Request Permission for Notification

// 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 'package:flutter_local_notifications/flutter_local_notifications.dart';

Future requestNotificationPermissions() async {
  FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
      FlutterLocalNotificationsPlugin();
  flutterLocalNotificationsPlugin
      .resolvePlatformSpecificImplementation<
          AndroidFlutterLocalNotificationsPlugin>()
      ?.requestPermission();
}

flutter_local_notifications: ^15.1.1

Send Local Notification

// Automatic FlutterFlow imports
import '/backend/schema/enums/enums.dart';
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 'package:flutter_local_notifications/flutter_local_notifications.dart';

Future localNotification(
  String? title,
  String? content,
) async {
  // Send Local Notification only Android
  // Initialize the FlutterLocalNotificationsPlugin
  FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin =
      FlutterLocalNotificationsPlugin();

  // Configure the Android initialization settings
  var initializationSettingsAndroid =
      AndroidInitializationSettings('@mipmap/ic_launcher');

  // Configure the initialization settings for the FlutterLocalNotificationsPlugin
  var initializationSettings = InitializationSettings(
    android: initializationSettingsAndroid,
    iOS: null,
    macOS: null,
  );

  // Initialize the FlutterLocalNotificationsPlugin with the initialization settings
  await flutterLocalNotificationsPlugin.initialize(initializationSettings);

  // Configure the notification details
  var androidPlatformChannelSpecifics = AndroidNotificationDetails(
    'channel_id',
    'channel_name',
    importance: Importance.max,
    priority: Priority.high,
    ticker: 'ticker',
  );

  // Configure the notification
  var notificationDetails = NotificationDetails(
    android: androidPlatformChannelSpecifics,
    iOS: null,
    macOS: null,
  );

  // Show the notification
  await flutterLocalNotificationsPlugin.show(
    0,
    title ?? '', // Use title parameter here
    content ?? '', // Use content parameter here
    notificationDetails,
    payload: 'item x',
  );
}

Schedule Notification -

// Automatic FlutterFlow imports
import '/backend/schema/enums/enums.dart';
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 'package:intl/intl.dart';

import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:timezone/data/latest.dart' as tzdata;
import 'package:timezone/timezone.dart' as tz;

Future<void> scheduleNotification(
  String? title,
  String? content,
  String? time, // Change the type to String for the time parameter
) async {
  // Print the provided time for debugging
  print('Provided time: $time');

  await requestNotificationPermissions();
  // Parse the time string into a DateTime object
  DateTime parsedTime = DateFormat.jm().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(
    'channel_id',
    'channel_name',
    importance: Importance.high,
    priority: Priority.high,
    icon:
        '@mipmap/ic_launcher', // Replace with your small icon name without the extension
  );

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

  // Get the device's timezone
  var deviceTimeZone = tz.local;

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

  // Schedule the notification
  // Schedule the notification
  await flutterLocalNotificationsPlugin.zonedSchedule(
    0,
    title!,
    content!,
    scheduledTime,
    notificationDetails,
    androidAllowWhileIdle: true,
    uiLocalNotificationDateInterpretation:
        UILocalNotificationDateInterpretation.absoluteTime,
    matchDateTimeComponents: DateTimeComponents.time,
    payload: 'Custom_Sound',
		repeatInterval: RepeatInterval.daily,
  );
}