1, from the Internet or other ways to get over the project code, often reported the following tips:
(1) When opening the file, a window appears prompting you that the "Project.xcworkspace" in the folder "****.xcodeproj" has permission to save. (2) When you enter Xcode, the window prompt could not add write permission to the file because you does not own it. Try Modifying the permissions of the file in the Finder or Terminal. And will let you go to choose whether locked, after the selection prompt cannot unlocked, as follows:
Prompt does not have write permission, and lets you try to go to the Finder or the terminal to modify it.
2, the reference solution is as follows:
Select the Project folder right-click on "Show Info"-"Share and Permissions"--"-+" number. Add this user (that is, the account you are logged into), grant Read and Write permissions, and click on the settings symbol below to select "Apply to included items", such as:
3. References
http://www.yxkfw.com/?p=8180
iOS Development Note 17-a question about read and write access to engineering catalogs