ios - UIDocumentInteractionController works but doesn't show "Save Image" -

i create , present uidocumentinteractioncontroller valid url saved image when present controller "save image" not appear.

nsurl *url = ...; self.interactioncontroller = [uidocumentinteractioncontroller interactioncontrollerwithurl:url]; [self.interactioncontroller presentoptionsmenufrombarbuttonitem:sender animated:yes]; 

i have verified self.interactioncontroller.uti valid image type (jpeg)

______actual_______ vs.____expected_____

____

note* if knows better way format images please guest

in order have option save camera roll, app must have permission access photos.

relative alauthorizationstatus ([alassetslibrary authorizationstatus])

"save image" displayed for

1. alauthorizationstatusauthorized
2. alauthorizationstatusnotdetermined

"save image" not displayed for

1. alauthorizationstatusrestricted
2. alauthorizationstatusdenied

you can check this:

#import <assetslibrary/assetslibrary.h>  - (bool)cansavetocameraroll {     alauthorizationstatus status = [alassetslibrary authorizationstatus];     return (status = alauthorizationstatusauthorized || status == alauthorizationstatusnotdetermined); }