Re: [android-developers] Recommendation for an Application with tons of media files

2010-09-07 Thread Fabrizio Giudici

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On 9/6/10 18:50 , Frank Weiss wrote:
 I was thinking in using the sd card storage.

 That's a good idea.

 But, I don't want the user to accidentally remove the media
 files. I want it to be private, not accesible to possible
 deletions.

 How might a user accidently remove them? Why is this a concern?
Definitely a 160MB apk is not a good idea. Go for the sdcard, and add
just a consistency check for all the stuff, if you're worried about
deletions. Keep in mind that most users won't use a file manager and
thus it's not probable that they mess around with your data.


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Fabrizio Giudici - Java Architect, Project Manager
Tidalwave s.a.s. - We make Java work. Everywhere.
java.net/blog/fabriziogiudici - www.tidalwave.it/people
fabrizio.giud...@tidalwave.it
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Re: [android-developers] Recommendation for an Application with tons of media files

2010-09-07 Thread Sebastián Treu
Nice to hear your opinions, thanks all.

Cheers,
-- 
If you want freedom, compile the source.

Sebastián Treu
http://labombiya.com.ar

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[android-developers] Recommendation for an Application with tons of media files

2010-09-06 Thread Sebastián Treu
Hi all,

What will be the best storage choice for an application with huge
amount of mb in media? The application will not be in android market.

First choice was to use assets/ folder. At least, 160MB of audio is
shipped with the application. When I moved all the media to the
assets/ folder, I end up with:

Conversion to Dalvik format failed: Unable to execute dex: null

And reading: http://code.google.com/p/android/issues/detail?id=2328
suggest me that maybe it's not such a good idea to ship all the media
in an .apk file. I think that the problem has nothing to do with large
.java files, as it arises when I copy the bunch of audio to assets/.

I was thinking in using the sd card storage. But, I don't want the
user to accidentally remove the media files. I want it to be private,
not accesible to possible deletions. So, another approach is to use
the private storage and download the media in the application first
run, or something like that.

What would you suggest in such case? I have little experience in
android development yet, and I'm trying to take the pros and cons
about it, for then make the best choice.

Best regards
-- 
If you want freedom, compile the source.

Sebastián Treu
http://labombiya.com.ar

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Re: [android-developers] Recommendation for an Application with tons of media files

2010-09-06 Thread Frank Weiss
 I was thinking in using the sd card storage.

That's a good idea.

 But, I don't want the
 user to accidentally remove the media files. I want it to be private,
 not accesible to possible deletions.

How might a user accidently remove them? Why is this a concern?

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Re: [android-developers] Recommendation for an Application with tons of media files

2010-09-06 Thread Filip Havlicek
Hi Sebastián,

160MB is a lot of data, I think it is a must to save that much to SD card
(I'm not sure how much is the common internal phone storage, but I wouldn't
be surprised if it would be around 256MB in common cases).

Although I have to disappoint you, I think there is no way to prevent user
from accessing the data on SD card (this link supports my thoughts
http://developer.android.com/guide/topics/data/data-storage.html#filesExternal).
You cypher the data somehow to prevent other applications from reading
it
successfully, although you are going to have to check for the data
availability everytime you want to access it and throw an error message when
they are not found (they actually don't have to be deleted, mounting SD card
as mass storage to computer is enough to make them disappear to you).

Best regards,
Filip Havlicek

2010/9/6 Frank Weiss fewe...@gmail.com

  I was thinking in using the sd card storage.

 That's a good idea.

  But, I don't want the
  user to accidentally remove the media files. I want it to be private,
  not accesible to possible deletions.

 How might a user accidently remove them? Why is this a concern?

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