/*
* Copyright (c) 2012 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.sample.mobileassistant;
import com.google.api.client.extensions.android.http.AndroidHttp;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.sample.mobileassistant.shoppingassistant.Shoppingassistant;
import com.google.sample.mobileassistant.shoppingassistant.Shoppingassistant.Builder;
import com.google.sample.mobileassistant.shoppingassistant.Shoppingassistant.OfferEndpoint;
import com.google.sample.mobileassistant.shoppingassistant.Shoppingassistant.RecommendationEndpoint;
import com.google.sample.mobileassistant.shoppingassistant.model.Offer;
import com.google.sample.mobileassistant.shoppingassistant.model.OfferCollection;
import com.google.sample.mobileassistant.shoppingassistant.model.PlaceInfo;
import com.google.sample.mobileassistant.shoppingassistant.model.Recommendation;
import com.google.sample.mobileassistant.shoppingassistant.model.RecommendationCollection;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.Window;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
/**
* Activity used when the user "selected" a place or checked into a place.
*/
public class PlaceDetailsActivity extends Activity {
protected static PlaceInfo currentPlace;
ListView offersList;
ListView recommendationsList;
TextView placesNameLabel;
TextView offersListLabel;
TextView recommendationsListLabel;
/**
* Initializes the activity content, binds relevant widgets and starts asynchronously retrieving
* offers and recommendations.
*/
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
setContentView(R.layout.activity_single_place);
offersList = (ListView) findViewById(R.id.OffersList);
recommendationsList = (ListView) findViewById(R.id.RecommendationsList);
placesNameLabel = (TextView) findViewById(R.id.PlacesNameLabel);
offersListLabel = (TextView) findViewById(R.id.OffersListLabel);
recommendationsListLabel = (TextView) findViewById(R.id.RecommendationListLabel);
placesNameLabel.setText(currentPlace.getName());
retrieveOffers();
retrieveRecommendations();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_place_details, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int itemId = item.getItemId();
if (itemId == R.id.menu_refresh) {
retrieveOffers();
retrieveRecommendations();
return true;
} else {
return super.onOptionsItemSelected(item);
}
}
/**
* Retrieves offers asynchronously and updates relevant widgets
*/
void retrieveOffers() {
new ListOfOffersAsyncRertriever().execute(currentPlace);
}
/**
* Retrieves recommendations asynchronously and updates relevant widgets
*/
void retrieveRecommendations() {
new ListOfRecommendationsAsyncRetriever().execute(currentPlace);
}
/**
* AsyncTask for retrieving the list of offers and updating the corresponding ListView and label.
*/
private class ListOfOffersAsyncRertriever extends AsyncTask<PlaceInfo, Void, OfferCollection> {
private Logger log = Logger.getLogger(ListOfOffersAsyncRertriever.class.getName());
/**
* Updates UI to indicate that offers are being retrieved.
*/
@Override
protected void onPreExecute() {
offersListLabel.setText(R.string.retrievingOffers);
PlaceDetailsActivity.this.setProgressBarIndeterminateVisibility(true);
}
/**
* Updates UI to indicate that retrieval of the offers completed successfully or failed.
*/
@Override
protected void onPostExecute(OfferCollection result) {
PlaceDetailsActivity.this.setProgressBarIndeterminateVisibility(false);
if (result == null || result.getItems() == null || result.getItems().size() < 1) {
if (result == null) {
offersListLabel.setText(R.string.failedToRetrieveOffers);
} else {
offersListLabel.setText(R.string.noOffers);
}
offersList.setAdapter(null);
return;
}
offersListLabel.setText(R.string.offers);
ListAdapter offersListAdapter = createOfferListAdapter(result.getItems());
offersList.setAdapter(offersListAdapter);
}
/**
* Creates ListAdapter populated with offer information.
*
* @param offers the list of offers used to populate the adapter.
* @return an adapter populated with offer information.
*/
private ListAdapter createOfferListAdapter(List<Offer> offers) {
List<Map<String, Object>> data = new ArrayList<Map<String, Object>>();
for (Offer offer : offers) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("offerIcon", offer.getImageUrl());
map.put("offerTitle", offer.getTitle());
map.put("offerDetails", offer.getDescription());
data.add(map);
}
SimpleAdapter adapter = new SimpleAdapter(PlaceDetailsActivity.this, data,
R.layout.offer_item, new String[] {"offerIcon", "offerTitle", "offerDetails"},
new int[] {R.id.offer_Image, R.id.offer_name, R.id.offer_description});
adapter.setViewBinder(new ImageUrlViewBinder(R.id.offer_Image));
return adapter;
}
/**
* Retrieves the list of offers through appropriate CloudEndpoint.
