ios - How to save an image to iTunes file sharing -

i save image called img itunes file sharing folder. can please tell me how?

here sample code:

nsarray paths = nssearchpathfordirectoriesindomains(nsdocumentdirectory, nsuserdomainmask, yes);  nsstring *documentsdir = [paths objectatindex:0];  nsstring *filepath = [nsstring stringwithformat:@"%@/%@.jpg", documentsdir, filename];  nsdata data = uiimagejpegrepresentation(img, 1.0);  [data writetofile:filepath atomically:no]; 

also itunes file sharing:

you should go info.plist , add row

application supports itunes file sharing yes