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Message from discussion Android Source Code Now Available
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hackbod  
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 More options Oct 21 2008, 5:09 pm
From: hackbod <hack...@gmail.com>
Date: Tue, 21 Oct 2008 14:09:26 -0700 (PDT)
Local: Tues, Oct 21 2008 5:09 pm
Subject: Re: Android Source Code Now Available
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On Oct 21, 1:32 pm, Al Sutton <al.sut...@alsutton.com> wrote:

> So is Google going to provide examples of how third parties can write
> application directories with the same level of integration into the
> phone as Marketplace has?

The only special integration the Android Market has is that it can use
the direct call to install an app instead of going through the system
install UI, and all this does is allow it to do the permission
confirmation check before the user downloads an app instead of after.
The only reason why market can do this is because it is bundled as
part of the system image; if it wasn't, it wouldn't be able to do
that, and likewise if someone else has a carrier bundle their app with
a phone then they can do all of the same stuff.

Also the purpose here is not to give the Android Market a special
advantage, but to protect users: NO application installed as a third
party app can directly install other applications, because that would
effectively give it permission to everything in the world on the phone
(because it could just install another app with any permissions it
wants, with no confirmation by the user).  We thought this was a
little too dangerous to allow, especially for the small benefit it
provides.

(Btw, Market -is- using some public APIs, in particular a download
manager, that are not yet available in the SDK.  This is however
something you can write yourself, and it is also an API we plan to
make available to all apps in the future, we just didn't have time to
get it ready for 1.0.)


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