Content has view with id attribute 'android.R.id.list' that is not a ListView class in ListFragment

Question

I am creating a StaggeredGridView using https://github.com/etsy/AndroidStaggeredGrid . But when I try to initialze the StaggeredGridView like follows:-

 public class HomeFragment extends ListFragment 
{

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {

        View vi = inflater.inflate(R.layout.fragment_home, container, false);




        mGridView =(StaggeredGridView)vi.findViewById(R.id.grid_view); // Issue here


        return vi;
    }
}

This is my Xml file:-

<com.etsy.android.grid.StaggeredGridView
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:id="@+id/grid_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
app:item_margin="8dp"
app:column_count="3" />

I get the following error:-

06-09 09:07:16.568: E/AndroidRuntime(1836): Caused by: java.lang.RuntimeException: Content has view with id attribute 'android.R.id.list' that is not a ListView class

If I change the ListFragment to Fragment I get a NullPointerException while I try to set an adapter What could be the cause?