add

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

@@ -1,52 +1,49 @@
 <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.CALL_PHONE" />
-    <uses-permission android:name="android.permission.SEND_SMS" />
-    <uses-permission android:name="android.permission.READ_BLOCKED_NUMBERS" />
-    <uses-permission android:name="android.permission.WRITE_BLOCKED_NUMBERS" />
-    <application
-        android:label="Icing Dialer"
-        android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher"
-        android:enableOnBackInvokedCallback="true">
-        <activity
-            android:name=".MainActivity"
-            android:exported="true"
-            android:launchMode="singleTop"
-            android:taskAffinity=""
-            android:theme="@style/LaunchTheme"
-            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
-            android:hardwareAccelerated="true"
-            android:windowSoftInputMode="adjustResize">
-            <!-- Specifies an Android theme to apply to this Activity as soon as
-                 the Android process has started. This theme is visible to the user
-                 while the Flutter UI initializes. After that, this theme continues
-                 to determine the Window background behind the Flutter UI. -->
-            <meta-data
-              android:name="io.flutter.embedding.android.NormalTheme"
-              android:resource="@style/NormalTheme"
-              />
+    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
+    <uses-permission android:name="android.permission.CALL_PHONE"/>
+    <uses-permission android:name="android.permission.ANSWER_PHONE_CALLS"/>
+    <uses-permission android:name="android.permission.SEND_SMS"/>
+    <uses-permission android:name="android.permission.READ_BLOCKED_NUMBERS"/>
+    <uses-permission android:name="android.permission.WRITE_BLOCKED_NUMBERS"/>
+    <uses-permission android:name="android.permission.MANAGE_OWN_CALLS"/>
+    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
+    <uses-permission android:name="android.permission.BIND_TELECOM_CONNECTION_SERVICE" />
+    <application android:label="Icing Dialer" android:name="${applicationName}" android:icon="@mipmap/ic_launcher" android:enableOnBackInvokedCallback="true">
+        <activity android:name=".MainActivity" android:exported="true" android:launchMode="singleTop" android:taskAffinity="" android:theme="@style/LaunchTheme" android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode" android:hardwareAccelerated="true" android:windowSoftInputMode="adjustResize">
+            <!--  Specifies an Android theme to apply to this Activity as soon as
+                             the Android process has started. This theme is visible to the user
+                             while the Flutter UI initializes. After that, this theme continues
+                             to determine the Window background behind the Flutter UI.  -->
+            <meta-data android:name="io.flutter.embedding.android.NormalTheme" android:resource="@style/NormalTheme"/>
             <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <category android:name="android.intent.category.LAUNCHER"/>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.DIAL" />
+                <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
         </activity>
-        <!-- Don't delete the meta-data below.
-             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
-        <meta-data
-            android:name="flutterEmbedding"
-            android:value="2" />
+        <service android:name=".MyConnectionService" android:label="My Connection Service" android:permission="android.permission.BIND_TELECOM_CONNECTION_SERVICE" android:exported="true">
+            <intent-filter>
+                <action android:name="android.telecom.ConnectionService"/>
+            </intent-filter>
+        </service>
+        <!--  Don't delete the meta-data below.
+                     This is used by the Flutter tool to generate GeneratedPluginRegistrant.java  -->
+        <meta-data android:name="flutterEmbedding" android:value="2"/>
     </application>
-    <!-- Required to query activities that can process text, see:
-         https://developer.android.com/training/package-visibility and
-         https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
+    <!--  Required to query activities that can process text, see:
+             https://developer.android.com/training/package-visibility and
+             https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
 
-         In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
+             In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin.  -->
     <queries>
         <intent>
             <action android:name="android.intent.action.PROCESS_TEXT"/>
             <data android:mimeType="text/plain"/>
         </intent>
     </queries>
-</manifest>
+</manifest>

dialer/android/app/src/main/kotlin/com/example/dialer/MainActivity.kt

@@ -1,5 +1,218 @@
 package com.example.dialer
 
+import android.app.role.RoleManager
+import android.content.BroadcastReceiver
+import android.content.ComponentName
+import android.content.Context
+import android.content.Intent
+import android.content.IntentFilter
+import android.content.pm.PackageManager
+import android.os.Build
+import android.os.Bundle
+import android.os.Handler
+import android.telecom.PhoneAccount
+import android.telecom.PhoneAccountHandle
+import android.telecom.TelecomManager
+import android.util.Log
+import androidx.core.app.ActivityCompat
+import androidx.core.content.ContextCompat
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodChannel
 
