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.TelephonyManager; 20 21 /** This class provides several TelephonyManager util functions. */ 22 public class TelephonyManagerUtils { 23 24 /** 25 * Gets the voicemail tag from Telephony Manager. 26 * 27 * @param context Current application context 28 * @return Voicemail tag, the alphabetic identifier associated with the voice mail number. 29 */ getVoiceMailAlphaTag(Context context)30 public static String getVoiceMailAlphaTag(Context context) { 31 final TelephonyManager telephonyManager = 32 (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); 33 final String voiceMailLabel = telephonyManager.getVoiceMailAlphaTag(); 34 return voiceMailLabel; 35 } 36 37 /** 38 * @param context Current application context. 39 * @return True if there is a subscription which supports video calls. False otherwise. 40 */ hasVideoCallSubscription(Context context)41 public static boolean hasVideoCallSubscription(Context context) { 42 // TODO: Check the telephony manager's subscriptions to see if any support video calls. 43 return true; 44 } 45 } 46