Fix : Resolved the Messaging and Calling Issue.

android/app/src/main/AndroidManifest.xml

@@ -1,5 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.SEND_SMS"/>
+    <uses-permission android:name="android.permission.CALL_PHONE" />
     <application
         android:label="Coupon Aggregator"
         android:name="${applicationName}"
@@ -42,5 +44,16 @@
             <action android:name="android.intent.action.PROCESS_TEXT"/>
             <data android:mimeType="text/plain"/>
         </intent>
+        <!-- If your app checks for SMS support -->
+        <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="sms" />
+          </intent>
+          <!-- If your app checks for call support -->
+          <intent>
+            <action android:name="android.intent.action.VIEW" />
+            <data android:scheme="tel" />
+          </intent>
     </queries>
+
 </manifest>

lib/Global/Functions/contact_helper_class.dart

@@ -1,44 +1,53 @@
 import 'package:mess_mgmt/Global/store/app_state_store.dart';
 import 'package:mess_mgmt/features/auth/error%20handling/auth_error.dart';
+import 'package:permission_handler/permission_handler.dart';
 import 'package:url_launcher/url_launcher.dart';
 
 class ContactHelper {
-// Function to send a WhatsApp message
   static Future<void> sendWhatsAppMessage(
       String phoneNumber, String message) async {
-    // final whatsappUrl =
-    //     "whatsapp://send?phone=$phoneNumber&text=Your Message here";
     String whatsappUrl =
         "whatsapp://send?phone=${phoneNumber.trim()}&text=${Uri.encodeComponent(message)}";
-
-    // "whatsapp://send?phone=$phoneNumber&text=${Uri.encodeComponent(message)}";
     if (await canLaunchUrl(Uri.parse(whatsappUrl))) {
       await launchUrl(
         Uri.parse(whatsappUrl),
         mode: LaunchMode.externalApplication,
       );
     } else {
-      appState.authError = const AuthErrorUnknownIssue();
+      appState.authError = const MessageIssue();
     }
   }
 
-// Function to send an SMS message
   static Future<void> sendSms(String phoneNumber, String message) async {
-    final smsUrl = "sms:$phoneNumber?body=${Uri.encodeComponent(message)}";
-    if (await canLaunchUrl(Uri.parse(smsUrl))) {
-      await launchUrl(Uri.parse(smsUrl));
-    } else {
-      appState.authError = const AuthErrorUnknownIssue();
+    PermissionStatus status = await Permission.sms.request();
+
+    if (status.isGranted) {
+      final smsUrl = "sms:$phoneNumber?body=${Uri.encodeComponent(message)}";
+      if (await canLaunchUrl(Uri.parse(smsUrl))) {
+        await launchUrl(Uri.parse(smsUrl));
+      } else {
+        appState.authError = const MessageIssue();
+      }
+    } else if (status.isDenied) {
+    } else if (status.isPermanentlyDenied) {
+      await openAppSettings();
     }
   }
 
-// Function to make a call
   static Future<void> makePhoneCall(String phoneNumber) async {
-    final telUrl = "tel:$phoneNumber";
-    if (await canLaunchUrl(Uri.parse(telUrl))) {
-      await launchUrl(Uri.parse(telUrl));
-    } else {
-      appState.authError = const AuthErrorUnknownIssue();
+    PermissionStatus status = await Permission.phone.request();
+
+    if (status.isGranted) {
+      final telUrl = "tel:$phoneNumber";
+      if (await canLaunchUrl(Uri.parse(telUrl))) {
+        await launchUrl(Uri.parse(telUrl));
+      } else {
+        appState.authError = const CallIssue();
+
+      }
+    } else if (status.isDenied) {
+    } else if (status.isPermanentlyDenied) {
+      openAppSettings();
     }
   }
 }

