Easiest way to zip and unzip files in your iOS app (Xcode) on March 03, 2014 "Open In" iOS libz.dylib NSFileManager SSZipArchive UTI Xcode ZipArchive +
Enable your iOS app to share files via iTunes and to open files sent from other apps ('Open In') on January 06, 2014 "Open In" Document Interaction iOS iTunes Sharing UIDocumentInteractionController unique type identifier UTI Xcode +