listview - i want to make a screen with list and it should include a drill down concept in android app on gingerbread -

My app should have an activity to show a list of elements and These elements can be selected by using some elements, if it is clicked, then another list on the next screen with sub elements should be visible . Desperate need help snippet link would be better Thanx

Extend two activities with ListActivity. To create a list list, check it and apply the click listener to the list item and start another activity on the click event ...