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      1 /*
      2  * Copyright (C) 2015 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.compat;
     18 
     19 import android.net.Uri;
     20 import android.support.annotation.Nullable;
     21 import android.telecom.PhoneAccountHandle;
     22 import android.telephony.TelephonyManager;
     23 
     24 public class TelephonyManagerCompat {
     25     public static final String TELEPHONY_MANAGER_CLASS = "android.telephony.TelephonyManager";
     26 
     27     /**
     28      * @param telephonyManager The telephony manager instance to use for method calls.
     29      * @return true if the current device is "voice capable".
     30      * <p>
     31      * "Voice capable" means that this device supports circuit-switched
     32      * (i.e. voice) phone calls over the telephony network, and is allowed
     33      * to display the in-call UI while a cellular voice call is active.
     34      * This will be false on "data only" devices which can't make voice
     35      * calls and don't support any in-call UI.
     36      * <p>
     37      * Note: the meaning of this flag is subtly different from the
     38      * PackageManager.FEATURE_TELEPHONY system feature, which is available
     39      * on any device with a telephony radio, even if the device is
     40      * data-only.
     41      */
     42     public static boolean isVoiceCapable(@Nullable TelephonyManager telephonyManager) {
     43         if (telephonyManager == null) {
     44             return false;
     45         }
     46         if (CompatUtils.isLollipopMr1Compatible()
     47                 || CompatUtils.isMethodAvailable(TELEPHONY_MANAGER_CLASS, "isVoiceCapable")) {
     48             // isVoiceCapable was unhidden in L-MR1
     49             return telephonyManager.isVoiceCapable();
     50         }
     51         final int phoneType = telephonyManager.getPhoneType();
     52         return phoneType == TelephonyManager.PHONE_TYPE_CDMA ||
     53                 phoneType == TelephonyManager.PHONE_TYPE_GSM;
     54     }
     55 
     56     /**
     57      * Returns the number of phones available.
     58      * Returns 1 for Single standby mode (Single SIM functionality)
     59      * Returns 2 for Dual standby mode.(Dual SIM functionality)
     60      *
     61      * Returns 1 if the method or telephonyManager is not available.
     62      *
     63      * @param telephonyManager The telephony manager instance to use for method calls.
     64      */
     65     public static int getPhoneCount(@Nullable TelephonyManager telephonyManager) {
     66         if (telephonyManager == null) {
     67             return 1;
     68         }
     69         if (CompatUtils.isMarshmallowCompatible() || CompatUtils
     70                 .isMethodAvailable(TELEPHONY_MANAGER_CLASS, "getPhoneCount")) {
     71             return telephonyManager.getPhoneCount();
     72         }
     73         return 1;
     74     }
     75 
     76     /**
     77      * Returns the unique device ID of a subscription, for example, the IMEI for
     78      * GSM and the MEID for CDMA phones. Return null if device ID is not available.
     79      *
     80      * <p>Requires Permission:
     81      *   {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
     82      *
     83      * @param telephonyManager The telephony manager instance to use for method calls.
     84      * @param slotId of which deviceID is returned
     85      */
     86     public static String getDeviceId(@Nullable TelephonyManager telephonyManager, int slotId) {
     87         if (telephonyManager == null) {
     88             return null;
     89         }
     90         if (CompatUtils.isMarshmallowCompatible()
     91                 || CompatUtils.isMethodAvailable(TELEPHONY_MANAGER_CLASS,
     92                         "getDeviceId", Integer.class)) {
     93             return telephonyManager.getDeviceId(slotId);
     94         }
     95         return null;
     96     }
     97 
     98     /**
     99      * Whether the phone supports TTY mode.
    100      *
    101      * @param telephonyManager The telephony manager instance to use for method calls.
    102      * @return {@code true} if the device supports TTY mode, and {@code false} otherwise.
    103      */
    104 
    105     public static boolean isTtyModeSupported(@Nullable TelephonyManager telephonyManager) {
    106         if (telephonyManager == null) {
    107             return false;
    108         }
    109         if (CompatUtils.isMarshmallowCompatible()
    110                 || CompatUtils.isMethodAvailable(TELEPHONY_MANAGER_CLASS, "isTtyModeSupported")) {
    111             return telephonyManager.isTtyModeSupported();
    112         }
    113         return false;
    114     }
    115 
    116     /**
    117      * Whether the phone supports hearing aid compatibility.
    118      *
    119      * @param telephonyManager The telephony manager instance to use for method calls.
    120      * @return {@code true} if the device supports hearing aid compatibility, and {@code false}
    121      * otherwise.
    122      */
    123     public static boolean isHearingAidCompatibilitySupported(
    124             @Nullable TelephonyManager telephonyManager) {
    125         if (telephonyManager == null) {
    126             return false;
    127         }
    128         if (CompatUtils.isMarshmallowCompatible()
    129                 || CompatUtils.isMethodAvailable(TELEPHONY_MANAGER_CLASS,
    130                         "isHearingAidCompatibilitySupported")) {
    131             return telephonyManager.isHearingAidCompatibilitySupported();
    132         }
    133         return false;
    134     }
    135 
    136     /**
    137      * Returns the URI for the per-account voicemail ringtone set in Phone settings.
    138      *
    139      * @param telephonyManager The telephony manager instance to use for method calls.
    140      * @param accountHandle The handle for the {@link android.telecom.PhoneAccount} for which to
    141      * retrieve the voicemail ringtone.
    142      * @return The URI for the ringtone to play when receiving a voicemail from a specific
    143      * PhoneAccount.
    144      */
    145     @Nullable
    146     public static Uri getVoicemailRingtoneUri(TelephonyManager telephonyManager,
    147             PhoneAccountHandle accountHandle) {
    148         if (!CompatUtils.isNCompatible()) {
    149             return null;
    150         }
    151         return TelephonyManagerSdkCompat
    152                 .getVoicemailRingtoneUri(telephonyManager, accountHandle);
    153     }
    154 
    155     /**
    156      * Returns whether vibration is set for voicemail notification in Phone settings.
    157      *
    158      * @param telephonyManager The telephony manager instance to use for method calls.
    159      * @param accountHandle The handle for the {@link android.telecom.PhoneAccount} for which to
    160      * retrieve the voicemail vibration setting.
    161      * @return {@code true} if the vibration is set for this PhoneAccount, {@code false} otherwise.
    162      */
    163     public static boolean isVoicemailVibrationEnabled(TelephonyManager telephonyManager,
    164             PhoneAccountHandle accountHandle) {
    165         if (!CompatUtils.isNCompatible()) {
    166             return true;
    167         }
    168         return TelephonyManagerSdkCompat
    169                 .isVoicemailVibrationEnabled(telephonyManager, accountHandle);
    170     }
    171 }
    172