1 /* 2 * Copyright (C) 2013 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 com.android.contacts.common.util; 17 18 import android.content.Context; 19 import android.telephony.PhoneNumberUtils; 20 import android.telephony.TelephonyManager; 21 import android.text.TextUtils; 22 import android.util.Log; 23 24 import java.util.Locale; 25 26 /** 27 * This class provides several TelephonyManager util functions. 28 */ 29 public class TelephonyManagerUtils { 30 31 private static final String LOG_TAG = TelephonyManagerUtils.class.getSimpleName(); 32 33 /** 34 * Gets the voicemail tag from Telephony Manager. 35 * @param context Current application context 36 * @return Voicemail tag, the alphabetic identifier associated with the voice mail number. 37 */ 38 public static String getVoiceMailAlphaTag(Context context) { 39 final TelephonyManager telephonyManager = 40 (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); 41 final String voiceMailLabel = telephonyManager.getVoiceMailAlphaTag(); 42 return voiceMailLabel; 43 } 44 45 /** 46 * @return The ISO 3166-1 two letters country code of the country the user 47 * is in based on the network location. If the network location does not exist, fall 48 * back to the locale setting. 49 */ 50 public static String getCurrentCountryIso(Context context, Locale locale) { 51 // Without framework function calls, this seems to be the most accurate location service 52 // we can rely on. 53 final TelephonyManager telephonyManager = 54 (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); 55 String countryIso = telephonyManager.getNetworkCountryIso().toUpperCase(); 56 57 if (countryIso == null) { 58 countryIso = locale.getCountry(); 59 Log.w(LOG_TAG, "No CountryDetector; falling back to countryIso based on locale: " 60 + countryIso); 61 } 62 return countryIso; 63 } 64 65 /** 66 * @param context Current application context. 67 * @return True if there is a subscription which supports video calls. False otherwise. 68 */ 69 public static boolean hasVideoCallSubscription(Context context) { 70 // TODO: Check the telephony manager's subscriptions to see if any support video calls. 71 return true; 72 } 73 } 74
