git.gumartinm.name Git - JavaForFun/blob

   1 package de.example.exampletdd.fragment.overview;
   2
   3 import java.io.IOException;
   4 import java.text.DecimalFormat;
   5 import java.text.NumberFormat;
   6 import java.text.SimpleDateFormat;
   7 import java.util.ArrayList;
   8 import java.util.Calendar;
   9 import java.util.Date;
  10 import java.util.List;
  11 import java.util.Locale;
  12
  13 import android.content.BroadcastReceiver;
  14 import android.content.ComponentName;
  15 import android.content.Context;
  16 import android.content.Intent;
  17 import android.content.IntentFilter;
  18 import android.content.SharedPreferences;
  19 import android.graphics.Bitmap;
  20 import android.graphics.BitmapFactory;
  21 import android.os.Bundle;
  22 import android.os.Parcelable;
  23 import android.preference.PreferenceManager;
  24 import android.support.v4.app.DialogFragment;
  25 import android.support.v4.app.ListFragment;
  26 import android.support.v4.content.LocalBroadcastManager;
  27 import android.util.Log;
  28 import android.view.View;
  29 import android.widget.ListView;
  30 import de.example.exampletdd.R;
  31 import de.example.exampletdd.fragment.ErrorDialogFragment;
  32 import de.example.exampletdd.fragment.specific.WeatherInformationSpecificDataFragment;
  33 import de.example.exampletdd.model.forecastweather.ForecastWeatherData;
  34 import de.example.exampletdd.service.WeatherServicePersistenceFile;
  35
  36 public class WeatherInformationOverviewFragment extends ListFragment {
  37     private static final String TAG = "WeatherInformationOverviewFragment";
  38     private boolean mIsFahrenheit;
  39     private int mDayForecast;
  40     private WeatherServicePersistenceFile mWeatherServicePersistenceFile;
  41     private Parcelable mListState;
  42     private BroadcastReceiver mReceiver;
  43
  44     @Override
  45     public void onCreate(final Bundle savedInstanceState) {
  46         super.onCreate(savedInstanceState);
  47
  48         final SharedPreferences sharedPreferences = PreferenceManager
  49                 .getDefaultSharedPreferences(this.getActivity());
  50         final String keyPreference = this.getResources().getString(
  51                 R.string.weather_preferences_day_forecast_key);
  52         final String dayForecast = sharedPreferences.getString(keyPreference, "");
  53         this.mDayForecast = Integer.valueOf(dayForecast);
  54
  55         this.mWeatherServicePersistenceFile = new WeatherServicePersistenceFile(this.getActivity());
  56
  57         this.mReceiver = new BroadcastReceiver() {
  58
  59             @Override
  60             public void onReceive(final Context context, final Intent intent) {
  61                 // This method will be run in the main thread.
  62                 final String action = intent.getAction();
  63                 if (action.equals("de.example.exampletdd.UPDATEOVERVIEWWEATHER")) {
  64                     Log.i(TAG, "WeatherInformationOverviewFragment Update Weather Data");
  65                     final ForecastWeatherData forecastWeatherData =
  66                             WeatherInformationOverviewFragment.this.mWeatherServicePersistenceFile
  67                             .getForecastWeatherData();
  68                     if (forecastWeatherData != null) {
  69                         WeatherInformationOverviewFragment.this
  70                         .updateForecastWeatherData(forecastWeatherData);
  71                     }
  72
  73                 }
  74             }
  75         };
  76     }
  77
  78     @Override
  79     public void onActivityCreated(final Bundle savedInstanceState) {
  80         super.onActivityCreated(savedInstanceState);
  81
  82         final ListView listWeatherView = this.getListView();
  83         listWeatherView.setChoiceMode(ListView.CHOICE_MODE_NONE);
  84
  85         if (savedInstanceState != null) {
  86             // Restore state
  87             final ForecastWeatherData forecastWeatherData = (ForecastWeatherData) savedInstanceState
  88                     .getSerializable("ForecastWeatherData");
  89
  90             if (forecastWeatherData != null) {
  91                 try {
  92                     this.mWeatherServicePersistenceFile
  93                     .storeForecastWeatherData(forecastWeatherData);
  94                 } catch (final IOException e) {
  95                     final DialogFragment newFragment = ErrorDialogFragment
  96                             .newInstance(R.string.error_dialog_generic_error);
  97                     newFragment.show(this.getFragmentManager(), "errorDialog");
  98                 }
  99             }
 100
 101             this.mListState = savedInstanceState.getParcelable("ListState");
 102         }
 103
 104         this.setHasOptionsMenu(false);
 105
 106         final WeatherOverviewAdapter adapter = new WeatherOverviewAdapter(
 107                 this.getActivity(), R.layout.weather_main_entry_list);
 108
 109
 110         this.setEmptyText("No data available");
 111
 112         this.setListAdapter(adapter);
 113         this.setListShown(true);
 114         this.setListShownNoAnimation(true);
 115     }
 116
 117     @Override
 118     public void onResume() {
 119         super.onResume();
 120
 121         // 1. Register receiver.
