ios 二维码生成 扫瞄

//
//  ViewController.m
//  ZBarDemo
//
//  Created by qingyun on 4/9/13.
//  Copyright (c) 2013 qingyun. All rights reserved.
//

#import "ViewController.h"
#import "QRCodeGenerator.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    _inputText.delegate = self;
    // Do any additional setup after loading the view, typically from a nib.
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
    
    id<NSFastEnumeration> results =
    [info objectForKey: ZBarReaderControllerResults];
    ZBarSymbol *symbol = nil;
    for(symbol in results)
        break;

    _backImageView.image = [info objectForKey: UIImagePickerControllerOriginalImage];
     [picker dismissModalViewControllerAnimated: YES];
    
    _label.text =  symbol.data ;

}

- (void)dealloc {
    [_inputText release];
    [_backImageView release];
    [_label release];
    [super dealloc];
}
- (IBAction)btnPress:(id)sender
{
    
    _backImageView.image = [QRCodeGenerator qrImageForString:_inputText.text imageSize:_backImageView.bounds.size.width];
}

- (IBAction)saoMiaoBtnPress:(id)sender
{
    ZBarReaderViewController *reader = [ZBarReaderViewController new];
    reader.readerDelegate = self;
    reader.supportedOrientationsMask = ZBarOrientationMaskAll;
    
    ZBarImageScanner *scanner = reader.scanner;
    
    [scanner setSymbology: ZBAR_I25
                   config: ZBAR_CFG_ENABLE
                       to: 0];
    
    [self presentModalViewController: reader
                            animated: YES];
    [reader release];

}


-(BOOL)textFieldShouldReturn:(UITextField *)textField
{
    [_inputText resignFirstResponder];
    return YES;
}



@end

demo 地址：http://115.com/18120767