async Task ExecuteStreamCommand()
{
if (!IsBusy)
{
try
{
IsBusy = true;
Servico = new CVService(key, urlStream);
if (_imagemStream == null)
{
await DisplayAlert("Erro", "Nenhuma imagem selecionada", "Ok");
}
Model = await Servico.CVSStreamAsync(_imagemStream);
ExibirLista(Model);
}
catch (System.Exception ex)
{
await DisplayAlert("Erro!", $"Erro:{ex.Message}", "Ok");
}
finally
{
IsBusy = false;
}
}
return;
}
async void ExecuteServicoCommand()
{
if (!IsBusy)
{
try
{
IsBusy = true;
Servico = new CVService(key, url);
Model = await Servico.CVSUrlAsync(Url);
ExibirLista(Model);
}
catch (System.Exception ex)
{
await DisplayAlert("Erro!", $"Erro:{ex.Message}", "Ok");
}
finally
{
IsBusy = false;
}
}
return;
}
public PrincipalViewModel()
{
ServicoCommand = new Command(ExecuteServicoCommand, () => !IsBusy);
StreamCommand = new Command(async() => await ExecuteStreamCommand(), () => !IsBusy);
TirarCommand = new Command(async() => await ExecuteTirarCommand(), () => !IsBusy);
AbrirCommand = new Command(async() => await ExecuteAbrirCommand(), () => !IsBusy);
Model = new CVSModel();
MyPrediction = new ObservableCollection <Prediction>();
}
private void ExibirLista(CVSModel Model)
{
MyPrediction.Clear();
foreach (var item in Model.Predictions)
{
MyPrediction.Add(new Prediction
{
Tag = item.Tag,
TagId = item.TagId,
Probability = item.Probability
});
}
}
