Xcode 8.2 Code Completion Not Working

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For some reason, in Xcode 8.2 my code completion has stopped working. I have cleaned my product, restarted Xcode, restarted my computer, and deleted the derived data, and still no luck. I have submitted this to Apple Support. Has anyone run into this before and been able to fix it?

Best Answer

Update: As per @Dareon solution below also works for Xcode Version 8.3 (8E162) and 8.3.2 (8E2002). Thanks, @Dareon for the confirmation. :)

I was facing the same issue and following worked for me.

I am using Xcode Version 8.2.1 (8C1002).

  1. Go to Xcode > Preferences > Text Editing
  2. Under Code completion - Uncheck 'Suggest completions while typing'
  3. Quit out of Xcode and then relaunch Xcode.
  4. Go to Xcode > Preferences > Text Editing again
  5. Quit out of Xcode and then relaunch Xcode.
  6. Now go to Code completion and check 'Suggest completions while typing'.
  7. Try typing library function or enum and enjoy!

At least, it worked for me.

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