Merge pull request #41 from IamMuuo/dev

Notifications Request

lib/controllers/settings_controller.dart

@@ -13,7 +13,7 @@ class SettingsController extends GetxController {
 
   @override
   void onInit() async {
-    settings = await appDB.get("settings");
+    settings = await appDB.get("settings") ?? {};
     showGPA.value = settings["show_gpa"] ?? true;
     showProfilePic.value = settings["show_profile_pic"] ?? true;
     showExamTimeTable.value = settings["show_exam_timetable"] ?? true;

lib/main.dart

@@ -3,6 +3,7 @@ import 'package:academia/controllers/settings_controller.dart';
 import 'package:academia/models/courses.dart';
 import 'package:academia/models/schedule.dart';
 import 'package:academia/models/user.dart';
+import 'package:academia/notifications/notification_service.dart';
 import 'package:academia/pages/home_page.dart';
 import 'package:academia/pages/intro_page.dart';
 import 'package:academia/themes/theme.dart';
@@ -12,6 +13,8 @@ import 'package:get/get.dart';
 import 'package:magnet/magnet.dart';
 
 void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await NotificationService().initNotifications();
   // Init flutter
   await Hive.initFlutter();
   Hive.registerAdapter(UserAdapter());
@@ -28,6 +31,7 @@ void main() async {
 
   // Init settings controller
   Get.put(SettingsController());
+  NotificationService().showNotification();
 
   runApp(
     GetMaterialApp(

lib/notifications/notification_service.dart

@@ -0,0 +1,99 @@
+//////////////////////////////////////////////////////////////////////////////////
+// File Notification Service
+// Author: Erick Muuo
+// Email: [email protected]
+// Description: Read dont touch !!!!
+//////////////////////////////////////////////////////////////////////////////////
+
+// WARNING: NO SUPPORT FOR IOS, LINUX, MAC, WEB or WINDOWS
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:get/get.dart';
+import 'package:timezone/data/latest.dart' as tz;
+import 'package:timezone/timezone.dart' as tz;
+
+// Hands off dont touch this Code
+// Signed Erick Muuo
+class NotificationService {
+  // Create a  singleton instance
+  static final NotificationService _notificationService =
+      NotificationService._internal();
+
+  factory NotificationService() {
+    return _notificationService;
+  }
+
+  NotificationService._internal();
+
+  final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
+      FlutterLocalNotificationsPlugin();
+
+  final AndroidNotificationDetails _androidNotificationDetails =
+      const AndroidNotificationDetails("channel ID", "channel name",
+          playSound: true,
+          priority: Priority.high,
+          importance: Importance.high);
+
+  late NotificationDetails platformChannelSpecifics;
+
+// notifications initialize called only once
+  Future<void> initNotifications() async {
+    AndroidInitializationSettings initializationSettingsAndroid =
+        const AndroidInitializationSettings("app_icon");
+
+    final InitializationSettings initializationSettings =
+        InitializationSettings(
+      android: initializationSettingsAndroid,
+    );
+
+    platformChannelSpecifics =
+        NotificationDetails(android: _androidNotificationDetails);
+
+    tz.initializeTimeZones();
+
+    await flutterLocalNotificationsPlugin.initialize(initializationSettings);
+  }
+
+  // Show a notification instantly
+  Future<void> showNotification({
+    String title = "Academia",
+    String body = "Hi from Academia",
+    int id = 0,
+    String payload = "Greeting",
+  }) async {
+    await flutterLocalNotificationsPlugin
+        .show(id, title, body, platformChannelSpecifics, payload: payload);
+  }
+
+  // Schedule Notifications
+  Future<void> scheduleNotification(
+    int id,
+    String title,
+    String body,
+    Duration duration,
+  ) async {
+    await flutterLocalNotificationsPlugin.zonedSchedule(
+      id,
+      title,
+      body,
+      tz.TZDateTime.now(tz.local).add(duration),
+      platformChannelSpecifics,
+      androidScheduleMode: AndroidScheduleMode.exactAllowWhileIdle,
+      uiLocalNotificationDateInterpretation:
+          UILocalNotificationDateInterpretation.absoluteTime,
+    );
+  }
+
+  // Cancels a notification specified by ID
+  Future<void> cancelNotifications(int id) async {
+    await flutterLocalNotificationsPlugin.cancel(id);
+  }
+
+  // Cancels all previously scheduled notifications
+  Future<void> cancelAllNotifications() async {
+    await flutterLocalNotificationsPlugin.cancelAll();
+  }
+}
+
+Future selectNotification(String payload) async {
+  Get.snackbar("Notification", payload);
+}