feat: dokončit oznámení před obědem

android/app/build.gradle

@@ -47,12 +47,12 @@ android {
     }
 
     defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "cz.hernikplays.opencanteen"
         minSdkVersion 18
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+        multiDexEnabled true
     }
 
       signingConfigs {
@@ -76,4 +76,6 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.android.support:multidex:1.0.3'
+    implementation 'androidx.appcompat:appcompat:1.3.1'
 }

android/app/src/main/res/drawable/notif_icon.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="48dp"
+    android:height="48dp"
+    android:viewportWidth="48"
+    android:viewportHeight="48"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M8.25,42 L6.15,39.9 27.15,18.9Q26.05,16.5 26.65,13.925Q27.25,11.35 29.5,9.1Q31.75,6.9 34.95,6.275Q38.15,5.65 40.2,7.7Q42.3,9.8 41.625,12.95Q40.95,16.1 38.6,18.5Q36.55,20.6 34.025,21.25Q31.5,21.9 29.3,20.95L25.95,24.3L41.55,39.9L39.45,42L23.85,26.4ZM14.5,24.45 L8.55,18.5Q6,15.95 5.9,12.45Q5.8,8.95 8.2,6.25L20.45,18.5Z"/>
+</vector>

lib/main.dart

@@ -1,11 +1,11 @@
 import 'dart:convert';
 import 'dart:io';
 
-import 'package:background_fetch/background_fetch.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:flutter_native_timezone/flutter_native_timezone.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:opencanteen/lang/lang_cz.dart';
 import 'package:opencanteen/loginmanager.dart';
@@ -16,6 +16,8 @@ import 'package:opencanteen/util.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:intl/intl.dart';
+import 'package:timezone/data/latest_all.dart' as tz;
+import 'package:timezone/timezone.dart' as tz;
 
 import 'lang/lang.dart';
 import 'lang/lang_en.dart';
@@ -41,20 +43,18 @@ Copyright (C) 2022  Matyáš Caras a přispěvatelé
 final FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
     FlutterLocalNotificationsPlugin();
 
-void oznamitPredem(SharedPreferences prefs, {Languages? l}) async {
+void oznamitPredem(SharedPreferences prefs, tz.Location l) async {
   String title;
-  if (l == null) {
+
-    String locale = Intl.getCurrentLocale();
+  String locale = Intl.getCurrentLocale();
-    switch (locale) {
+  switch (locale) {
-      case "cs_CZ":
+    case "cs_CZ":
-        title = LanguageCz().lunchNotif;
+      title = LanguageCz().lunchNotif;
-        break;
+      break;
-      default:
+    default:
-        title = LanguageEn().lunchNotif;
+      title = LanguageEn().lunchNotif;
-    }
-  } else {
-    title = l.lunchNotif;
   }
+
   if (prefs.getBool("offline") ?? false) {
     // TODO možnost brát z offline dat
   } else {
@@ -66,21 +66,28 @@ void oznamitPredem(SharedPreferences prefs, {Languages? l}) async {
         var jidla = await c.jidelnicekDen();
         try {
           var jidlo = jidla.jidla.singleWhere((element) => element.objednano);
-          var ted = TimeOfDay.now();
+          var kdy = DateTime.parse(prefs.getString("oznameni_cas")!);
-          var kdy = prefs.getString("oznameni_cas");
+          const AndroidNotificationDetails androidSpec =
-          var cas = TimeOfDay.fromDateTime(DateTime.parse(kdy!));
-          if (ted.hour == cas.hour && ted.minute == cas.minute) {
-            const AndroidNotificationDetails androidPlatformChannelSpecifics =
               AndroidNotificationDetails('opencanteen', 'predobjedem',
                   channelDescription: 'Oznámení o dnešním jídle',
                   importance: Importance.max,
                   priority: Priority.high,
                   ticker: 'today meal');
-          const NotificationDetails platformChannelSpecifics =
+          const IOSNotificationDetails iOSpec =
-              NotificationDetails(android: androidPlatformChannelSpecifics);
+              IOSNotificationDetails(presentAlert: true, presentBadge: true);
-          await flutterLocalNotificationsPlugin.show(
+          await flutterLocalNotificationsPlugin.zonedSchedule(
-              0, title, "${jidlo.nazev} - ${jidlo.varianta}", platformChannelSpecifics);
+              0,
-          }
+              title,
+              "${jidlo.nazev} - ${jidlo.varianta}",
+              tz.TZDateTime.from(
+                  casNaDate(
+                    TimeOfDay(hour: kdy.hour, minute: kdy.minute),
+                  ),
+                  l),
+              const NotificationDetails(android: androidSpec, iOS: iOSpec),
+              androidAllowWhileIdle: true,
+              uiLocalNotificationDateInterpretation:
+                  UILocalNotificationDateInterpretation.absoluteTime);
         } on StateError catch (_) {
           // nenalezeno
         }
@@ -89,46 +96,29 @@ void oznamitPredem(SharedPreferences prefs, {Languages? l}) async {
   }
 }
 
