Here comes the mandatory question if Qt/C++ would be an option for you. Off course this can become a religious question easily. The drawback is that C is not an option there. In contrast to your proposed options, deployment should be a breeze, one (single) code-base, almost no porting necessary (apart from recompilation for your target platform). Java tends to be difficult to deploy right and is certainly not the fastest option on a mobile internet device. If it has to be C, I would stick with Gtk/Hildon, being it the native way to write Maemo apps. The Linux/Windows port will be a different beast though, the APIs for Hildon and stock Gtk differ quite a bit (altough lots of stuff is shared nowadays).
> 3. The application and its data files must reside on a USB thumb drive. > The app must not write to or read from the host computer's hard disks, > nor may it rely on any software on the local drives (other than the > standard IO libraries and device drivers that come with the stock > WinXP/Ubuntu/Maemo distro). If it has to be bloody simple to install you app you can statically link Qt into your binary to have one (big) executable for every system, which can be exectued from your USB-stick our just drag'n'dropped somewhere else.. > 4. The user interface must appear consistent in its representation both > the functional needs of the app and the look'n'feel of the each platform. This should answer the question: http://doc.trolltech.com/4.4/gallery.html Not shown there is the Maemo integration > 5. In an ideal world, the development platform would enable me to write > the software on my "powerful" HP laptop, then field-test it on the Eee > and the N810. Most easily done, there are official integrations for Eclipse, Visual Studio and there's the (still beta) QtDeveloper IDE. Off course there are others (KDevelop, ...) all platform-independent. Some documentation to validate Qt: http://doc.trolltech.com/4.4/how-to-learn-qt.html http://doc.trolltech.com/4.4/index.html Ahh and here is the SQL module documentation: http://doc.trolltech.com/4.4/qtsql.html -- Sascha Peilicke http://saschpe.wordpress.com
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