Do you frequently hear yourself say "Don't touch the project file!", "Who overrode my changes?" or "Where did my file go?" If so, this talk is for you. We constantly put the project file on a pedestal of things-you-do-not-mess-with, but is this much caution really warranted? We'll cover tips, tricks, and solutions to promote harmony between you and your project file.

1. Mastering the
Project File
Michele Titolo
Sr. Mobile Engineer / Prolific Interactive
@micheletitolo
Saturday, April 20, 13

2. Hello!
Saturday, April 20, 13

3. Saturday, April 20, 13

4. Saturday, April 20, 13

5. Saturday, April 20, 13

6. <<<<<<< HEAD
! ! ! ! A487DC9215FE5DCD0037E8A3 /* AppDelegate.h */,
! ! ! ! A487DC9315FE5DCD0037E8A3 /* AppDelegate.m */,
! ! ! ! D9CA01C11720AD7D00CBD2B2 /* View Controllers */,
=======
! ! ! ! D9CA01B71720AC3000CBD2B2 /* Base */,
! ! ! ! D9CA01BB1720AC3C00CBD2B2 /* Controllers */,
>>>>>>> star_circle_ratings
Saturday, April 20, 13

7. Falling back to patching base and 3-way merge...
Auto-merging MyApppp.xcodeproj/project.pbxproj
CONFLICT (content): Merge conflict in MyApp.xcodeproj/
project.pbxproj
Failed to merge in the changes.
Patch failed at 0037 launch screen images update
Saturday, April 20, 13

8. It’s not that special
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9. Saturday, April 20, 13

10. .xcodeproj
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11. It’s a folder
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12. Saturday, April 20, 13

13. Saturday, April 20, 13

14. project.xcworkspace
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15. another “special” folder
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16. Saturday, April 20, 13

17. contents.xcworkspacedata
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18. references .xcodeproj
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19. xcuserdata
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20. Not just in .xcodeproj
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21. project.pbxproj
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22. it’s a plist
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23. a very special plist
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24. the heart of your project
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25. let’s look inside
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26. // !$*UTF8*$!
{
! archiveVersion = 1;
! classes = {
! };
! objectVersion = 46;
! objects = {
/* Begin PBXBuildFile section */
! ! 8A9D5590A3E24AC297598750 /* libPods.a in Frameworks */ = {isa = PBXBuildFile; fileRef...
! ! D94D3E72170B80FB00EA401C /* UIKit.framework in Frameworks */ = {isa = PBXBuildFile; f...
! ! D94D3E74170B80FB00EA401C /* Foundation.framework in Frameworks */ = {isa = PBXBuildFi...
! ! D94D3E76170B80FB00EA401C /* CoreGraphics.framework in Frameworks */ = {isa = PBXBuild...
! ! D94D3E7C170B80FB00EA401C /* InfoPlist.strings in Resources */ = {isa = PBXBuildFile; ...
! ! D94D3E7E170B80FB00EA401C /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = D94...
! ! D94D3E82170B80FB00EA401C /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRe...
! ! D94D3E84170B80FB00EA401C /* Default.png in Resources */ = {isa = PBXBuildFile; fileRe...
! ! D94D3E86170B80FB00EA401C /* Default@2x.png in Resources */ = {isa = PBXBuildFile; fil...
! ! D94D3E88170B80FB00EA401C /* Default-568h@2x.png in Resources */ = {isa = PBXBuildFile...
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27. Saturday, April 20, 13

28. Let’s break it down
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29. ‘objects’ and ‘root_object’
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30. ‘objects’
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31. objects = {
D94D3E72170B80FB00EA401C = {...};
D94D3E74170B80FB00EA401C = {...};
D94D3E76170B80FB00EA401C = {...};
532ABB3011D5647300D29D20 = {...};
532ABB3111D5647300D29D20 = {...};
532ABB3211D5647300D29D20 = {...};
532ABB3311D5647300D29D20 = {...};
};
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32. Every object has a UUID
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33. objects = {
D94D3E72170B80FB00EA401C = {...};
D94D3E74170B80FB00EA401C = {...};
D94D3E76170B80FB00EA401C = {...};
532ABB3011D5647300D29D20 = {...};
532ABB3111D5647300D29D20 = {...};
532ABB3211D5647300D29D20 = {...};
532ABB3311D5647300D29D20 = {...};
};
Saturday, April 20, 13

34. ‘root_object’
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35. isa = PBXProject;
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36. mainGroup = A487DC7415FE5DCD0037E8A3;
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37. targets = (
! 1D6058900D05DD3D006BFB54 /* MyApp */,
! D94C698916E6E808002BDD31 /* MyApp Test */,
! D9E1D32A16E6FCC100C0524D /* MyApp Pro */,
);
Saturday, April 20, 13

38. projectReferences = (
! {
! ! ProductGroup = D94C698116E6E7DE002BDD31 /* Products */;
! ! ProjectRef = D94C698016E6E7DE002BDD31 /* KIF.xcodeproj */;
! },
);
Saturday, April 20, 13

39. buildConfigurationList = C01FCF4E08A954540054247B
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40. PBXAggregateTarget
PBXBuildRule
PBXContainerItemProxy
PBXCopyFilesBuildPhase
PBXFileReference
PBXFrameworksBuildPhase
PBXGroup
PBXHeadersBuildPhase
PBXLegacyTarget
PBXNativeTarget
PBXProject
PBXReferenceProxy
PBXRezBuildPhase
PBXShellScriptBuildPhase
PBXSourcesBuildPhase
PBXTargetDependency
PBXVariantGroup
XCBuildConfiguration
XCConfigurationList
XCVersionGroup
Saturday, April 20, 13

41. Saturday, April 20, 13

42. Saturday, April 20, 13

43. Saturday, April 20, 13

44. XCBuildConfiguration
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45. Debug and Release
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46. Saturday, April 20, 13

47. Compiler flags
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48. buildSettings = {
! ALWAYS_SEARCH_USER_PATHS = NO;
! "CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
! COPY_PHASE_STRIP = NO;
! DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
! GCC_DYNAMIC_NO_PIC = NO;
! GCC_OPTIMIZATION_LEVEL = 0;
! GCC_PRECOMPILE_PREFIX_HEADER = YES;
! GCC_PREFIX_HEADER = Prefix.pch;
! GCC_WARN_ABOUT_RETURN_TYPE = YES;
! GCC_WARN_UNUSED_VALUE = NO;
! GCC_WARN_UNUSED_VARIABLE = YES;
! INFOPLIST_FILE = Info.plist;
! ONLY_ACTIVE_ARCH = NO;
! PRODUCT_NAME = MyApp;
! SDKROOT = iphoneos;
};
Saturday, April 20, 13

49. Project or Target
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50. PBXNativeTarget
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51. buildConfigurationList
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52. buildPhases
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53. buildPhases
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54. PBXResourcesBuildPhase
==
Copy Bundle Resources
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55. PBXSourcesBuildPhase
==
Compile Sources
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56. PBXFrameworksBuildPhase
==
Link Binary With Libraries
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57. PBXShellScriptBuildPhase
==
Run Script
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58. The Big Picture
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59. Saturday, April 20, 13

60. It’s just a plist
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61. How does this make our
lives suck less?
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62. project.pbxproj -text
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63. Make it readable
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64. Make it JSON
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65. Xcode don’t care
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66. The End
Michele Titolo
@micheletitolo
Saturday, April 20, 13