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Read Barcodes and Fill Form Fields

It’s difficult to type long text on mobile devices, but if that text is encoded in a barcode, we can use the sdk to read the barcode and automatically enter the text.

The following code shows how to automatically invoke the sdk to read a barcode and fill an input box.

<input id="input-to-fill" type="text" readonly="true" placeholder="Barcode Result">

let scanner = null;
Dynamsoft.DBR.BarcodeReader.license = 'DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9';
(async function () {
    document.getElementById("input-to-fill").addEventListener('click', async function () {
        try {
            scanner = scanner || await Dynamsoft.DBR.BarcodeScanner.createInstance();
            scanner.onUniqueRead = (txt, result) => {
                this.value = result.barcodeText;
                scanner.hide();
            };
            await scanner.show();
        } catch (ex) {
            alert(ex.message);
            throw ex;
        }
    });
})();

The following official sample shows how to use the sdk to fill multiple fields for a form.

Read the PDF417 Barcode on the Driver’s License

The PDF417 barcode on an AAMVA compatible driver’s license contains a lot of information which is encoded following the DL/ID Card Design Standard. Together with a simple parse function, we can use the sdk to read and get the information to be used in our workflow.

The following official sample shows how to use the sdk to read a driver’s license and extract its information.

Also see Driver’s License Scanner SDK for Mobile and Web.