File list (Check if you may need any files):
okOne.xcodeproj
...............\project.pbxproj
...............\project.xcworkspace
...............\...................\contents.xcworkspacedata
...............\...................\xcuserdata
...............\...................\..........\jinhao.xcuserdatad
...............\...................\..........\..................\UserInterfaceState.xcuserstate
...............\xcuserdata
...............\..........\jinhao.xcuserdatad
...............\..........\..................\xcschemes
...............\..........\..................\.........\okOne.xcscheme
...............\..........\..................\.........\xcschememanagement.plist