git.gumartinm.name Git - JavaForFun/blob

   1 package name.gumartinm.weather.information.widget.service;
   2
   3 import android.app.IntentService;
   4 import android.app.PendingIntent;
   5 import android.appwidget.AppWidgetManager;
   6 import android.content.Context;
   7 import android.content.Intent;
   8 import android.graphics.Bitmap;
   9 import android.graphics.BitmapFactory;
  10 import android.net.Uri;
  11 import android.net.http.AndroidHttpClient;
  12 import android.support.v4.app.TaskStackBuilder;
  13 import android.util.Log;
  14 import android.view.View;
  15 import android.widget.RemoteViews;
  16
  17 import com.fasterxml.jackson.core.JsonParseException;
  18 import name.gumartinm.weather.information.R;
  19 import name.gumartinm.weather.information.httpclient.CustomHTTPClient;
  20 import name.gumartinm.weather.information.model.DatabaseQueries;
  21 import name.gumartinm.weather.information.model.WeatherLocation;
  22 import name.gumartinm.weather.information.model.currentweather.Current;
  23 import name.gumartinm.weather.information.parser.JPOSCurrentParser;
  24 import name.gumartinm.weather.information.service.IconsList;
  25 import name.gumartinm.weather.information.service.PermanentStorage;
  26 import name.gumartinm.weather.information.service.ServiceCurrentParser;
  27 import name.gumartinm.weather.information.widget.WidgetConfigure;
  28
  29 import org.apache.http.client.ClientProtocolException;
  30
  31 import java.io.IOException;
  32 import java.net.MalformedURLException;
  33 import java.net.URISyntaxException;
  34 import java.net.URL;
  35 import java.text.DecimalFormat;
  36 import java.text.NumberFormat;
  37 import java.util.Date;
  38 import java.util.Locale;
  39
  40 public class WidgetIntentService extends IntentService {
  41         private static final String TAG = "WidgetIntentService";
  42     private static final long UPDATE_TIME_RATE = 86400000L;
  43
  44         public WidgetIntentService() {
  45                 super("WIS-Thread");
  46         }
  47
  48         @Override
  49         protected void onHandleIntent(final Intent intent) {
  50                 Log.i(TAG, "onHandleIntent");
  51                 final int appWidgetId = intent.getIntExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
  52                 final boolean isRefreshAppWidget = intent.getBooleanExtra("refreshAppWidget", false);
  53
  54                 if (appWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID) {
  55                         // Nothing to do. Something went wrong. Show error.
  56                         return;
  57                 }
  58
  59
  60                 final DatabaseQueries query = new DatabaseQueries(this.getApplicationContext());
  61                 final WeatherLocation weatherLocation = query.queryDataBase();
  62
  63                 if (weatherLocation == null) {
  64                         // Nothing to do. Show error.
  65                         final RemoteViews view = this.makeErrorView(appWidgetId);
  66                         this.updateWidget(view, appWidgetId);
  67                         return;
  68                 }
  69
  70         // TODO: improve this code. Too tired right now...
  71                 if (!isRefreshAppWidget) {
  72             RemoteViews view;
  73
  74             final PermanentStorage store = new PermanentStorage(this.getApplicationContext());
  75             final Current current = store.getWidgetCurrentData(appWidgetId);
  76             if (current != null) {
  77                 // Update UI.
  78                 view = this.makeView(current, weatherLocation, appWidgetId);
  79             } else {
  80                 // Show error.
  81                 view = this.makeErrorView(appWidgetId);
  82             }
  83             this.updateWidget(view, appWidgetId);
  84                 } else {
  85             RemoteViews view;
  86
  87             final Current current = this.getRemoteCurrent(weatherLocation);
  88             if (current != null) {
  89                 // Update UI.
  90                 view = this.makeView(current, weatherLocation, appWidgetId);
  91
  92                 final PermanentStorage store = new PermanentStorage(this.getApplicationContext());
  93                 store.saveWidgetCurrentData(current, appWidgetId);
  94             } else {
  95                 // Show error.
