Before iOS7, QR code and barcode scanning were implemented in iOS, and we know there are two big open source components Zbar and zxing. We've all worked on both of these components, and here's a summary of their shortcomings:
Zbar
Zbar on the sensitivity of the scan, and the use of memory relative to the zxing is better, but for the "Round corner QR
Before iOS7, QR code and barcode scanning were implemented in iOS, and we know there are two big open source components Zbar and zxing. We've all worked on both of these components, and here's a summary of their shortcomings:
Zbar
Zbar on the sensitivity of the scan, and the use of memory relative to the zxing is better, but for the "Round corner QR
Recently, the company made an OTP token activation product. Because the mobile phone token was activated before, a lot of activation information needs to be entered for activation. After a period of use, it is found that the ease of use is not very strong, consider if you add the QR code scanning function does not greatly increase the ease of use. I found a lot of information on the Internet. If it weren't
Scan the same QR code to access different types of web browsers. Scan the same QR code and access it differently based on the browser type. the browser type is 1? Php23 $ Agent $ _ SERVER [HTTP_USER_AGENT]; 4preg_match (android | iphonei, $ Agen scans the same QR
How to Use MediaCapture to solve the problem of QR code scanning and mediacapture Scanning
The implementation of QR code scanning can be divided into three steps: "imaging", "", and "recognition ".
In UWP development, the most common media tool is not MediaCapture. The following describes how to use MediaCapture to sca
Android uses the zbar QR code scan to resolve Chinese Garbled text and scan region definitions.
Preface (this is an update to the previous blog post [android uses zbar QR code scanning ])
Project download zbarLib compilation Project
Found today
There is a static shared library in com. example. qu. MainActivity that is
/** Reader issue **/import Java. util. concurrent. locks. *; Class Buffer {public int buffer [] = new int [10]; // public Boolean flag used to identify the shared buffer = false; // used to identify the buffer State Public int I; // indicates the position written to the buffer} Class Writer implements runnable // There may be multiple reads {private buffer; public writer (buffer) {This. buffer = buffer;} pu
Last Friday, when wandering around Google code, I checked Google's open-source projects,
Click "Open Source plan" on code.google.com and then click "use Google Code ".
You can view the list of all open-source projects of Google.
After several pages, I found that a zxing has never heard of it before)
It turned out to be a QR
This work is licensed under the Creative Commons Attribution-NonCommercial use-Share 3.0 Unported License agreement in the same way. Non-commercial reprint is permitted, but the author and source should be noted.
Author: Xialulee
Originally released: October 30, 2011, Http://blog.sina.com.cn/xialulee If you do not compile Java source code, or if you do not use Java
Jdk1.6 connects to the pcsc card reader in java to send the APDU command and pcscapduThe Package javax. smartcardio provided by java operation card reader jdk1.6 can be directly connected to the pcsc card reader and interact with the card
Android QR code scanning (zxing usage summary)
There are three main points:
1. Draw the interface, including four corners, scrolling up and down, and adding text to the canvas
2. Adjust the position of the QR code scan box.
3. Solve the Problem of image deformation.
1. Draw the onDraw () method in ViewfinderView.
This article from http://blog.csdn.net/hellogv/, reference must indicate the source!
More and more mobile phones are equipped with auto-focus shooting functions, which also means these mobile phones can have bar code scanning functions .......The mobile phone has the bar code scanning function, which can optimize the shopping process and quickly store e-business cards (
Viewdidappear: method to force off the flash, but do not work, after many tests, found that it seems to be a feature of Zbar, When the light is dark, the flash automatically opens. It makes me very silent, so how to solve it?After looking through the Zbar library file, find a property of Zbarreaderview Torchmode, after testing, can avoid the flash automatically open the problem, the code is modified as follows:where
[JAVA] uses Google's barcode4j to generate QR codes and barcodes1.BARCODE4J IntroductionBARCODE4J is an open source barcode generation library that is written in the Java language. Can generate many kinds of coded barcodes, such as: code-39,code-128 and so on;2. Download htt
(Barcodeactivity.this,captureactivity.class); Open Scan Interface , captureactivity (this is the activity of scanning)#ResultCode = = Result_okThe result is displayed successfully if the decision is successful.You will see: The following is the scanned interface:Captureactivity (provided by Zxing Library, Nice) View CodeYou will see: Summarize Android QR code scanResource sharing:Link: http://pan.baidu.
?? Need to implement Python to read the QR code, barcode information in the picture. The previous period of time research using Zbarlight module, a lot of effort to install debugging, but found some pictures are not read correctly, and if the image of the two-dimensional code tilt, can not read, can not meet the requirements. Yesterday, trying to try zxing, downl
More and more mobile phones are equipped with auto-focus shooting functions, which also means these mobile phones can have bar code scanning functions ....... the mobile phone has the bar code scanning function, which can optimize the shopping process and quickly store e-business cards (QR codes.
This article uses ZXing 1.6 for bar
QR code for Android development, android
What I have been doing before is. NET Development uses the C # language. java was used only when an APP was created recently. The QR code scanning and integration into the APP did not return a value after scanning the
Scan the same QR code to access different types of Web browsers.
1
How is a Web site different from a string scanned by the java QR code? How does one jump to a browser to access the web site?
Use a regular expression to determine if it is a URLThen jump to the browser
Typical Example of Java thread learning-reader demonstration
Typical Example of Java thread learning-reader demonstration
The most typical example of Java Thread learning-the reader, mainly uses the Thread knowledge as follows:
-T
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