On 01/26/2014 07:17 PM, Hector Centeno wrote:
Hello,

I've been always aware that TetraProc (and Tetrafile, which is part of
it) is GPL and I can certainly make the source code of my Android app
TetraFile available. I just need to find the time to organize it,
clean it and package it properly. It consists of two Eclipse projects,
one with the Android Java frontend and another with the Tetrafile C++
NDK code with some minor modifications I did so I could interface more
easily with the frontend.

it doesn't need to be cleaned, really, but you need to get that source out asap. until you do, you are violating the license, which means you can't legally distribute tetrafile for android. or, if your modifications are small and self-contained, maybe just feed them back to fons and ask if he's interested in adding them to his repo.

Tetrafile depends on libsndfile which would have to be compiled
separately for Android but I guess I can include the precompiled
library with the Tetrafile NDK project. It took a bit of work to
finally get libsndfile working on Android but Steven Yi (a well known
Csound contributor) and I managed to get it done. The code for
libsndfile is here:
https://bitbucket.org/kunstmusik/libsndfile-android

As for AmbiExplorer, I didn't use any GPL code in it that would force
me to release the source code and for now I would like to keep it
closed. I will consider to release it in the near future.

oh, sure. i did not mean to imply otherwise, and i respect your choice of license.

otoh, i don't think that open-sourcing it would necessarily reduce your income from the app - installing something from google play for a few euros is just sooo convenient that i'd be very much surprised if more than 1% of your prospective customers would rather set up their own build environment... (i know i wouldn't - many other open-source apps are marketed via google play for reasonable amounts of money, and i always like to support people who donate their code to the public.)


best,


jörn






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Jörn Nettingsmeier
Lortzingstr. 11, 45128 Essen, Tel. +49 177 7937487

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