ListView items are not marked when pressed

I'm implementing an Android activity. I a开发者_开发技巧m using a ListView in my application layout, and setting the views colors by setBackgroundResource in my inherited SimpleAdapter getView.

public class SpecialAdapter extends SimpleAdapter {

    public SpecialAdapter(Context context, List<HashMap<String, String>> items, int resource, String[] from, int[] to) {
        super(context, items, resource, from, to);
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

       View view = super.getView(position, convertView, parent);

       if (mSensorsStatus[position].equals(mSensorStatus[SENSOR_STATUS_ALERT])) {
          view.setBackgroundResource(R.color.red);
       }
       else if (mSensorsStatus[position].equals(mSensorStatus[SENSOR_STATUS_ARMED])) {
          view.setBackgroundResource(R.color.light_grey);
       }

       return view;
    }
}

My problem is that when I click one of the items, it is not colored in yellow/orange as it usually does (when removing the setBackgroundResource it works fine)

Some more info: I tried to set the background color by mListView.getChildAt(index).setBackgroundResource(R.color.red) instead of the getView implementation, and the result was the same.

appreciate your help

That is because you called setBackgroundResource() and set the background to a color. If you want list selection to work, either do not call setBackgroundResource(), or set the background resource to a suitable StateListDrawable that has the selector and all other necessary states.

A LayerList drawable could match your desired behaviour as described here: ListView item with list_selector_background as LayerList drawable