一般情况下listview的分割线是这样设置的:
m_listView.setDivider(getResources().getDrawable(R.drawable.divider_color));
m_listView.setDividerHeight(1);
ExpandableListView要设置下拉里面的分割线:
m_listView.setChildDivider();
ListView.setAdapter(ListAdapter);里面不能写BaseExpandableListAdapter
ExpandableListView.setAdapter(BaseExpandableListAdapter);