Up to this point, the TestApp project has been just that—an Xcode project. The collection of files and folders are bound by an
.xcodeproj file that contains all the project-wide settings (such as a description of your schemes and targets). Throughout the book, however, the word “workspace” has been used as a more general description of the project and the window that contains it all. A true workspace encompasses multiple projects.
What Is a Workspace?
Xcode 4 introduces the idea of a workspace as a kind of project binder—a container for multiple projects. A project groups together its related files and settings; a workspace binds multiple related projects. A workspace merely contains pointers to Xcode projects. Projects remain ...