-// Pouze pro Android
-void backgroundFetchHeadlessTask(HeadlessTask task) async {
-  String taskId = task.taskId;
-  bool isTimeout = task.timeout;
-  if (isTimeout) {
-    // Timeout
-    debugPrint("[BackgroundFetch] Headless task má time-out: $taskId");
-    BackgroundFetch.finish(taskId);
-    return;
-  }
-  var prefs = await SharedPreferences.getInstance();
-  debugPrint('[BackgroundFetch] Přišel headless event.');
-
-  if (prefs.getBool("oznamit") ?? false) {
-    // Oznámení před obědem
-    oznamitPredem(prefs);
-  }
-  BackgroundFetch.finish(taskId);
-}
-
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
+  tz.initializeTimeZones();
+  var l = tz.getLocation(await FlutterNativeTimezone.getLocalTimezone());
+  tz.setLocalLocation(l);
+
+  var prefs = await SharedPreferences.getInstance();
+  if (prefs.getBool("oznamit") ?? false) {
+    oznamitPredem(prefs, l);
+  }
+
   const AndroidInitializationSettings initializationSettingsAndroid =
       AndroidInitializationSettings('notif_icon');
 
-  /// Note: permissions aren't requested here just to demonstrate that can be
-  /// done later
   final IOSInitializationSettings initializationSettingsIOS =
-      IOSInitializationSettings(
+      IOSInitializationSettings(onDidReceiveLocalNotification: (
-          requestAlertPermission: false,
+    int id,
-          requestBadgePermission: false,
+    String? title,
-          requestSoundPermission: false,
+    String? body,
-          onDidReceiveLocalNotification: (
+    String? payload,
-            int id,
+  ) async {
-            String? title,
+    debugPrint(body);
-            String? body,
+  });
-            String? payload,
-          ) async {
-            debugPrint(body);
-          });
 
   final InitializationSettings initializationSettings = InitializationSettings(
     android: initializationSettingsAndroid,
@@ -141,7 +131,6 @@ void main() async {
     }
   });
   runApp(const MyApp());
-  BackgroundFetch.registerHeadlessTask(backgroundFetchHeadlessTask);
 }
 
 class MyApp extends StatelessWidget {
@@ -182,32 +171,6 @@ class _LoginPageState extends State<LoginPage> {
   TextEditingController canteenControl = TextEditingController();
   bool rememberMe = false;
 
