private void CheckFree()
        {
            string URL = "http://13.65.148.113/api/Orders/Empty";

            using (var webClient = new System.Net.WebClient())
            {
                var          json   = webClient.DownloadString(URL);
                List <Order> orders = JsonConvert.DeserializeObject <List <Order> >(json);
                if (orders != null)
                {
                    OrderListAdapter listAdapter = new OrderListAdapter(this, orders);
                    if (listAdapter.Count > 4)
                    {
                        // Instantiate the builder and set notification elements:
                        Notification.Builder builder = new Notification.Builder(Activity)
                                                       .SetContentTitle("Смайлик Курьер")
                                                       .SetContentText("У нас есть для тебя работа!")
                                                       .SetSmallIcon(Android.Resource.Drawable.SymDefAppIcon);

                        // Build the notification:
                        Notification notification = builder.Build();

                        // Get the notification manager:
                        NotificationManager notificationManager =
                            Activity.GetSystemService(Context.NotificationService) as NotificationManager;

                        // Publish the notification:
                        const int notificationId = 0;
                        notificationManager.Notify(notificationId, notification);
                    }
                }
            }
        }
        private void LoadData(View view)
        {
            string URL = "http://13.65.148.113/api/Orders/Active/" + Arguments.GetString("login");

            using (var webClient = new System.Net.WebClient())
            {
                var          json   = webClient.DownloadString(URL);
                List <Order> orders = JsonConvert.DeserializeObject <List <Order> >(json);
                if (orders != null)
                {
                    OrderListAdapter listAdapter = new OrderListAdapter(this, orders);
                    var listView = view.FindViewById <ListView>(Resource.Id.listView1);
                    Activity.RunOnUiThread(() => listView.Adapter = listAdapter);
                }
            }
        }