scan qr with android

Scan QR code/generate QR code in iOS Recently, I have been asking you if you have any demos for QR codes. To meet your needs, I have studied them and hope they can help you! Indicates the Root View: self.window.rootViewController = [[UINavigationController alloc]initWithRootViewController:[SecondViewController new]];

(frame.left-6, Frame.top + i-6, Frame.right + 6,frame.top + 6 + i);Linedrawable.setbounds (Mrect);Linedrawable.draw (canvas);RefreshInvalidate ();} else {i = 0;}[/mw_shl_code]Two line styles are used here, one is a gradient line, and the other is a similar picture scan line.detailed code please see the attachment source.Run as follows:In addition, after the successful scan of the mobile phone shake and bee

Scan recognition QR codeIdea: 1. Operate the camera and get pictures.HTML5WebRTC's Navigator.getusermedia method to get camera resources in real time. 2. Use the canvas to analyze the image recognition image using the relevant algorithm toanalyze the QR code with Jquery.qrcode. (Technical point: Getimagedata)Limitations: Mobile platform supports Getusermedia/stre

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 b

The scanned control is a view, and the user simply needs to stick it in their own controller. Other UI users can add them at their own controller. The code is as follows- (void) viewdidload {[Super viewdidload]; //Scan active area (i.e. transparent area within the box)CGRect Interestrect = CGRectMake ( -, (Self.view.frame.size.height-(Self.view.frame.size.width- +))/2.0f, Self.view.frame.size.width- +, Self.view.frame.size.width- +); //

= self.view.frame.size.width;//of the Avcapturevideopreviewlayer objectfloat height = self.view.frame.size.height;//of the Avcapturevideopreviewlayer objectOutput.rectofinterest=cgrectmake (100/height, (Width/2 -110)/width, 220/height, 220/width);CGRectMake (y, x, height, width);Initializing linked objectssession = [[Avcapturesession alloc]init];High quality acquisition Rate[Session Setsessionpreset:avcapturesessionpresethigh];[Session Addinput:input];[Session Addoutput:output];Set the encoding

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

[JQuery] use the jquery-qrcode plug-in to convert the URL into a QR code. You can scan the QR code on your mobile phone to access jqueryqrcode. First, find jquery-qrcode in github and Select Download ZIP to Download (click the link to open) Download a compressed package jquery-qrcode-master.zip, decompress the package, extract the src folder, and put it in the s

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

/dingxiaowei2013 reprint please specify the Source: http://blog.csdn.net/dingxiaowei2013/article/details/24677795:the effect after the phone scan:Description: Here is the unity interface called Android Java method to jump Android development activity view, and then in Android Java method calls unity back to the Unity interface.Source CodeUnity:Using unityengine;u