  96                 view = this.makeErrorView(appWidgetId);
  97             }
  98             this.updateWidget(view, appWidgetId);
  99                 }
 100         }
 101
 102     public static void deleteWidgetCurrentData(final Context context, final int appWidgetId) {
 103         final PermanentStorage store = new PermanentStorage(context.getApplicationContext());
 104
 105         store.removeWidgetCurrentData(appWidgetId);
 106     }
 107
 108         private Current getRemoteCurrent(final WeatherLocation weatherLocation) {
 109
 110                 final ServiceCurrentParser weatherService = new ServiceCurrentParser(new JPOSCurrentParser());
 111                 final CustomHTTPClient HTTPClient = new CustomHTTPClient(
 112                                 AndroidHttpClient.newInstance("Android 4.3 WeatherInformation Agent"));
 113
 114                 try {
 115                         return this.getRemoteCurrentThrowable(weatherLocation, HTTPClient, weatherService);
 116
 117                 } catch (final JsonParseException e) {
 118                         Log.e(TAG, "doInBackground exception: ", e);
 119                 } catch (final ClientProtocolException e) {
 120                         Log.e(TAG, "doInBackground exception: ", e);
 121                 } catch (final MalformedURLException e) {
 122                         Log.e(TAG, "doInBackground exception: ", e);
 123                 } catch (final URISyntaxException e) {
 124                         Log.e(TAG, "doInBackground exception: ", e);
 125                 } catch (final IOException e) {
 126                         // logger infrastructure swallows UnknownHostException :/
 127                         Log.e(TAG, "doInBackground exception: " + e.getMessage(), e);
 128                 } finally {
 129                         HTTPClient.close();
 130                 }
 131
 132                 return null;
 133         }
 134
 135         private Current getRemoteCurrentThrowable(final WeatherLocation weatherLocation,
 136                         final CustomHTTPClient HTTPClient, final ServiceCurrentParser weatherService)
 137                                         throws ClientProtocolException, MalformedURLException, URISyntaxException,
 138                                         JsonParseException, IOException {
 139
 140                 final String APIVersion = this.getResources().getString(R.string.api_version);
 141
 142                 final String urlAPI = this.getResources().getString(R.string.uri_api_weather_today);
 143                 final String url = weatherService.createURIAPICurrent(urlAPI, APIVersion,
 144                                 weatherLocation.getLatitude(), weatherLocation.getLongitude());
 145                 final String urlWithoutCache = url.concat("&time=" + System.currentTimeMillis());
 146                 final String jsonData = HTTPClient.retrieveDataAsString(new URL(urlWithoutCache));
 147
 148                 return weatherService.retrieveCurrentFromJPOS(jsonData);
 149         }
 150
 151     private interface UnitsConversor {
 152
 153         public double doConversion(final double value);
 154     }
 155
 156         private RemoteViews makeView(final Current current, final WeatherLocation weatherLocation, final int appWidgetId) {
 157
 158                 // TODO: repeating the same code in Overview, Specific and Current!!!
 159                 // 1. Update units of measurement.
 160
 161         UnitsConversor tempUnitsConversor;
 162         String keyPreference = this.getApplicationContext().getString(R.string.widget_preferences_temperature_units_key);
 163         String realKeyPreference = keyPreference + "_" + appWidgetId;
 164         // What was saved to permanent storage (or default values if it is the first time)
 165         final int tempValue = this.getSharedPreferences("WIDGET_PREFERENCES", Context.MODE_PRIVATE).getInt(realKeyPreference, 0);
 166         final String tempSymbol = this.getResources().getStringArray(R.array.weather_preferences_temperature)[tempValue];
 167         if (tempValue == 0) {
 168                 tempUnitsConversor = new UnitsConversor(){
 169
 170                                 @Override
 171                                 public double doConversion(final double value) {
 172                                         return value - 273.15;
 173                                 }
 174
 175                 };
 176         } else if (tempValue == 1) {
 177                 tempUnitsConversor = new UnitsConversor(){
 178
 179                                 @Override
 180                                 public double doConversion(final double value) {
 181                                         return (value * 1.8) - 459.67;
 182                                 }
 183
 184                 };
 185         } else {
 186                 tempUnitsConversor = new UnitsConversor(){
 187
 188                                 @Override
 189                                 public double doConversion(final double value) {
 190                                         return value;
 191                                 }
 192
 193                 };
 194         }
 195
 196
 197         // 2. Update country.
