zxing qr code

(NumberFormatException e) {//todo output to Log}}stream = Resp.getoutputstream (); Qrcodewriter writer = new Qrcodewriter (); Bitmatrix m = Writer.encode (KeyCode, Barcodeformat.qr_code, size, size); Matrixtoimagewriter.writetostream (M, IMAGETYPE, stream);} catch (Writerexception e) {e.printstacktrace ();} finally {if (stream! = null) {Stream.flush (); Stream.Close ();}}} @Overrideprotected void DoPost (HttpServletRequest req, HttpServletResponse resp) throws Servletexception, IOException { Th

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 th

analyzecallback = new Codeutils.analyzecallback () {@Override public void onanalyzesuccess (Bitmap mbitmap, String result) {Intent resultintent = New Intent (); Bundle bundle = new bundle (); Bundle.putint (Codeutils.result_type, codeutils.result_success); Bundle.putstring (codeutils.result_string, RESULT); Resultintent.putextras (bundle); Camera.this.setResult (RESULT_OK, resultintent); Camera.this.finish (); }

Referring to the online example, the Zxing sub-project into Xcode, found that the files in the sub-project file not found error, found that the header file is definitely the search directory has problems, so head file directory (sub-project root directory) added to the main project header file search path inside. Check changed several times or reported the same problem, finally found that the original is recursive problem, before joining the path when

Modified based on this source code. Http://blog.csdn.net/ryantang03/article/details/7831826 In addition to the QR code image generation function that he added, the package is saved. The sound effect after scanning is removed, saving a sound file. With the flashlight function removed, scan the QR

specify the render parameter. If canvas is not supported, table is used. the disadvantage of using canvas is that it cannot be displayed during webpage printing... there seems to be a solution to this problem. I didn't find it. I used the table directly. However, printing still seems problematic. Js has a problem, so zxing can only be used to output the QR code

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

Android Zxing QR code scanning image stretching, In this project, the QR code scanning is integrated with zxing, and the image on the scanning interface is obviously stretched and deformed. Based on past experience, this problem i

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

first download the corresponding jar package, this example uses the Zxing2.2jar Download Address: http://download.csdn.net/detail/gao36951/8161861 Zxing is a Google-provided analytical tool for barcode (one-dimensional code, two-dimensional code), which provides a method for generating and parsing two-dimensional codes,See zx