Xcode could not index the header file

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When I used Xcode 6 to develop an iOS app, I found Xcode cannot indexing when I set up a separate header file.

The detailed situation is like this:

I set up a separate header file named TestClass.h, and imported Foundation/Foundation.h. However, no auto completion when I tried to enter NSObject, and when I press COMMAND and click Foundation/Foundation.h, "Symbol not found" appeared.

Besides, I have tried to delete the derived data and re-open Xcode but no help.

Is there and solution to this problem? Thanks very much!

asked 27 secs ago

htredleaf

1

Xcode could not index the header file