Home > Developer > Mobile Develop

Android Advanced note 06:android Implementation of scanning QR code for Web login

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

One, scanning QR code login implementation mechanism:

Detailed Flowchart:

(1) The PC side opens the webpage (shows the QR code), this time will save the corresponding Randnumber (for example: 12345678).

(2) Android client scan code login, Android client will get to this randnumber this message, this time the Android client carries username (such as: Jikexueyuan) saved to the database corresponding to the Randnumber In the field.

(3) The PC-side Web page will poll the server (database), to see if there is a username current randnumber, if there is a jump login page, if not, continue polling.

Second, scan the two-dimensional code to achieve Web page login implementation process

1. Database creation

Android Advanced note 06:android Implementation of scanning QR code for Web login

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
create qr code android qr code reader android android qr code reader android qr code scanner library qr scanner app for android qr barcode scanner for android web app qr code scanner
Related Article
Android TextView: "Do not concatenate text displayed with Set...
Server based PHP codeigniter,android based on volley for mult...
Several ways iOS intercepts redirect requests (302)

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

What's Trending
Top 10 Tags
datastax versions naming convention zookeeper client class definition md5 microsoft sql server 2005 data structures exception handling error handling
Top 10 Keywords
microsoft download center down wordpress address url site address url wordpress address url windows installer 4 0 download 302 not found web address url definition site address url wordpress db2 integer mac os installation step by step pdf abbreviation for return

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

Get Started for Free

  • Sales Support

    1 on 1 presale consultation

    Chat Contact Sales

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

    Open a Ticket

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

    Learn More