I generated a Qr code and display it on image using CIImage and it's work perfect, but when i put the app in TestFlight for testing the Qr code is missing and the image still blank help me please.
i use this code to generate Qr code and Display it on image
_imgQrcode.image = [UIImage imageWithCIImage:[self createQRForString:self.textToShare] scale:[UIScreen mainScreen].scale orientation:UIImageOrientationUp];
(CIImage *)createQRForString:(NSString *)qrString { NSData *stringData = [qrString dataUsingEncoding: NSUTF8StringEncoding];CIFilter *qrFilter = [CIFilter filterWithName:@"CIQRCodeGenerator"]; [qrFilter setValue:stringData forKey:@"inputMessage"];CIImage *qrImage = qrFilter.outputImage;qrImage = [qrImage imageByApplyingTransform:CGAffineTransformMakeScale(150, 150)]; return qrImage; }
