Partially transferred from http://www.cnblogs.com/yjmyzz/archive/2011/01/25/1944325.html
Xcode navigation shortcut keys
1. Engineering Navigator: command+1
Quickly browse through code, pictures, and user interface files.
2. Show/Hide Navigator Panel: command+0
When you're on the screen you might want to hide irrelevant parts of the content you're interested in. This shortcut is useful if you want to use an auxiliary editor or if you want to design a user interface and connect it to your code.
3. Show/Hide Utility panel: command+option+0
The utility panel is used primarily for editing user interface files, and you can hide it when you only consider writing code.
4. Run App:command + R and stop App:command +.
5. In the Code
Cmd+n; Create a new file
CMD + [: Left Indent
CMD +]: Right Indent
Ctrl + P: Move the cursor to the previous line
Ctrl + N: Move the cursor to the next line
Ctrl + A: Move the cursor to the beginning of the bank
Ctrl + E: Move the cursor to the end of our line
Ctrl + D: Remove the character to the right of the cursor
Ctrl + K: Delete Bank
Command + Alt + P: Continue (in debugging)
Command + Alt + 0: Skip
Command + Alt + I: Jump in
Command + Alt + T: Jump out
Xcode shortcut keys