Xcode Auto suggestion and Indexing Issue

Question

Indexing not working in My Xcode Project and also not got Auto suggestion list. does any one know how to resolve this issue?

I am using Xcode 9.1

Thanks

Answer 1

goto xcode
Preferences(Command+,)
Text Editing tab
Editing tab
Code completion
Check suggest completions while typing

Answer 2

You can try following steps:

1. Simply 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 any library function.