Just a reference list of classes. Make sure you haven’t missed some of them like AndroidHttpClient or HeterogeneousExpandableList.

http://developer.android.com/sdk/api_diff/8/changes.html

Completely new packages:

New classes

android.app

android.content

android.gesture

android.hardware

android.media

android.net

android.net.http

android.opengl

android.os

android.speech

android.test.mock

android.text.style

android.util

android.view

android.webkit

android.widget