[sugar] Info about data, instance and tmp directories in activity root

[Tomeu Vizoso]

On Fri, Jun 13, 2008 at 4:20 PM, Faisal Anwar <fanwar at mediamods.com> wrote:
> Hi,
>
> Does anyone know about (or can point me to docs for) the recommended uses of
> the data, instance and tmp directories that exist for every activity
> (usually found in the  ~myhome/.sugar/default/org.laptop.MyActivity/
> directory)? In particular, I had the following questions:
>
> - what types of data should be written in each of these three subdirectories
> and what is the difference between each?
> - Are there specific permissions or ownership issues involved with these
> directories.

http://wiki.laptop.org/go/Low-level_Activity_API#Writable_Directories

> - When should developers be writing files or data to the datastore and when
> should they instead by saving files directly to one of these directories?

An activity has to save to the DS all that is required to resume the
activity at a later point. You can see this as storing an activity
into the freezer, so it can be unfrozen later and resumed.

Regards,

Tomeu