-class MainActivity: FlutterActivity()
+class MainActivity : FlutterActivity() {
+    private val CHANNEL = "com.example.dialer/call_events"
+    private lateinit var methodChannel: MethodChannel
+
+    // Request code for the default-dialer request.
+    private val DEFAULT_DIALER_REQUEST_CODE = 1001
+
+    // Request code for runtime permissions.
+    private val PERMISSION_REQUEST_CODE = 1002
+
+    // BroadcastReceiver to catch incoming call events from our ConnectionService.
+    private val incomingCallReceiver = object : BroadcastReceiver() {
+        override fun onReceive(context: Context?, intent: Intent?) {
+            val phoneNumber = intent?.getStringExtra("phoneNumber") ?: "Unknown"
+            notifyIncomingCall(phoneNumber)
+        }
+    }
+
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+        methodChannel = MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL)
+        methodChannel.setMethodCallHandler { call, result ->
+            when (call.method) {
+                "requestDefaultDialer" -> {
+                    requestDefaultDialer()
+                    result.success(null)
+                }
+                else -> result.notImplemented()
+            }
+        }
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        // Request runtime permissions.
+        checkAndRequestPermissions()
+
+        // Create the intent filter for incoming calls.
+        val filter = IntentFilter("com.example.dialer.INCOMING_CALL")
+        // Register the receiver. (For Android 13+ we must specify not exported.)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            registerReceiver(incomingCallReceiver, filter, Context.RECEIVER_NOT_EXPORTED)
+        } else {
+            registerReceiver(incomingCallReceiver, filter)
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        unregisterReceiver(incomingCallReceiver)
+    }
+
+    override fun onResume() {
+        super.onResume()
+        // Check if we are now the default dialer and update the UI accordingly.
+        if (isDefaultDialer()) {
+            registerManagedPhoneAccount()
+            notifyDefaultDialerSet()
+        }
+    }
+
+    private fun isDefaultDialer(): Boolean {
+        return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            val roleManager = getSystemService(RoleManager::class.java)
+            roleManager.isRoleHeld(RoleManager.ROLE_DIALER)
+        } else {
+            val telecomManager = getSystemService(TELECOM_SERVICE) as TelecomManager
+            telecomManager.defaultDialerPackage == packageName
+        }
+    }
+
+    // Request to become the default dialer.
+    private fun requestDefaultDialer() {
+        try {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+                // Use the RoleManager API for Android Q and above.
+                val roleManager = getSystemService(RoleManager::class.java)
+                if (!roleManager.isRoleHeld(RoleManager.ROLE_DIALER)) {
+                    val intent = roleManager.createRequestRoleIntent(RoleManager.ROLE_DIALER)
+                    startActivityForResult(intent, DEFAULT_DIALER_REQUEST_CODE)
+                    Log.d("MainActivity", "Requested ROLE_DIALER via RoleManager")
+                } else {
+                    Log.d("MainActivity", "Already default dialer (ROLE_DIALER held)")
+                    registerManagedPhoneAccount()
+                    notifyDefaultDialerSet()
+                }
+            } else {
+                // Fallback for older versions.
+                val telecomManager = getSystemService(TELECOM_SERVICE) as TelecomManager
+                if (telecomManager.defaultDialerPackage != packageName) {
+                    val intent = Intent(TelecomManager.ACTION_CHANGE_DEFAULT_DIALER)
+                    intent.putExtra(TelecomManager.EXTRA_CHANGE_DEFAULT_DIALER_PACKAGE_NAME, packageName)
+                    startActivityForResult(intent, DEFAULT_DIALER_REQUEST_CODE)
+                    Log.d("MainActivity", "Requested default dialer via TelecomManager")
+                } else {
+                    registerManagedPhoneAccount()
+                    notifyDefaultDialerSet()
+                }
+            }
+        } catch (ex: Exception) {
