git.gumartinm.name Git - JavaForFun/blob

   1 package de.example.exampletdd.fragment.specific;
   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.Collection;
   9 import java.util.Date;
  10 import java.util.List;
  11 import java.util.Locale;
  12
  13 import android.app.DialogFragment;
  14 import android.app.Fragment;
  15 import android.content.SharedPreferences;
  16 import android.graphics.Bitmap;
  17 import android.graphics.BitmapFactory;
  18 import android.os.Bundle;
  19 import android.preference.PreferenceManager;
  20 import android.view.LayoutInflater;
  21 import android.view.View;
  22 import android.view.ViewGroup;
  23 import android.widget.ImageView;
  24 import android.widget.ListView;
  25 import de.example.exampletdd.R;
  26 import de.example.exampletdd.activityinterface.GetWeather;
  27 import de.example.exampletdd.fragment.ErrorDialogFragment;
  28 import de.example.exampletdd.model.WeatherData;
  29 import de.example.exampletdd.service.WeatherServicePersistenceFile;
  30
  31 public class WeatherInformationSpecificDataFragment extends Fragment implements GetWeather {
  32     private boolean mIsFahrenheit;
  33     private String mLanguage;
  34     private WeatherServicePersistenceFile mWeatherServicePersistenceFile;
  35
  36     @Override
  37     public void onCreate(final Bundle savedInstanceState) {
  38         super.onCreate(savedInstanceState);
  39
  40         this.mWeatherServicePersistenceFile = new WeatherServicePersistenceFile(
  41                 this.getActivity());
  42
  43         final SharedPreferences sharedPreferences = PreferenceManager
  44                 .getDefaultSharedPreferences(this.getActivity());
  45         final String keyPreference = this.getResources().getString(
  46                 R.string.weather_preferences_language_key);
  47         this.mLanguage = sharedPreferences.getString(
  48                 keyPreference, "");
  49     }
  50
  51     @Override
  52     public View onCreateView(final LayoutInflater inflater,
  53             final ViewGroup container, final Bundle savedInstanceState) {
  54         final View rootView = inflater.inflate(R.layout.weather_data_list,
  55                 container, false);
  56
  57         return rootView;
  58     }
  59
  60     @Override
  61     public void onActivityCreated(final Bundle savedInstanceState) {
  62         super.onActivityCreated(savedInstanceState);
  63
  64         final ListView listWeatherView = (ListView) this.getActivity().findViewById(
  65                 R.id.weather_data_list_view);
  66
  67         final WeatherSpecificDataAdapter adapter = new WeatherSpecificDataAdapter(this.getActivity(),
  68                 R.layout.weather_data_entry_list);
  69
  70         final Collection<WeatherSpecificDataEntry> entries = this.createEmptyEntriesList();
  71
  72         adapter.addAll(entries);
  73         listWeatherView.setAdapter(adapter);
  74
  75         if (savedInstanceState != null) {
  76             // Restore state
  77             final WeatherData weatherData = (WeatherData) savedInstanceState
  78                     .getSerializable("weatherData");
  79             try {
  80                 this.mWeatherServicePersistenceFile.storeWeatherData(weatherData);
  81             } catch (final IOException e) {
  82                 final DialogFragment newFragment = ErrorDialogFragment
  83                         .newInstance(R.string.error_dialog_generic_error);
  84                 newFragment.show(this.getFragmentManager(), "errorDialog");
  85             }
  86         }
  87     }
  88
  89     @Override
  90     public void onSaveInstanceState(final Bundle savedInstanceState) {
  91
  92         // Save state
  93         final WeatherData weatherData = this.mWeatherServicePersistenceFile.getWeatherData();
  94
  95
  96         if (weatherData != null) {
  97             savedInstanceState.putSerializable("weatherData", weatherData);
  98         }
  99
 100         super.onSaveInstanceState(savedInstanceState);
 101     }
 102
 103     @Override
 104     public void getWeather() {
 105         final WeatherData weatherData = this.mWeatherServicePersistenceFile.getWeatherData();
 106
 107         if (weatherData != null) {
 108             this.updateWeatherData(weatherData);
 109         }
 110     }
 111
 112     public void updateWeatherData(final WeatherData weatherData) {
 113         final DecimalFormat tempFormatter = (DecimalFormat) NumberFormat.getNumberInstance(Locale.getDefault());
 114         tempFormatter.applyPattern("#####.#####");
 115         final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss Z", Locale.getDefault());
 116
 117         final double tempUnits = this.mIsFahrenheit ? 0 : 273.15;
 118
 119         final List<WeatherSpecificDataEntry> entries = this.createEmptyEntriesList();
 120
 121         final ListView listWeatherView = (ListView) this.getActivity().findViewById(
 122                 R.id.weather_data_list_view);
 123
 124         final WeatherSpecificDataAdapter adapter = new WeatherSpecificDataAdapter(this.getActivity(),
 125                 R.layout.weather_data_entry_list);
 126
 127         if (weatherData.getWeather() != null) {
 128             entries.set(0, new WeatherSpecificDataEntry(this.getString(R.string.text_field_description), weatherData.getWeather()
