public async override void OnNavigatedTo(NavigationParameters parameters)
{
base.OnNavigatedTo(parameters);
try
{
if (parameters.Any(a => a.Key.Equals("posterId")))
{
Poster = await App.ApiService.GetPoster(parameters.GetValue <int>("posterId"), "bearer " + Settings.AuthToken);
PetType = Poster.PetType == 1 ? "Cachorro" : "Gato";
State = Poster.State;
foreach (var item in Poster.PetPictures)
{
byte[] file;
try
{
file = await App.ApiService.Download(item.Url);
} catch { continue; }
PetImages.Add(new PetPictureItem
{
Id = Guid.NewGuid().ToString(),
Image = file
});
}
EditPosterCommand.RaiseCanExecuteChanged();
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.StackTrace);
}
}
private async void PickPhotoCommandExecute()
{
try
{
var action = await DisplayPictureAlert();
var pictureService = Xamarin.Forms.DependencyService.Get <PictureService>();
var file = await pictureService.GetPicture(action);
if (file != null)
{
using (var memoryStream = new MemoryStream())
{
file.GetStream().CopyTo(memoryStream);
file.Dispose();
PetImages.Add(new PetPictureItem
{
Id = Guid.NewGuid().ToString(),
Image = memoryStream.ToArray()
});
EditPosterCommand.RaiseCanExecuteChanged();
}
}
}
catch (Exception ex)
{
await _dialogService.DisplayAlertAsync("Erro", ex.Message, "Fechar");
}
}