 198         keyPreference = this.getApplicationContext().getString(R.string.widget_preferences_country_switch_key);
 199         realKeyPreference = keyPreference + "_" + appWidgetId;
 200         // What was saved to permanent storage (or default values if it is the first time)
 201         final boolean isCountry = this.getSharedPreferences("WIDGET_PREFERENCES", Context.MODE_PRIVATE)
 202                 .getBoolean(realKeyPreference, false);
 203
 204
 205                 // 3. Formatters
 206                 final DecimalFormat tempFormatter = (DecimalFormat) NumberFormat.getNumberInstance(Locale.US);
 207                 tempFormatter.applyPattern("#####.#####");
 208
 209
 210                 // 4. Prepare data for RemoteViews.
 211                 String tempMax = "";
 212                 if (current.getMain().getTemp_max() != null) {
 213                         double conversion = (Double) current.getMain().getTemp_max();
 214                         conversion = tempUnitsConversor.doConversion(conversion);
 215                         tempMax = tempFormatter.format(conversion) + tempSymbol;
 216                 }
 217                 String tempMin = "";
 218                 if (current.getMain().getTemp_min() != null) {
 219                         double conversion = (Double) current.getMain().getTemp_min();
 220                         conversion = tempUnitsConversor.doConversion(conversion);
 221                         tempMin = tempFormatter.format(conversion) + tempSymbol;
 222                 }
 223                 Bitmap picture;
 224                 if ((current.getWeather().size() > 0)
 225                                 && (current.getWeather().get(0).getIcon() != null)
 226                                 && (IconsList.getIcon(current.getWeather().get(0).getIcon()) != null)) {
 227                         final String icon = current.getWeather().get(0).getIcon();
 228                         picture = BitmapFactory.decodeResource(this.getResources(), IconsList.getIcon(icon)
 229                                         .getResourceDrawable());
 230                 } else {
 231                         picture = BitmapFactory.decodeResource(this.getResources(),
 232                                         R.drawable.weather_severe_alert);
 233                 }
 234                 final String city = weatherLocation.getCity();
 235                 final String country = weatherLocation.getCountry();
 236
 237                 // 5. Insert data in RemoteViews.
 238                 final RemoteViews remoteView = new RemoteViews(this.getApplicationContext().getPackageName(), R.layout.appwidget);
 239                 remoteView.setImageViewBitmap(R.id.weather_appwidget_image, picture);
 240                 remoteView.setTextViewText(R.id.weather_appwidget_temperature_max, tempMax);
 241                 remoteView.setTextViewText(R.id.weather_appwidget_temperature_min, tempMin);
 242                 remoteView.setTextViewText(R.id.weather_appwidget_city, city);
 243         if (!isCountry) {
 244             remoteView.setViewVisibility(R.id.weather_appwidget_country, View.GONE);
 245         } else {
 246             // TODO: It is as if Android had a view cache. If I did not set VISIBLE value,
 247             // the country field would be gone forever... :/
 248             remoteView.setViewVisibility(R.id.weather_appwidget_country, View.VISIBLE);
 249             remoteView.setTextViewText(R.id.weather_appwidget_country, country);
 250         }
 251
 252
 253                 // 6. Activity launcher.
