File list (Check if you may need any files):
MapDemo.xcodeproj
.................\project.pbxproj
__MACOSX
........\MapDemo.xcodeproj
........\.................\._project.pbxproj
MapDemo.xcodeproj\project.xcworkspace
.................\...................\contents.xcworkspacedata
__MACOSX\MapDemo.xcodeproj\project.xcworkspace
........\.................\...................\._contents.xcworkspacedata
MapDemo.xcodeproj\project.xcworkspace\xcuserdata
.................\...................\..........\chenfeng.xcuserdatad
.................\...................\..........\....................\UserInterfaceState.xcuserstate
__MACOSX\MapDemo.xcodeproj\project.xcworkspace\xcuserdata
........\.................\...................\..........\chenfeng.xcuserdatad
........\.................\...................\..........\....................\._UserInterfaceState.xcuserstate
........\.................\...................\..........\._chenfeng.xcuserdatad
........\.................\...................\._xcuserdata
........\.................\._project.xcworkspace
MapDemo.xcodeproj\xcuserdata
.................\..........\chenfeng.xcuserdatad
.................\..........\....................\xcdebugger
.................\..........\....................\..........\Breakpoints.xcbkptlist
__MACOSX\MapDemo.xcodeproj\xcuserdata
........\.................\..........\chenfeng.xcuserdatad
........\.................\..........\....................\xcdebugger
........\.................\..........\....................\..........\._Breakpoints.xcbkptlist
........\.................\..........\....................\._xcdebugger
MapDemo.xcodeproj\xcuserdata\chenfeng.xcuserdatad\xcschemes
.................\..........\....................\.........\MapDemo.xcscheme
__MACOSX\MapDemo.xcodeproj\xcuserdata\chenfeng.xcuserdatad\xcschemes
........\.................\..........\....................\.........\._MapDemo.xcscheme
MapDemo.xcodeproj\xcuserdata\chenfeng.xcuserdatad\xcschemes\xcschememanagement.plist
__MACOSX\MapDemo.xcodeproj\xcuserdata\chenfeng.xcuserdatad\xcschemes\._xcschememanagement.plist
........\.................\..........\....................\._xcschemes
........\.................\..........\._chenfeng.xcuserdatad
........\.................\._xcuserdata