Added notifications

android/app/build.gradle

@@ -24,7 +24,7 @@ if (flutterVersionName == null) {
 
 android {
     namespace "com.example.smartspend"
-    compileSdkVersion flutter.compileSdkVersion
+    compileSdkVersion 34
     ndkVersion flutter.ndkVersion
 
     compileOptions {
@@ -45,8 +45,8 @@ android {
         applicationId "com.example.smartspend"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion flutter.minSdkVersion
-        targetSdkVersion flutter.targetSdkVersion
+        minSdkVersion 21
+        targetSdkVersion 34
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }

android/app/src/main/AndroidManifest.xml

@@ -1,4 +1,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <uses-permission android:name="android.permission.VIBRATE"></uses-permission>
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"></uses-permission>
     <application
         android:label="smartspend"
         android:name="${applicationName}"

lib/backend/notifications.dart

@@ -0,0 +1,32 @@
+import 'package:awesome_notifications/awesome_notifications.dart';
+
+//This class is from the awesome_notifications documentation. It is how they
+//suggest to use the plugin. We must define it to allows things to work, but we
+//are not using anything here.
+
+class NotificationController {
+
+  /// Use this method to detect when a new notification or a schedule is created
+  @pragma("vm:entry-point")
+  static Future <void> onNotificationCreatedMethod(ReceivedNotification receivedNotification) async {
+    //we dont really want to do anything
+  }
+
+  /// Use this method to detect every time that a new notification is displayed
+  @pragma("vm:entry-point")
+  static Future <void> onNotificationDisplayedMethod(ReceivedNotification receivedNotification) async {
+    //we dont really want to do anything
+  }
+
+  /// Use this method to detect if the user dismissed a notification
+  @pragma("vm:entry-point")
+  static Future <void> onDismissActionReceivedMethod(ReceivedAction receivedAction) async {
+    //we dont really want to do anything
+  }
+
+  /// Use this method to detect when the user taps on a notification or action button
+  @pragma("vm:entry-point")
+  static Future <void> onActionReceivedMethod(ReceivedAction receivedAction) async {
+    //we dont really want to do anything
+  }
+}

lib/main.dart

@@ -4,15 +4,41 @@ import 'package:smartspend/pages/onboardingpage.dart';
 import 'package:smartspend/backend/wyrm/database.dart';
 import 'package:smartspend/backend/user.dart';
 import 'package:smartspend/backend/category.dart';
+import 'package:awesome_notifications/awesome_notifications.dart';
+
+import 'backend/notifications.dart';
 
 void main() async {
   Wyrm database = Wyrm();
   User client = await initClient(database);
-  List<Category> categories = await initCategories(database, client);
+  await initCategories(database, client);
+  await initNotifications();
   goFullscreen();
   runApp(MyApp(client: client));
 }
 
+Future<void> initNotifications() async { //this code is based on the documentation from the package
+  AwesomeNotifications().initialize(
+    // set the icon to null if you want to use the default app icon
+      'assets/logo.png',
+      [
+        NotificationChannel(
+            channelGroupKey: 'smartspend_notification_group',
+            channelKey: 'smartspend_notification_channel',
+            channelName: 'Smartspend Notifications',
+            channelDescription: 'Notification channel for Smartspend app',
+            defaultColor: Color(0xFF9D50DD),
+            ledColor: Colors.white)
+      ],
+      debug: true
+  );
+  AwesomeNotifications().isNotificationAllowed().then((isAllowed) {
+    if (!isAllowed) {
+      AwesomeNotifications().requestPermissionToSendNotifications();
+    }
+  });
+}
+
 void goFullscreen() async {
   SystemChrome.setEnabledSystemUIMode(
     SystemUiMode.immersive,
@@ -31,21 +57,43 @@ void goFullscreen() async {
   }
 }
 
-
-class MyApp extends StatelessWidget {
+class MyApp extends StatefulWidget {
   User client;
+  static final GlobalKey<NavigatorState> navigatorKey = GlobalKey<NavigatorState>();
 
   MyApp({super.key, required this.client});
 
+  @override
+  State<StatefulWidget> createState() => _MyApp();
+}
+
+class _MyApp extends State<MyApp> {
+
+
+  @override
+  void initState() {
+
+    // Only after at least the action method is set, the notification events are delivered
+    AwesomeNotifications().setListeners(
+        onActionReceivedMethod:         NotificationController.onActionReceivedMethod,
+        onNotificationCreatedMethod:    NotificationController.onNotificationCreatedMethod,
+        onNotificationDisplayedMethod:  NotificationController.onNotificationDisplayedMethod,
+        onDismissActionReceivedMethod:  NotificationController.onDismissActionReceivedMethod
+    );
+
+    super.initState();
+  }
+
   @override
   Widget build(BuildContext context) {
     SystemChrome.setPreferredOrientations([
       DeviceOrientation.portraitUp,
       DeviceOrientation.portraitDown,
     ]);
     return MaterialApp(
+      navigatorKey: MyApp.navigatorKey,
       home: BoardingPage(
-        client: client,
+        client: widget.client,
       ),
       debugShowCheckedModeBanner: false,
       theme: ThemeData(primarySwatch: Colors.green),

lib/pages/homepage.dart

@@ -1,4 +1,3 @@
-
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:smartspend/backend/category.dart';
@@ -8,7 +7,6 @@ import 'package:smartspend/widgets/categorywidget.dart';
 import 'package:smartspend/pages/monthlybudgetpage.dart';
 import 'package:smartspend/backend/user.dart';
 import 'package:smartspend/backend/wyrm/database.dart';
-import 'package:smartspend/pages/myaccountpage.dart';
 
 class HomePage extends StatefulWidget {
   const HomePage({super.key});
@@ -52,7 +50,6 @@ class _HomePageState extends State<HomePage>{
       res.add(CategoryWidget(
         name: element.categoryName,
         color: Color(element.categoryColor),
-        bgColor: Colors.white,
         number: element.currentSpending.toDouble(),
         limit: element.spendingLimit.toDouble(),
       ));
@@ -209,8 +206,7 @@ class _HomePageState extends State<HomePage>{
                                           margin: const EdgeInsets.only(right: 10),
                                           alignment: Alignment.centerRight,
                                           child: IconButton(
-                                              onPressed: () async {
-                                                List<Category> categories = await database.categories();
+                                              onPressed: () {
                                                 Navigator.push(context,
                                                     MaterialPageRoute(builder:
                                                         (context) => MonthlyBudgetPage(

lib/widgets/categorywidget.dart

@@ -1,25 +1,74 @@
+import 'package:awesome_notifications/awesome_notifications.dart';
 import 'package:flutter/material.dart';
 
-class CategoryWidget extends StatelessWidget {
+
+class CategoryWidget extends StatefulWidget{
   final String name;
   final Color color;
   final double number;
-  final Color bgColor;
   final double limit;
+  bool notificationSent = false;
+
+  CategoryWidget({
+    super.key,
+    required this.name,
+    required this.color,
+    required this.number,
+    required this.limit
+  });
+
+  @override
+  State<StatefulWidget> createState() => _CategoryWidget();
 
-  const CategoryWidget({super.key, required this.name, required this.color, required this.number,
-    required this.bgColor, required this.limit});
+}
 
-  Color getFontColor(){
-    if (number > limit){
-      return Colors.red;
+class _CategoryWidget extends State<CategoryWidget>{
+  static late Color bgColor;
+  static late Color fontColor;
+  static bool _loading = true;
+
+
+  Future<void> sendNotification() async {
+    if (widget.number > widget.limit && !widget.notificationSent){
+      widget.notificationSent = true;
+      await AwesomeNotifications().createNotification(
+        content: NotificationContent(
+          id: 1,
+          channelKey: 'smartspend_notification_channel',
+          actionType: ActionType.Default,
+          title: 'SmartSpend: Limit Exceeded!',
+          body: 'The ${widget.name} budget has been exceeded! Current spending: ${widget.number}',
+        ),
+        schedule: NotificationInterval(interval: 30,repeats: false)
+      );
     }
-    return const Color(0xFF1E2038);
+  }
+
+  Future<void> initArgs() async {
+    await sendNotification();
+    setState(() {
+      _loading = false;
+    });
+  }
+
+  @override
+  void initState() {
+    initArgs();
+    super.initState();
   }
 
   @override
   Widget build(BuildContext context) {
-    Color fontColor = getFontColor();
+    if(_loading) {
+      return LinearProgressIndicator();
+    }
+    if (widget.number > widget.limit){
+      bgColor = Colors.red.shade400;
+      fontColor = Colors.white;
+    } else {
+      bgColor = Colors.white;
+      fontColor = Colors.black;
+    }
     return GestureDetector(
       onTap: () {
         //we can maybe add future functionality here
@@ -41,17 +90,17 @@ class CategoryWidget extends StatelessWidget {
                 margin: const EdgeInsets.all(10),
                 child: Icon(
                   Icons.circle_rounded,
-                  color: color,
+                  color: widget.color,
                   size: 32,
                 )
               ),
               Container(
                 margin: const EdgeInsets.only(left: 20),
                 alignment: Alignment.centerLeft,
                 child: Text(
-                  name,
-                  style: const TextStyle(
-                    color: Color(0xFF1E2038),
+                  widget.name,
+                  style: TextStyle(
+                    color: fontColor,
                     fontSize: 16,
                     fontWeight: FontWeight.w500,
                     fontFamily: 'Montserrat',
@@ -63,10 +112,9 @@ class CategoryWidget extends StatelessWidget {
                 alignment: Alignment.centerRight,
                 child: TextButton(
                   onPressed: () {
-
                   },
                   child: Text(
-                    "$number",
+                    "${widget.number}",
                     style: TextStyle(
                       color: fontColor,
                       fontSize: 16,

pubspec.lock

@@ -49,6 +49,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.11.0"
+  awesome_notifications:
+    dependency: "direct main"
+    description:
+      name: awesome_notifications
+      sha256: "3eeb9e0cdfc72c7b4b83e9924da38ea86edd65a2af02bd5429aa41dce634ee90"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.8.3"
   boolean_selector:
     dependency: transitive
     description:

pubspec.yaml

@@ -48,6 +48,7 @@ dependencies:
   flutter_launcher_icons: ^0.13.1
   flutter_svg: ^2.0.9
   quiver: ^3.2.1
+  awesome_notifications: any
 
 
 dev_dependencies: