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