// The project, which uses this code, must have references to the following assemblies:
// - Vintasoft.XamarinBarcode.Android

/// <summary>
/// Reads barcodes from an image.
/// </summary>
/// <param name="barcodeImage">An image with barcodes.</param>
public static void ReadBarcodesFromBitmap(Android.Graphics.Bitmap barcodeImage)
{
    // create barcode reader
    using (Vintasoft.XamarinBarcode.BarcodeReader reader = new Vintasoft.XamarinBarcode.BarcodeReader())
    {
        // specify that reader must search for Code39, Code39Extended,
        // Code128, SSCC18 and DataMatrix barcodes
        reader.Settings.ScanBarcodeTypes =
            Vintasoft.XamarinBarcode.BarcodeType.Code39 |
            Vintasoft.XamarinBarcode.BarcodeType.Code128 |
            Vintasoft.XamarinBarcode.BarcodeType.DataMatrix;
        reader.Settings.ScanBarcodeSubsets.Add(Vintasoft.XamarinBarcode.SymbologySubsets.BarcodeSymbologySubsets.Code39Extended);
        reader.Settings.ScanBarcodeSubsets.Add(Vintasoft.XamarinBarcode.SymbologySubsets.BarcodeSymbologySubsets.SSCC18);

        // specify that reader must search for horizontal and vertical barcodes only
        reader.Settings.ScanDirection = Vintasoft.XamarinBarcode.ScanDirection.Horizontal | Vintasoft.XamarinBarcode.ScanDirection.Vertical;

        // use Automatic Recognition
        reader.Settings.AutomaticRecognition = true;

        // read barcodes from image
        Vintasoft.XamarinBarcode.IBarcodeInfo[] infos = reader.ReadBarcodes(barcodeImage);

        // if barcodes are not detected
        if (infos.Length == 0)
        {
            Console.WriteLine("No barcodes found.");
        }
        // if barcodes are detected
        else
        {
            // get information about extracted barcodes

            Console.WriteLine(string.Format("{0} barcodes found:", infos.Length));
            Console.WriteLine();
            for (int i = 0; i < infos.Length; i++)
            {
                Vintasoft.XamarinBarcode.IBarcodeInfo info = infos[i];
                Console.WriteLine(string.Format("[{0}:{1}]", i + 1, info.BarcodeType));
                Console.WriteLine(string.Format("Value:      {0}", info.Value));
                Console.WriteLine(string.Format("Region:     {0}", info.Region));
                Console.WriteLine();
            }
        }
    }
}