Cover by Joe Conway, Aaron Hillegass

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Xcode Schemes

In Xcode, a workspace is a collection of projects, and a project is a collection targets and files. A target has a number of build settings and phases that reference files from its project. When built, a target creates a product, which is usually an application.

A scheme contains one or more targets and specifies what to do with the product or products (Figure 21.20).

Figure 21.20  Xcode containers

Xcode containers

When you create a new project, a scheme with the same name as the project is created for you. For instance, the TouchTracker project has a TouchTracker scheme, and this scheme contains the TouchTracker target, which is responsible for ...

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