hrt/lib/notification.dart
2023-10-06 14:43:04 +02:00

86 lines
2 KiB
Dart

import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:timezone/data/latest.dart';
import 'package:timezone/timezone.dart';
const details = NotificationDetails(
android: AndroidNotificationDetails(
'hrt',
'HRT',
autoCancel: false,
styleInformation: BigPictureStyleInformation(
DrawableResourceAndroidBitmap('take_your_hrt'),
),
importance: Importance.max,
ongoing: true,
actions: [AndroidNotificationAction("confirmation", "Done!")],
),
);
void _initializePlugin() async {
var initialized = await FlutterLocalNotificationsPlugin().initialize(
const InitializationSettings(
android: AndroidInitializationSettings('estrogen'),
),
);
if (initialized != true) {
throw "Not initialized";
}
}
void sendNotification() async {
_initializePlugin();
await FlutterLocalNotificationsPlugin().show(
1,
null,
null,
details,
);
}
void scheduleNotification() async {
_initializePlugin();
initializeTimeZones();
// [Hours, Minutes]
var times = [
[12, 00],
[18, 00],
];
if (times.isEmpty) return;
var currentTime = TZDateTime.now(local);
// Map the time entries to TZDateTime objects
var notificationTimes = times
.map((item) => TZDateTime(
local,
currentTime.year,
currentTime.month,
currentTime.day,
item[0],
item[1],
))
.toList();
// For all entries in the past, add 1 day
for (var time in notificationTimes
.where((element) => element.compareTo(currentTime) < 0)) {
time.add(const Duration(days: 1));
}
// Sort the array so we can find the closest time
notificationTimes.sort((a, b) => a.compareTo(b));
await FlutterLocalNotificationsPlugin().zonedSchedule(
1,
null,
null,
notificationTimes[0],
details,
uiLocalNotificationDateInterpretation:
UILocalNotificationDateInterpretation.absoluteTime,
);
}