Try to call the listener from your listView directly
yourListView.setOnItemLongClickListener(new OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> arg0, View arg1,
int arg2, long arg3) {
// TODO Auto-generated method stub
Toast.makeText(MainActivity.this, "delete item in position : " + arg2, Toast.LENGTH_SHORT).show();
return false;
}
});