You could add a callback from your fragment to your activity to close the drawer..
Ex.
public class YourFragment extends Fragment
{
public void onClick(View v)
{
((OnCloseDrawerListener)getActivity()).onCloseDrawer();
}
public interface OnCloseDrawerListener
{
void onCloseDrawer();
}
}
Then in your activity you would need to implement this interface
public class MyActivity extends Activity implements OnCloseDrawerListener
{
@Override
public void onCloseDrawer()
{
// add whatever code you need to close the drawer
}
}
Obviously you can name this interface something that more accurately represents your needs and pass it whatever arguments you require