+            Log.e("MainActivity", "Error requesting default dialer", ex)
+        }
+    }
+
+    // Handle the result from the default-dialer role request.
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        if (requestCode == DEFAULT_DIALER_REQUEST_CODE) {
+            Log.d("MainActivity", "onActivityResult received: resultCode=$resultCode")
+            when (resultCode) {
+                RESULT_OK -> {
+                    Log.d("MainActivity", "User granted default dialer role")
+                    Handler(mainLooper).postDelayed({
+                        if (isDefaultDialer()) {
+                            Log.d("MainActivity", "Default dialer successfully set")
+                            registerManagedPhoneAccount()
+                            notifyDefaultDialerSet()
+                        } else {
+                            Log.d("MainActivity", "Default dialer not set")
+                            // Notify Flutter that the default dialer role was not set
+                            methodChannel.invokeMethod("onDefaultDialerNotSet", null)
+                        }
+                    }, 500)
+                }
+                RESULT_CANCELED -> {
+                    Log.d("MainActivity", "User denied default dialer role")
+                    // Notify Flutter that the user denied the request
+                    methodChannel.invokeMethod("onDefaultDialerDenied", null)
+                }
+                else -> {
+                    Log.d("MainActivity", "Unknown resultCode: $resultCode")
+                }
+            }
+        }
+    }
+
+    // Register a managed PhoneAccount with the TelecomManager.
+    private fun registerManagedPhoneAccount() {
+        val telecomManager = getSystemService(TELECOM_SERVICE) as TelecomManager
+        val phoneAccountHandle = PhoneAccountHandle(
+            ComponentName(this, MyConnectionService::class.java),
+            "MyPhoneAccountID"
+        )
+        val phoneAccount = PhoneAccount.builder(phoneAccountHandle, "Icing Dialer")
+            .setCapabilities(PhoneAccount.CAPABILITY_CALL_PROVIDER)
+            .setShortDescription("Icing Custom Dialer")
+            .build()
+        telecomManager.registerPhoneAccount(phoneAccount)
+        Log.d("MainActivity", "PhoneAccount registered")
+    }
+
+    // Notify Flutter that we are now the default dialer.
+    private fun notifyDefaultDialerSet() {
+        methodChannel.invokeMethod("onDefaultDialerSet", null)
+    }
+
+    // Notify Flutter of an incoming call.
+    private fun notifyIncomingCall(phoneNumber: String) {
+        methodChannel.invokeMethod("onIncomingCall", phoneNumber)
+    }
+
+    // Check and request runtime permissions.
+    private fun checkAndRequestPermissions() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+            val permissionsNeeded = mutableListOf<String>()
+            val permissionsToRequest = mutableListOf<String>()
+
+            // Check if permissions are granted
+            if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
+                permissionsToRequest.add(android.Manifest.permission.READ_PHONE_STATE)
+            }
+            if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
+                permissionsToRequest.add(android.Manifest.permission.CALL_PHONE)
+            }
+            if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.ANSWER_PHONE_CALLS) != PackageManager.PERMISSION_GRANTED) {
+                permissionsToRequest.add(android.Manifest.permission.ANSWER_PHONE_CALLS)
+            }
+
+            // Request permissions if needed
+            if (permissionsToRequest.isNotEmpty()) {
+                ActivityCompat.requestPermissions(this, permissionsToRequest.toTypedArray(), PERMISSION_REQUEST_CODE)
+            }
+        }
+    }
+
+    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<String>, grantResults: IntArray) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults)
+        if (requestCode == PERMISSION_REQUEST_CODE) {
+            if (grantResults.all { it == PackageManager.PERMISSION_GRANTED }) {
+                Log.d("MainActivity", "All permissions granted")
+            } else {
+                Log.d("MainActivity", "Some permissions denied")
+            }
+        }
+    }
+}