 129                     .getDescription()));
 130             double conversion = weatherData.getMain().getTemp();
 131             conversion = conversion - tempUnits;
 132             entries.set(1, new WeatherSpecificDataEntry(this.getString(R.string.text_field_tem), tempFormatter.format(conversion)));
 133             conversion = weatherData.getMain().getMaxTemp();
 134             conversion = conversion - tempUnits;
 135             entries.set(2, new WeatherSpecificDataEntry(this.getString(R.string.text_field_tem_max), tempFormatter.format(conversion)));
 136             conversion = weatherData.getMain().getMinTemp();
 137             conversion = conversion - tempUnits;
 138             entries.set(3, new WeatherSpecificDataEntry(this.getString(R.string.text_field_tem_min), tempFormatter.format(conversion)));
 139         }
 140
 141         if (weatherData.getSystem() != null) {
 142             long unixTime = weatherData.getSystem().getSunRiseTime();
 143             Date unixDate = new Date(unixTime * 1000L);
 144             String dateFormatUnix = dateFormat.format(unixDate);
 145             entries.set(4, new WeatherSpecificDataEntry(this.getString(R.string.text_field_sun_rise), dateFormatUnix));
 146
 147             unixTime = weatherData.getSystem().getSunSetTime();
 148             unixDate = new Date(unixTime * 1000L);
 149             dateFormatUnix = dateFormat.format(unixDate);
 150             entries.set(5, new WeatherSpecificDataEntry(this.getString(R.string.text_field_sun_set), dateFormatUnix));
 151         }
 152
 153         if (weatherData.getClouds() != null) {
 154             final double cloudiness = weatherData.getClouds().getCloudiness();
 155             entries.set(6, new WeatherSpecificDataEntry(this.getString(R.string.text_field_cloudiness), tempFormatter.format(cloudiness)));
 156         }
 157
 158         if (weatherData.getWeather().getIcon() != null) {
 159             final Bitmap icon = BitmapFactory.decodeByteArray(
 160                     weatherData.getIconData(), 0,
 161                     weatherData.getIconData().length);
 162             final ImageView imageIcon = (ImageView) this.getActivity()
 163                     .findViewById(R.id.weather_picture);
 164             imageIcon.setImageBitmap(icon);
 165         }
 166
 167
 168
 169         listWeatherView.setAdapter(null);
 170         adapter.addAll(entries);
 171         listWeatherView.setAdapter(adapter);
 172     }
 173
 174     @Override
 175     public void onResume() {
 176         super.onResume();
 177
 178         final SharedPreferences sharedPreferences = PreferenceManager
 179                 .getDefaultSharedPreferences(this.getActivity());
 180
 181         // 1. Update units of measurement.
 182         String keyPreference = this.getResources().getString(
 183                 R.string.weather_preferences_units_key);
 184         final String unitsPreferenceValue = sharedPreferences.getString(keyPreference, "");
 185         final String celsius = this.getResources().getString(
 186                 R.string.weather_preferences_units_celsius);
 187         if (unitsPreferenceValue.equals(celsius)) {
 188             this.mIsFahrenheit = false;
 189         } else {
 190             this.mIsFahrenheit = true;
 191         }
 192
 193
 194         // 2. Update current data on display.
 195         final WeatherData weatherData = this.mWeatherServicePersistenceFile.getWeatherData();
 196
 197         if (weatherData != null) {
 198             this.updateWeatherData(weatherData);
 199         }
 200
 201
 202         // 3. If language changed, try to retrieve new data for new language
 203         // (new strings with the chosen language)
 204         keyPreference = this.getResources().getString(
 205                 R.string.weather_preferences_language_key);
 206         final String languagePreferenceValue = sharedPreferences.getString(
 207                 keyPreference, "");
 208         if (!languagePreferenceValue.equals(this.mLanguage)) {
 209             this.mLanguage = languagePreferenceValue;
 210             this.getWeather();
 211         }
 212     }
 213
 214     private List<WeatherSpecificDataEntry> createEmptyEntriesList() {
 215         final List<WeatherSpecificDataEntry> entries = new ArrayList<WeatherSpecificDataEntry>();
 216         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_description), null));
 217         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_tem), null));
 218         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_tem_max), null));
 219         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_tem_min), null));
 220         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_sun_rise), null));
 221         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_sun_set), null));
 222         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_cloudiness), null));
 223         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_rain_time), null));
 224         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_rain_amount), null));
 225         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_wind_speed), null));
 226         entries.add(new WeatherSpecificDataEntry(this.getString(R.string.text_field_humidity), null));
 227
 228         return entries;
 229     }
 230 }