Re: [android-developers] openRawResource: does compressed files in APK get uncompressed completely?

Prior to I think Gingerbread, it would entirely uncompress in memory with a limit on the amount of memory it would use (I think 1MB) above which the open would fail.  On current versions of the platform it uncompression is streamed as you read it with no limit on size.

On Tue, Aug 21, 2012 at 1:25 PM, Tamás Kovács <falcon.firebreath@gmail.com> wrote:

Hello,

I have a custom file format in res/raw, which means it will get
compressed in APK.

Question:

Assume my application is installed on the device. When I open a file
via openRawResource(), does it completely uncompress the file in the
memory?

E.g. if it's a 3MB file, will it uncompress it in memory? If I only
need 10KB data from a certain offset (and I reach it via
BufferedInputStream.skip), will it still consume 3MB when
openRawResource() is called?

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Dianne Hackborn
Android framework engineer
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Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails.  All such questions should be posted on public forums, where I and others can see and answer them.

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