What are the differences between extending Activity and extending ListActivity?

Question

I am using a class which extends Activity to obtain a list from an API...

In some apps which do basically the same, the devs extended ListActivity...

Which are t

Answer 1

Extending from the ListActivity you agree with the contract that in the layout of your activity a ListView component will be available.

Your ListView component should have the id: @android:id/list

The ListView class provides convenient methods for working and manipulating the ListView