Xcode Siwft Re-Indent and Object Library

 XCode Swift 

Re-Indent: (自動調整縮排)

Select first the text you want to format and then press Ctrl+I.

Use Cmd+A first if you wish to format all text in the selected file.

Object Library:

Command-shift-L. This should pop up the object library. You can also do command-shift-M to pop up the audio/music library.