On Feb 21, 2008, at 4:27 PM, Chris Ryland wrote:
Other than sporadic mentions of problems hither and thither, I don't
see anyone complaining about using .xib (vs .nib) format much.
Hey Chris -
A NIB 3.0 file is actually just a NIB 2.x file with a XIB file
embedded. So, if you've been using NIB 3.0, and you're afraid there
will be risks associated with XIB files, this information should help
dispel that worry.
Here's some pertinent info from the AppKit release notes.
Leopard developer tools includes a new version of Interface Builder
(IB). IB 3.0 has a redesigned interface, a much improved integration
with Xcode, and ability to access many more AppKit features in your
nib files than before.
IB 3.0 supports three file formats. The 2.x file format is same file
format that's been in use in Interface Builder previously. It can be
edited by IB 2.0, and is deployable on earlier versions of Mac OS X.
The 2.x file format does not support some new features of IB, such as
the ability to edit custom cell subclasses and toolbars. The 3.x file
format supports all the new features, is also deployable on earlier
versions of Mac OS X, but can only be edited with IB 3.0. IB 3.0 also
supports a textual, human-readable format called the "xib" format.
This format is equivalent to the 3.x format, but it's more SCM-
friendly. It is compiled down to a 3.x file at build time.
For editing and building your project on Leopard only, we recommend
the xib format, since it provides the best development time
experience. If you need to build your project on Tiger, but edit your
nibs on Leopard only, then you can use the 3.x format. Finally, if you
wish to be able to continue to edit your nib files on Tiger, you can
stick to the 2.x format. In all these cases, the files can be deployed
on Tiger, but some features supported by IB 3.0 may not work on the
earlier systems. IB has facilities to warn you in those cases.
Good Luck -
Jon Hess
Does that mean they're safe to use? Any other experiences?
Thanks &
Cheers!
--Chris Ryland / Em Software, Inc. / www.emsoftware.com
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