unsigned char *ImgBytes = [ImgBytes stringByAppendingString:getStringForImage:imageView.image]; error Bad Receiver Type Unsigned char
- Check this stackoverflow.com/questions/7289150/uiimage-to-byte-arraykb920– kb9202017-02-08 07:13:13 +00:00Commented Feb 8, 2017 at 7:13
- Possible duplicate of UIImage to byte arrayMukesh Lokare– Mukesh Lokare2017-02-08 07:48:56 +00:00Commented Feb 8, 2017 at 7:48
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NSString *ImgBytes; ImgBytes=[ImgBytes stringByAppendingString:[self getStringForImage:imageView.image]]; ImgBytes=[ImgBytes stringByAppendingString:[NSString stringWithFormat:@"^%@",q]]; -(NSString*)getStringForImage:(UIImage*)img { @try { NSData *data = UIImagePNGRepresentation(img); NSUInteger len = data.length; uint8_t bytes = (uint8_t )[data bytes]; NSMutableString *result = [NSMutableString stringWithCapacity:len]; for (NSUInteger i = 0; i < len; i++) { if (i) { [result appendString:@","]; } [result appendFormat:@"%d",bytes]; } return result; } @catch (NSException * e) { NSLog(@"Exception: %@", e); } @finally { NSLog(@"finally"); } } 