[libdecodeqr:0015] Re: Building libdecodeqr for Maemo Linux
Stefano Pedemonte (stefano#pedemonte.eu) 2008/03/28 21:00:31 +0100
There's a hint here:
http://lists.evolvis.org/pipermail/jalimo-info/2008-March/000074.html
AWT and Swing (which give you gui functionality) are in the additional
package classpath-gtk..
> On Thu, 27 Mar 2008, Stefano Pedemonte wrote:
>
>> I suggest you use qrcode-0.9, if you can write your entire application
>> in
>> Java you have solved all your problems. You will notice that libdecodeqr
>> is in practice useless because it decodes only some images.
>
> I installed Jalimo on my tablet, and built qrcode-0.9 under FC4.
> (I found I had to upgrade my SDK from 1.4.2 to 1.6 to get the example to
> compile .. syntax error in the sourcecode .. I thought Sun javac was
> stable; guess not)
>
> When I try decoding sample images (from libdecodeqr, qrcode and vendors
> pages such as Kaywa - there are none "in the wild" e.g. magazines in
> Canada AFAIK), qrcode is no better than libdecodeqr. It does decode
> images from Nokia's online coder, but otherwise there are several images
> that decode with libdecodeqr but not qrcode, and vice-versa. It's
> noticably slower than libdecodeqr.
> - retraction: qrcode is better on longer messages and URLs, and qrencode
> will make some that qrcode can decode and libdecodeqr can't, so overall
> I agree it's better
> http://home.daviel.org/QR.decode.notes
>
>
>
> When I tried porting it to the tablet under Jalimo, I get Cannot load AWT
> toolkit: gnu.java.awt.peer.gtk.GtkToolkit?. Obviously I'm missing something
> but
> I'm not sure where to find it. I don't normally use Java much (or Python,
> for that matter... I write Perl or build other people's C tarballs)
>
> I also tried Semacode reader on the tablet. For that, I get
> javax.microedition.lcdui.Form not found. So I guess Jalimo doesn't have
> lcdui, at least not in the default install.
>
> It might be easier just to go buy a supported cellphone, if I was more
> interested in deploying codes than in tinkering with my tablet ... :-)
>
> Andrew
>
>
>

