app/src/main/java/uk/me/njae/sunshine/Utility.java

   1 /*
   2  * Copyright (C) 2014 The Android Open Source Project
   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 uk.me.njae.sunshine;
  17
  18 import android.content.Context;
  19 import android.content.SharedPreferences;
  20 import android.preference.PreferenceManager;
  21 import android.util.Log;
  22
  23 import java.text.DateFormat;
  24 import java.util.Date;
  25
  26 import uk.me.njae.sunshine.data.WeatherContract;
  27
  28 public class Utility {
  29     private static final String LOG_TAG = Utility.class.getSimpleName();
  30
  31     public static String getPreferredLocation(Context context) {
  32         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
  33         return prefs.getString(context.getString(R.string.pref_location_key),
  34                 context.getString(R.string.pref_location_default));
  35     }
  36
  37     public static boolean isMetric(Context context) {
  38         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
  39         Log.v(LOG_TAG, "Units set to " + prefs.getString(context.getString(R.string.pref_units_key),
  40                 context.getString(R.string.pref_units_metric)));
  41         return prefs.getString(context.getString(R.string.pref_units_key),
  42                 context.getString(R.string.pref_units_metric))
  43                 .equals(context.getString(R.string.pref_units_metric));
  44     }
  45
  46     static String formatTemperature(double temperature, boolean isMetric) {
  47         double temp;
  48         if ( !isMetric ) {
  49             temp = 9*temperature/5+32;
  50         } else {
  51             temp = temperature;
  52         }
  53         return String.format("%.0f", temp);
  54     }
  55
  56     static String formatDate(String dateString) {
  57         Date date = WeatherContract.getDateFromDb(dateString);
  58         return DateFormat.getDateInstance().format(date);
  59     }
  60 }
  61