-  void nastavitPozadi() async {
-    // Configure BackgroundFetch.
-    int status = await BackgroundFetch.configure(
-        BackgroundFetchConfig(
-            minimumFetchInterval: 15,
-            stopOnTerminate: false,
-            enableHeadless: true,
-            requiresBatteryNotLow: false,
-            requiresCharging: false,
-            requiresStorageNotLow: false,
-            requiresDeviceIdle: false,
-            requiredNetworkType: NetworkType.ANY), (String taskId) async {
-      // Callback
-      debugPrint("[BackgroundFetch] Event získán $taskId");
-      var d = await LoginManager.getDetails();
-      if (d != null) {
-        // TODO
-      }
-      BackgroundFetch.finish(taskId);
-    }, (String taskId) async {
-      debugPrint("[BackgroundFetch] TASK TIMEOUT taskId: $taskId");
-      BackgroundFetch.finish(taskId);
-    });
-    debugPrint('[BackgroundFetch] úspěšně nakonfigurováno: $status');
-  }
-
   @override
   void initState() {
     super.initState();
@@ -254,19 +217,18 @@ class _LoginPageState extends State<LoginPage> {
           }
           const storage = FlutterSecureStorage();
           var odsouhlasil = await storage.read(key: "oc_souhlas");
-          nastavitPozadi();
           if (odsouhlasil == null || odsouhlasil != "ano") {
             Navigator.pushReplacement(
                 context,
                 MaterialPageRoute(
-                    builder: (c) => WelcomeScreen(canteen: canteen)));
+                    builder: (c) => WelcomeScreen(
+                        canteen: canteen, n: flutterLocalNotificationsPlugin)));
           } else {
             Navigator.pushReplacement(
               context,
               MaterialPageRoute(
                   builder: (context) => JidelnicekPage(
-                        canteen: canteen,
+                      canteen: canteen, n: flutterLocalNotificationsPlugin)),
-                      )),
             );
           }
         } on PlatformException {
@@ -392,7 +354,6 @@ class _LoginPageState extends State<LoginPage> {
                             LoginManager.setDetails(userControl.text,
                                 passControl.text, canteenControl.text);
                           }
-                          nastavitPozadi();
                           // souhlas
                           const storage = FlutterSecureStorage();
                           var odsouhlasil =
@@ -401,15 +362,16 @@ class _LoginPageState extends State<LoginPage> {
                             Navigator.pushReplacement(
                                 context,
                                 MaterialPageRoute(
-                                    builder: (c) =>
+                                    builder: (c) => WelcomeScreen(
-                                        WelcomeScreen(canteen: canteen)));
+                                        canteen: canteen,
+                                        n: flutterLocalNotificationsPlugin)));
                           } else {
                             Navigator.pushReplacement(
                               context,
                               MaterialPageRoute(
                                   builder: (context) => JidelnicekPage(
-                                        canteen: canteen,
+                                      canteen: canteen,
-                                      )),
+                                      n: flutterLocalNotificationsPlugin)),
                             );
                           }
                         } on PlatformException {

lib/okna/burza.dart

@@ -1,13 +1,16 @@
 import 'package:canteenlib/canteenlib.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:opencanteen/util.dart';
 
 import '../lang/lang.dart';
 import '../main.dart';
 
 class BurzaPage extends StatefulWidget {
-  const BurzaPage({Key? key, required this.canteen}) : super(key: key);
+  const BurzaPage({Key? key, required this.canteen, required this.n})
+      : super(key: key);
   final Canteen canteen;
+  final FlutterLocalNotificationsPlugin n;
   @override
   State<BurzaPage> createState() => _BurzaPageState();
 }
@@ -112,7 +115,7 @@ class _BurzaPageState extends State<BurzaPage> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      drawer: drawerGenerator(context, widget.canteen, 3),
+      drawer: drawerGenerator(context, widget.canteen, 3, widget.n),
       appBar: AppBar(
         title: Text(Languages.of(context)!.exchange),
       ),

lib/okna/jidelnicek.dart

@@ -3,6 +3,7 @@ import 'dart:io';
 
 import 'package:canteenlib/canteenlib.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:opencanteen/okna/nastaveni.dart';
 import 'package:opencanteen/util.dart';
@@ -15,8 +16,10 @@ import '../main.dart';
 import 'about.dart';
 
 class JidelnicekPage extends StatefulWidget {
-  const JidelnicekPage({Key? key, required this.canteen}) : super(key: key);
+  const JidelnicekPage({Key? key, required this.canteen, required this.n})
+      : super(key: key);
   final Canteen canteen;
+  final FlutterLocalNotificationsPlugin n;
   @override
   State<JidelnicekPage> createState() => _JidelnicekPageState();
 }
@@ -301,7 +304,8 @@ class _JidelnicekPageState extends State<JidelnicekPage> {
     });
   }
 
