add

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

@@ -1,4 +1,3 @@
-// File: android/app/src/main/kotlin/com/example/dialer/MainActivity.kt
 package com.example.dialer
 
 import android.app.role.RoleManager
@@ -7,6 +6,7 @@ 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
@@ -14,6 +14,8 @@ 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
@@ -25,6 +27,9 @@ class MainActivity : FlutterActivity() {
     // 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?) {
@@ -49,6 +54,9 @@ class MainActivity : FlutterActivity() {
 
     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.)
@@ -121,16 +129,30 @@ class MainActivity : FlutterActivity() {
         super.onActivityResult(requestCode, resultCode, data)
         if (requestCode == DEFAULT_DIALER_REQUEST_CODE) {
             Log.d("MainActivity", "onActivityResult received: resultCode=$resultCode")
-            // Delay a short time before checking the role.
-            Handler(mainLooper).postDelayed({
-                if (isDefaultDialer()) {
-                    Log.d("MainActivity", "Default dialer successfully set")
-                    registerManagedPhoneAccount()
-                    notifyDefaultDialerSet()
-                } else {
-                    Log.d("MainActivity", "Default dialer not set")
+            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)
                 }
-            }, 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")
+                }
+            }
         }
     }
 
@@ -146,6 +168,7 @@ class MainActivity : FlutterActivity() {
             .setShortDescription("Icing Custom Dialer")
             .build()
         telecomManager.registerPhoneAccount(phoneAccount)
+        Log.d("MainActivity", "PhoneAccount registered")
     }
 
     // Notify Flutter that we are now the default dialer.
@@ -157,4 +180,39 @@ class MainActivity : FlutterActivity() {
     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/lib/main.dart

@@ -1,4 +1,3 @@
-// File: lib/main.dart
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 
@@ -25,6 +24,8 @@ class _IcingDialerAppState extends State<IcingDialerApp> {
     platform.setMethodCallHandler(handleMethodCalls);
   }
 
+
+
   Future<void> handleMethodCalls(MethodCall call) async {
     switch (call.method) {
       case 'onDefaultDialerSet':
@@ -33,6 +34,10 @@ class _IcingDialerAppState extends State<IcingDialerApp> {
           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);
@@ -42,6 +47,26 @@ class _IcingDialerAppState extends State<IcingDialerApp> {
     }
   }
 
+  // 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(
@@ -76,6 +101,10 @@ class _IcingDialerAppState extends State<IcingDialerApp> {
       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')),
+      );
     }
   }
 
@@ -135,4 +164,4 @@ class CallScreen extends StatelessWidget {
       ),
     );
   }
-}
+}