Ask this question over at the android-platforms, sorry I didn't move
it there first, but I hadn't seen that it existed...
and the problem is not with the IMAP protcal, but much rather with the
command issued by the client, using LIST instead of LSUB. LSUb is part
of the IMAPv4 RFC.
On Jan 23, 1:05 pm, Andrew Stadler <stad...@gmail.com> wrote:
> Thanks for looking into this problem and making suggestions.
>
> However, can we please move this to android-platform, because that is
> a better forum for discussion of changes & work on the platform and
> the platform apps.
>
> We're ramping up on accepting changes (slowly, but surely) and patches
> are welcome. When you work on this problem, please take a look at the
> existing unit tests (for Email) and be sure that any changes you make
> are matched by new unit tests as well.
>
> Finally, to be honest, 292 is a lot of folders, and there may be far
> more issues than simply improving the IMAP protocol aspects of this
> problem.
>
> Thanks,
> Andy
>
> On Thu, Jan 22, 2009 at 8:01 PM, nas061...@utdallas.edu
>
> <nas061...@utdallas.edu> wrote:
>
> > This code is found in:
> > src/com/android/email/mail/store/ImapStore.java
>
> > Okay, so I have a beef with the E-mail program provided by default and
> > I see room for change. My problem is that they use the IMAP command
> > LIST to list each folder, the problem with this is that, if you are
> > like me, with a large organization, you have a plethora of IMAP
> > folders. I haven't counted, but I'd estimate that we have around 292
> > and when I use the IMAP client built in, it loads all these folders,
> > and it takes it's sweet time.
>
> > connection.executeSimpleCommand(String.format("LIST \"\" \"%s*
> > \"",mPathPrefix == null ? "" : mPathPrefix));
>
> > Is the line that the code uses, which has a problem, because it's
> > telling the imap server it wants to list all the folders, whether you
> > are subscribed or not...
>
> > A simple change to this would be
>
> > connection.executeSimpleCommand(String.format("LSUB \"\" \"%s*
> > \"",mPathPrefix == null ? "" : mPathPrefix));
>
> > The LSUB command will only display the folders you are subscribed to,
> > instead of every folder. A better version would be the
>
> > connection.executeSimpleCommand(String.format("LSUB \"\" \"%s%
> > \"",mPathPrefix == null ? "" : mPathPrefix));
>
> > so that it would fold the folders first, then if a user click on it,
> > it can expand, swapping the % for a *.
>
> > If they are worried about not being able to see unsubscribed folders,
> > a new option can be coded to allow for
>
> > connection.executeSimpleCommand(String.format("LIST \"\" \"%s*
> > \"",mPathPrefix == null ? "" : mPathPrefix));
>
> > and simple have the user pick which folders they'd like to subscribe
> > to, if they have the permissions.
>
> > I have not yet git the entire tree and attempted to recompile the
> > emulator to reflect this change, but I will to test out my change and
> > I'll let you all know if this works, just wanted to get some feedback
> > on this problem.
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