@Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    reviewAdapter = new ReviewDataAdapter(this);
    reviewAdapter.open();

    // Get all reviews in descending order
    List<Review> reviews = reviewAdapter.getAllDesc();

    ReviewArrayAdapter reviewArrayAdapter = new ReviewArrayAdapter(this, reviews);
    setListAdapter(reviewArrayAdapter);
  }
 @Override
 protected void onPause() {
   reviewAdapter.close();
   super.onPause();
 }
 @Override
 protected void onResume() {
   reviewAdapter.open();
   super.onResume();
 }