import org.holoeverywhere.widget.ArrayAdapter; //导入依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
    mDrawerListView = (ListView) inflater.inflate(
            R.layout.fragment_navigation_drawer, container, false);
    mDrawerListView.setOnItemClickListener(new android.widget.AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(android.widget.AdapterView<?> parent, View view, int position, long id) {
            selectItem(position);
        }
    });
    mDrawerListView.setAdapter(new ArrayAdapter<String>(
            getSupportActionBar().getThemedContext(),
            android.R.layout.simple_list_item_1,
            android.R.id.text1,
            new String[]{
                    getString(R.string.title_section1),
                    getString(R.string.title_section2),
                    getString(R.string.title_section3),
            }));
    mDrawerListView.setItemChecked(mCurrentSelectedPosition, true);
    return mDrawerListView;
}
 

import org.holoeverywhere.widget.ArrayAdapter; //导入依赖的package包/类
@Override
protected void onPostExecute(List<String> result) {			
	if (getActivity() == null)
		return;
	
	if(result != null)
		settings.edit().putString("klassen", new Gson().toJson(result)).commit();
	else
		result = new Gson().fromJson(settings.getString("klassen", null), new TypeToken<List<String>>(){}.getType());
	
	result.add(0, "Alle");
	
	klasse = settings.getString("klasse", "");
       klassen.setAdapter(new ArrayAdapter<String>(getActivity(), android.R.layout.simple_spinner_dropdown_item, result));
       for(int i=0; i < klassen.getAdapter().getCount(); i++) {
       	  if(klassen.getAdapter().getItem(i).toString().equals(klasse)){
       	    klassen.setSelection(i);
       	    break;
       	  }
       }
}
 

import org.holoeverywhere.widget.ArrayAdapter; //导入依赖的package包/类
@Override
public void refresh() {
    ArrayAdapter adapter;
    if ((adapter = (ArrayAdapter)this.getListAdapter()) != null) {
        adapter.notifyDataSetChanged();
    }
}
 

import org.holoeverywhere.widget.ArrayAdapter; //导入依赖的package包/类
private void refreshList() {
	ArrayAdapter adapter;
	if ((adapter = (ArrayAdapter) this.getListAdapter()) != null) {
		adapter.notifyDataSetChanged();
	}
}