First and foremost, a massive shoutout to @gdavis and @viktart for putting together such an outstanding guide on Vim commands. This document is an expanded and slightly reorganized version of their original work.
Learning VIM in Xcode comes with its own set of challenges and limitations, but there is enough there for you to give your mousing hand a break and master the keyboard.
A limited set of commands are available in Xcode, and this document attempts help ease the learning curve of using VIM in Xcode by providing a handy reference as well as what I find works for me in practice.
NOTE:
Commands are case-sensitive. A command of N means pressing shift + n on the keyboard.