[android-developers] Re: Upgrading from 1.6 to 2.2+

Hi guys,

apologies for the vagueness. We wrote apps using API 4 to run on HTC
G1
development phones that can run at the max Android 1.6. We wanted to
port a number of them to Android 2.2+ without (which was the first
mistake) testing them on actual hardware that does run that OS. Would
such phones run apps written with API 4 without major overhaul?

@ Diane - The diffs are primarily incremental right? Each new API
compared
to the one before it? Still this helps!

@ Mark - is Marakana only providing sessions on the West Coast? Do
they
have anything planned for the NorthEast?

On Sep 8, 12:22 pm, Dianne Hackborn <hack...@android.com> wrote:
> Information about the major changes in each version is available here:
>
> http://developer.android.com/sdk/index.html
>
> On the left is the section for each version.  This includes an overview of
> the major new feature, as well as detailed API diffs of the new APIs
> introduced in that version.
>
> Your question isn't specific enough to be able to answer much more than
> that.
>
>
>
>
>
>
>
>
>
> On Thu, Sep 8, 2011 at 8:53 AM, kypriakos <demet...@ece.neu.edu> wrote:
>
> > Hi all,
>
> > we are in the process of moving a number of apps and their convoluted
> > logic from older OSes (1.6) to 2.2. Are versions 2.2+ backwards
> > compatible
> > for the most part with older versions? What are the most profound
> > changes that need to be done? Most of these apps make use of data
> > on the SD card (read and write to it) but the rest of the
> > functionality is
> > modest.
>
> > I  know this is a loaded question and I am not looking for a
> > comprehensive
> > answer but more like major points/directions to follow. I was thinking
> > also
> > that Mark's books may come handy since they do progressively walk
> > through
> > versions.
>
> > Thanks
>
> > --
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> --
> Dianne Hackborn
> Android framework engineer
> hack...@android.com
>
> 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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