package zaihuishou.com.expandablerecyclerview; import com.zaihuishou.expandablerecycleradapter.model.ExpandableListItem; import java.util.List; public class Department implements ExpandableListItem { private boolean mExpand = false; public String name; public List<Employee> mEmployees; @Override public List<?> getChildItemList() { return mEmployees; } @Override public boolean isExpanded() { return mExpand; } @Override public void setExpanded(boolean isExpanded) { mExpand = isExpanded; } @Override public String toString() { return "Department{" + "mExpand=" + mExpand + ", name='" + name + '\'' + ", mEmployees=" + mEmployees + '}'; } }