private void btnDelete_Tapped(object sender, System.Windows.Input.GestureEventArgs e)
        {
            MessageBoxResult result = MessageBox.Show("Bạn có muốn xóa nhà này khỏi bản đồ không?", "Cảnh báo", MessageBoxButton.OKCancel);

            if (result == MessageBoxResult.OK)
            {
                AppManagement._nhadaxoa.Add(item);
                if (item.flagColor == 3)
                {
                    AppManagement._nhadaluu.Remove(AppManagement._nhadaluu.FirstOrDefault(r => r.id == item.id));
                }
                else if (item.flagColor == 2)
                {
                    AppManagement._nhadaxem.Remove(AppManagement._nhadaxem.FirstOrDefault(r => r.id == item.id));
                }
                if (AppManagement._flagHouseSave == false)
                {
                    AppManagement.list.Remove(item);
                    if (AppManagement.flaglist == false)
                    {
                        AppManagement.ListNhaTroInCircle.List_nt_in_circle.Remove(AppManagement.ListNhaTroInCircle.List_nt_in_circle.FirstOrDefault(r => r.id == item.id));
                    }
                    AppManagement._list_marker.Remove(_tooltip);
                    AppManagement._layer.Remove(AppManagement._layer.FirstOrDefault(r => r.Content == _tooltip));
                }
                Controller_Read_Write_NhaTro.WriteNhaXoa();
            }
        }
        protected async override void OnNavigatedTo(NavigationEventArgs e)
        {
            //if (AppManagement._flagsaveNTTrangChu == true)
            //    NavigationService.GoBack();
            if (AppManagement._flagHouseSave == false)
            {
                string _url = "";
                _url = AppManagement._URI + "task=getRoomsByIds&scope=title,description,id,address&link=1&rids=" + AppManagement.listPivot.ElementAt(0).id + "&num=1";
                HttpClient client   = new HttpClient();
                var        response = await client.GetStringAsync(new Uri(_url));

                var data = JsonConvert.DeserializeObject <IDictionary <string, object> >(response)["data"];
                AppManagement.ListInfoExtend.ListInfoExtends = JsonConvert.DeserializeObject <List <InfoExtends> >(data.ToString());
                getItem();
                pivotNT.ItemsSource             = AppManagement.listPivot;
                AppManagement._flagnavigateBack = true;
                AppManagement._flagFillMarker   = true;
                item = pivotNT.Items.ElementAt(0) as NhaTro;

                itemInlist = AppManagement.list.FirstOrDefault(r => r.id == item.id);
                _tooltip   = AppManagement._list_marker.FirstOrDefault(r => r.TagId == item.id);

                if (item.flagColor == 1)
                {
                    item.flagColor       = 2;
                    itemInlist.flagColor = 2;
                    if (AppManagement._nhadaxem == null)
                    {
                        AppManagement._nhadaxem = new List <NhaTro>();
                    }
                    AppManagement._nhadaxem.Add(item);
                    Controller_Read_Write_NhaTro.WriteNhaXem();
                }

                _tooltip.ColorMarker = item.flagColor.ToString();
                _tooltip.FillMarker();
                iconStar.Source = new BitmapImage(new Uri(item.link, UriKind.Relative));
            }
            else
            {
                pivotNT.ItemsSource             = AppManagement.listPivot;
                AppManagement._flagnavigateBack = true;
                AppManagement._flagFillMarker   = true;
                item            = pivotNT.Items.ElementAt(0) as NhaTro;
                iconStar.Source = new BitmapImage(new Uri(item.link, UriKind.Relative));
            }
        }
        private void SaveNhaTro_Tapped(object sender, System.Windows.Input.GestureEventArgs e)
        {
            if (item.flagColor == 3)
            {
                item.flagColor = 2;
                if (AppManagement._flagHouseSave == false)
                {
                    itemInlist.flagColor = 2;
                }
                AppManagement._nhadaluu.Remove(AppManagement._nhadaluu.FirstOrDefault(r => r.id == item.id));
                AppManagement._sndl.SoNhaLuu -= 1;
                AppManagement._nhadaxem.Add(item);
            }
            else
            {
                item.flagColor = 3;
                if (AppManagement._flagHouseSave == false)
                {
                    itemInlist.flagColor = 3;
                    _tooltip.PathStar    = item.flagColor.ToString();
                    _tooltip.FillMarker();
                }

                if (AppManagement._nhadaluu == null)
                {
                    AppManagement._nhadaluu = new ObservableCollection <NhaTro>();
                }
                AppManagement._nhadaluu.Add(item);
                AppManagement._sndl.SoNhaLuu += 1;
                if (AppManagement._nhadaxem.FirstOrDefault(r => r.id == item.id) != null)
                {
                    AppManagement._nhadaxem.Remove(AppManagement._nhadaxem.FirstOrDefault(r => r.id == item.id));
                }
            }
            Controller_Read_Write_NhaTro.WriteNhaLuu();
            iconStar.Source = new BitmapImage(new Uri(item.link, UriKind.Relative));
        }