 122         final IntentFilter filter = new IntentFilter();
 123         filter.addAction("de.example.exampletdd.UPDATEOVERVIEWWEATHER");
 124         LocalBroadcastManager.getInstance(this.getActivity()).registerReceiver(this.mReceiver, filter);
 125
 126         final SharedPreferences sharedPreferences = PreferenceManager
 127                 .getDefaultSharedPreferences(this.getActivity());
 128
 129         // 2. Update units of measurement.
 130         String keyPreference = this.getResources()
 131                 .getString(R.string.weather_preferences_units_key);
 132         final String unitsPreferenceValue = sharedPreferences.getString(keyPreference, "");
 133         final String celsius = this.getResources().getString(
 134                 R.string.weather_preferences_units_celsius);
 135         if (unitsPreferenceValue.equals(celsius)) {
 136             this.mIsFahrenheit = false;
 137         } else {
 138             this.mIsFahrenheit = true;
 139         }
 140
 141         // 3. Update number day forecast.
 142         keyPreference = this.getResources()
 143                 .getString(R.string.weather_preferences_day_forecast_key);
 144         final String dayForecast = sharedPreferences.getString(keyPreference, "");
 145         this.mDayForecast = Integer.valueOf(dayForecast);
 146
 147         // 4. Update forecast weather data on display.
 148         final ForecastWeatherData forecastWeatherData = this.mWeatherServicePersistenceFile
 149                 .getForecastWeatherData();
 150         if ((this.mListState != null) && (forecastWeatherData != null)) {
 151             this.updateForecastWeatherData(forecastWeatherData);
 152             this.getListView().onRestoreInstanceState(this.mListState);
 153         } else if (forecastWeatherData != null) {
 154             this.updateForecastWeatherData(forecastWeatherData);
 155         }
 156
 157     }
 158
 159     @Override
 160     public void onPause() {
 161         super.onPause();
 162         LocalBroadcastManager.getInstance(this.getActivity()).unregisterReceiver(this.mReceiver);
 163     }
 164
 165     @Override
 166     public void onSaveInstanceState(final Bundle savedInstanceState) {
 167
 168         // Save state
 169         final ForecastWeatherData forecastWeatherData = this.mWeatherServicePersistenceFile
 170                 .getForecastWeatherData();
 171
 172         if (forecastWeatherData != null) {
 173             savedInstanceState.putSerializable("ForecastWeatherData", forecastWeatherData);
 174         }
 175
 176         this.mListState = this.getListView().onSaveInstanceState();
 177         savedInstanceState.putParcelable("ListState", this.mListState);
 178
 179         super.onSaveInstanceState(savedInstanceState);
 180     }
 181
 182     @Override
 183     public void onListItemClick(final ListView l, final View v, final int position, final long id) {
 184         final WeatherInformationSpecificDataFragment fragment = (WeatherInformationSpecificDataFragment) this
 185                 .getFragmentManager().findFragmentById(R.id.weather_specific_data__fragment);
 186         if (fragment == null) {
 187             // handset layout
 188             final Intent intent = new Intent("de.example.exampletdd.WEATHERINFO")
 189             .setComponent(new ComponentName("de.example.exampletdd",
 190                     "de.example.exampletdd.WeatherInformationSpecificDataActivity"));
 191             intent.putExtra("CHOSEN_DAY", (int) id);
