Hidden Features of Xcode 4

Answer 1

Some useful hotkeys for working on smaller screens are:

• cmd-shift-y - Hide and show the console/debug area

• cmd-0 - Hide and show the file navigation

Answer 2

Jump bar:

if your write outside function:

// FIXME: A Bug
// TODO: Later
// ???: ???
// !!!: !!!
// MARK: This a mark

Will like:

Also you can search:

Click with Option(With Shift at the same time, you can choice another window), you can see a dialog letting you specify where the file should open:

Source control:

If you use svn or git, discard change is easy:

Interface buidler

In xcode 4.2, you can jump to interface builder here:

Click a ui object with Shift, it will show a list of all objects under the point.

Try this: Select a ui object, hold Option, then move mouse over other objects. It will like:

Other

Hotkey: Shift+Command+O Open Quickly

Try:

#error message
#warning message

And read: Writing and Editing Source Code

Answer 3

QUICK HELP

Ctrl + Option / Alt + f

Find the Quick help. For example,

@property (nonatomic, retain) NSString *strQuery;

My Text cursor is at NSString & if I press Ctrl + Option + f then It will show a quick documentation in the inspector/utilities.

Answer 4

shift-option-click on a file in the Groups and Files list Project Navigator, or hold shift-option while choosing a file from the Jump Bar.

You'll get a pop-over from which to pick where to open the file. New or existing tab, new or existing split (Assistant) editor, new window—every possible option is there.

Answer 5

You can now associate groups in the Project Navigator with folders on disk. It always bugged me before that the Xcode 3 file view may not represent the actual structure of the project on disk.

Create a new group, then with the new group highlighted, open the File Inspector. In the identity section on the right just below the 'Path' is a small icon, click this to open the file browser dialog allowing you to select the directory for this group.

Answer 6

If you hold the FN key then you can scan through your document with the cursorkeys, without moving the cursor