[Ovmsdev] Android code for OVMS

William Petefish william.petefish at gmail.com
Sun Jul 29 08:30:16 HKT 2012

I already have 2 people lined up to work on the app. I cc the e-mail to you.

On Jul 28, 2012 4:51 PM, "Mark Webb-Johnson" <mark at webb-johnson.net> wrote:

> It appears that we're in a mess with the Android code base. The Android
> project Sonny had worked on containing updates to the OVMS Android App has
> been accidentally deleted, and the latest updates to the code lost. The NAS
> backup arrangement that Sonny had in place has also failed, and there is no
> backup.
> Sonny apologizes, and has tried hard to recover the files, but cannot. He
> is also still tied up with work commitments, and can't help much for the
> next month or two.
> We still have the code base in github, but that is quite old as it has not
> been updated with the improvements made in recent months. Primarily the
> settings screen, partial support for groups, and support for tablets. It is
> the tablet support that is causing problems with new high-res phones (as it
> is incorrectly identifying these as tablets) - I suspect that the settings
> code is the main thing we want to retain.
> I have tried to reverse-compile the Android code from the APK in the
> marketplace, and while the resulting code looks pretty good, the resources
> are not reverse-compilable, and look like they would take a significant
> amount of work to repair.
> My approach has been to take the github version, compile it, decompile it,
> and compare that with the decompiled version of the latest android market
> APK - applying patch duffs where necessary. The code looks good, and seems
> to only need minor tidy-ups. But, the resources are a mess. It seems the
> decompile process retains code symbols, but not resource symbols. The
> resource IDs and tags end up as numbers.
> I'm really not familiar with Android development, so am not sure how
> feasible that approach would be. It looked very easy and successful to
> start with.
> So, we are faced with a decision:
> 1. Someone more experienced with Android development comes up with a
> brilliant solution to finish off the reverse compilation of the APK to get
> back the latest version. I don't mind stepping in with the 'donkey work',
> but I really don't know where to start. What are those "R" class files -
> they look like they may be the key?
> 2. We start again with the code as it was a few months ago, and try to
> take it forward from there.
> 3. We investigate cross-platform development environments that could
> perhaps give us a more unified appearance across the the different
> platforms, as well as support for Windows Phone and others.
> What do people think?
> Mark
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