feat: trigger call from app (from composition page and contact modal) (#38)

Reviewed-on: #38
Co-authored-by: Florian Griffon <florian.griffon@epitech.eu>
Co-committed-by: Florian Griffon <florian.griffon@epitech.eu>

dialer/android/app/src/main/AndroidManifest.xml

@@ -15,7 +15,7 @@
         android:icon="@mipmap/ic_launcher"
         android:enableOnBackInvokedCallback="true">
         <activity
-            android:name=".MainActivity"
+            android:name=".activities.MainActivity"
             android:exported="true"
             android:launchMode="singleTop"
             android:taskAffinity=""

dialer/android/app/src/main/kotlin/com/icing/dialer/activities/MainActivity.kt

@@ -1,22 +1,46 @@
-package com.icing.dialer
+package com.icing.dialer.activities
 
 import android.database.Cursor
 import android.os.Bundle
 import android.provider.CallLog
 import io.flutter.embedding.android.FlutterActivity
 import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodCall
 import io.flutter.plugin.common.MethodChannel
 import com.icing.dialer.KeystoreHelper
+import com.icing.dialer.services.CallService
 
 class MainActivity: FlutterActivity() {
     // Existing channel for keystore operations.
     private val KEYSTORE_CHANNEL = "com.example.keystore"
     // New channel for call log access.
     private val CALLLOG_CHANNEL = "com.example.calllog"
+    
+    private val CALL_CHANNEL = "call_service"
 
     override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
         super.configureFlutterEngine(flutterEngine)
 
+        // Call service channel
+        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CALL_CHANNEL).setMethodCallHandler { call, result ->
+            when (call.method) {
+                "makeGsmCall" -> {
+                    val phoneNumber = call.argument<String>("phoneNumber")
+                    if (phoneNumber != null) {
+                        CallService.makeGsmCall(this, phoneNumber)
+                        result.success("Calling $phoneNumber")
+                    } else {
+                        result.error("INVALID_PHONE_NUMBER", "Phone number is required", null)
+                    }
+                }
+                "hangUpCall" -> {
+                    CallService.hangUpCall(this)
+                    result.success("Call ended")
+                }
+                else -> result.notImplemented()
+            }
+        }
+
         // Set up the keystore channel.
         MethodChannel(flutterEngine.dartExecutor.binaryMessenger, KEYSTORE_CHANNEL)
             .setMethodCallHandler { call, result ->

dialer/android/app/src/main/kotlin/com/icing/dialer/services/CallService.kt

@@ -0,0 +1,30 @@
+package com.icing.dialer.services
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.telecom.TelecomManager
+import android.os.Build
+import android.util.Log
+
+object CallService {
+    
+    fun makeGsmCall(context: Context, phoneNumber: String) {
+        try {
+            val intent = Intent(Intent.ACTION_CALL)
+            intent.data = Uri.parse("tel:$phoneNumber")
+            context.startActivity(intent)
+        } catch (e: Exception) {
+            Log.e("CallService", "Error making GSM call: ${e.message}")
+        }
+    }
+
+    fun hangUpCall(context: Context) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            val telecomManager = context.getSystemService(Context.TELECOM_SERVICE) as TelecomManager
+            telecomManager.endCall()
+        } else {
+            Log.e("CallService", "Hangup call is only supported on Android P or later.")
+        }
+    }
+}

dialer/lib/features/composition/composition.dart

@@ -1,10 +1,9 @@
-// lib/pages/composition_page.dart
-
 import 'package:flutter/material.dart';
 import 'package:flutter_contacts/flutter_contacts.dart';
 import 'package:url_launcher/url_launcher.dart';
 import '../../services/contact_service.dart';
 import '../../services/obfuscate_service.dart'; // Import ObfuscateService
+import '../../services/call_service.dart'; // Import the CallService
 import '../contacts/widgets/add_contact_button.dart';
 
 class CompositionPage extends StatefulWidget {
@@ -23,6 +22,9 @@ class _CompositionPageState extends State<CompositionPage> {
   // Instantiate the ObfuscateService
   final ObfuscateService _obfuscateService = ObfuscateService();
 
