how to convert byte array to image in ios

Question

today my task is convert byte array to image

First I try to convert image to byte array :-

For converting Image to Byte array first we have to do is to convert

Answer 1

You are representing the data with wrong format

Your image is of format jpg and you are representing with PNG data.

For jpg or jpeg format you should use UIImageJPEGRepresentation

NSData * UIImageJPEGRepresentation (
   UIImage *image,
   CGFloat compressionQuality
);

The required statement will be

NSData *imageData = UIImageJPEGRepresentation(image, 0.0f);// Set Compression quality to 0.0. You can change it.

For png format you should use UIImagePNGRepresentation

NSData * UIImagePNGRepresentation (
   UIImage *image
);

The required statement will be

NSData *imageData = UIImagePNGRepresentation(image);

To convert the NSData back to UIImage, use

UIImage *image = [UIImage imageWithData:imageData];

READ THE APPLE DOCS. SEE UNDER IMAGE MANIPULATION