1 /*
2  * Copyright (C) 2012 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 
17 package com.android.contacts;
18 
19 import android.app.Application;
20 import android.content.Context;
21 
22 import com.android.contacts.location.CountryDetector;
23 
24 import com.google.i18n.phonenumbers.NumberParseException;
25 import com.google.i18n.phonenumbers.PhoneNumberUtil;
26 import com.google.i18n.phonenumbers.Phonenumber;
27 import com.google.i18n.phonenumbers.geocoding.PhoneNumberOfflineGeocoder;
28 
29 import java.util.Locale;
30 
31 /**
32  * Static methods related to Geo.
33  */
34 public class GeoUtil {
35 
36     /**
37      * Returns the country code of the country the user is currently in. Before calling this
38      * method, make sure that {@link CountryDetector#initialize(Context)} has already been called
39      * in {@link Application#onCreate()}.
40      * @return The ISO 3166-1 two letters country code of the country the user
41      *         is in.
42      */
getCurrentCountryIso(Context context)43     public static String getCurrentCountryIso(Context context) {
44         // The {@link CountryDetector} should never return null so this is safe to return as-is.
45         return CountryDetector.getInstance(context).getCurrentCountryIso();
46     }
47 
getGeocodedLocationFor(Context context, String phoneNumber)48     public static String getGeocodedLocationFor(Context context,  String phoneNumber) {
49         final PhoneNumberOfflineGeocoder geocoder = PhoneNumberOfflineGeocoder.getInstance();
50         final PhoneNumberUtil phoneNumberUtil = PhoneNumberUtil.getInstance();
51         try {
52             final Phonenumber.PhoneNumber structuredPhoneNumber =
53                     phoneNumberUtil.parse(phoneNumber, getCurrentCountryIso(context));
54             final Locale locale = context.getResources().getConfiguration().locale;
55             return geocoder.getDescriptionForNumber(structuredPhoneNumber, locale);
56         } catch (NumberParseException e) {
57             return null;
58         }
59     }
60 }
61