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
Recently doing a scan code login function, for this I also searched the internet about the implementation of the scan login. When this function was completed, I decided to organize the whole realization, so that I can see it later and also facilitate other programs with similar requirements.To implement a scan login we
Recently doing a scan code login function, for this I also searched the internet about the implementation of the scan login. When this function was completed, I decided to organize the whole realization, so that I can see it later and also facilitate other programs with similar requirements.To implement a scan login we
Preface
Series of articles:[Portal]
May 1, two days of vacation. My birthday, happy.
[Tucao]
The school is really disgusting. I asked him to give him something half a month ago. md is not a subject. Later I asked for money (money is not needed; I guess not much ). Now again, I'm dizzy. Simply put, add me to do it. Time problems may be half-finished products. Do not add or do not.Body
As mentioned aboveQR code generation and Decoding
This time we will
IOS QR code scan through ZBar ZXing and other third-party libraries, zbarzxing
There are many open-source libraries for scanning QR codes, such as ZBar and ZXing.
How to Use ZBar:
Download ZBar SDK
Address https://github.com/bmorton/ZBarSDK
ZBarSDK is an open source SDK that implements the identification and reading
Android uses the zbar QR code scan and androidzbar
Source code download
In the past, zxing was used for development, and various strange issues, such as horizontal screen repair, were not implemented in terms of performance. After being tested and approved, I cannot change zbar. Performance is much better.
Look at the
Https://github.com/bmorton/ZBarSDKI'm using the Zbar QR code to scan the other SDK can alsoThe first is to import the library file:1.avfoundation.framework2.coremedia.framework3.corevideo.framework4.quartzcore.framework5.libiconv.dylibThis 5 library fileImport #import "ZBarSDK.h" in ViewController.h and inherit @property (Weak, nonatomic) Iboutlet Uiimageview *im
I'm using the Zbar QR code to scan the other SDK can alsoThe first is to import the library file:1.avfoundation.framework2.coremedia.framework3.corevideo.framework4.quartzcore.framework5.libiconv.dylibThis 5 library fileImport #import "ZBarSDK.h" in ViewController.h and inherit
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@interface viewcontroller:uiviewcontroller @property (
1. PrefaceCurrently in the mainstream market app, QR code/Barcode integration is mainly divided into two forms to integrate: a. One is to call the phone camera and open the system camera full screen to shoot B. One is to customize the frame of the camera view, control and add the relevant code guide to me today I'm going to use ZBARSDK to make appeals. Two main w
Js scan QR code login website technical principle scan QR code login website is an open platform website application interface implementation function. Open Platform web site is https://open.weixin.qq.com
Preparations
Website app
) { return; } [_capturesession stoprunning]; _running = NO;}Add two additional methods to start capture before the view is displayed, and stop capture when the app enters the background:-(void) Viewwillappear: (BOOL) animated{ [Super viewwillappear:animated]; [Self startrunning];} -(void) Viewwilldisappear: (BOOL) animated{ [Super viewwilldisappear:animated]; [Self stoprunning];}To modify the Viewdidload method, register the following two notifications: [[Nsnoti
After Android uses Zxing to scan the QR code and change it to a portrait screen, the preview screen is stretched and distorted.
Perfect solution: After Android uses Zxing to scan the QR code and changes it to a portrait screen,
perfect solution to solve Android using zxing scan QR code changed to vertical screen, after the preview screen appeared stretched, distorted situation
First step: Findcom.zxing.cameraUnder the bagCameraConfigurationManager.javaIn the filevoid initFromCameraParameters(Camera camera)MethodStep two: InLog.d(TAG, "Screen resolution: " + screenResolution);Then ad
For example, this site
Corn Net
Reply content:
For example, this siteCorn Net
/** * @descrpition Attention * @param $request * @return Array */public static function Eventsubscribe (A MP; $request) {$content = ' You are welcome to follow us, will serve you wholeheartedly '; return Responsepassive::text ($request [' Fromusername '], $request [' Tousername '], $content); }/** * @descrpition cancel attention * @param $request * @return Array */public static function Eventunsubs
Android Read and NetEase music function source650) this.width=650; "src=" Http://www.apkbus.com/data/attachment/forum/201710/24/110530crnxz23qlnsyh6x0.gif "alt= "Android Read and NetEase music function source code"/>Android with waterfall flow show beautiful pictures source650) this.width=650; "src=" Http://www.apkbus.com/data/attachment/forum/201710/24/105601kar7tb1wddzmfw8t.gif "alt= "Android with waterfall flow show beautiful pictures source"/>a si
Scan the QR code to enable one-click logon and one-click Logon
The first time I wrote a blog, I was very excited. I didn't know how to write it, so I could easily express it ......
Some time ago, I received a request saying that I would like to add a scan code login function
Find the relevant technology on the Internet to determine whether the mobile browser is ISO or Android to download the specified app via JSCreate a new JSP page code as follows: JSP page as the generation of two-dimensional code address, when scanning the QR code to open the page will automatically execute the followin
];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
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
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