Scheduled Notifications on Android with flutter_local_notifications

Future<void> scheduleNotification(
    String title,
    String content,
    String time,
    int notificationId,
    String? deeplink,
    String channelId,
    String channelName,
    String channelDescription
    /* Change the type to String for the time parameter */
    ) async {
  await requestNotificationPermissions();
  /* Parse the time string into a DateTime object */
  DateTime parsedTime = DateFormat.Hm().parse(time);

  /* Initialize the timezone database */
  tzdata.initializeTimeZones();

  /* Schedule notification based on the provided time */
  FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
      FlutterLocalNotificationsPlugin();

  /* Initialize the Android-specific settings for the notification */
  var androidSettings = AndroidNotificationDetails(
    channelId,
    channelName,
    channelDescription: channelDescription,
    importance: Importance.max,
    priority: Priority.high,
    playSound: true,
    // sound: ''
    icon:
        '@mipmap/ic_launcher', /* Replace with your small icon name without the extension */
  );

  /* Initialize the iOS-specific settings for the notification */
  const DarwinNotificationDetails iOSPlatformChannelSpecifics =
      DarwinNotificationDetails(threadIdentifier: 'thread_id');

  /* Initialize the notification details */
  var notificationDetails = NotificationDetails(
    android: androidSettings,
    iOS: iOSPlatformChannelSpecifics,
  );

  /* Get the device's timezone */
  var deviceTimeZone = tz.getLocation('Europe/Berlin');

  /* Convert the provided time to the device's timezone */
  var scheduledTime = tz.TZDateTime.from(parsedTime, deviceTimeZone);

  /* Schedule the notification */
  await flutterLocalNotificationsPlugin.zonedSchedule(
    notificationId,
    title,
    content,
    scheduledTime,
    notificationDetails,
    androidAllowWhileIdle: true,
    androidScheduleMode: AndroidScheduleMode.exactAllowWhileIdle,
    uiLocalNotificationDateInterpretation:
        UILocalNotificationDateInterpretation.absoluteTime,
    matchDateTimeComponents: DateTimeComponents.time,
    // payload:
    //"{'click_action': 'FLUTTER_NOTIFICATION_CLICK', 'notificationid': ${notificationId}, 'screen': 'mPPushLandingpage'}",
    payload: deeplink,
  );
}