CodeEditor use ACE editor under the hook.
With Hacker’s Keyboard on Android, we can use some of ACE’s keyboard shortcuts:
Tip: Press Ctrl +, we can see ACE settings. And choose keybinding as ACE.
Some of my favourite shortcuts with Android Hacker’s Keyboard
Ctrl + D = delete
Ctrl + Shift + D = duplicate
Ctrl + H = Replace
Ctrl + [ (or ])= indent
Ctrl-P = Go to matching bracket
Ctrl-Alt-Up = Add multi-cursor above
Alt + 0 = Fold all
Alt + Shift + 0
Alt + L
Alt + Shift + L
See all key shortcuts here:
https://github.com/ajaxorg/ace/wiki/Default-Keyboard-Shortcuts