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How should I organize my Xcode project files?

I'm trying to wrap my head around Xcode's file organization - or lack there of. I can do all I want in project and it looks great with all the "fake" folders and structure. I go look at the file system and boom HUGE mess. I've tried importing files with the Create Folder Reference for any added folder option checked and that works, kinda. I get the structure I want both in Xcode and on the filesystem.

Issues: When I add a file to a folder on the filesystem that is a Folder Reference in Xcode, its not in Xcode when I go look, not even after reloading the project. Files/Subfolders in a Folder Reference can't be moved around in Xcode. When I move them on the filesystem I get red links (can't find the file?) in Xcode.

How do I keep a organized project and filesystem? How can I set up a project to just recognize a folder and show its (current and up-to-date) files and subfolders in my project?

Another issue I seem to run into, if I use a Folder Reference and change a file, the file is not updated in my application unless I do a full clean & rebuild. If I don't use a Folder Reference, all my files are dumped into the Resource folder of the application bundle, not in the nice structure I have in my project.

Should I care at all? Should I just use the fake folders and let everything go everywhere and not care? My application bundle will be a mess, the filesystem will be a mess, but it will all work... I would hope?

Edit:

My biggest reason for wanting an organized filesystem is that the resource files (images, sounds, other datafiles, etc.) are not edited in Xcode. I have to access them in 3rd party apps via the filesystem. If its a mess things are harder to find and maintain in the other 3rd party applications.

Also what happens if I want a structure like the following:

  • Images/Backgrounds/Name.png
  • Images/Icons/Name.png
  • Images/Titles/Name.png

Should I use long filenames rather than folders to organize?

  • Images_Backgrounds_Name.png
  • Images_Icons_Name.png
  • Images_Titles_Name.png
like image 405
Justin808 Avatar asked Aug 28 '10 10:08

Justin808


2 Answers

OK, so here is how it works:

Xcode doesn't know about any files until you tell it about them. That is, even if you add a file manually in the finder (usually a bad idea) to a folder that contains files in an Xcode project, it doesn't know about them until you "add existing file to project".

The best practice (imo) for adding an existing file (or group of files) to a project (say, some code you just downloaded) is to choose "add existing files" and then "copy items to destination group's folder (if needed)" in the next dialog, if you want your project to have a copy of the files in question, rather than merely a reference to them (there are advantages and disadvantages of both).

Don't worry too much about the naming of folders in Xcode, or where you put things, but try to keep to a standard that makes sense in your environment. For example, I always put the classes I write in "Classes", and have separate folders for any library code i've downloaded for use in the project. I always put images/icons/audio etc in to "Resources".

In short, if you like what's in the project folder to be approximately the same as what's in your project, always add existing files by choosing the "copy items to destination group's folder"

The flexibility in XCode is intentional. It's up to you to decide how you like to organise things.

like image 40
pro7otype Avatar answered Sep 19 '22 14:09

pro7otype


I also wish Xcode automatically kept itself and the file system in sync.

So much so, that I spent an hour doing so manually for a project called acani-iphone on GitHub. Basically, I just moved some of the files around using Finder, creating new folders as I pleased. Then, I switched back to Xcode and saw that the files I just moved were now red (because Xcode was thinking they're where I moved them from and so couldn't find them).

UPDATE: I just figured out that I could've then just clicked on the red group or file, pressed CMD+i (Get Info from the context menu, which you can open by right-clicking on the red file or group), and under the General tab, clicked Choose, then found where I moved the file to in the filesystem. But, I didn't do that, here's what I did instead, which also works:

Then, I just highlighted all the red files in Xcode and pressed command + delete to delete the broken (red) references. Then, I right-clicked on the Group I wanted to add the files to (usually the same group), and clicked Add > Existing Files.... Then, I found the same files in the new spot on the file system. I kept "Copy items into destination group's folder (if needed)" unchecked, I checked the radio button "Recursively create groups for any added folders," and I checked add to target acani if the files I was adding were being used to build the acani iPhone app.

I did the above with like a directory of files at a time. A few times I was more aggressive, adding multiple directories at a time, since I almost always selected the radio button "Recursively create groups for any added folders."

I found out that the files acani_Prefix.pch and acani-Info.plist had to stay in the root file system dir (although there may be settings you can set to allow these files to be elsewhere, like I think you can add a line to acani-Info.plist so that you can move/rename acani_Prefix.pch, but I'm fine with them in the root dir on the file system.

That was annoying to do, and perhaps not even worth the trouble, perhaps procrastination, but going forward, before adding existing files to Xcode, I'll first make sure they're in the place I want them to be on the file system.

like image 122
ma11hew28 Avatar answered Sep 18 '22 14:09

ma11hew28