Customized alarm using the system's local time in military hours

// Automatic FlutterFlow imports

import '/flutter_flow/flutter_flow_theme.dart';

import '/flutter_flow/flutter_flow_util.dart';

import '/custom_code/actions/index.dart'; // Imports other custom actions

import '/flutter_flow/custom_functions.dart'; // Imports custom functions

import 'package:flutter/material.dart';

// Begin custom action code

// DO NOT REMOVE OR MODIFY THE CODE ABOVE!

import 'dart:convert';

import 'dart:math' as math;

import 'package:google_fonts/google_fonts.dart';

import 'package:intl/intl.dart';

import 'package:timeago/timeago.dart' as timeago;

import '../../flutter_flow/lat_lng.dart';

import '../../flutter_flow/place.dart';

import '../../flutter_flow/uploaded_file.dart';

import 'dart:async';

// The following function is a custom action that creates a new alarm

// based on the provided hour and minute parameters. It checks the current time,

// and if the current hour and minute match the specified hour and minute,

// it returns a message indicating that the alarm is ringing. Otherwise, it waits

// for 1 second and calls itself recursively to keep checking the time until the alarm time is reached.

Future<String?> newCustomAction(int hour, int minutes) async {

  // Get the current time

  DateTime now = DateTime.now();

  int currentHour = now.hour;

  int currentMinute = now.minute;

  if (currentHour == hour && currentMinute == minutes) {

    return 'Alarm is ringing $hour:$minutes!'; // Replace this message with whatever you want to do when the alarm rings.

  } else {

    // Wait for 1 second before calling the newCustomAction recursively

    await Future.delayed(Duration(seconds: 1));

    return await newCustomAction(hour, minutes);

  }

}

void main() async {

  int alarmHour = 12;

  int alarmMinutes = 30;

  // Call the custom action function with the specified alarmHour and alarmMinutes.

  // The function will keep checking the time until the specified alarm time is reached.

  String? alarmStatus = await newCustomAction(alarmHour, alarmMinutes);

  print(alarmStatus); // Will print 'Alarm is ringing $hour:$minutes!' when the alarm time is reached.

}