GetLoaderManager (). initLoader () does not accept 'this' as an argument, although the (ListFragment) class has no support libraries

I saw the previuos question

import android.app.ListFragment;
import android.app.LoaderManager.LoaderCallbacks;
import android.database.Cursor;
import android.os.Bundle;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;





public class Myfragment extends ListFragment implements
        LoaderManager.LoaderCallbacks<Cursor> {

    View v;
    private int id = 1;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);



    }

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

        v = inflater.inflate(R.layout.job_layout, container);
        getListView().setAdapter(new Jobs_Adapter());
        return inflater.inflate(R.layout.job_layout, container);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {

        super.onActivityCreated(savedInstanceState);
//      getLoaderManager().initLoader(id, null,
//              (android.app.LoaderManager.LoaderCallbacks<Cursor>) this);
        // Manager().initLoader(0, null,
        // (android.app.LoaderManager.LoaderCallbacks<Cursor>) this);
        getLoaderManager().initLoader(id, null,this);
    }

    @Override
    public Loader<Cursor> onCreateLoader(int arg0, Bundle arg1) {

        return null;
    }

    @Override
    public void onLoadFinished(Loader<Cursor> arg0, Cursor arg1) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onLoaderReset(Loader<Cursor> arg0) {
        // TODO Auto-generated method stub

    }

}

      

        
        
        
      

    

I've seen all the related questions suggesting to use support libraries, but what if someone doesn't want to use support libraries and is it recommended ?. I am using a separate Fragment instead of using it inside FragmentActivity