private ListView lvItems;
...
...
...
        lvItems.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            public void onItemClick(AdapterView<?> parent, View itemClicked, int position, long id) {
                selectItem(position);
            }
        });
 
 
    private void selectItem(int pos) {
   //событие выбора строки
}