public ItemDetailViewModel(PictureService _picService, PicItem item = null)
{
Item = item;
picService = _picService;
StItems = new List <ST>();
FolioItems = new List <Folio>();
St_names = new ObservableRangeCollection <string>();
result_insert = PostResult;
//stDataService = _stDataService;
LoadItemsCommand = new Command(async() => await ExecuteLoadItems());
}
public async Task <Image> TakePicture()
{
if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsPickPhotoSupported)
{
//DisplayAlert("No Camera", ":( No camera avaialble.", "OK");
}
UserDialogs.Instance.ShowLoading("Obteniendo posicion", MaskType.Black);
var locator = CrossGeolocator.Current;
locator.DesiredAccuracy = 25;
var position = new Plugin.Geolocator.Abstractions.Position();
try
{
position = await locator.GetPositionAsync(timeoutMilliseconds : 10000);
if (position == null)
{
}
UserDialogs.Instance.HideLoading();
}
catch (Exception ex) {
UserDialogs.Instance.HideLoading();
}
var fileName = System.DateTime.Now.Ticks.ToString();
var file = await CrossMedia.Current.TakePhotoAsync(new Plugin.Media.Abstractions.StoreCameraMediaOptions
{
Directory = "Sample",
Name = fileName,
PhotoSize = Plugin.Media.Abstractions.PhotoSize.Medium,
CompressionQuality = 80
});
if (file == null)
{
return(new Image());
}
//DisplayAlert("File Location", file.Path, "OK");
Console.WriteLine(file.Path);
var image = new Image {
Aspect = Aspect.AspectFit
};
image.Source = ImageSource.FromStream(() =>
{
var stream = file.GetStream();
file.Dispose();
return(stream);
});
var stream_ = file.GetStream();
byte[] bytes = new byte[stream_.Length];
await stream_.ReadAsync(bytes, 0, (int)stream_.Length);
var base64 = Convert.ToBase64String(bytes);
Item = new PicItem
{
FileName = base64,
Sent = false,
CreatedOn = DateTime.UtcNow.ToLocalTime().ToString("s") + "Z",
Latitude = position.Latitude,
Longitude = position.Longitude,
Color = "#FFFFFF"
};
Item.ST_string = "";
Item.Folio_string = "";
await picService.AddItemAsync(Item);
Items.Add(Item); //ESTO LO COMENTE RECIÉN
MessagingCenter.Send(this, "AddItem", Item);
//await Navigation.PopToRootAsync();
return(image);
}
public async Task RemoveItemCommand(PicItem item)
{
await picService.DeleteItemAsync(item);
return;
}
/* Unmerged change from project 'test2'
* Before:
* public bool SaveItem(string st, string folio, string note, PicItem item)
* After:
* public bool SaveItemAsync(string st, string folio, string note, PicItem item)
*/
public async Task <bool> SaveItemAsync(string st, string folio, string note, PicItem item)
{
await picService.UpdateItemAsync(st, folio, note, item);
return(true);
}