android qr code reader

savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); String str_url = getIntent().getExtras().getString("url"); iv = (ImageView) findViewById(R.id.iv_qrcode); QRCodeUtil.showThreadImage(this, str_url, iv, R.mipmap.ic_launcher); }} Layout File ① Enter the page (it will be changed to the DataBinding form later) ② QR code Dis

is no information to place the logo, compared to everyone is also more clear, Have seen, now the restaurant, the subway basically have sweeping sweep of the logo, hehe, two-dimensional code has become a universal propaganda means! Then I received this task after the analysis of the problem to solve the problem, from the generation of a two-dimensional code image, to batch generation to batch Generation pag

[QR code] It is a new generation of bar code technology that records data symbol information using black and white rectangular phalanx distributed in a plane (two-dimensional direction) according to a certain rule, it consists of a QR code matrix and a

(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

. call the Bitmap.lockbits method to lock the bitmap into system memory. call the Bitmapsource.copypixels method to copy bit-image-voxel data. call the Bitmap.unlockbits method to unlock this biamap from system memory. 3.3 Call the Result.tostring () method to display the string that reads the QR code. Barcodereader Reader =new Barcodereader ();BitmapSource m = (

the generation of two-dimensional code of the library Qrencoder more useful. The Android version of the Zxing library is a Java version of the code library, but I do not know why there is no C + + version of the decoding library, it can not be decoded on iOS, if the application is to generate two-dimensional code and

information for the logo, compared to everyone is also more Have seen, now the restaurant, the subway basically have sweeping sweep of the logo, hehe, two-dimensional code has become a universal propaganda means! And then I received this task to solve this problem step by step analysis problem, from the generation of a two-dimensional code image, to batch generation to batch Generation page, and each page

Standard for barcodes :Barcodes are standard with ENA barcodes, UPC barcodes, 25-bar codes, cross 25-bar codes, Codabar barcodes, Sanjiu barcodes, and 128 bar codes, and the most commonly used products are EAN barcodes. EAN Barcode, also known as the general merchandise barcode, is developed by the International Code of Goods Association, which is common around the world and is currently the most widely used barcode in the international trade. China i

Recently, I had a project to scan the QR code to get the vcard. I encountered a problem. some of the generated QR codes were garbled in the Chinese names in the vcard obtained after scanning with the android mobile phone, after comparison, we found that the ORG type in this part of vcard is not... recently, I had a pro

Android.widget.adapterview;import Android.widget.adapterview.onitemclicklistener;import Android.widget.baseadapter;import Android.widget.gridview;import Android.widget.imageview;import Android.widget.imageview.scaletype;import Android.widget.textview;import Android.app.activity;import Android.content.intent;import Android.graphics.bitmap;import Android.graphics.bitmapfactory;public Class Mainactivity extends Activity {private TextView textview1;private GridView gridview1;private static Handler

Question 1: After removing a QR code image from your mobile phone or SD card, you can still see the preview thumbnail of the deleted image in the media repository. Reference: Android: remove an image from sd card Http://stackoverflow.com/questions/6707197/android-remove-an-image-from-sd-card Question 2: (new File(fil

PHP implementation scan QR code to access different download addresses based on browser type, PHP browser type Often see the online two-dimensional code login, ask PHP program how to implement the QR code login? Home you need to know that the

　　Recently in the project to use the QR code scanning function, previously used in Android zxing identification QR code, zxing also has the corresponding iOS version, after understanding, Zbar is also a common QR

to be contacted overseas.4. Contact information (information)There are a number of criteria for the contact data format to be represented in the form of two-dimensional code generation. For example: vcard (Electronic Business card). However, its format is slightly more complicated for QR codes.At present, as far as I know, the Android phone (Apple, BlackBerry, e

#mainthread: @ selector (stopReading) withObject: nil waitUntilDone: NO]; NSLog (@ "metadataObj string =%@", [metadataObj stringValue]); _ isReading = NO ;}}} -(void) stopReading {[_ captureSe Ssion stopRunning]; _ captureSession = nil; [_ videoPreviewLayer removeFromSuperlayer];} // when scanning, move the scanning line-(void) move {NSLog (@ "++ "); static BOOL flag = TRUE; // true down and false up if (flag) {if (line. frame. origin. y How does ios7 scan

Php generates QR code with Chinese garbled characters Recently, I had a project to scan the QR code to get the vcard. I encountered a problem. Some of the generated QR codes were garbled in the Chinese names in the vcard obtained after scanning with the

version) two kinds.Two-dimensional code coding standard:The world's existing QR code of up to 200 kinds, among which the common technical standards are PDF417 (American Standard), QRCode (Japanese standard), CODE49,CODE16K,CODEONE,DM (Korean standard), GM (Chinese standard), CM (Chinese standard) and more than 20 kinds. The most used is qrcode.The following is t

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 of various bar codes, including EAN-13/UPC-A,

Recently, I had a project to scan the QR code to get the vcard. I encountered a problem. Some of the generated QR codes were garbled in the Chinese names in the vcard obtained after scanning with the android mobile phone, after comparison, we found that there is no content in the ORG type in this part of vcard, and a f

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