Use ZBar in iOS to scan the QR code to customize the scan interface, and use ioszbar to scan the interfaceZXing has been used in Android to identify QR codes. ZXing also has the corresponding iOS version. After understanding it, ZBar is also a common QR code recognition soft
JAVA-Mobile scan two-dimensional code, page response (not scan code login)
I have just been a few months of Meng New, these months, encountered a lot of no contact with the function, although the code is very simple, but also for a while let me worry, thinking impassability.
, Self.imageLine.frame.size.width, Self.imageLine.frame.size.height);if (Linevalue ==minvalue) {down = YES;up = NO;}}}/** This is the proxy method that must be implemented, and from this method you can get the scanned url*/#pragma mark-avcapturemetadataoutputobjectsdelegate-(void) Captureoutput: (Avcaptureoutput *) captureoutput didoutputmetadataobjects: (Nsarray *) metadataobjects Fromconnection: (avcaptureconnection *) connection{NSString * STRINGVALUE;if ([metadataobjects count] > 0) {[Self.s
In the use of QQ scan two-dimensional code before we want to ensure that our QQ is the latest version of the QQ, so as to ensure that the function of scanning two-dimensional code.
First step
We install QQ software on our mobile phone.
Second Step
After opening QQ Click "Message", then we want to scan the functi
SpringMVC source code deep parsing (context: component-scan) (scan and register annotation Bean)
Some of our SpringMVC development projects use annotations and XML to configure beans, which have their own advantages. XML is often used for data source configuration, the services dependent on the control layer often use annotations (which won't be changed during de
1, the method is very simple, only need you to click on Micro bo, open after we click on the upper right corner of the "sweep" on it Oh, specific as follows.
2, then we click on the "Allow" button in the pop-up permission reminder (must click Allow OH).
3, and then you can like the micro-letter of the same recruit, using a camera to the two-dimensional code can be scanned.
Mobile micro-blog
After using Avfoundation to complete the scan code, there are 2 problems:
1, how to limit the scan range?
2. How is the barcode scanned?
A friend's article helped me, specially transferred, can help the needy friend.
Original: http://www.2cto.com/kf/201411/356046.html
The main reason for writing this article is not to show how to use avfoundati
The main reason for writing this article is not to show how to use avfoundation for QR code scanning, but also to limit the scope of scanning QR code. (Because the default is full screen scanning)The project encountered the function of scanning QR code, here I gave up the use of the three-party library, and the introduction of Apple native
The earlier interview was asked what the scanning use of the Zbar, and then asked why not the original, more efficient ah, saying that just started to achieve, do not seek efficiency, also do not know how to answer. Now in retrospect, the best answer is: Need to scan the album, the original implementation is not AH.Zbar Advantages: You can achieve photo scanning of albums But the efficiency is a little low.Native: High efficiency, but unable to do pho
), add the following code:[Mw_shl_code=java,true]Point Screenresolutionforcamera = new Point ();screenresolutionforcamera.x = screenresolution.x;SCREENRESOLUTIONFORCAMERA.Y = SCREENRESOLUTION.Y;if (Screenresolution.x screenresolutionforcamera.x = SCREENRESOLUTION.Y;SCREENRESOLUTIONFORCAMERA.Y = screenresolution.x;}[/mw_shl_code]At the same time modify the next sentence for cameraresolution = Findbestpreviewsizevalue (Parameters,screenresolutionforcame
Use ZBar in iOS to scan the QR code and customize the scan interfaceZXing has been used in Android to identify QR codes. ZXing also has the corresponding iOS version. After understanding it, ZBar is also a common QR code recognition software, the sdks for iOS and Android are provided for use. Finally, I chose ZBar for
defined.Classpathbeandefinition.pdfTo scan the class information. What is it scanning? Is the loaded class or class file? The answer is the latter. Why, because some classes have not been loaded during initialization, And the classloader has not yet been loaded, but the classloader can find the paths of these classes:
Note that after the secret is created, the most important thing isDoscanThis is not a problem. If you are not familiar with it, you c
IOS native QR code scan (restricted scan Areas)
The main reason for writing this article is not to show how to use AVFoundation for QR code scanning, but to limit the scanning range of QR codes. (Because full screen scan is used by default)
The project encountered the need t
Scan the QR code to register and scan the logon register.
Scan-code logon is the most popular and convenient logon method. Here I use the public number to demonstrate the QR code logon process.
Required information:
1. AppId and
Use the Avfoundation system library to scan the QR code and limit the scope of the QR code. (Because the default is full screen scanning)-(void) Begincode{1. Camera DeviceAvcapturedevice *device = [Avcapturedevice defaultdevicewithmediatype:avmediatypevideo];/*Media typesAvmediatypevideoAvmediatypeaudioAvmediatypetextAvmediatypeclosedcaptionAvmediatypesubtitleAvm
Asp: Mobile Phone scan QR code jump to mobile edition, asp scan jumpIf you want to jump to the corresponding mobile phone version by using the QR code generated by the pc website, add the following content to the // red indicates the URL of the redirected website
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
Write at the top (this is an update to the previous blog post on "Android using zbar QR code Scan")Project download Zbarlib compile project project download 0 pointsBugIn 2.3 of the system holder need to set type, otherwise it will be black screen (thanks to the Netizen "(Α⒎ to Sんа) 294439435")Com.example.qu.MainActivity the 50th row of Mholder.settype (surfaceholder.surface_type_push_buffers);Found todayT
QR code synthesis, Apple and android (ios and android) are combined into a QR code, allowing users to scan a QR code to download apple and android apps separately. android QR code scanning
Because of the company's promotion, there is no suitable tool to synthesize a QR
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