lib/Global/dialogs/edit_coupon_dialog.dart

@@ -1,9 +1,11 @@
 import 'dart:ui';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_mobx/flutter_mobx.dart';
 import 'package:mess_mgmt/Global/store/app_state_store.dart';
 import 'package:mess_mgmt/features/User%20Profile/store/user_profile_store.dart';
 import 'package:mobx/mobx.dart';
+
 import '../enums/enums.dart';
 import '../models/coupon_data_model.dart';
 import '../widgets/loader.dart';
@@ -62,15 +64,14 @@ class _DialogWidgetState extends State<DialogWidget> {
     return Dialog(
       backgroundColor: Colors.transparent,
       child: BackdropFilter(
-        filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10), 
+        filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10),
         child: Container(
           padding: const EdgeInsets.all(16),
           decoration: BoxDecoration(
             color: Colors.white.withOpacity(0.2),
             borderRadius: BorderRadius.circular(20),
             border: Border.all(
-              color: Colors.white
-                  .withOpacity(0.3),
+              color: Colors.white.withOpacity(0.3),
               width: 1.5,
             ),
           ),
@@ -94,16 +95,14 @@ class _DialogWidgetState extends State<DialogWidget> {
                     labelText: "Floor",
                     labelStyle: TextStyle(
                       color: Colors.white,
-                    ), 
+                    ),
                   ),
                   items: Floor.values.map((Floor value) {
                     return DropdownMenuItem<Floor>(
                       value: value,
                       child: Text(
                         value.intoString(),
-                        style: const TextStyle(
-                            color: Colors
-                                .white), 
+                        style: const TextStyle(color: Colors.white),
                       ),
                     );
                   }).toList(),
@@ -205,8 +204,7 @@ class _DialogWidgetState extends State<DialogWidget> {
                           ),
                           builder: (context) {
                             return autorun((_) {
-                              final canDialogPop =
-                                  appState.canDialogPop;
+                              final canDialogPop = appState.canDialogPop;
                               if (canDialogPop) {
                                 Navigator.pop(context);
                               }

lib/Global/widgets/my_list_tile.dart

@@ -58,8 +58,9 @@ class MyListTile extends StatelessWidget {
                                 InkWell(
                                   onTap: () {
                                     ContactHelper.sendSms(
-                                        coupon.createdBy!.mobileNumber,
-                                        "Hey I want to buy your coupon");
+                                      coupon.createdBy!.mobileNumber,
+                                      "Hey I want to buy your coupon",
+                                    );
                                   },
                                   child: const Icon(
                                     Icons.chat,

lib/features/auth/error handling/auth_error.dart

@@ -72,3 +72,23 @@ class AuthErrorUnknownIssue implements AuthError {
   @override
   String get errorString => "Something Went wrong !";
 }
+
+class MessageIssue implements AuthError {
+  const MessageIssue();
+
+  @override
+  String get errorDescription => "Please try again .";
+
+  @override
+  String get errorString => "We couldn't find the Message App";
+}
+
+class CallIssue implements AuthError {
+  const CallIssue();
+
+  @override
+  String get errorDescription => "Please try again .";
+
+  @override
+  String get errorString => "We couldn't find the Caller App";
+}

pubspec.lock

@@ -576,6 +576,54 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
+  permission_handler:
+    dependency: "direct main"
+    description:
+      name: permission_handler
+      sha256: "18bf33f7fefbd812f37e72091a15575e72d5318854877e0e4035a24ac1113ecb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.3.1"
+  permission_handler_android:
+    dependency: transitive
+    description:
+      name: permission_handler_android
+      sha256: "76e4ab092c1b240d31177bb64d2b0bea43f43d0e23541ec866151b9f7b2490fa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "12.0.12"
+  permission_handler_apple:
+    dependency: transitive
+    description:
+      name: permission_handler_apple
+      sha256: e6f6d73b12438ef13e648c4ae56bd106ec60d17e90a59c4545db6781229082a0
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.4.5"
+  permission_handler_html:
+    dependency: transitive
+    description:
+      name: permission_handler_html
+      sha256: af26edbbb1f2674af65a8f4b56e1a6f526156bc273d0e65dd8075fab51c78851
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.3+2"
+  permission_handler_platform_interface:
+    dependency: transitive
+    description:
+      name: permission_handler_platform_interface
+      sha256: e9c8eadee926c4532d0305dff94b85bf961f16759c3af791486613152af4b4f9
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.2.3"
+  permission_handler_windows:
+    dependency: transitive
+    description:
+      name: permission_handler_windows
+      sha256: "1a790728016f79a41216d88672dbc5df30e686e811ad4e698bfc51f76ad91f1e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.1"
   petitparser:
     dependency: transitive
     description:

pubspec.yaml

@@ -46,6 +46,7 @@ dependencies:
   flutter_svg:
   font_awesome_flutter: ^10.7.0
   flutter_secure_storage: ^9.2.2
+  permission_handler: ^11.3.1
 
 
 dev_dependencies:

windows/flutter/generated_plugin_registrant.cc

@@ -7,11 +7,14 @@
 #include "generated_plugin_registrant.h"
 
 #include <flutter_secure_storage_windows/flutter_secure_storage_windows_plugin.h>
+#include <permission_handler_windows/permission_handler_windows_plugin.h>
 #include <url_launcher_windows/url_launcher_windows.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   FlutterSecureStorageWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FlutterSecureStorageWindowsPlugin"));
+  PermissionHandlerWindowsPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("PermissionHandlerWindowsPlugin"));
   UrlLauncherWindowsRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("UrlLauncherWindows"));
 }

windows/flutter/generated_plugins.cmake

@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   flutter_secure_storage_windows
+  permission_handler_windows
   url_launcher_windows
 )