git.gumartinm.name Git - JavaForFun/blob

   1 /**
   2  * Copyright 2014 Gustavo Martin Morcuende
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package name.gumartinm.weather.information.notification;
  17
  18 import java.io.IOException;
  19 import java.net.MalformedURLException;
  20 import java.net.URISyntaxException;
  21 import java.net.URL;
  22 import java.text.DecimalFormat;
  23 import java.text.NumberFormat;
  24 import java.util.Locale;
  25
  26 import org.apache.http.client.ClientProtocolException;
  27
  28 import android.app.IntentService;
  29 import android.app.Notification;
  30 import android.app.PendingIntent;
  31 import android.content.Intent;
  32 import android.content.SharedPreferences;
  33 import android.graphics.Bitmap;
  34 import android.graphics.BitmapFactory;
  35 import android.net.http.AndroidHttpClient;
  36 import android.preference.PreferenceManager;
  37 import android.support.v4.app.NotificationCompat;
  38 import android.support.v4.app.NotificationManagerCompat;
  39 import android.support.v4.app.TaskStackBuilder;
  40 import android.util.Log;
  41 import android.widget.RemoteViews;
  42
  43 import com.fasterxml.jackson.core.JsonParseException;
  44 import name.gumartinm.weather.information.R;
  45 import name.gumartinm.weather.information.activity.WeatherTabsActivity;
  46 import name.gumartinm.weather.information.httpclient.CustomHTTPClient;
  47 import name.gumartinm.weather.information.model.DatabaseQueries;
  48 import name.gumartinm.weather.information.model.WeatherLocation;
  49 import name.gumartinm.weather.information.model.currentweather.Current;
  50 import name.gumartinm.weather.information.parser.JPOSCurrentParser;
  51 import name.gumartinm.weather.information.service.IconsList;
  52 import name.gumartinm.weather.information.service.ServiceCurrentParser;
  53
  54
  55 public class NotificationIntentService extends IntentService {
  56     private static final String TAG = "NotificationIntentService";
  57
  58
  59     public NotificationIntentService() {
  60         super("NIS-Thread");
  61     }
  62
  63     @Override
  64     protected void onHandleIntent(final Intent intent) {
  65         final DatabaseQueries query = new DatabaseQueries(this.getApplicationContext());
  66         final WeatherLocation weatherLocation = query.queryDataBase();
  67
  68         if (weatherLocation != null) {
  69             final ServiceCurrentParser weatherService = new ServiceCurrentParser(new JPOSCurrentParser());
  70             final CustomHTTPClient HTTPClient = new CustomHTTPClient(
  71                     AndroidHttpClient.newInstance("Android 4.3 WeatherInformation Agent"));
  72
  73             Current current = null;
  74             try {
  75                 current = this.doInBackgroundThrowable(weatherLocation, HTTPClient, weatherService);
  76
  77             } catch (final JsonParseException e) {
  78                 Log.e(TAG, "doInBackground exception: ", e);
  79             } catch (final ClientProtocolException e) {
  80                 Log.e(TAG, "doInBackground exception: ", e);
  81             } catch (final MalformedURLException e) {
  82                 Log.e(TAG, "doInBackground exception: ", e);
  83             } catch (final URISyntaxException e) {
  84                 Log.e(TAG, "doInBackground exception: ", e);
  85             } catch (final IOException e) {
  86                 // logger infrastructure swallows UnknownHostException :/
  87                 Log.e(TAG, "doInBackground exception: " + e.getMessage(), e);
  88             } finally {
  89                 HTTPClient.close();
  90             }
  91
  92             if (current != null) {
  93                 this.showNotification(current, weatherLocation);
  94             }
  95         }
  96     }
  97
  98     private Current doInBackgroundThrowable(final WeatherLocation weatherLocation,
  99             final CustomHTTPClient HTTPClient, final ServiceCurrentParser weatherService)
 100                     throws ClientProtocolException, MalformedURLException, URISyntaxException,
 101                     JsonParseException, IOException {
 102
 103         final String APIVersion = this.getResources().getString(R.string.api_version);
 104
 105         final String urlAPI = this.getResources().getString(R.string.uri_api_weather_today);
 106         final String url = weatherService.createURIAPICurrent(urlAPI, APIVersion,
 107                 weatherLocation.getLatitude(), weatherLocation.getLongitude());
 108         final String urlWithoutCache = url.concat("&time=" + System.currentTimeMillis());
 109         final String jsonData = HTTPClient.retrieveDataAsString(new URL(urlWithoutCache));
 110
 111         return weatherService.retrieveCurrentFromJPOS(jsonData);
 112     }
 113
 114     private interface UnitsConversor {
 115
 116         public double doConversion(final double value);
 117     }
 118
 119     private void showNotification(final Current current, final WeatherLocation weatherLocation) {
 120         final SharedPreferences sharedPreferences = PreferenceManager
 121                 .getDefaultSharedPreferences(this.getApplicationContext());
 122
 123                 // TODO: repeating the same code in Overview, Specific and Current!!!
 124                 // 1. Update units of measurement.
