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.dialer.location; 18 19 import android.content.Context; 20 import android.os.Trace; 21 22 /** Static methods related to Geo. */ 23 public class GeoUtil { 24 25 /** 26 * Return the ISO 3166-1 two letters country code of the country the user is in. 27 * 28 * <p>WARNING: {@link CountryDetector} caches TelephonyManager and other system services in a 29 * static. {@link CountryDetector#instance} must be reset in tests. 30 */ getCurrentCountryIso(Context context)31 public static String getCurrentCountryIso(Context context) { 32 // The {@link CountryDetector} should never return null so this is safe to return as-is. 33 Trace.beginSection("GeoUtil.getCurrentCountryIso"); 34 String countryIso = CountryDetector.getInstance(context).getCurrentCountryIso(); 35 Trace.endSection(); 36 return countryIso; 37 } 38 } 39