create vcard qr code

1, build scan QR code interface. Storyboard can be used to build2. Create the object's controller class to manage the scan of QR code3. Import in this class #import Frame4. Call in Viewdidload1 [self setupqrcode];5, implement the above method- (void) setupqrcode{//1. Get input deviceAvcapturedevice *inputdevice =[Avca

QRCode Two-dimensional code learning:Need to pour a frame avfoundation1. An input device is required,2. Output device (parsing the contents of the input device)3 A session class (input and output is finished, which one is the input which is the output)Avcapturesession4. A display scan of the content layerTwo: Then createThree: Set up proxy-get dataThe session class does not know which one is the input device and which one is the output device need to

found, return None """ #Replace ‘\’ with ‘/’ Filename = filename.replace("\\", "/") #If you have a drive letter (absolute path), precede it with ‘file:/‘ If re.match(‘^[A-Za-z]:‘, filename): Filename = "file:/" + filename #Create a decoder object Zxcode = BarCodeReader() #Decode and save the result to barcode Barcode = zxcode.decode(filename) #Return result Return barcode ? Iv. testing. Save the above

#pragma mark-interpolateduiimage= because the generated QR code is a ciimage, we switch directly to UIImage word size is not good control, so use the following method to return the size of the UIImage -(UIImage *) Createnoninterpolateduiimageformciimage: (ciimage *) image withsize: (cgfloat ) Size { CGRect extent = cgrectintegral(image. Extent); cgfloat Scale = MIN(Size/cgrectgetwidth (extent),

Sometimes we need to scan QR code download on the homepage of XX website, then how to do it in iOS development.Let me give you some answers, this is also in the recent work of the part, on the internet to learn some.Here is a breakdown of the steps for everyone:1.Plist and IPA filesApp Packaging I will not elaborate, this online tutorial a lot of, remember the real machine under the pack. (xcode->product->a

Every step: Add Avfoundation.framework LibraryGeneral > Linked Frameworks and LibrariesStep Two: Code integration#import "ViewController.h"#import 1. There's a material.@interface Viewcontroller () /** 2. Input settings capture the information captured by the camera */@property (nonatomic, strong) Avcapturedeviceinput *input;/** 3. Output device parsing the information collected by the input device */@property (nonatomic, strong) Avcapturemetadataoutp

SegmentFault (www. sf. gg) is a leading developer technology community in China. We hope to provide programmers with a pure and high-quality technology exchange platform to learn, communicate and grow with developers and create an era for developers! Reply content: The question is unclear. the qrcode here should be the jquery extension written. you can see the code processing in qrcode. js to under

Android----QR code developmentFirst, the toolGoogle's zxingWhichever version is good, 1.6 versions and 1.7 versions are recommended.Second, how to use2.1, first download the compressed package2.1. After decompression, the catalogue is as follows. We only need the "Android" and "core" two files.2.3. Import the Android file into the development tool. (Adt/eclipse/as can!) ）File--Import---->Remember, you must

This document describes how to use barcode Xpress to create a QR code. 1. instantiate the writer class you want to create a bar code. 2. Set the value you want to create. Property Description Barcodevalue

I recently readLi BoAboutMobile phone photo recognition QR codeOfArticleAnd then download the example from codeproject.Source codeYou may encounter the following debugging problems. Today I will share with you my solutions and solutions. Problem 1: When debugging the winform platform example, the following prompt is displayed: Error 'thoughtworks. qrcode. properties. resources' does not contain a definition for 'getresource '. In fact, change th

Two-dimensional code is a two-dimensional barcode, can be the URL, text, photos and other information through the corresponding encoding algorithm compiled into a block-shaped barcode pattern, mobile phone users can use the camera and decryption software to re-decode the relevant information and view the content PHP class library PHP QR Code # Two words to explai