title: how to create list and sublist -android?
body: <p>I am new to android.Can any one help me .how to create a list.
  example:
  List1
  by selecting list1
  I should get list1 items in sublist list1.1,list1.2....
  List2
  by selecting list2
  sublist items as
  list2.1
  list2.2</p>
  
  <p>Please help me.</p>