Android zxing realizes the scanning and generation of QR code

Zxing:

Zxing is an open source, multi format 1D / 2D barcode image processing library implemented in Java. It contains ports to contact other languages. It can use the built-in camera of the mobile phone to scan and decode the barcode.

github:

https://github.com/zxing/zxing

First, when writing the project, we need to import a moduel, mainly the main function code extracted from zxing. Its address is:

http://pan.baidu.com/s/1sk9pGmT

Scan QR code:

Click the page of scanning QR Code:

startActivityForResult(new Intent(MainActivity.this,CaptureActivity.class),0);

Override onactivityresult() method:

Here: result is passed from captureactivity.

A represents the data information obtained from the QR code.

Generate QR Code:

A tool class for generating QR code is provided in module: encodengutils

It includes two methods: createqrcode () and addlogo ()

Returned type: bitmap

Passed in parameters: createqrcode (string content, int widthpix, int highpix, bitmap logobm)

Content: content generated by QR code

Widthpix: width

Highpix: height

Logobm: the log of QR code is passed to null if it is unnecessary

addlogo(Bitmap src,Bitmap logo)

Add logo on QR code

The above is the whole content of this article. I hope the content of this article can bring some help to your study or work. At the same time, I also hope to support a lot of programming tips!