*
* @param params the place for which to retrieve offers.
* @return collection of retrieved offers.
*/
@Override
protected OfferCollection doInBackground(PlaceInfo... params) {
PlaceInfo place = params[0];
if (place == null) {
return null;
}
Builder endpointBuilder = new Shoppingassistant.Builder(
AndroidHttp.newCompatibleTransport(), new JacksonFactory(),
CloudEndpointBuilderHelper.getRequestInitializer());
OfferEndpoint offerEndpoint =
CloudEndpointBuilderHelper.updateBuilder(endpointBuilder).build().offerEndpoint();
OfferCollection result;
try {
result = offerEndpoint.list(place.getPlaceId()).execute();
} catch (IOException e) {
String message = e.getMessage();
if (message == null) {
message = e.toString();
}
log.severe("Exception=" + message);
result = null;
}
return result;
}
}
/**
* AsyncTask for retrieving the list of recommendations and updating the corresponding ListView
* and label.
*/
private class ListOfRecommendationsAsyncRetriever
extends AsyncTask<PlaceInfo, Void, RecommendationCollection> {
private Logger log = Logger.getLogger(ListOfOffersAsyncRertriever.class.getName());
/**
* Updates UI to indicate that recommendations are being retrieved.
*/
@Override
protected void onPreExecute() {
recommendationsListLabel.setText(R.string.retrievingRecommendations);
PlaceDetailsActivity.this.setProgressBarIndeterminateVisibility(true);
}
/**
* Updates UI to indicate that retrieval of the offers completed successfully or failed.
*/
@Override
protected void onPostExecute(RecommendationCollection result) {
PlaceDetailsActivity.this.setProgressBarIndeterminateVisibility(false);
if (result == null || result.getItems() == null || result.getItems().size() < 1) {
if (result == null) {
recommendationsListLabel.setText(R.string.failedToRetrieveRecommendations);
} else {
recommendationsListLabel.setText(R.string.noRecommendations);
}
recommendationsList.setAdapter(null);
return;
}
recommendationsListLabel.setText(R.string.recommendations);
ListAdapter recommendationsListAdapter = createRecommendationsListAdapter(result.getItems());
recommendationsList.setAdapter(recommendationsListAdapter);
}
/**
* Creates ListAdapter populated with recommendation information.
*
* @param recommendations the list of recommendations used to populate the adapter.
* @return an adapter populated with recommendation information.
*/
private ListAdapter createRecommendationsListAdapter(List<Recommendation> recommendations) {
List<Map<String, Object>> data = new ArrayList<Map<String, Object>>();
for (Recommendation recommendation : recommendations) {
Map<String, Object> map = new HashMap<String, Object>();
map.put("productImage", recommendation.getImageUrl());
map.put("recommendationTitle", recommendation.getTitle());
map.put("recommendationDetails", recommendation.getDescription());
data.add(map);
}
SimpleAdapter adapter = new SimpleAdapter(PlaceDetailsActivity.this, data,
R.layout.offer_item,
new String[] {"productImage", "recommendationTitle", "recommendationDetails"},
new int[] {R.id.offer_Image, R.id.offer_name, R.id.offer_description});
adapter.setViewBinder(new ImageUrlViewBinder(R.id.offer_Image));
return adapter;
}
/**
* Retrieves the list of recommendations through appropriate CloudEndpoint.
*
* @param params the place for which to retrieve recommendations.
* @return collection of retrieved recommendations.
*/
@Override
protected RecommendationCollection doInBackground(PlaceInfo... params) {
PlaceInfo place = params[0];
if (place == null) {
return null;
}
Builder endpointBuilder = new Shoppingassistant.Builder(
AndroidHttp.newCompatibleTransport(), new JacksonFactory(),
CloudEndpointBuilderHelper.getRequestInitializer());
RecommendationEndpoint recommendationEndpoint =
CloudEndpointBuilderHelper.updateBuilder(endpointBuilder)
.build().recommendationEndpoint();
RecommendationCollection result;
try {
result = recommendationEndpoint.list(place.getPlaceId()).execute();
} catch (IOException e) {
String message = e.getMessage();
if (message == null) {
message = e.toString();
}
log.severe("Exception=" + message);
result = null;
}
return result;
}
}
}
