Enable indexing
- defaults delete com.apple.dt.Xcode IDEIndexEnable
- defaults write com.apple.dt.Xcode IDEIndexEnable -bool YES
Disable indexing
- defaults delete com.apple.dt.Xcode IDEIndexDisable
- defaults write com.apple.dt.Xcode IDEIndexDisable -bool YES
Show Indexing numeric progress
- defaults write com.apple.dt.Xcode IDEIndexerActivityShowNumericProgress -bool YES