android - 戻るボタンが押されると、カーソルローダーが再起動する必要があります

Question

listFragment があり、リストの項目がクリックされると、新しいアクティビティが開始されます。戻るボタンを押すと、リストが再び表示されます。カーソルローダーを使用しているので、戻るボタンが押されたときにカーソルローダーを更新する簡単な方法があるかどうかを知りたいです。これは、新しいアクティビティによってリストの内容が変更されるためです。

編集：

public class ListWordFragment extends SherlockListFragment implements LoaderManager.LoaderCallbacks<Cursor> {

    private static String TAG = ListWordFragment.class.getSimpleName();
    private CursorLoader cursorLoader;

    // Loader
    private static final int URL_LOADER = 0;
    private SimpleCursorAdapter adapter;
    public static LoaderManager mLoaderManager;

    // ActionBar
    private AutoCompleteTextView autoCompView;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_list_words, null);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);

        ListView list = getListView();


        String[] from = new String[] { Word.NAME, Word.TYPE, Word.TRANSLATE };
        int[] to = new int[] { R.id.textView_word, R.id.textView_type,
                R.id.textView_translate };

        adapter = new ListWordAdapter(getSherlockActivity(),
                R.layout.row_list_words, null, from, to, 0);
        setListAdapter(adapter);

        mLoaderManager = getLoaderManager();
        mLoaderManager.initLoader(URL_LOADER, null, this);

    }



    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        super.onListItemClick(l, v, position, id);

        fillRow(l, id, position, false);

    }

    private void fillRow(ListView l, long ide, int position, boolean firstCall) {

        Cursor cursor = getActivity().getContentResolver().query(
                Uri.withAppendedPath(WordListProvider.WORDS_CONTENT_URI,
                        String.valueOf(ide)), null, null, null, null);

        if(cursor.moveToFirst()){

        String id = cursor.getString(cursor.getColumnIndex(Word.ID));
        String name = cursor.getString(cursor.getColumnIndex(Word.NAME));
        String type = cursor.getString(cursor.getColumnIndex(Word.TYPE));
        String translate = cursor.getString(cursor
                .getColumnIndex(Word.TRANSLATE));
        String example = cursor.getString(cursor.getColumnIndex(Word.EXAMPLE));
        String note = cursor.getString(cursor.getColumnIndex(Word.NOTE));

        // Master/Detail
        if ((getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE)
                && (getResources().getString(R.string.selected_configuration)
                        .equals(Constants.CONFIGURATION_LARGE))) {

            WordDetailFragment frag = (WordDetailFragment) getFragmentManager()
                    .findFragmentById(R.id.word_detail_fragment);

            if (frag != null) {
                frag.setId(id);
                frag.setName(name);
                frag.setType(type);
                frag.setTranslate(translate);
                frag.setExample(example);
                frag.setNote(note);
            }

        } else if (firstCall) {
            // Do nothing

        } else {

            Intent i = new Intent(getActivity().getApplicationContext(),
                    WordDetailActivity.class);

            i.putExtra(Word.ID, id);
            i.putExtra(Word.NAME, name);
            i.putExtra(Word.TYPE, type);
            i.putExtra(Word.TRANSLATE, translate);
            i.putExtra(Word.EXAMPLE, example);
            i.putExtra(Word.NOTE, note);

            startActivity(i);
        }
        cursor.close();
        }

    }

    public void onWordSaved() {
        getLoaderManager().restartLoader(URL_LOADER, null, this);    
    }

    @Override
    public Loader<Cursor> onCreateLoader(int loaderID, Bundle bundle) {
        String[] projection = { Word.ID, Word.NAME, Word.TYPE, Word.TRANSLATE,
                Word.EXAMPLE, Word.NOTE };

        /* Takes action based on the ID of the Loader that's being created */

        switch (loaderID) {
        case URL_LOADER:

            // Returns a new CursorLoader
            cursorLoader = new CursorLoader(getSherlockActivity(), // Parent
                                                                    // activity
                    // context
                    WordListProvider.WORDS_CONTENT_URI, // Table to query
                    projection, // Projection to return
                    null, // No selection clause
                    null, // No selection arguments
                    null // Default sort order
            );
            return cursorLoader;
        default:
            // An invalid id was passed in
            return null;
        }
    }


    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
        adapter.swapCursor(cursor);
    }


    @Override
    public void onLoaderReset(Loader<Cursor> loader) {   
        adapter.swapCursor(null);
    }


}