arrayadapter example in android

package de.vogella.android.listactivity;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;





public class MySimpleArrayAdapter extends ArrayAdapter<String> {
 private final Context context;
 private final String[] values;

 public MySimpleArrayAdapter(Context context, String[] values) {
  super(context, R.layout.rowlayout, values);
  this.context = context;
  this.values = values;
 }

 @Override
 public View getView(int position, View convertView, ViewGroup parent) {
  LayoutInflater inflater = (LayoutInflater) context
    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  View rowView = inflater.inflate(R.layout.rowlayout, parent, false);
  TextView textView = (TextView) rowView.findViewById(R.id.label);
  ImageView imageView = (ImageView) rowView.findViewById(R.id.icon);
  textView.setText(values[position]);
  // Change the icon for Windows and iPhone
  String s = values[position];
  if (s.startsWith("iPhone")) {
   imageView.setImageResource(R.drawable.no);
  } else {
   imageView.setImageResource(R.drawable.ok);
  }

  return rowView;
 }
}