ZBar之ZBarReaderViewController

//
//  ViewController.m
//  ZBarReaderViewController
//
//  Created by City--Online on 15/6/9.
//  Copyright (c) 2015年 CYW. All rights reserved.
//

#import "ViewController.h"
#import "ZBarSDK.h"

@interface ViewController ()<ZBarReaderDelegate>
@property(nonatomic,strong) UIImageView *imgView;
@property(nonatomic,strong) UILabel *label;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    UIButton *btn=[UIButton buttonWithType:UIButtonTypeSystem];
    [btn setTitle:@"扫你" forState:UIControlStateNormal];
    [btn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    btn.frame=CGRectMake(, , , );
    [btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:btn];

    _imgView=[[UIImageView alloc]initWithFrame:CGRectMake(, , , )];
    [self.view addSubview:_imgView];

    _label=[[UILabel alloc]initWithFrame:CGRectMake(, , , )];
    [_label setTextColor:[UIColor redColor]];
    [self.view addSubview:_label];
}
-(void)btnClick:(id)sender
{
    ZBarReaderViewController *reader=[[ZBarReaderViewController alloc]init];
    reader.readerDelegate=self;
    ZBarImageScanner *scanner=reader.scanner;
    [scanner setSymbology:ZBAR_I25 config:ZBAR_CFG_ENABLE to:];
    reader.showsZBarControls=YES;
    reader.showsHelpOnFail=NO;
//    reader.showsCameraControls=YES;
    [self presentViewController:reader animated:YES completion:nil];
}
-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
    id<NSFastEnumeration> results = [info objectForKey:ZBarReaderControllerResults];
    ZBarSymbol * symbol;
    for(symbol in results)
        break;

    _imgView.image = [info objectForKey:UIImagePickerControllerOriginalImage];

    [picker dismissViewControllerAnimated:YES completion:nil];

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

@end