-  void kliknuti(String value, BuildContext context) {
+  void kliknuti(
+      String value, BuildContext context, FlutterLocalNotificationsPlugin n) {
     if (value == Languages.of(context)!.signOut) {
       const storage = FlutterSecureStorage();
       storage.deleteAll();
@@ -314,7 +318,7 @@ class _JidelnicekPageState extends State<JidelnicekPage> {
           context, MaterialPageRoute(builder: (c) => const AboutPage()));
     } else if (value == Languages.of(context)!.settings) {
       Navigator.push(
-          context, MaterialPageRoute(builder: (c) => const Nastaveni()));
+          context, MaterialPageRoute(builder: (c) => Nastaveni(n: n)));
     }
   }
 
@@ -365,12 +369,12 @@ class _JidelnicekPageState extends State<JidelnicekPage> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      drawer: drawerGenerator(context, widget.canteen, 1),
+      drawer: drawerGenerator(context, widget.canteen, 1, widget.n),
       appBar: AppBar(
         title: Text(Languages.of(context)!.menu),
         actions: [
           PopupMenuButton(
-            onSelected: ((String value) => kliknuti(value, context)),
+            onSelected: ((String value) => kliknuti(value, context, widget.n)),
             itemBuilder: (BuildContext context) {
               return {
                 Languages.of(context)!.reportBugs,

lib/okna/nastaveni.dart

@@ -1,13 +1,22 @@
 import 'dart:io';
 
+import 'package:canteenlib/canteenlib.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+import 'package:flutter_native_timezone/flutter_native_timezone.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:timezone/data/latest_all.dart' as tz;
+import 'package:timezone/timezone.dart' as tz;
 
 import '../lang/lang.dart';
+import '../loginmanager.dart';
+import '../util.dart';
 
 class Nastaveni extends StatefulWidget {
-  const Nastaveni({Key? key}) : super(key: key);
+  const Nastaveni({Key? key, required this.n}) : super(key: key);
+
+  final FlutterLocalNotificationsPlugin n;
 
   @override
   State<Nastaveni> createState() => _NastaveniState();
@@ -18,7 +27,7 @@ class _NastaveniState extends State<Nastaveni> {
   bool _preskakovatVikend = false;
   bool _kontrolovatTyden = false;
   bool _oznameniObed = false;
-  String? _oznameniCas;
+  TimeOfDay _oznameniCas = TimeOfDay.now();
 
   void najitNastaveni() async {
     var preferences = await SharedPreferences.getInstance();
@@ -27,7 +36,14 @@ class _NastaveniState extends State<Nastaveni> {
       _preskakovatVikend = preferences.getBool("skip") ?? false;
       _kontrolovatTyden = preferences.getBool("tyden") ?? false;
       _oznameniObed = preferences.getBool("oznamit") ?? false;
-      _oznameniCas = preferences.getString("oznameni_cas");
+      var _casStr = preferences.getString("oznameni_cas");
+      if (_casStr == null) {
+        var now = DateTime.now();
+        _oznameniCas = TimeOfDay.fromDateTime(DateTime.now());
+        preferences.setString("oznameni_cas", now.toString());
+      } else {
+        _oznameniCas = TimeOfDay.fromDateTime(DateTime.parse(_casStr));
+      }
     });
   }
 
