Flutter local Notification is added to the project

lib/services/notification_services.dart

@@ -0,0 +1,75 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:get/get.dart';
+
+class NotificationServices {
+  FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+      FlutterLocalNotificationsPlugin(); //
+
+  initializeNotification() async {
+    //tz.initializeTimeZones();
+    final IOSInitializationSettings initializationSettingsIOS =
+        IOSInitializationSettings(
+            requestSoundPermission: false,
+            requestBadgePermission: false,
+            requestAlertPermission: false,
+            onDidReceiveLocalNotification: onDidReceiveLocalNotification);
+
+    final AndroidInitializationSettings androidInitializationSettingsIOS =
+        AndroidInitializationSettings('appicon');
+
+    final InitializationSettings initializationSettings =
+        InitializationSettings(
+      iOS: initializationSettingsIOS,
+      android: androidInitializationSettingsIOS,
+    );
+    await flutterLocalNotificationsPlugin.initialize(initializationSettings,
+        onSelectNotification: selectNotification);
+  }
+
+  displayNotification({required String title, required String body}) async {
+    print("doing test");
+    // ignore: prefer_const_constructors
+    var androidPlatformChannelSpecifics = AndroidNotificationDetails(
+        'your channel id', 'your channel name',
+        importance: Importance.max, priority: Priority.high);
+    var iOSPlatformChannelSpecifics = IOSNotificationDetails();
+    var platformChannelSpecifics = NotificationDetails(
+        android: androidPlatformChannelSpecifics,
+        iOS: iOSPlatformChannelSpecifics);
+    await flutterLocalNotificationsPlugin.show(
+      0,
+      title,
+      body,
+      platformChannelSpecifics,
+      payload: 'Default_Sound',
+    );
+  }
+
+  void requestIOSPermissions() {
+    flutterLocalNotificationsPlugin
+        .resolvePlatformSpecificImplementation<
+            IOSFlutterLocalNotificationsPlugin>()
+        ?.requestPermissions(
+          alert: true,
+          badge: true,
+          sound: true,
+        );
+  }
+
+  Future selectNotification(String? payload) async {
+    if (payload != null) {
+      print('notification payload: $payload');
+    } else {
+      print("Notification Done");
+    }
+    Get.to(() => Container());
+  }
+
+  Future onDidReceiveLocalNotification(
+      int? id, String? title, String? body, String? payload) async {
+    // display a dialog with the notification details, tap ok to go to another page
+
+    Get.dialog(Text("Welcome to the Flutter."));
+  }
+}

lib/ui/home_page.dart

@@ -1,9 +1,27 @@
 import 'package:example_todo_sqflite/services/theme_services.dart';
 import 'package:flutter/material.dart';
+import 'package:get/get.dart';
 
-class HomePage extends StatelessWidget {
+import '../services/notification_services.dart';
+
+class HomePage extends StatefulWidget {
   const HomePage({Key? key}) : super(key: key);
 
+  @override
+  State<HomePage> createState() => _HomePageState();
+}
+
+class _HomePageState extends State<HomePage> {
+  late NotificationServices notifyHelper;
+  @override
+  void initState() {
+    notifyHelper = NotificationServices();
+    notifyHelper.initializeNotification();
+    notifyHelper.requestIOSPermissions();
+    // TODO: implement initState
+    super.initState();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -17,6 +35,12 @@ class HomePage extends StatelessWidget {
       leading: IconButton(
         onPressed: () {
           ThemeServices().updateTheme();
+          notifyHelper.displayNotification(
+            title: "title",
+            body: Get.isDarkMode
+                ? "Activated Dark Theme"
+                : "Activated Light Theme.",
+          );
         },
         icon: Icon(Icons.nightlight_round),
       ),

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,10 +5,12 @@
 import FlutterMacOS
 import Foundation
 
+import flutter_local_notifications
 import path_provider_macos
 import sqflite
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  FlutterLocalNotificationsPlugin.register(with: registry.registrar(forPlugin: "FlutterLocalNotificationsPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
 }

pubspec.lock

@@ -1,6 +1,13 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.1"
   async:
     dependency: transitive
     description:
@@ -50,6 +57,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.5"
+  dbus:
+    dependency: transitive
+    description:
+      name: dbus
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.7.7"
   fake_async:
     dependency: transitive
     description:
@@ -83,6 +97,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.1"
+  flutter_local_notifications:
+    dependency: "direct main"
+    description:
+      name: flutter_local_notifications
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "9.7.0"
+  flutter_local_notifications_linux:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.5.0+1"
+  flutter_local_notifications_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_local_notifications_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -186,6 +221,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.0.0"
   platform:
     dependency: transitive
     description:
@@ -275,6 +317,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.4.9"
+  timezone:
+    dependency: transitive
+    description:
+      name: timezone
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.8.0"
   vector_math:
     dependency: transitive
     description:
@@ -296,6 +345,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.2.0+1"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.0"
 sdks:
   dart: ">=2.17.6 <3.0.0"
   flutter: ">=3.0.0"

pubspec.yaml

@@ -38,6 +38,7 @@ dependencies:
   sqflite: ^2.0.3
   get:
   get_storage:
+  flutter_local_notifications: ^9.7.0
 
 dev_dependencies:
   flutter_test: