Custom Android list widget to access large sorted lists on touch devices

I have developed a custom Android widget for m5-rc14 that automatically (and efficiently) sections a sorted list by alphabet letters and offers a side-bar widget for quickly jumping to each section. This widget could be very useful for any project offering an extremely large list to the user, such as a music player showing artists or albums.

Some things left out with this widget are a smooth scroll to the selected position as well as a finer control for sections that have large item counts themselves. More to come later :)

Here's a screenshot using dummy data:



Download: AlphabetListView.tar.gz

Licensed under the GPLv2.

EDIT 2012-08-22: This approach represents very old design patterns for Android and has been broadly replaced by upstream components such as the fast scroll mode of ListView.