@@ -99,23 +115,82 @@ class _NastaveniState extends State<Nastaveni> {
             Row(
               mainAxisAlignment: MainAxisAlignment.spaceBetween,
               children: [
-                Text(Languages.of(context)!.skipWeekend),
+                Flexible(child: Text(Languages.of(context)!.notifyLunch)),
                 Switch(
                     value: _oznameniObed,
                     onChanged: (value) {
                       setState(() {
                         _oznameniObed = value;
-                        zmenitNastaveni("oznamit", value);
+                        zmenitNastaveni("oznamit",
+                            value); // TODO: změnit pouze s uloženými údaji
                       });
                     })
               ],
             ),
             Text(Languages.of(context)!.notifyAt),
-            TimePickerDialog(
+            TextButton(
-              initialTime: (_oznameniCas == null)
+                style: ButtonStyle(
-                  ? TimeOfDay.now()
+                    textStyle: MaterialStateProperty.all(TextStyle(
-                  : TimeOfDay.fromDateTime(DateTime.parse(_oznameniCas!)),
+                        color: (_oznameniObed) ? Colors.grey : Colors.purple))),
-            )
+                onPressed: () async {
+                  if (_oznameniObed) {
+                    var cas = await showTimePicker(
+                        context: context, initialTime: _oznameniCas);
+                    if (cas != null) {
+                      var prefs = await SharedPreferences.getInstance();
+                      prefs.setString(
+                          "oznameni_cas",
+                          casNaDate(cas)
+                              .toString()); // aktualizovat vybraný čas
+                      var d = await LoginManager.getDetails(); // získat údaje
+                      if (d != null) {
+                        // Nové oznámení
+                        var c = Canteen(d["url"]!);
+                        if (await c.login(d["user"]!, d["pass"]!)) {
+                          var jidla = await c.jidelnicekDen();
+                          try {
+                            var jidlo = jidla.jidla
+                                .singleWhere((element) => element.objednano);
+
+                            const AndroidNotificationDetails androidSpec =
+                                AndroidNotificationDetails(
+                                    'opencanteen', 'predobjedem',
+                                    channelDescription:
+                                        'Oznámení o dnešním jídle',
+                                    importance: Importance.max,
+                                    priority: Priority.high,
+                                    ticker: 'today meal');
+                            const IOSNotificationDetails iOSpec =
+                                IOSNotificationDetails(
+                                    presentAlert: true, presentBadge: true);
+                            debugPrint(casNaDate(cas).toString());
+                            var l = tz.getLocation(
+                                await FlutterNativeTimezone.getLocalTimezone());
+                            await widget.n.zonedSchedule(
+                                // Vytvoří nové oznámení pro daný čas a datum
+                                0,
+                                Languages.of(context)!.lunchNotif,
+                                "${jidlo.nazev} - ${jidlo.varianta}",
+                                tz.TZDateTime.from(casNaDate(cas), l),
+                                const NotificationDetails(
+                                    android: androidSpec, iOS: iOSpec),
+                                androidAllowWhileIdle: true,
+                                uiLocalNotificationDateInterpretation:
+                                    UILocalNotificationDateInterpretation
+                                        .absoluteTime);
+                          } on StateError catch (_) {
+                            // nenalezeno
+                          }
+                        }
+                      }
+                    }
+                    setState(() {
+                      _oznameniCas = cas ?? _oznameniCas;
+                    });
+                  }
+                },
+                child: Text(
+                    "${(_oznameniCas.hour < 10 ? "0" : "") + _oznameniCas.hour.toString()}:${(_oznameniCas.minute < 10 ? "0" : "") + _oznameniCas.minute.toString()}")),
           ],
         ),
       )),

lib/okna/offline_jidelnicek.dart

@@ -87,9 +87,6 @@ class _OfflineJidelnicekState extends State<OfflineJidelnicek> {
     } else if (value == Languages.of(context)!.about) {
       Navigator.push(
           context, MaterialPageRoute(builder: (c) => const AboutPage()));
-    } else if (value == Languages.of(context)!.settings) {
-      Navigator.push(
-          context, MaterialPageRoute(builder: (c) => const Nastaveni()));
     }
   }
 