dialer/android/app/src/main/kotlin/com/example/dialer/MyConnection.kt

@@ -0,0 +1,30 @@
+// File: android/app/src/main/kotlin/com/example/dialer/MyConnection.kt
+package com.example.dialer
+
+import android.telecom.Connection
+import android.telecom.DisconnectCause
+import android.util.Log
+
+class MyConnection : Connection() {
+
+    override fun onAnswer(videoState: Int) {
+        super.onAnswer(videoState)
+        Log.d("MyConnection", "onAnswer called")
+        setActive()
+        // (You can later add notifications back to Flutter here if needed.)
+    }
+
+    override fun onReject() {
+        super.onReject()
+        Log.d("MyConnection", "onReject called")
+        setDisconnected(DisconnectCause(DisconnectCause.REJECTED))
+        destroy()
+    }
+
+    override fun onDisconnect() {
+        super.onDisconnect()
+        Log.d("MyConnection", "onDisconnect called")
+        setDisconnected(DisconnectCause(DisconnectCause.LOCAL))
+        destroy()
+    }
+}

dialer/android/app/src/main/kotlin/com/example/dialer/MyConnectionService.kt

@@ -0,0 +1,44 @@
+// File: android/app/src/main/kotlin/com/example/dialer/MyConnectionService.kt
+package com.example.dialer
+
+import android.content.Intent
+import android.net.Uri
+import android.telecom.Connection
+import android.telecom.ConnectionRequest
+import android.telecom.ConnectionService
+import android.telecom.PhoneAccountHandle
+import android.util.Log
+
+class MyConnectionService : ConnectionService() {
+
+    override fun onCreateIncomingConnection(
+        connectionManagerPhoneAccount: PhoneAccountHandle,
+        request: ConnectionRequest
+    ): Connection? {
+        Log.d("MyConnectionService", "onCreateIncomingConnection")
+        val myConnection = MyConnection()
+
+        // Try to extract the incoming phone number from the request.
+        val phoneUri: Uri? = request.address
+        val phoneNumber = phoneUri?.schemeSpecificPart ?: "Unknown"
+
+        // Broadcast an intent so MainActivity can notify Flutter.
+        val intent = Intent("com.example.dialer.INCOMING_CALL")
+        intent.putExtra("phoneNumber", phoneNumber)
+        applicationContext.sendBroadcast(intent)
+
+        // Mark the connection as ringing.
+        myConnection.setRinging()
+        return myConnection
+    }
+
+    override fun onCreateOutgoingConnection(
+        connectionManagerPhoneAccount: PhoneAccountHandle,
+        request: ConnectionRequest
+    ): Connection? {
+        Log.d("MyConnectionService", "onCreateOutgoingConnection")
+        val myConnection = MyConnection()
+        myConnection.setDialing()
+        return myConnection
+    }
+}

dialer/android/build.gradle

@@ -1,3 +1,21 @@
+// android/build.gradle (Project-level Gradle file)
+
+buildscript {
+    ext.kotlin_version = "1.8.10"
+
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        // Here is where the 'classpath' declarations go
+        classpath 'com.android.tools.build:gradle:8.1.2'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+// Then your allprojects block can be minimal in newer Gradle versions:
 allprojects {
     repositories {
         google()
@@ -5,15 +23,18 @@ allprojects {
     }
 }
 
+// If you want to customize build directory paths:
 rootProject.buildDir = "../build"
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
 }
+
+// This is optional, depends on your workflow:
 subprojects {
     project.evaluationDependsOn(":app")
 }
 
+// A custom clean task:
 tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }
-

dialer/android/gradle.properties

@@ -2,3 +2,4 @@ org.gradle.jvmargs=-Xmx4G -XX:MaxMetaspaceSize=2G -XX:+HeapDumpOnOutOfMemoryErro
 android.useAndroidX=true
 android.enableJetifier=true
 dev.steenbakker.mobile_scanner.useUnbundled=true
+org.gradle.java.home=/usr/lib/jvm/java-17-openjdk-17.0.13.0.11-3.fc41.x86_64

dialer/lib/features/home/home_page.dart

@@ -1,24 +1,41 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_contacts/flutter_contacts.dart';
+import 'package:dialer/features/settings/settings.dart';
 import 'package:dialer/features/contacts/contact_page.dart';
 import 'package:dialer/features/favorites/favorites_page.dart';
 import 'package:dialer/features/history/history_page.dart';
 import 'package:dialer/features/composition/composition.dart';
-import 'package:flutter_contacts/flutter_contacts.dart';
-import 'package:dialer/features/settings/settings.dart';
 import '../../widgets/contact_service.dart';
 
