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I need to integrate QR-code reader in app and found a tutorial for it. I downloaded Z-bar sdk from this link . Here is what I had done. In the QRscannerViewController.m -(IBAction)StartScan:(id) sender { ZBarReaderViewController *reader = [ZBarReaderViewController new]; reader.readerDelegate = self; reader.readerView.torchMode = 0; ZBarImageScanner *scanner = reader.scanner; // TODO: (optional) additional reader configuration here // EXAMPLE: disable rarely used I2/5 to improve performance [scanner setSymbology: ZBAR_I25 config: ZBAR_CFG_ENABLE to: 0]; // present and release the controller [self presentModalViewController: reader animated: YES]; [reader release]; resultTextView.hidden=NO; } - (void) readerControllerDidFailToRead: (ZBarReaderController*) reader withRetry: (BOOL) retry{ NSLog(@"the image picker failing to read"); } - (void) imagePickerController: (UIImagePickerController*) reader didFinishPickingMediaWithInfo: (NSDictionary*) info { NSLog(@"the image picker is calling successfully %@",info); // ADD: get the decode results id<NSFastEnumeration> results = [info objectForKey: ZBarReaderControllerResults]; ZBarSymbol *symbol = nil; NSString *hiddenData; for(symbol in results) hiddenData=[NSString stringWithString:symbol.data]; NSLog(@"the symbols is the following %@",symbol.data); // EXAMPLE: just grab the first barcode // break; // EXAMPLE: do something useful with the barcode data //resultText.text = symbol.data; resultTextView.text=symbol.data; NSLog(@"BARCODE= %@",symbol.data);

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