/**
* 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();
}
}
/** Initiate the synchronous acronym lookup when the user presses the "Look Up" button. */
public void expandAcronym(View v) {
// Get the acronym entered by the user and convert to so it's
// consistent with what we get back from the Acronym web
// service.
final String acronym = mEditText.getText().toString().trim().toUpperCase(Locale.ENGLISH);
if (acronym.isEmpty()) Utils.showToast(this, "no acronym provided");
else {
// Reset the display for the next acronym expansion.
resetDisplay();
// Expand the acronym.
getOps().expandAcronym(acronym);
}
}
/**
* Implement the AIDL WeatherRequest expandWeather() method, which forwards to DownloadUtils
* getResults() to obtain the results from the Weather Web service and then sends the
* results back to the Activity via a callback.
*/
@Override
public void getCurrentWeather(String weather, vandy.mooc.aidl.WeatherResults callback)
throws RemoteException {
// Call the Weather Web service to get the list of
// possible expansions of the designated weather.
try {
WeatherData weatherResults = Utils.getResults(weather);
if (weatherResults != null) {
Log.d(TAG, "Results for weather: " + weather);
callback.sendResults(weatherResults);
} else {
Log.d(TAG, "No result for " + weather + " found");
callback.sendError("No result for " + weather + " found");
}
// Invoke a one-way callback to send list of weather
// expansions back to the WeatherActivity.
} catch (IllegalArgumentException e) {
Log.d(TAG, "Error on getting " + weather + ": " + e.getMessage());
callback.sendError(e.getMessage());
}
}
/** Reset the display prior to attempting to expand a new acronym. */
private void resetDisplay() {
Utils.hideKeyboard(this, mEditText.getWindowToken());
mAdapter.clear();
mAdapter.notifyDataSetChanged();
}
