RAP 4.4 BarcodeScanner - only detects QR Codes

[JohnGymer]

I am making use of RAP 4.4's BarcodeScanner widget, which works for QR Codes, but does not appear to 'see' any other types of barcodes.

I added all possible types into the formats parameter:

` Formats[] fmts = new Formats[13];
fmts[0] = Formats.UPC_A;
fmts[1] = Formats.UPC_E;
fmts[2] = Formats.CODE_39;
fmts[3] = Formats.CODE_93;
fmts[4] = Formats.CODE_128;
fmts[5] = Formats.EAN_8;
fmts[6] = Formats.EAN_13;
fmts[7] = Formats.PDF_417;
fmts[8] = Formats.QR_CODE;
fmts[9] = Formats.AZTEC;
fmts[10] = Formats.ITF;
fmts[11] = Formats.DATA_MATRIX;
fmts[12] = Formats.CODABAR;

		scan.start(fmts);

`

How do I enable detection of normal barcodes, not just QR Codes?

[ifurnadjiev]

What do you mean by "normal barcodes"? You can't detect 1 dimension and 2 dimension codes together. You can detect DATA_MATRIX and QR_CODE together, but not QR_CODE and UPC_A.

[JohnGymer]

Ok, so there is a combination restrictions with the formats. Is this documented somewhere?

[ifurnadjiev]

The underlying JS library zxing-js/browser has readers for different formats. In the RAP implementation we are using BrowserMultiFormatReader (2D + 1D), but I didn't manage to scan 1D and 2D barcodes together by specifying mixed formats. If the time permits I'll double check again.

[JohnGymer]

I still couldn't get anything except QRCODEs to scan, even with just a single format selected. Not high priority, but would be good to get 'normal' barcodes scanning too. Mind you, I don't entirely understand how to tell which barcode types my examples are - for tests, just using some barcodes on labels of products I have lying around, or barcodes found with a quick Google images search!