Project Organization for a Modern Xcode App

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Project organization for a modern Xcode app Curtis Herbert @parrots

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Simple beginnings

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Xcode 3 Build conﬁgurations, targets

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Xcode 4+ New: schemes and workspaces

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Target Apple: “Instructions for building one product”! Translation: A product/app/ executable. • Which source ﬁles? • Build steps (link libraries, compile, copy resources, etc) • Build settings like provisioning proﬁle, preprocessor macros • Executable information like name, ID, icons, etc

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Build conﬁguration Method to customize a target’s build settings #ifdef DEBUG For example: • Provisioning proﬁle • App icon • App name • Bundle ID • Preprocessor macros

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When do you want another target? Two distinct apps with (some) shared code.! ! Test harness, for example. Isolate test code from normal builds.

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Scheme Apple: “Instructions for building targets and performing actions”! Translation: what to do when you build, run, archive, etc • Which target(s) to build? • Which build conﬁguration? • Diagnostic ﬂags like zombie objects, command-line arguments

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One target The power of build conﬁgurations

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Demo

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Further reading WWDC 2011 - 313: Mastering schemes in Xcode 4 ! “Unique icons for debug, beta, and App Store builds in Xcode 5” - http://blog.consumedbycode.com