 192             WeatherInformationOverviewFragment.this.getActivity().startActivity(intent);
 193         } else {
 194             // tablet layout
 195             fragment.getWeatherByDay((int) id);
 196         }
 197     }
 198
 199     private void updateForecastWeatherData(final ForecastWeatherData forecastWeatherData) {
 200         final List<WeatherOverviewEntry> entries = new ArrayList<WeatherOverviewEntry>();
 201         final WeatherOverviewAdapter adapter = new WeatherOverviewAdapter(this.getActivity(),
 202                 R.layout.weather_main_entry_list);
 203
 204
 205         final DecimalFormat tempFormatter = (DecimalFormat) NumberFormat.getNumberInstance(Locale.US);
 206         tempFormatter.applyPattern("#####.##");
 207         final SimpleDateFormat dayNameFormatter = new SimpleDateFormat("EEE", Locale.US);
 208         final SimpleDateFormat monthAndDayNumberormatter = new SimpleDateFormat("MMM d", Locale.US);
 209         final double tempUnits = this.mIsFahrenheit ? 0 : 273.15;
 210         final String symbol = this.mIsFahrenheit ? "ºF" : "ºC";
 211
 212
 213         final Calendar calendar = Calendar.getInstance();
 214         int count = this.mDayForecast;
 215         for (final de.example.exampletdd.model.forecastweather.List forecast : forecastWeatherData
 216                 .getList()) {
 217
 218             Bitmap picture;
 219
 220             if ((forecast.getWeather().size() > 0) &&
 221                     (forecast.getWeather().get(0).getIcon() != null) &&
 222                     (IconsList.getIcon(forecast.getWeather().get(0).getIcon()) != null)) {
 223                 final String icon = forecast.getWeather().get(0).getIcon();
 224                 picture = BitmapFactory.decodeResource(this.getResources(), IconsList.getIcon(icon)
 225                         .getResourceDrawable());
 226             } else {
 227                 picture = BitmapFactory.decodeResource(this.getResources(),
 228                         R.drawable.weather_severe_alert);
 229             }
 230
 231             final Long forecastUNIXDate = (Long) forecast.getDt();
 232             calendar.setTimeInMillis(forecastUNIXDate * 1000L);
 233             final Date dayTime = calendar.getTime();
 234             final String dayTextName = dayNameFormatter.format(dayTime);
 235             final String monthAndDayNumberText = monthAndDayNumberormatter.format(dayTime);
 236
 237             Double maxTemp = null;
 238             if (forecast.getTemp().getMax() != null) {
 239                 maxTemp = (Double) forecast.getTemp().getMax();
 240                 maxTemp = maxTemp - tempUnits;
 241             }
 242
 243             Double minTemp = null;
 244             if (forecast.getTemp().getMin() != null) {
 245                 minTemp = (Double) forecast.getTemp().getMin();
 246                 minTemp = minTemp - tempUnits;
 247             }
 248
 249             if ((maxTemp != null) && (minTemp != null)) {
 250                 entries.add(new WeatherOverviewEntry(dayTextName, monthAndDayNumberText,
 251                         tempFormatter.format(maxTemp) + symbol, tempFormatter.format(minTemp) + symbol,
 252                         picture));
 253             }
 254
 255             count = count - 1;
 256             if (count == 0) {
 257                 break;
 258             }
 259         }
 260
 261         this.setListAdapter(null);
 262         adapter.addAll(entries);
 263         this.setListAdapter(adapter);
 264     }
 265 }