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
17package com.android.contacts.common;
18
19import android.content.Context;
20import android.location.Country;
21import android.location.CountryDetector;
22
23import com.android.i18n.phonenumbers.NumberParseException;
24import com.android.i18n.phonenumbers.PhoneNumberUtil;
25import com.android.i18n.phonenumbers.Phonenumber;
26import com.android.i18n.phonenumbers.geocoding.PhoneNumberOfflineGeocoder;
27
28import java.util.Locale;
29
30/**
31 * Static methods related to Geo.
32 */
33public class GeoUtil {
34
35    /**
36     * @return The ISO 3166-1 two letters country code of the country the user
37     *         is in.
38     */
39    public static String getCurrentCountryIso(Context context) {
40        final CountryDetector detector =
41                (CountryDetector) context.getSystemService(Context.COUNTRY_DETECTOR);
42        if (detector != null) {
43            final Country country = detector.detectCountry();
44            if (country != null) {
45                return country.getCountryIso();
46            }
47        }
48        // Fallback to Locale if have issues with CountryDetector
49        return Locale.getDefault().getCountry();
50    }
51
52    public static String getGeocodedLocationFor(Context context,  String phoneNumber) {
53        final PhoneNumberOfflineGeocoder geocoder = PhoneNumberOfflineGeocoder.getInstance();
54        final PhoneNumberUtil phoneNumberUtil = PhoneNumberUtil.getInstance();
55        final CountryDetector countryDetector =
56                (CountryDetector) context.getSystemService(Context.COUNTRY_DETECTOR);
57        try {
58            final Phonenumber.PhoneNumber structuredPhoneNumber =
59                    phoneNumberUtil.parse(phoneNumber, getCurrentCountryIso(context));
60            final Locale locale = context.getResources().getConfiguration().locale;
61            return geocoder.getDescriptionForNumber(structuredPhoneNumber, locale);
62        } catch (NumberParseException e) {
63            return null;
64        }
65    }
66}
67