The Android SDK 0.9 beta r1 [August 18, 2008] has been released and is available for download.
According to release notes from Google developers, this is the first release of the Android SDK that is formally on the path to Android 1.0. This menas that the differences between this release and final 1.0-compatible releases are expected to be minimal and no major API changes are planned.
Besides bugs fixed, a major UI update has been introduced, which includes a new home screen for widgets, as well as a tab to pull up applications. Have a look at the video below!



