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Xcode: Which files need to be members of my target? (Target Membership)

Tags:

xcode

ios

I'm developing an iPhone app in Xcode 4.6.2 that only has one target, and I've noticed that some important files are not members of my target. None of my custom header files are part of the target membership, nor is my Info.plist, my Prefix header, or the product "MyApp.app."

The way I understand targets, these files certainly need to be members of the target.

My question is: why aren't these files members of my target?

After searching around on SO, similar questions have yielded some insight, but not a complete answer to that question. The insight I've gathered is:

  1. Header files are not members of your target because they get linked in the "Copy Headers" Build Phase.

    • This sounds reasonable, but I don't have a Copy Headers Build Phase
  2. Info.plist and Prefix.pch aren't members of the target because Info.plist gets linked in the "Copy Bundle Resources" Build Phase, and the Info.plist contains a key/value entry that points to the prefix header (Prefix.pch)

    • I'm not positive that this is actually how it works
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T Blank Avatar asked Aug 07 '13 21:08

T Blank


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How do I add a file to target membership Xcode?

Select all the . m files in the "Project Editor" ( cmd-1 ), show the "Utilities View" ( opt-cmd-0 ) and click the new target in "Target Membership". Be careful not to select files that do not belong to a project such as .

How do I use targets in Xcode?

To view and add dependencies, select a target and open its build phase settings. The Dependencies build phase contains the targets that Xcode must successfully build before it builds the current target. Xcode can build multiple dependent targets simultaneously if there are no interdependencies between those targets.

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A Target specifies a product to build and contains the instructions for building the product from a set of files in a project or workspace. An Xcode scheme defines a collection of targets to build, a configuration to use when building, and a collection of tests to execute.


1 Answers

Header files are what other source files reference so that they know what the interface for a class is. They aren't needed as part of the binary itself, so they don't need to be included in the final product.

Info.plist is a special case as it defines the application bundle itself, so it is processed separately.

Generally speaking, you want files to be members of your target when they:

  • Form part of the executable (e.g. implementation (.m) files or libraries), or
  • Are included as files in the application bundle (e.g. images).

You don't need files to be members of your target if they are only used as part of the build process and aren't needed at runtime. Typically this is any type of header file, including precompiled headers (.pch).

like image 137
Jim Avatar answered Nov 15 '22 23:11

Jim