Restart project with code snippets by Ask Brave.
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@@ -1,45 +1,377 @@
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:geolocator/geolocator.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:timezone/data/latest_all.dart' as tz;
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import 'package:timezone/timezone.dart' as tz;
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import 'package:http/http.dart' as http;
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import 'dart:convert';
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void main() {
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runApp(const MainApp());
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void main() async {
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WidgetsFlutterBinding.ensureInitialized();
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tz.initializeTimeZones();
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runApp(const SunsetAlarmApp());
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}
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class MainApp extends StatelessWidget {
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const MainApp({super.key});
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class SunsetAlarmApp extends StatelessWidget {
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const SunsetAlarmApp({super.key});
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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home: Scaffold(
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body: Column(
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title: 'Sunset Alarm',
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theme: ThemeData(
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colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepOrange),
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useMaterial3: true,
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),
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home: const HomeScreen(),
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);
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}
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}
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class HomeScreen extends StatefulWidget {
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const HomeScreen({super.key});
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@override
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State<HomeScreen> createState() => _HomeScreenState();
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}
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class _HomeScreenState extends State<HomeScreen> {
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final _latController = TextEditingController();
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final _lngController = TextEditingController();
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final _sunsetController = TextEditingController();
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final FlutterLocalNotificationsPlugin _notifications =
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FlutterLocalNotificationsPlugin();
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bool _alarmEnabled = false;
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int _minutesBefore = 30;
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bool _loading = false;
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static const _alarmId = 1001;
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@override
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void initState() {
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super.initState();
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_initNotifications();
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_loadPrefs();
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}
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Future<void> _initNotifications() async {
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const androidInit =
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AndroidInitializationSettings('@mipmap/ic_launcher');
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const linuxInit = DarwinInitializationSettings();
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await _notifications.initialize(
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const InitializationSettings(
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android: androidInit,
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iOS: linuxInit,
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),
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);
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}
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Future<void> _loadPrefs() async {
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final prefs = await SharedPreferences.getInstance();
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setState(() {
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final lat = prefs.getDouble('lat');
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final lng = prefs.getDouble('lng');
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final sunset = prefs.getString('sunset_time');
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_alarmEnabled = prefs.getBool('alarm_enabled') ?? false;
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_minutesBefore = prefs.getInt('minutes_before') ?? 30;
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if (lat != null) _latController.text = lat.toString();
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if (lng != null) _lngController.text = lng.toString();
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if (sunset != null) _sunsetController.text = sunset;
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});
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if (_alarmEnabled && _sunsetController.text.isNotEmpty) {
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_scheduleAlarm();
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}
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}
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Future<void> _savePrefs() async {
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final prefs = await SharedPreferences.getInstance();
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final lat = double.tryParse(_latController.text);
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final lng = double.tryParse(_lngController.text);
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if (lat != null) await prefs.setDouble('lat', lat);
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if (lng != null) await prefs.setDouble('lng', lng);
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if (_sunsetController.text.isNotEmpty) {
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await prefs.setString('sunset_time', _sunsetController.text);
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}
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await prefs.setBool('alarm_enabled', _alarmEnabled);
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await prefs.setInt('minutes_before', _minutesBefore);
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}
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Future<void> _getGpsLocation() async {
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try {
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bool serviceEnabled = await Geolocator.isLocationServiceEnabled();
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if (!serviceEnabled) {
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_showSnack('Location services are disabled.');
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return;
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}
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LocationPermission permission = await Geolocator.checkPermission();
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if (permission == LocationPermission.denied) {
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permission = await Geolocator.requestPermission();
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if (permission == LocationPermission.denied) {
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_showSnack('Location permission denied.');
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return;
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}
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}
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final position = await Geolocator.getCurrentPosition(
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desiredAccuracy: LocationAccuracy.high,
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);
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setState(() {
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_latController.text = position.latitude.toString();
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_lngController.text = position.longitude.toString();
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});
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await _savePrefs();
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_showSnack('Location updated.');
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} catch (e) {
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_showSnack('GPS error: $e');
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}
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}
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Future<void> _fetchSunset() async {
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final lat = double.tryParse(_latController.text);
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final lng = double.tryParse(_lngController.text);
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if (lat == null || lng == null) {
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_showSnack('Enter valid latitude and longitude first.');
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return;
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}
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setState(() => _loading = true);
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try {
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final url = Uri.parse(
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'https://api.open-meteo.com/v1/forecast'
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'?latitude=$lat&longitude=$lng'
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'&daily=sunset&timezone=auto&forecast_days=1',
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);
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final response = await http.get(url);
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if (response.statusCode == 200) {
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final data = jsonDecode(response.body);
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final sunsetStr = data['daily']['sunset'][0] as String;
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// "2026-09-12T19:42" -> "19:42"
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final timePart = sunsetStr.split('T')[1];
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setState(() => _sunsetController.text = timePart);
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await _savePrefs();
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_showSnack('Sunset: $timePart');
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} else {
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_showSnack('API error: ${response.statusCode}');
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}
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} catch (e) {
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_showSnack('Network error: $e');
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} finally {
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setState(() => _loading = false);
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}
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}
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Future<void> _scheduleAlarm() async {
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final sunsetText = _sunsetController.text.trim();
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if (sunsetText.isEmpty) return;
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final now = DateTime.now();
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final parts = sunsetText.split(':');
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if (parts.length < 2) return;
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final h = int.parse(parts[0]);
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final m = int.parse(parts[1]);
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var alarmTime = DateTime(now.year, now.month, now.day, h, m);
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// If the alarm time has already passed today, schedule for tomorrow
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if (alarmTime.isBefore(now)) {
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alarmTime = alarmTime.add(const Duration(days: 1));
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}
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// Subtract the "minutes before" offset
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alarmTime = alarmTime.subtract(Duration(minutes: _minutesBefore));
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if (alarmTime.isBefore(now)) {
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_showSnack('Alarm time is in the past. Will fire tomorrow.');
