Java QR Code Reader & Scanner

Scanning and reading barcode QR Code from image file is a key feature in OnBarcode Java Barcode Scanner library SDK. Java Barcode Reader is completely developed in Java SDK 1.4.2, and you can easy integrate the barcode reading feature in your Java project without any registration key, activation code.

Related barcode scanner library API

Scan Codabar in Java - Scan, Read Codabar using Java.
Scan UPC-A in Java - Scan, decode UPC-A using Java.
Scan ISSN in Java - Scan, decode ISSN using Java.

• Copy BarcodeReader.jar to your Java project library folder.
  
  
• Add BarcodeReader.jar to your Java classpath.

1. tell BarcodeReader class where is the image file.
   
   
   • here is the sample code:
     
     
   • String[] datas = BarcodeReader.read(new File("C:/QRCode-Barcode-Image.gif"), BarcodeReader.QRCode);
     
     
   • Pass your QR Code barcode image file, and barcode type to BarcodeReader, and it will return all QR Code barcode data in the image file.
   
   
   Besides image file, you can also pass java.awt.Image or java.awt.image.RenderedImage object to the read method.