 254                 final Intent resultIntent =  new Intent(this.getApplicationContext(), WidgetConfigure.class);
 255                 resultIntent.putExtra("actionFromUser", true);
 256                 resultIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
 257     //    resultIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK );
 258                 // From: http://stackoverflow.com/questions/4011178/multiple-instances-of-widget-only-updating-last-widget
 259                 final Uri data = Uri.withAppendedPath(Uri.parse("PAIN" + "://widget/id/") ,String.valueOf(appWidgetId));
 260                 resultIntent.setData(data);
 261
 262                 final TaskStackBuilder stackBuilder = TaskStackBuilder.create(this.getApplicationContext());
 263                 // Adds the back stack for the Intent (but not the Intent itself)
 264                 stackBuilder.addParentStack(WidgetConfigure.class);
 265                 // Adds the Intent that starts the Activity to the top of the stack
 266                 stackBuilder.addNextIntent(resultIntent);
 267                 final PendingIntent resultPendingIntent =
 268                                 stackBuilder.getPendingIntent(
 269                                                 0,
 270                                                 PendingIntent.FLAG_UPDATE_CURRENT
 271                                                 );
 272                 remoteView.setOnClickPendingIntent(R.id.weather_appwidget, resultPendingIntent);
 273 //        final PendingIntent resultPendingIntent = PendingIntent.getActivity(
 274 //                this.getApplicationContext(),
 275 //                0,
 276 //                resultIntent,
 277 //                PendingIntent.FLAG_UPDATE_CURRENT);
 278 //        remoteView.setOnClickPendingIntent(R.id.weather_appwidget, resultPendingIntent);
 279
 280                 return remoteView;
 281         }
 282
 283         private RemoteViews makeErrorView(final int appWidgetId) {
 284                 final RemoteViews remoteView = new RemoteViews(this.getApplicationContext().getPackageName(), R.layout.appwidget_error);
 285
 286                 // 6. Activity launcher.
 287                 final Intent resultIntent =  new Intent(this.getApplicationContext(), WidgetConfigure.class);
 288                 resultIntent.putExtra("actionFromUser", true);
 289                 resultIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
 290 //        resultIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_MULTIPLE_TASK );
 291                 // From: http://stackoverflow.com/questions/4011178/multiple-instances-of-widget-only-updating-last-widget
 292                 final Uri data = Uri.withAppendedPath(Uri.parse("PAIN" + "://widget/id/") ,String.valueOf(appWidgetId));
 293                 resultIntent.setData(data);
 294
 295                 final TaskStackBuilder stackBuilder = TaskStackBuilder.create(this.getApplicationContext());
 296                 // Adds the back stack for the Intent (but not the Intent itself)
 297                 stackBuilder.addParentStack(WidgetConfigure.class);
 298                 // Adds the Intent that starts the Activity to the top of the stack
 299                 stackBuilder.addNextIntent(resultIntent);
 300                 final PendingIntent resultPendingIntent =
 301                                 stackBuilder.getPendingIntent(
 302                                                 0,
 303                                                 PendingIntent.FLAG_UPDATE_CURRENT
 304                                                 );
 305         remoteView.setOnClickPendingIntent(R.id.weather_appwidget_error, resultPendingIntent);
 306 //        final PendingIntent resultPendingIntent = PendingIntent.getActivity(
 307 //                this.getApplicationContext(),
 308 //                0,
 309 //                resultIntent,
 310 //                PendingIntent.FLAG_UPDATE_CURRENT);
 311 //              remoteView.setOnClickPendingIntent(R.id.weather_appwidget_error, resultPendingIntent);
 312
 313                 return remoteView;
 314         }
 315
 316         private void updateWidget(final RemoteViews remoteView, final int appWidgetId) {
 317
 318                 final AppWidgetManager manager = AppWidgetManager.getInstance(this.getApplicationContext());
 319                 manager.updateAppWidget(appWidgetId, remoteView);
 320         }
 321
 322 //      private void updateWidgets(final RemoteViews remoteView) {
 323 //
 324 //              final ComponentName widgets = new ComponentName(this.getApplicationContext(), WidgetProvider.class);
 325 //              final AppWidgetManager manager = AppWidgetManager.getInstance(this.getApplicationContext());
 326 //              manager.updateAppWidget(widgets, remoteView);
 327 //      }
 328 }