+/// This MyHomePage now expects two callbacks.
+/// - onMakeCall: used to start calls
+/// - onRequestDialer: used to become default dialer
+class MyHomePage extends StatefulWidget {
+  final Function(String) onMakeCall;
+  final Function onRequestDialer;
+
+  const MyHomePage({
+    Key? key,
+    required this.onMakeCall,
+    required this.onRequestDialer,
+  }) : super(key: key);
+
+  @override
+  _MyHomePageState createState() => _MyHomePageState();
+}
+
 class _MyHomePageState extends State<MyHomePage>
     with SingleTickerProviderStateMixin {
   late TabController _tabController;
   List<Contact> _allContacts = [];
   List<Contact> _contactSuggestions = [];
-  final ContactService _contactService = ContactService();
 
+  final ContactService _contactService = ContactService();
 
   @override
   void initState() {
     super.initState();
-    // Set the TabController length to 3
+    // We have 3 tabs: Favorites, History, Contacts
     _tabController = TabController(length: 3, vsync: this, initialIndex: 1);
     _tabController.addListener(_handleTabIndex);
     _fetchContacts();
@@ -30,19 +47,14 @@ class _MyHomePageState extends State<MyHomePage>
   }
 
   void _onSearchChanged(String query) {
-    print("Search query: $query");
-
-    setState(() {
-      if (query.isEmpty) {
-        _contactSuggestions = List.from(_allContacts);
-      } else {
-        _contactSuggestions = _allContacts.where((contact) {
-          return contact.displayName
-              .toLowerCase()
-              .contains(query.toLowerCase());
-        }).toList();
-      }
-    });
+    if (query.isEmpty) {
+      _contactSuggestions = List.from(_allContacts);
+    } else {
+      _contactSuggestions = _allContacts.where((contact) {
+        return contact.displayName.toLowerCase().contains(query.toLowerCase());
+      }).toList();
+    }
+    setState(() {});
   }
 
