Life cycle of Android Activity after pressing Back button

Question

I am little confused between the life cycle of two activities.

Suppose I have Activity A and Activity B.

B is called From A i.e A ----> B.

Answer 1

The following activity call back methods are called, after pressing back button.

onPause()
onStop()
onDestroy()

The activity is destroyed.

And it recreates when launched again. These are the callback methods when it launches again.

onCreate()
onStart()
onResume()