│   ├── HelloWorld-Prefix.pch

│   ├── ViewController.h

│   ├── ViewController.m

│   ├── en.lproj

│   │   ├── InfoPlist.strings

│   │   └── ViewController.xib

│   └── main.m

└── HelloWorld.xcodeproj

├── project.pbxproj

├── project.xcworkspace

│   ├── contents.xcworkspacedata

│   └── xcuserdata

│       └── tonyguan.xcuserdatad

│           └── UserInterfaceState.xcuserstate

└── xcuserdata

└── tonyguan.xcuserdatad

├── xcdebugger

│   └── Breakpoints.xcbkptlist

└── xcschemes

├── HelloWorld.xcscheme

└── xcschememanagement.plist