#import <UIKit/UIKit.h>
#import <ZXingWidgetController.h>
#import <QRCodeReader.h>@interface ViewController : UIViewController <ZXingDelegate>- (IBAction)scan:(id)sender;@end

#import "ViewController.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {[super viewDidLoad];// Do any additional setup after loading the view, typically from a nib.
}- (void)didReceiveMemoryWarning {[super didReceiveMemoryWarning];// Dispose of any resources that can be recreated.
}- (IBAction)scan:(id)sender {ZXingWidgetController *widController = [[ZXingWidgetController alloc] initWithDelegate:self showCancel:YES OneDMode:NO];QRCodeReader* qrcodeReader = [[QRCodeReader alloc] init];NSSet *readers = [[NSSet alloc ] initWithObjects:qrcodeReader,nil];[qrcodeReader release];widController.readers = readers;[readers release];NSBundle *mainBundle = [NSBundle mainBundle];widController.soundToPlay =[NSURL fileURLWithPath:[mainBundle pathForResource:@"beep-beep" ofType:@"aiff"] isDirectory:NO];[self presentModalViewController:widController animated:YES];[widController release];
}#pragma mark -
#pragma mark ZXingDelegate
- (void)zxingController:(ZXingWidgetController *)controller didScanResult:(NSString *)result {[self dismissModalViewControllerAnimated:YES];UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"结果" message:result delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];[alertView show];[alertView release];
}- (void)zxingControllerDidCancel:(ZXingWidgetController *)controller {[self dismissModalViewControllerAnimated:YES];
}@end