QR Code for IOS development

Two-dimensional code scanning

Available: iOS7 system Library, ZBARSDK, ZXing

1. IOS7 start system with QR Code scanning library

2. Setting up dependent libraries

Avfoundation.framework

3. Include Header files

--Contains header files

#import <AVFoundation/AVFoundation.h>

4. Scanning the Core method

#pragma mark-read QR code

-(void) Readqrcode

5. Core methods for processing scan results

This method is recognized in the QRCode, and the conversion is completed

If the content of the QRCode is larger, the longer the conversion takes

-(void) Captureoutput: (Avcaptureoutput *) captureoutput didoutputmetadataobjects: (Nsarray *) metadataobjects Fromconnection: (avcaptureconnection *) connection

Two-dimensional code generation

Using Library Libqrencode

1. Importing the SDK in the project

2. Include Header files

#import "QRCodeGenerator.h"

3. Generate QR Code core method

UIImage * image = [qrcodegenerator qrimageforstring:_textfield.text imagesize:_showcodeimageview.bounds.size.width];

QR Code for IOS development