   @override
@@ -81,17 +93,16 @@ class _MyHomePageState extends State<MyHomePage>
                         top: BorderSide(color: Colors.grey.shade800, width: 1),
                         left: BorderSide(color: Colors.grey.shade800, width: 1),
                         right: BorderSide(color: Colors.grey.shade800, width: 1),
-                        bottom:
-                        BorderSide(color: Colors.grey.shade800, width: 2),
+                        bottom: BorderSide(color: Colors.grey.shade800, width: 2),
                       ),
                     ),
+                    // Using Flutter 3.10+ SearchAnchor / SearchBar API:
                     child: SearchAnchor(
                       builder:
                           (BuildContext context, SearchController controller) {
                         return SearchBar(
                           controller: controller,
-                          padding:
-                          MaterialStateProperty.all<EdgeInsetsGeometry>(
+                          padding: MaterialStateProperty.all<EdgeInsetsGeometry>(
                             const EdgeInsets.only(
                               top: 6.0,
                               bottom: 6.0,
@@ -104,7 +115,8 @@ class _MyHomePageState extends State<MyHomePage>
                             _onSearchChanged('');
                           },
                           backgroundColor: MaterialStateProperty.all(
-                              const Color.fromARGB(255, 30, 30, 30)),
+                            const Color.fromARGB(255, 30, 30, 30),
+                          ),
                           hintText: 'Search contacts',
                           hintStyle: MaterialStateProperty.all(
                             const TextStyle(color: Colors.grey, fontSize: 16.0),
@@ -114,8 +126,7 @@ class _MyHomePageState extends State<MyHomePage>
                             color: Colors.grey,
                             size: 24.0,
                           ),
-                          shape:
-                          MaterialStateProperty.all<RoundedRectangleBorder>(
+                          shape: MaterialStateProperty.all<RoundedRectangleBorder>(
                             RoundedRectangleBorder(
                               borderRadius: BorderRadius.circular(12.0),
                             ),
@@ -130,9 +141,12 @@ class _MyHomePageState extends State<MyHomePage>
                         return _contactSuggestions.map((contact) {
                           return ListTile(
                             key: ValueKey(contact.id),
-                            title: Text(contact.displayName,
-                                style: const TextStyle(color: Colors.white)),
+                            title: Text(
+                              contact.displayName,
+                              style: const TextStyle(color: Colors.white),
+                            ),
                             onTap: () {
+                              // For example, you might call widget.onMakeCall(contact.phoneNumber)
                               controller.closeView(contact.displayName);
                             },
                           );
@@ -149,14 +163,20 @@ class _MyHomePageState extends State<MyHomePage>
                       value: 'settings',
                       child: Text('Settings'),
                     ),
+                    const PopupMenuItem<String>(
+                      value: 'becomeDialer',
+                      child: Text('Become Default Dialer'),
+                    ),
                   ],
                   onSelected: (String value) {
                     if (value == 'settings') {
                       Navigator.push(
                         context,
-                        MaterialPageRoute(
-                            builder: (context) => const SettingsPage()),
+                        MaterialPageRoute(builder: (context) => const SettingsPage()),
                       );
+                    } else if (value == 'becomeDialer') {
+                      // Use the callback passed in from main.dart:
+                      widget.onRequestDialer();
                     }
                   },
                 ),
@@ -175,11 +195,14 @@ class _MyHomePageState extends State<MyHomePage>
                     ContactPage(),
                   ],
                 ),
+                // Floating action button for manual composition/dialpad
                 Positioned(
                   right: 20,
                   bottom: 20,
                   child: FloatingActionButton(
                     onPressed: () {
+                      // Here you could do widget.onMakeCall('123456') or
+                      // push to CompositionPage, etc.
                       Navigator.push(
                         context,
                         MaterialPageRoute(
@@ -205,17 +228,20 @@ class _MyHomePageState extends State<MyHomePage>
           controller: _tabController,
           tabs: [
             Tab(
-                icon: Icon(_tabController.index == 0
-                    ? Icons.star
-                    : Icons.star_border)),
+              icon: Icon(_tabController.index == 0
+                  ? Icons.star
+                  : Icons.star_border),
+            ),
             Tab(
-                icon: Icon(_tabController.index == 1
-                    ? Icons.access_time_filled
-                    : Icons.access_time_outlined)),
+              icon: Icon(_tabController.index == 1
+                  ? Icons.access_time_filled
+                  : Icons.access_time_outlined),
+            ),
             Tab(
-                icon: Icon(_tabController.index == 2
-                    ? Icons.contacts
-                    : Icons.contacts_outlined)),
+              icon: Icon(_tabController.index == 2
+                  ? Icons.contacts
+                  : Icons.contacts_outlined),
+            ),
           ],
           labelColor: Colors.white,
           unselectedLabelColor: const Color.fromARGB(255, 158, 158, 158),
@@ -226,10 +252,3 @@ class _MyHomePageState extends State<MyHomePage>
     );
   }
 }
-
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({super.key});
-
-  @override
-  _MyHomePageState createState() => _MyHomePageState();
-}

dialer/lib/main.dart

@@ -1,23 +1,167 @@
-import 'package:dialer/features/home/home_page.dart';
 import 'package:flutter/material.dart';
-import 'package:dialer/features/contacts/contact_state.dart';
+import 'package:flutter/services.dart';
 
