void UseTextRecognitionModel()
{
VisionTextRecognizer textRecognizer;
if (currentApiResource == ApiResource.OnDevice)
{
textRecognizer = vision.GetOnDeviceTextRecognizer();
}
else
{
// To provide language hints to assist with language detection:
// See https://cloud.google.com/vision/docs/languages for supported languages
var options = new VisionCloudTextRecognizerOptions {
LanguageHints = new [] { "es" }
};
textRecognizer = vision.GetCloudTextRecognizer(options);
}
var image = new VisionImage(ImgSample.Image);
textRecognizer.ProcessImage(image, HandleVisionTextRecognitionCallback);
void HandleVisionTextRecognitionCallback(VisionText text, NSError error)
{
TxtData.Text = error?.Description ?? text?.Text;
}
}