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