title: Alternate item colors in a ListView
body: <p>I'm trying to change the item colors of a listview in android, but I can't make it work. I want the colors to alternate... I've made my own adapter and inside the getView method I changed the color before returning the list view but it doesn't work I don't know why...</p>
  
  <p>Here is my code: </p>
  
  <pre><code>public class EventoAdapter extends ArrayAdapter&lt;Evento&gt;{
      Context context;
      int layoutResourceId;
      ArrayList&lt;Evento&gt; evento = null;
  
  
  public EventoAdapter(Context context, int textViewResourceId,
          ArrayList&lt;Evento&gt; objects) {
      super(context, textViewResourceId, objects);
      // TODO Auto-generated constructor stub
  
      this.layoutResourceId = textViewResourceId;
      this.context = context;
      this.evento = objects;
  
  }
  
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
      // TODO Auto-generated method stub
      View row = convertView;
      EventoHolder holder = null;
  
      if(row == null){
          LayoutInflater inflater = ((Activity)context).getLayoutInflater();
          row = inflater.inflate(layoutResourceId, parent, false);
  
          holder = new EventoHolder();
          holder.nombre = (TextView)row.findViewById(R.id.nombreEvento);
          holder.total = (TextView)row.findViewById(R.id.totalEvento);  
          holder.moneda = (TextView)row.findViewById(R.id.moneda);
          holder.fecha = (TextView)row.findViewById(R.id.fecha);
          row.setTag(holder);
  
      }else{
          holder = (EventoHolder)row.getTag();
      }
  
  
      Evento ev = evento.get(position);
  
      holder.nombre.setText(ev.getNombre());
      holder.total.setText(Integer.toString(ev.getTotal()));
      holder.moneda.setText("$");
      holder.fecha.setText("20/12/11");
  
  
  
      if(position%2==0){
          row.setBackgroundColor(R.color.colorPar);
      }else{
          row.setBackgroundColor(R.color.colorImpar);
      }
  
      return row;
  }
  
  
  
  static class EventoHolder{
      TextView nombre;
      TextView total;
      TextView moneda;
      TextView fecha;
  }
  }
  </code></pre>
  
  <p>Of course I have defined the colorPar and colorImpar inside my own colors.xml resource.</p>
  
  <p>Any Idea why this is not working??</p>
  
  <p>Thanks!</p>