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alarmTime = alarmTime.add(const Duration(days: 1));
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}
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final tzAlarm = tz.TZDateTime.from(alarmTime, tz.local);
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const androidDetails = AndroidNotificationDetails(
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'sunset_alarm',
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'Sunset Alarm',
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channelDescription: 'Alarm X minutes before sunset',
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importance: Importance.max,
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priority: Priority.high,
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fullScreenIntent: true,
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category: AndroidNotificationCategory.alarm,
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);
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const linuxDetails = DarwinNotificationDetails(
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presentAlert: true,
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presentBadge: true,
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presentSound: true,
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);
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await _notifications.zonedSchedule(
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_alarmId,
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'Sunset in ${_minutesBefore} min',
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'The sun sets at $sunsetText. Time to get ready!',
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tzAlarm,
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NotificationDetails(android: androidDetails, iOS: linuxDetails),
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androidScheduleMode: AndroidScheduleMode.alarmClock,
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uiLocalNotificationDateInterpretation:
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UILocalNotificationDateInterpretation.absoluteTime,
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);
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}
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Future<void> _toggleAlarm(bool value) async {
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setState(() => _alarmEnabled = value);
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await _savePrefs();
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if (value) {
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await _scheduleAlarm();
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_showSnack('Alarm scheduled.');
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} else {
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await _notifications.cancel(_alarmId);
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_showSnack('Alarm cancelled.');
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}
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}
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void _showSnack(String msg) {
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ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(msg)));
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}
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@override
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void dispose() {
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_latController.dispose();
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_lngController.dispose();
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_sunsetController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(title: const Text('Sunset Alarm')),
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body: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text("Sunset Coordinates"), // TODO: Text Field
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Text(
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"Hours before Sunset",
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), // TODO: Text Field. Add Spanish translation "Horas antes Noche"
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TextButton(
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child: Text("Set Alarm"),
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onPressed: () {
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null;
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},
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),
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// If enabled, this section controls "Pythagorian theorum" (spelling)
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// type math to check if the user has exited the distance from the
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// sunset location.
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Text("Enable Proximity Detector / Geofencing"), // TODO: Checkbox
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Text(
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"Current Coordinates",
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), // TODO: Read Only View with current location
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// --- Location section ---
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const Text('Location',
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
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const SizedBox(height: 8),
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Text("Distance"), // TODO: Text Field
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Text("* Miles, * Kilometers"), // TODO: Radio Button Group
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Expanded(
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child: TextField(
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controller: _latController,
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keyboardType:
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const TextInputType.numberWithOptions(signed: true, decimal: true),
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decoration: const InputDecoration(
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labelText: 'Latitude',
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border: OutlineInputBorder(),
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),
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onChanged: (_) => _savePrefs(),
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: TextField(
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controller: _lngController,
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keyboardType:
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const TextInputType.numberWithOptions(signed: true, decimal: true),
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decoration: const InputDecoration(
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labelText: 'Longitude',
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border: OutlineInputBorder(),
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),
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onChanged: (_) => _savePrefs(),
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),
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),
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const SizedBox(width: 8),
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IconButton.filledTonal(
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icon: const Icon(Icons.my_location),
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tooltip: 'Get GPS location',
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onPressed: _getGpsLocation,
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),
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],
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),
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const SizedBox(height: 16),
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// --- Sunset time section ---
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const Text('Sunset',
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
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const SizedBox(height: 8),
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Row(
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children: [
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Expanded(
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child: TextField(
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controller: _sunsetController,
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decoration: const InputDecoration(
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labelText: 'Sunset time (HH:MM)',
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border: OutlineInputBorder(),
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),
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onChanged: (_) => _savePrefs(),
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),
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),
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const SizedBox(width: 8),
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IconButton.filledTonal(
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icon: _loading
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Icon(Icons.cloud_done_outlined),
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tooltip: 'Fetch sunset from Open-Meteo',
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onPressed: _loading ? null : _fetchSunset,
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),
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],
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),
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const SizedBox(height: 16),
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// --- Minutes before ---
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const Text('Alert Before Sunset',
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold)),
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const SizedBox(height: 8),
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Row(
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children: [
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const Text('Minutes before: '),
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SizedBox(
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width: 80,
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child: TextField(
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controller: TextEditingController(text: '$_minutesBefore'),
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keyboardType: TextInputType.number,
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decoration:
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const InputDecoration(border: OutlineInputBorder()),
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onEditingComplete: () async {
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final val = int.tryParse(
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(findContextController() as TextEditingController?)?.text ?? '');
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if (val != null && val > 0) {
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setState(() => _minutesBefore = val);
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await _savePrefs();
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}
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},
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),
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),
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],
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),
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const SizedBox(height: 24),
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// --- Toggle ---
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SwitchListTile(
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title: const Text('Enable Sunset Alarm'),
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subtitle: Text(
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_alarmEnabled
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? 'Will alert ${_minutesBefore} min before sunset'
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: 'Alarm is off',
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),
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value: _alarmEnabled,
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onChanged: _toggleAlarm,
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),
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],
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),
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),
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);
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}
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}
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// Helper to avoid recreating TextEditingController on each build
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TextEditingController? _minutesController;
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TextEditingController? findContextController() {
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_minutesController ??= TextEditingController(text: '$_minutesBefore');
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return _minutesController;
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}
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}
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