![]() ![]() Well, QR Code itself does not provide any security. But, What if you don’t want everyone to read what is encoded in the QR Code? The text that is encoded using QR Code can be read and interpreted by any smart phone and qr code scanner devices. You can convert the byte array into a BitMap and display the image in an ImageView. If you’re developing an android application and want to display the QR Code on your activity screen. You can return the byte array in the body of your http response. If you’re developing a web application and want to return the QR Code image as a response to an http request. If you use maven, then add the following dependencies in your pom.xml file to include zxing in your project. Zxing, pronounced as Zebra Crossing, is an open source, multi-format 1D/2D barcode image processing library implemented in java. We’ll use Google’s Zxing library to generate QR codes for our application. ![]() In the next section, we’ll learn how to encode such data and generate the QR Code in Java. QR Codes can be used to encode various types of data like - simple text, urls, phone numbers, sms, geolocation, email address etc. ![]() Scan it from your smartphone to check what’s inside :-). There are several variants of QR codes depending on their symbol size, layout, encoding and structure.įollowing is an image of a typical QR Code ( I’ve encoded something in this QR Code image. QR Code or Quick Response Code is a two dimensional barcode that can be read by modern smartphones and special QR Code scanner devices.Ī QR code consists of black squares arranged in a square grid on a white background. If you wanted to know how QR Codes work and how to generate one for your next exciting project, then this blog post is for you. Well, If you’re not living in Antarctica or Mount Everest, then chances are that you might have heard about or used QR Codes in your life. Sent money to your friend’s mobile wallet using his QR Code? Generate QR Code in java using zxing Rajeev Singh Java J3 mins readīooked a movie ticket recently and got the ticket in the form of a QR Code? ![]()
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