I created in my app a new class named
Firstly, all your files needs to be saved.
What you can try is:
Option 1. Close and reopen
Xcode with your project.
Option 2. Clean your project and build it again.
Option 3. Force
Xcode to do the indexing of your project once again:
Organizer(Window > Organizer) and select the
Projectsmode. Select your project in the left-hand view and then click the
Delete...button for the project's
This will delete the code sense index for the project and force
Xcodeto rebuild the index, which may fix the problem.