#import "QRCodeGenerator.h"
#import "ZBarSDK.h"

- (IBAction)erWeiMaBtn1:(id)sender {
// 設(shè)置圖片框存放二維碼
  UIImageView *imgView = [[UIImageView alloc]initWithFrame:CGRectMake((self.view.frame.size.width - 200)/2, 100, 200, 200)];
// 展示到主視圖
  [self.view addSubview:self.imgView];
// 利用第三方方法實(shí)現(xiàn)自己想要的二維碼  
  imgView.image = [QRCodeGenerator qrImageForString:@"傻子" imageSize:self.imgView.frame.size.width];
}

- (IBAction)erWeiMaBtn1:(id)sender {
  //設(shè)置文本域(設(shè)置為全局)
  _textView = [[UITextView alloc]initWithFrame:CGRectMake((self.view.frame.size.width-300)/2, 430, 300, 300) textContainer:nil];
  //設(shè)置背景顏色
  _textView.backgroundColor = [UIColor blueColor];
  //添加到主視圖
  [self.view addSubview:self.textView];

  ZBarReaderViewController *reader = [[ZBarReaderViewController alloc] init];
  reader.readerDelegate =self;
  //隱藏底部控制按鈕
  reader.showsZBarControls =YES;
  //設(shè)置自己定義的界面
  //reader.cameraOverlayView = someView;(這個(gè)視圖可以自己定義，當(dāng)然你也可以通過(guò)[reader.view addSubview:someView]的方式添加蒙版視圖，這樣可以做出自己想要的視圖效果)
  //設(shè)置識(shí)別范圍（這里的4個(gè)參數(shù)都是視圖比例~~不要搞錯(cuò)奧（距離左邊的比例，距離上邊的比例，識(shí)別寬度的比例，識(shí)別高度的比例））
  //reader.scanCrop =CGRectMake(0,0, 1,1);
  //設(shè)置識(shí)別的參數(shù)
  ZBarImageScanner *scanner = reader.scanner;
  [scanner setSymbology:ZBAR_I25  //這個(gè)參數(shù)和to:后面的參數(shù)配合確定了識(shí)別的編碼范圍，根據(jù)需求調(diào)整，可以提高識(shí)別速度。
          config:ZBAR_CFG_ENABLE
            to:0];
  [self presentViewController:reader animated:YES completion:nil];
}
//下面是委托方法
- (void) imagePickerController: (UIImagePickerController*) reader didFinishPickingMediaWithInfo: (NSDictionary*) info
{
  id<NSFastEnumeration> results = [info objectForKey: ZBarReaderControllerResults];
  ZBarSymbol *symbol =nil;
  for(symbol in results)
    break;
  NSLog(@"%@",symbol.data);//打印識(shí)別的數(shù)據(jù)
  //設(shè)置內(nèi)容
  _textView.text = symbol.data;
  //
  [reader dismissModalViewControllerAnimated:YES];
}