xCode Code-Folding
Fold ⌃⌘← control+command+left
Unfold ⌃⌘→ control+command+right
Unfold All ⌃U control+U
Fold Methods/Functions ⌃⌘↑ control+command+up
Unfold Methods/Functions ⌃⌘↓ control+command+down
Fold Comment Blocks ⌃⇧⌘↑ control+shift+command+up
Unfold Comment Blocks ⌃⇧⌘↓ control+shift+command+down
Focus Follows Selection ⌃⌥⌘F control+option+command+F
Indent
Indent Block Left ⌘[ command + [
Indent Block Right ⌘] command + ]
Auto Indent
step:
1. select text
2. right-click
3. Click on "Structure"
4. there's a "Re-indent selection" and other options in popup menu
