Layout Design Help Android

I am using a web service which gives me a list of all the people in alphabetical order. I am showing this list in a Spinner. I would like to separate the list into sections by the

Solution 1:

Based on what your describing it sounds like an expandable List View showing letter the first letter of the name and expanding to reveal all persons with that name.

Take a look at this pic.
http://techdroid.kbeanie.com/2010/09/expandablelistview-on-android.html

Solution 2:

What I did was: Created two listviews side by side with alphabets as well as people

like this

with which you can scroll alphabets one side and corresponding people will load on other side.

Thanks