NotificationService.apple.cs

using System;
using System.Collections.Generic;
using System.Text;

using AudioToolbox;

using UserNotifications;

namespace Plugin.NotificationService
{
	/// <summary>
	/// Interface for NotificationService
	/// </summary>
	public class NotificationServiceImplementation : INotificationService
	{
		public void CancelNotification(int id)
		{
			UNUserNotificationCenter.Current.RemoveAllPendingNotificationRequests();
			UNUserNotificationCenter.Current.RemoveAllDeliveredNotifications();
			UNUserNotificationCenter.Current.RemovePendingNotificationRequests(new string[] { id.ToString() });
		}

		private static UNMutableNotificationContent CreateNotificationContent(string title, string subtitle, string body)
		{
			return new UNMutableNotificationContent
			{
				Title = title,
				Subtitle = subtitle,
				Body = body,
				Badge = 1,
				Sound = UNNotificationSound.DefaultCriticalSound,
			};
		}


		public void ShowNotification(string title, string subtitle, string body, int id, DateTimeOffset notificationTime)
		{
			ShowNotification(title, subtitle, body, id, notificationTime.Subtract(DateTimeOffset.Now));
		}

		public void ShowNotification(string title, string subtitle, string body, int id, TimeSpan waitInterval)
		{
			try
			{
				UNMutableNotificationContent content = CreateNotificationContent(title, subtitle, body);
				var trigger = UNTimeIntervalNotificationTrigger.CreateTrigger(waitInterval.TotalSeconds, false);
				var request = UNNotificationRequest.FromIdentifier(id.ToString(), content, trigger);

				UNUserNotificationCenter.Current.AddNotificationRequest(request, (err) =>
				{
					if (err == null)
					{
						SystemSound.Vibrate.PlayAlertSound();
					}
					else
					{
					}
				});
			}
			catch (Exception)
			{
			}
		}

	}
}