Objective-C : Générer un QR code sans connexion

xcodeAfficher un QR code généré sans connexion gâce à la lib Cocoa touch barcodes :

NKDCode128Barcode *barCode = [[NKDCode128Barcode alloc] initWithContent:@"23409234"];
barCode.printsCaption = NO;
[barCode setWidth:300];
[barCode setHeight:140];
[barCode setFontSize:13];

UIImage *barCodeImage = [UIImage imageFromBarcode:barCode];
UIImageView *barCodeImageView = [[UIImageView alloc] initWithFrame:CGRectMake(10, 240,300, 140)];
barCodeImageView.image = barCodeImage;
[self.view addSubview:barCodeImageView];