Xcode's Path trivia record
Installation path for the emulator application
/users/aplle/Resource Library/application Support/iphone simulator/7.1/applications
Xcode Document Installation Path
/applications/xcode.app/contents/developer/documentation/docsets
Xcode Emulator Installation path
/applications/xcode.app/contents/developer/platforms/iphonesimulator.platform/developer/sdks
Xcode path from the lead file
/applications/xcode.app/contents/developer/platforms/iphonesimulator.platform/developer/sdks/ Iphonesimulator7.1.sdk/system/library/frameworks/uikit.framework/headers
After modifying the system self-lead file, Xcode will error
Solution: Delete the cache of the following folder (Aplle is the user name of the computer)
/users/aplle/Resource Library/developer/xcode/deriveddata
Or
/users/aplle/library/developer/xcode/deriveddata
The installation path of the Xcode plugin (you can remove the content here to uninstall the plugin)
(Aplle is user name)
/users/aplle/library/application Support/developer/shared/xcode/plug-ins
Xcode's Path trivia record