android - how to return back to previous activity on back pressed? -

i have call activity a state 2 activity a state 1 again call activity a state 3 activity a state 2. how can go activity a state 2 when press on button in android?

you can using following code-

@override  public void onbackpressed() { super.onbackpressed(); = new intent(currentactivity.this, nextactivity.class); i.setflags(intent.flag_activity_clear_top);  startactivity(i); finish(); }