use this way
lv = (ListView) findViewById(R.id.lista);
lv.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> a, View v, int position, long id) {
// get the Image from the clicked row
ImageView image = (ImageView)v.findViewByID(R.id.imageId);
......
}
});