packages, add alarm.

lib/main.dart

@@ -8,12 +8,14 @@ import 'package:flutter_local_notifications/flutter_local_notifications.dart';
 import 'package:timezone/data/latest_all.dart' as tz;
 import 'package:timezone/timezone.dart' as tz;
 import 'package:http/http.dart' as http;
+import 'package:alarm/alarm.dart';
 
 import 'dart:convert';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
   tz.initializeTimeZones();
+  await Alarm.init();
   runApp(const SunsetAlarmApp());
 }
 
@@ -230,6 +232,7 @@ class _HomeScreenState extends State<HomeScreen> {
         'Alarm set for ${alarmTime.hour.toString().padLeft(2, '0')}:${alarmTime.minute.toString().padLeft(2, '0')} (app must stay open)',
       );
     } else if (Platform.isAndroid) {
+      /*** Notifcation Method - Works ***/
       // Android: use zonedSchedule (works in background)
       final tzAlarm = tz.TZDateTime.from(alarmTime, tz.local);
       const androidDetails = AndroidNotificationDetails(
@@ -256,7 +259,27 @@ class _HomeScreenState extends State<HomeScreen> {
       debugPrint('DEBUG: Current time: ${DateTime.now().toUtc().toString()}');
       debugPrint('DEBUG: ${_notifications.toString()}');
 
-      debugPrint('alarm: $tzAlarm, now: ${tz.TZDateTime.now(tz.local)}');
+      /*** Alarm Method - WIP ***/
+      // Schedule:
+      final settings = AlarmSettings(
+        id: 42,
+        dateTime: alarmTime, // your computed sunset time
+        assetAudioPath: 'assets/alarm.mp3', // put an alarm sound in assets/
+        loopAudio: true, // keeps ringing until dismissed
+        vibrate: true,
+        androidFullScreenIntent: true, // wakes screen like clock app
+        volumeSettings: VolumeSettings.fade(
+          volume: 0.8,
+          fadeDuration: Duration(seconds: 5),
+        ),
+        notificationSettings: const NotificationSettings(
+          title: 'Sunset Alarm',
+          body: 'The sun sets now. Time to get ready!',
+          stopButton: 'Dismiss',
+        ),
+      );
+
+      await Alarm.set(alarmSettings: settings);
     } else {
       _showSnack('Platform not detected, unsure how to show alarm.');
     }
@@ -399,8 +422,10 @@ class _HomeScreenState extends State<HomeScreen> {
                     ),
                     onChanged: (v) {
                       final val = int.tryParse(v);
-                      if (val != null && val > 0) {
+                      if (val != null && val >= 0) {
                         _minutesBefore = val;
+                      } else {
+                        _showSnack('Invalid Minute Value');
                       }
                     },
                   ),

pubspec.yaml

@@ -14,6 +14,7 @@ dependencies:
   flutter_local_notifications: ^18.0.0
   timezone: ^0.9.0
   http: ^1.2.0
+  alarm: ^5.13.2
 
 dev_dependencies:
   flutter_test: