public ItemsViewModel(PictureService _picService)
{
Title = "Fotografias";
picService = _picService;
Items = new ObservableRangeCollection <PicItem>();
StItems = new List <ST>();
LoadItemsCommand = new Command(async() => await ExecuteLoadItemsCommand());
//RemoveItemCommand = new Command(async () => await ExecuteRemoveItemCommand());
MessagingCenter.Subscribe <NewItemPage, PicItem>(this, "AddItem", async(obj, item) =>
{
var _item = item as PicItem;
Items.Add(_item);
Items.OrderByDescending(x => x.CreatedOn);
await picService.AddItemAsync(_item);
});
}
async Task <Image> TakePicture()
{
if (!CrossMedia.Current.IsCameraAvailable || !CrossMedia.Current.IsPickPhotoSupported)
{
//DisplayAlert("No Camera", ":( No camera avaialble.", "OK");
}
var fileName = System.DateTime.Now.Ticks.ToString();
var file = await CrossMedia.Current.TakePhotoAsync(new Plugin.Media.Abstractions.StoreCameraMediaOptions
{
Directory = "Sample",
Name = fileName
});
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 picService = new PictureService();
picService.AddItemAsync(new PicItem
{
FileName = fileName,
Sent = false,
CreatedOn = DateTime.Now
});
return(image);
}
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);
}