@@ -111,7 +108,6 @@ class _OfflineJidelnicekState extends State<OfflineJidelnicek> {
             itemBuilder: (BuildContext context) {
               return {
                 Languages.of(context)!.reportBugs,
-                Languages.of(context)!.settings,
                 Languages.of(context)!.about,
                 Languages.of(context)!.signOut
               }.map((String choice) {

lib/okna/welcome.dart

@@ -1,14 +1,17 @@
 import 'package:canteenlib/canteenlib.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:introduction_screen/introduction_screen.dart';
 import 'package:opencanteen/lang/lang.dart';
 import 'package:opencanteen/okna/jidelnicek.dart';
 
 class WelcomeScreen extends StatefulWidget {
-  const WelcomeScreen({Key? key, required this.canteen}) : super(key: key);
+  const WelcomeScreen({Key? key, required this.canteen, required this.n})
+      : super(key: key);
 
   final Canteen canteen;
+  final FlutterLocalNotificationsPlugin n;
 
   @override
   State<WelcomeScreen> createState() => _WelcomeScreenState();
@@ -67,7 +70,8 @@ class _WelcomeScreenState extends State<WelcomeScreen> {
           const storage = FlutterSecureStorage();
           await storage.write(key: "oc_souhlas", value: "ano");
           Navigator.of(context).pushReplacement(MaterialPageRoute(
-              builder: (c) => JidelnicekPage(canteen: widget.canteen)));
+              builder: (c) =>
+                  JidelnicekPage(canteen: widget.canteen, n: widget.n)));
         },
       ),
     );

lib/util.dart

@@ -1,11 +1,13 @@
 import 'package:canteenlib/canteenlib.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:opencanteen/okna/burza.dart';
 
 import 'lang/lang.dart';
 import 'okna/jidelnicek.dart';
 
-Drawer drawerGenerator(BuildContext context, Canteen canteen, int p) {
+Drawer drawerGenerator(BuildContext context, Canteen canteen, int p,
+    FlutterLocalNotificationsPlugin n) {
   Drawer drawer = const Drawer();
   switch (p) {
     case 1:
@@ -28,7 +30,7 @@ Drawer drawerGenerator(BuildContext context, Canteen canteen, int p) {
               onTap: () => Navigator.push(
                 context,
                 MaterialPageRoute(
-                  builder: (context) => BurzaPage(canteen: canteen),
+                  builder: (context) => BurzaPage(canteen: canteen, n: n),
                 ),
               ),
             ),
@@ -50,7 +52,7 @@ Drawer drawerGenerator(BuildContext context, Canteen canteen, int p) {
               onTap: () => Navigator.push(
                   context,
                   MaterialPageRoute(
-                      builder: (c) => JidelnicekPage(canteen: canteen))),
+                      builder: (c) => JidelnicekPage(canteen: canteen, n: n))),
             ),
             ListTile(
               leading: const Icon(Icons.store),
@@ -81,3 +83,10 @@ class OfflineJidlo {
       required this.naBurze,
       required this.den});
 }
+
+/// Vytvoří [DateTime] z [TimeOfDay]
+DateTime casNaDate(TimeOfDay c) {
+  var now = DateTime.now();
+  return DateTime.parse(
+      "${now.year}-${(now.month < 10 ? "0" : "") + now.month.toString()}-${(now.day < 10 ? "0" : "") + now.day.toString()} ${(c.hour < 10 ? "0" : "") + c.hour.toString()}:${(c.minute < 10 ? "0" : "") + c.minute.toString()}:00");
+}

pubspec.lock

@@ -22,13 +22,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.8.2"
-  background_fetch:
-    dependency: "direct main"
-    description:
-      name: background_fetch
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.0"
   canteenlib:
     dependency: "direct main"
     description:
@@ -144,6 +137,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_native_timezone:
+    dependency: "direct main"
+    description:
+      name: flutter_native_timezone
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   flutter_secure_storage:
     dependency: "direct main"
     description:
@@ -421,7 +421,7 @@ packages:
     source: hosted
     version: "1.2.0"
   timezone:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: timezone
       url: "https://pub.dartlang.org"

pubspec.yaml

@@ -23,7 +23,8 @@ dependencies:
   shared_preferences: ^2.0.13
   introduction_screen: ^3.0.1
   flutter_local_notifications: ^9.5.3+1
-  background_fetch: ^1.1.0
+  timezone: ^0.8.0
+  flutter_native_timezone: ^2.0.0
 
 dev_dependencies:
   flutter_lints: ^1.0.0