Difference between extending LifecycleActivity,Activity,ActionbarActivity & AppCompactActivity?

Question

In Android what is the main difference between extending Lifecycler Activity, Activity,ActionBarActivity & AppCompactActivity? How do these classes differ from each othe

Answer 1

The ActionBarActivity or the SupportActionBarActivity have additional methods and properties that are not in a generic Activity. for example methods for adding tabs are present in the ActionBarActivity and not in a generic Activity.

The major difference being you don't get an ActionBar on a generic Activity.