Jacob Rus wrote:
Dan Williams wrote:
http://wiki.laptop.org/go/Activity_Bundles
Comments welcome. Especially from you, Blizzard, since easily
installable and transferable activities is your baby :)
Dan
Apple's very similar application bundles may be a useful inspiration
here. They are quite well [documented][1] at Apple's developer
website. In particular, there are a few things in OS X application
[info.plist files][2] that may be useful for OLPC info files.
1. Info.plist files have both a monotonically increasing integer
version (CFBundleVersion), and a human-readable version string,
(CFBundleShortVersionString).
I tend to think this would be useful. I don't think we should expose it
during a normal installation process but when things breaks or there are
anomalities, it would be preferable to show a human readable version to
the user then an integer.
2. Applications declare which file types they are able to open,
and which icons to use for those file types.
I think the associations between files and activities in sugar will not
be usually MIME based.
There is still the case of files downloaded from the web, which I'm not
sure how to handle yet (pdf for example). Maybe this could work for that
case but I want to avoid to get in the business of file types
association editing at any cost :)
3. The LSMinimumSystemVersion key is used to indicate the minimum
operating system version the application will run on.
Yeah I think I brought this up with Dan too. Indicating a minimum
version or an exact one depends on which kind of ABI policy we decide to
adopt.
Also, OS X handles all internationalization through «LangName».lproj
folders inside the resources folder for the application bundle. These
contain localized versions of every string applicable to the
info.plist files, in files called InfoPlist.strings, and other
internationalized strings in a file called Localizable.strings. This
way isn't necessarily better, but keeping all the localized strings
for a particular language for a particular application in one place,
instead of leaving some of them in the main info file, and others
elsewhere, seems like a good idea to me.
Yeah, Dan was considering something similar if I'm not mistake.
Thanks,
Marco
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