qr code and barcode reader app uninstall

quite high, the API provided by iOS is really very powerful, however, we can do further optimization, will improve efficiency: First ,There is one such attribute in the Avcapturemetadataoutput class (available after IOS7.0): @property(Nonatomic)CGRect rectofinterest; This property roughly means to tell the system that it needs to be aware of the area, most apps have a box in the sweep code UI, reminding you to put the

Csharp: QR Code Barcode, qrcode /// /// C # Use the BarcodeControl bar code control to generate a bar code. How can I minimize the size of the generated bar code, because the printing process is too large, which wastes paper

,) [Session startrunning];}6, the implementation of the 4th step of the agent method#pragmaMark-avcapturemetadataoutputobjectsdelegate implement this proxy method, (this agent inside this one method)-(void) Captureoutput: (Avcaptureoutput *) captureoutput didoutputmetadataobjects: (Nsarray *) metadataobjects fromConnection :(Avcaptureconnection *) connection{//This method is called after the data is scanned. Because the call is very frequent, it is judged that when the data is captured, the

];Self.previewlayer = preview;6. Start session[Session startrunning];Self.session = session;}#pragma mark-Output proxy methodThis method is recognized in the QRCode, and the conversion is completedIf the content of the QRCode is larger, the longer the conversion takes-(void) Captureoutput: (Avcaptureoutput *) captureoutput didoutputmetadataobjects: (Nsarray *) metadataobjects Fromconnection: (avcaptureconnection *) connection{Frequent scans, invoking proxy methods1. If the scan is complete, stop

(1) Download the QR Code library source codeLink: http://pan.baidu.com/s/1pKQyw2n Password: R5BVWhen the download is complete, open the folder where you can see the libzxing, and add it to Android Studio, with the following: File------New-----"Import moudle(2) button click event for scannerBackground code:Public void Scanner (view view) {Startactivityforresult (New Intent (Scanactivity.this,Captureactivity.

Enable the mobile phone camera to scan the QR code or complete the operations, mobile phone camera Barcode (1) download the source code of the QR code library Link: http://pan.baidu.com/s/1pKQyw2n password: r5bv After the 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

[What is a QR code] QR code (2-dimen1_bar codeIs to use a specific ry to record the data symbol information based on a certain rule in the plane (two-dimensional direction) Distribution of black and white Graphics; inCodeThe concept of "0" and "1" bit streams that constitute the computer's internal logic is skillfully

Suppose we promote a two-dimensional code, users sweep the QR code on the mobile browser to access the point page, rather than the Facebook app, is it difficult to find? Is there any way to solve it? The answer is certainly there!First, get Facebook fan page ID codeFirst we have to get the Facebook ID

HTTPSBecause of a Web page download, Apple needs to use the HTTPS protocol for security purposes, so at this point the server developer will configure the HTTPS protocol, the configuration processI said, Baidu a lot, but when the configuration must let them understand, not casually get a self-signed digital certificate can be, Safari is impossible to verify through. So we have to go to a qualified CA agency to apply for a certificate, here is recommended http://www.startssl.com/This can be free

Original URL: http://jingyan.baidu.com/article/8065f87ff654262331249886.htmlApp Store app generates two-dimensional code operation steps:1. First find the link address of your Apple app in itunes on Mac;2, find a can generate two-dimensional code site, such as cli.im, copy good links paste in, click [Generate

. Net language APP development platform-Smobiler Learning Log: How to quickly achieve a similar effect of floating display QR code, appsmobiler Smobiler is a development platform that uses the. Net language to develop apps in the VS environment. It may be more convenient than Xamarin. Style 1, Target Style The following operations are required to achieve the

Window.onload = function () {Jumptoapp ()}var browser = {isandroid:function () {return Navigator.userAgent.match ( /android/i)?　　True:false;　　　　}, Ismobileqq:function () {var ua = navigator.useragent; return/(Ipad|iphone|ipod). *? (IPAD)? qq\/([\d\.]　　　　+)/.test (UA) | | /\bv1_and_sqi?_ ([\d\.] +)(.*? qq\/([\d\.] +))?/.test (UA);}, Isios:function () {return navigator.userAgent.match (/iphone|ipad|ipod/i)? True:false;}, ISWX: function () {return Navigator.userAgent.match (/micromessenger/i) True:

1. Determine if the app is installed2, open Project project target inside the Schemurl append://Reprinted article: http://blog.csdn.net/hundsong/article/details/6623500#Scan QR code jump app