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