 void main() {
-  runApp(const MyApp());
+  runApp(const IcingDialerApp());
 }
 
-class MyApp extends StatelessWidget {
-  const MyApp({super.key});
+class IcingDialerApp extends StatefulWidget {
+  const IcingDialerApp({Key? key}) : super(key: key);
+
+  @override
+  State<IcingDialerApp> createState() => _IcingDialerAppState();
+}
+
+class _IcingDialerAppState extends State<IcingDialerApp> {
+  // This channel must match the one in MainActivity.kt.
+  static const platform = MethodChannel('com.example.dialer/call_events');
+  bool isDefaultDialer = false;
+
+  @override
+  void initState() {
+    super.initState();
+    // Listen for method calls from the Android side.
+    platform.setMethodCallHandler(handleMethodCalls);
+  }
+
+
+
+  Future<void> handleMethodCalls(MethodCall call) async {
+    switch (call.method) {
+      case 'onDefaultDialerSet':
+      // Update our UI to show that we are now the default dialer.
+        setState(() {
+          isDefaultDialer = true;
+        });
+        break;
+      case 'onDefaultDialerDenied':
+      // Show a message to the user when they deny the request.
+        _showDefaultDialerDeniedDialog();
+        break;
+      case 'onIncomingCall':
+        final phoneNumber = call.arguments as String? ?? "Unknown";
+        _showIncomingCallDialog(phoneNumber);
+        break;
+      default:
+        print("Unhandled method: ${call.method}");
+    }
+  }
+
+  // Show a dialog when the user denies the default dialer request.
+  void _showDefaultDialerDeniedDialog() {
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Permission Denied'),
+        content: const Text(
+            'To use this app as your default dialer, please grant the permission when prompted.'),
+        actions: [
+          TextButton(
+            onPressed: () {
+              Navigator.of(context).pop();
+            },
+            child: const Text('OK'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // Show a dialog when an incoming call is intercepted.
+  void _showIncomingCallDialog(String phoneNumber) {
+    showDialog(
+      context: context,
+      barrierDismissible: false,
+      builder: (_) => AlertDialog(
+        title: const Text('Incoming Call'),
+        content: Text('Call from: $phoneNumber'),
+        actions: [
+          TextButton(
+            onPressed: () {
+              // (Here you could add code to reject the call.)
+              Navigator.of(context).pop();
+            },
+            child: const Text('Reject'),
+          ),
+          ElevatedButton(
+            onPressed: () {
+              // (Here you could add code to accept the call.)
+              Navigator.of(context).pop();
+            },
+            child: const Text('Accept'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // Invoke the native method to request to be the default dialer.
+  Future<void> requestDefaultDialer() async {
+    try {
+      await platform.invokeMethod('requestDefaultDialer');
+    } catch (e) {
+      print('Error requesting default dialer: $e');
+      // Show an error message if the request fails.
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text('Error requesting default dialer: $e')),
+      );
+    }
+  }
 
   @override
   Widget build(BuildContext context) {
-    return ContactState(
-      child: MaterialApp(
-        theme: ThemeData(
-          brightness: Brightness.dark
-        ),
-        home: SafeArea(child: MyHomePage()),
-      )
+    return MaterialApp(
+      title: 'Icing Dialer',
+      theme: ThemeData.dark(),
+      home: isDefaultDialer
+          ? const CallScreen()
+          : DefaultDialerSetupScreen(onRequestDefaultDialer: requestDefaultDialer),
     );
   }
 }
+
+/// Shown when the app is not yet the default dialer.
+class DefaultDialerSetupScreen extends StatelessWidget {
+  final VoidCallback onRequestDefaultDialer;
+  const DefaultDialerSetupScreen({Key? key, required this.onRequestDefaultDialer})
+      : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('Set as Default Dialer')),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            const Text(
+              'This app is not set as your default dialer.',
+              textAlign: TextAlign.center,
+            ),
+            const SizedBox(height: 20),
+            ElevatedButton(
+              onPressed: onRequestDefaultDialer,
+              child: const Text('Set as Default Dialer'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+/// Shown when the app is the default dialer.
+class CallScreen extends StatelessWidget {
+  const CallScreen({Key? key}) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    // A simple UI indicating that the app is waiting for incoming calls.
+    return Scaffold(
+      appBar: AppBar(title: const Text('Icing Dialer')),
+      body: const Center(
+        child: Text('Waiting for incoming calls...'),
+      ),
+    );
+  }
+}