 125         // 1.1 Temperature
 126         String tempSymbol;
 127         UnitsConversor tempUnitsConversor;
 128         final String keyPreference = this.getApplicationContext().getString(R.string.weather_preferences_notifications_temperature_key);
 129         final String[] values = this.getResources().getStringArray(R.array.weather_preferences_temperature);
 130         final String unitsPreferenceValue = sharedPreferences.getString(
 131                 keyPreference, this.getString(R.string.weather_preferences_temperature_celsius));
 132         if (unitsPreferenceValue.equals(values[0])) {
 133                 tempSymbol = values[0];
 134                 tempUnitsConversor = new UnitsConversor(){
 135
 136                                 @Override
 137                                 public double doConversion(final double value) {
 138                                         return value - 273.15;
 139                                 }
 140
 141                 };
 142         } else if (unitsPreferenceValue.equals(values[1])) {
 143                 tempSymbol = values[1];
 144                 tempUnitsConversor = new UnitsConversor(){
 145
 146                                 @Override
 147                                 public double doConversion(final double value) {
 148                                         return (value * 1.8) - 459.67;
 149                                 }
 150
 151                 };
 152         } else {
 153                 tempSymbol = values[2];
 154                 tempUnitsConversor = new UnitsConversor(){
 155
 156                                 @Override
 157                                 public double doConversion(final double value) {
 158                                         return value;
 159                                 }
 160
 161                 };
 162         }
 163
 164
 165         // 2. Formatters
 166         final DecimalFormat tempFormatter = (DecimalFormat) NumberFormat.getNumberInstance(Locale.US);
 167         tempFormatter.applyPattern("#####.#####");
 168
 169
 170         // 3. Prepare data for RemoteViews.
 171         String tempMax = "";
 172         if (current.getMain().getTemp_max() != null) {
 173             double conversion = (Double) current.getMain().getTemp_max();
 174             conversion = tempUnitsConversor.doConversion(conversion);
 175             tempMax = tempFormatter.format(conversion) + tempSymbol;
 176         }
 177         String tempMin = "";
 178         if (current.getMain().getTemp_min() != null) {
 179             double conversion = (Double) current.getMain().getTemp_min();
 180             conversion = tempUnitsConversor.doConversion(conversion);
 181             tempMin = tempFormatter.format(conversion) + tempSymbol;
 182         }
 183         Bitmap picture;
 184         if ((current.getWeather().size() > 0)
 185                 && (current.getWeather().get(0).getIcon() != null)
 186                 && (IconsList.getIcon(current.getWeather().get(0).getIcon()) != null)) {
 187             final String icon = current.getWeather().get(0).getIcon();
 188             picture = BitmapFactory.decodeResource(this.getResources(), IconsList.getIcon(icon)
 189                     .getResourceDrawable());
 190         } else {
 191             picture = BitmapFactory.decodeResource(this.getResources(),
 192                     R.drawable.weather_severe_alert);
 193         }
 194         final String city = weatherLocation.getCity();
 195         final String country = weatherLocation.getCountry();
 196
 197         // 4. Insert data in RemoteViews.
 198         final RemoteViews remoteView = new RemoteViews(this.getApplicationContext().getPackageName(), R.layout.notification);
 199         remoteView.setImageViewBitmap(R.id.weather_notification_image, picture);
 200         remoteView.setTextViewText(R.id.weather_notification_temperature_max, tempMax);
 201         remoteView.setTextViewText(R.id.weather_notification_temperature_min, tempMin);
 202         remoteView.setTextViewText(R.id.weather_notification_city, city);
 203         remoteView.setTextViewText(R.id.weather_notification_country, country);
 204
 205         // 5. Activity launcher.
 206         final Intent resultIntent =  new Intent(this.getApplicationContext(), WeatherTabsActivity.class);
 207         // The PendingIntent to launch our activity if the user selects this notification
 208 //        final PendingIntent contentIntent = PendingIntent.getActivity(
 209 //                      this.getApplicationContext(), 0, resultIntent, PendingIntent.FLAG_UPDATE_CURRENT);
 210         // The stack builder object will contain an artificial back stack for the started Activity.
 211         // This ensures that navigating backward from the Activity leads out of
 212         // your application to the Home screen.
 213         final TaskStackBuilder stackBuilder = TaskStackBuilder.create(this.getApplicationContext());
 214         // Adds the back stack for the Intent (but not the Intent itself)
 215         stackBuilder.addParentStack(WeatherTabsActivity.class);
 216         // Adds the Intent that starts the Activity to the top of the stack
 217         stackBuilder.addNextIntent(resultIntent);
 218         final PendingIntent resultPendingIntent =
 219                         stackBuilder.getPendingIntent(
 220                     0,
 221                     PendingIntent.FLAG_UPDATE_CURRENT
 222                 );
 223
 224         final NotificationManagerCompat notificationManager =
 225                         NotificationManagerCompat.from(this.getApplicationContext());
 226
 227
 228         // 6. Create notification.
 229         final NotificationCompat.Builder notificationBuilder =
 230                         new NotificationCompat.Builder(this.getApplicationContext())
 231                         .setContent(remoteView)
 232                 .setSmallIcon(R.drawable.ic_launcher)
 233                 .setAutoCancel(true)
 234                 .setLocalOnly(true)
 235                 .setWhen(System.currentTimeMillis())
 236                 .setContentIntent(resultPendingIntent)
 237                 .setPriority(NotificationCompat.PRIORITY_DEFAULT);
 238
 239         final Notification notification = notificationBuilder.build();
 240         notification.flags |= Notification.FLAG_AUTO_CANCEL;
 241
 242         // Send the notification.
 243         // Sets an ID for the notification, so it can be updated (just in case)
 244         int notifyID = 1;
 245         notificationManager.notify(notifyID, notification);
 246     }
 247 }