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 > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to android-developers@googlegroups.com > To unsubscribe from this group, send email to > android-developers+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- 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. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