+  // Instantiate the CallService
+  final CallService _callService = CallService();
+
   @override
   void initState() {
     super.initState();
@@ -71,13 +73,15 @@ class _CompositionPageState extends State<CompositionPage> {
     });
   }
 
-  // Function to call a contact's number
-  void _launchPhoneDialer(String phoneNumber) async {
-    final uri = Uri(scheme: 'tel', path: phoneNumber);
-    if (await canLaunchUrl(uri)) {
-      await launchUrl(uri);
-    } else {
-      debugPrint('Could not launch $phoneNumber');
+  // Function to call a contact's number using the CallService
+  void _makeCall(String phoneNumber) async {
+    try {
+      await _callService.makeGsmCall(phoneNumber);
+      setState(() {
+        dialedNumber = phoneNumber;
+      });
+    } catch (e) {
+      debugPrint("Error making call: $e");
     }
   }
 
@@ -128,13 +132,13 @@ class _CompositionPageState extends State<CompositionPage> {
                               trailing: Row(
                                 mainAxisSize: MainAxisSize.min,
                                 children: [
-                                  // Call button
+                                  // Call button (Now using CallService)
                                   IconButton(
                                     icon: Icon(Icons.phone,
                                         color: Colors.green[300],
                                         size: 20),
                                     onPressed: () {
-                                      _launchPhoneDialer(phoneNumber);
+                                      _makeCall(phoneNumber); // Make a call using CallService
                                     },
                                   ),
                                   // Message button

dialer/lib/features/contacts/widgets/contact_modal.dart

@@ -5,6 +5,7 @@ import 'package:url_launcher/url_launcher.dart';
 import 'package:dialer/widgets/username_color_generator.dart';
 import '../../../services/block_service.dart';
 import '../../../services/contact_service.dart';
+import '../../../services/call_service.dart'; // Import CallService
 
 class ContactModal extends StatefulWidget {
   final Contact contact;
@@ -28,6 +29,7 @@ class _ContactModalState extends State<ContactModal> {
   late String phoneNumber;
   bool isBlocked = false;
   final ObfuscateService _obfuscateService = ObfuscateService();
+  final CallService _callService = CallService(); // Instantiate CallService
 
   @override
   void initState() {
@@ -258,9 +260,9 @@ class _ContactModalState extends State<ContactModal> {
                       _obfuscateService.obfuscateData(phoneNumber),
                       style: const TextStyle(color: Colors.white),
                     ),
-                    onTap: () {
+                    onTap: () async {
                       if (widget.contact.phones.isNotEmpty) {
-                        _launchPhoneDialer(phoneNumber);
+                        await _callService.makeGsmCall(phoneNumber);
                       }
                     },
                   ),
@@ -329,12 +331,11 @@ class _ContactModalState extends State<ContactModal> {
                             icon: Icon(
                                 isBlocked ? Icons.block : Icons.block_flipped),
                             label: Text(isBlocked ? 'Unblock' : 'Block'),
-                            ),
                           ),
+                        ),
                       ],
                     ),
                   ),
-
                   const SizedBox(height: 16),
                 ],
               ),

dialer/lib/services/call_service.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/services.dart';
+
+// Service to manage call-related operations
+class CallService {
+  static const MethodChannel _channel = MethodChannel('call_service');
+
+  // Function to make a GSM call
+  Future<void> makeGsmCall(String phoneNumber) async {
+    try {
+      await _channel.invokeMethod('makeGsmCall', {"phoneNumber": phoneNumber});
+    } catch (e) {
+      print("Error making call: $e");
+      rethrow;
+    }
+  }
+
+  // Function to hang up the current call
+  Future<void> hangUpCall() async {
+    try {
+      await _channel.invokeMethod('hangUpCall');
+    } catch (e) {
+      print("Error hanging up call: $e");
+      rethrow;
+    }
+  }
+}