widgets/alphabet_scroll_page.dart
@@ -1,5 +1,4 @@
 import 'package:dialer/widgets/username_color_generator.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_contacts/flutter_contacts.dart';
 import '../../../widgets/color_darkener.dart';
@@ -11,7 +10,7 @@ class AlphabetScrollPage extends StatefulWidget {
   final List<Contact> contacts;
   final double scrollOffset;
 
-  const AlphabetScrollPage({Key? key, required this.contacts, required this.scrollOffset}) : super(key: key);
+  const AlphabetScrollPage({super.key, required this.contacts, required this.scrollOffset});
 
   @override
   _AlphabetScrollPageState createState() => _AlphabetScrollPageState();
diff --git a/lib/features/history/history_page.dart b/lib/features/history/history_page.dart
index c1e378c..fd030ae 100644
--- a/lib/features/history/history_page.dart
+++ b/lib/features/history/history_page.dart
@@ -1,4 +1,3 @@
-import 'package:dialer/features/contacts/contact_service.dart';
 import 'package:flutter/material.dart';
 
 
@@ -24,6 +23,8 @@ class _HistoryPageState extends State<HistoryPage> {
       body: ListView.builder(
         itemCount: histories.length,
         itemBuilder: (context, index) {
+          return null;
+        
           //
         },
       ),
diff --git a/lib/widgets/loading_indicator.dart b/lib/widgets/loading_indicator.dart
index 59e2409..ecb22c1 100644
--- a/lib/widgets/loading_indicator.dart
+++ b/lib/widgets/loading_indicator.dart
@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 
 class LoadingIndicatorWidget extends StatelessWidget {
-  const LoadingIndicatorWidget({Key? key}) : super(key: key);
+  const LoadingIndicatorWidget({super.key});
 
   @override
   Widget build(BuildContext context) {
diff --git a/lib/widgets/qr_scanner.dart b/lib/widgets/qr_scanner.dart
new file mode 100644
index 0000000..fcdf295
--- /dev/null
+++ b/lib/widgets/qr_scanner.dart
@@ -0,0 +1,161 @@
+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);
+
+  @override
+  _QRCodeScannerScreenState createState() => _QRCodeScannerScreenState();
+}
+
+class _QRCodeScannerScreenState extends State<QRCodeScannerScreen> {
+  MobileScannerController cameraController = MobileScannerController();
+
+  bool isScanning = true;
+
+  @override
+  void dispose() {
+    cameraController.dispose();
+    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.'),
+        actions: [
+          TextButton(
+            onPressed: () {
+              Navigator.of(context).pop(); // Close dialog
+              isScanning = true; // Resume scanning
+            },
+            child: Text('Try Again'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Scan Contact QR Code'),
+      ),
+      body: MobileScanner(
+        controller: cameraController,
+        onDetect: (capture) {
+          if (!isScanning) return;
+
+          isScanning = false; // Prevent multiple scans
+          final List<Barcode> barcodes = capture.barcodes;
+
+          for (final barcode in barcodes) {
+            final String? code = barcode.rawValue;
+            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;
+            }
+          }
+
+          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
+          }
+        },
+      ),
+    );
+  }
+}
diff --git a/pubspec.yaml b/pubspec.yaml
index f38aaac..3292ca9 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -36,9 +36,12 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.8
   flutter_contacts: ^1.1.9+2
-  permission_handler: ^10.2.0 # For handling permissions
+  permission_handler: ^11.3.1 # For handling permissions
   cached_network_image: ^3.2.3 # For caching contact images
   qr_flutter: ^4.1.0
+  android_intent_plus: ^5.2.0
+  camera: ^0.10.0+2
+  mobile_scanner: ^6.0.2
 
 dev_dependencies:
   flutter_test: