Adding a "Child" or SubItem to ExpandableListView

I can't find instructions to add a child item to my expandable list anywhere. All I can find is 50 questions on how to change the background color.

Right now, I am using this code to create a normal list view:

 public String listArray[] = { "Example1", "Example2", 开发者_C百科"Example3", "Example4", "Example5"}; 
 public void onCreate(Bundle savedInstanceState)
  {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.main2);  
      listV = (ListView) findViewById(R.id.exListView);
      listV.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, listArray));      
  }    

But how would I go about adding sub or child items underneath example1, example2, etc..?

For starters, you need to use an ExpandableListView instead of a ListView. Then throw in a SimpleExpandableListAdapter and maintain a reference to your group (parent) and child data objects.

Then it's as easy as:

mChildData.get(groupIndex).get(childIndex).put(...);
mListAdapter.notifyDataSetChanged();

Basic example for expandablelistview is.. here....

Implement OnChildClickListener in your Activity and implemet this method..

@Override
public boolean onChildClick(ExpandableListView parent, View v,
int groupPosition, int childPosition, long id) {

   //Add new chid data in your list (ex ArrayLis or Array whatever you use)
  adapter.notifyDataSetChanged() // BaseExpandableListAdapter's adapter...


return true;
}

Is it work work for you?