/**
   * Display the acronym expansions to the user.
   *
   * @param results List of acronym expansions to display.
   */
  public void displayResults(List<AcronymExpansion> results, String errorMessage) {
    Log.d(TAG, "results = " + results);
    if (results == null || results.size() == 0) Utils.showToast(this, errorMessage);
    else {
      Log.d(TAG, "displayResults() with number of acronyms = " + results.size());

      // Add the results to the Adapter and notify changes.
      mAdapter.clear();
      mAdapter.addAll(results);
      mAdapter.notifyDataSetChanged();
    }
  }
 /** Reset the display prior to attempting to expand a new acronym. */
 private void resetDisplay() {
   Utils.hideKeyboard(this, mEditText.getWindowToken());
   mAdapter.clear();
   mAdapter.notifyDataSetChanged();
 }