1 /*
2  * Copyright (C) 2020 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.settings.network.ims;
18 
19 import android.telephony.ims.ImsMmTelManager;
20 import android.util.Log;
21 
22 /**
23  * An {@link ImsQuery} for accessing IMS user setting for enhanced 4G LTE
24  */
25 public class ImsQueryEnhanced4gLteModeUserSetting implements ImsQuery {
26 
27     private static final String LOG_TAG = "QueryEnhanced4gLteModeUserSetting";
28     /**
29      * Constructor
30      * @param subId subscription id
31      */
ImsQueryEnhanced4gLteModeUserSetting(int subId)32     public ImsQueryEnhanced4gLteModeUserSetting(int subId) {
33         mSubId = subId;
34     }
35 
36     private volatile int mSubId;
37 
38     /**
39      * Implementation of interface {@link ImsQuery#query()}
40      *
41      * @return result of query
42      */
query()43     public boolean query() {
44         try {
45             final ImsMmTelManager imsMmTelManager =
46                     ImsMmTelManager.createForSubscriptionId(mSubId);
47             return imsMmTelManager.isAdvancedCallingSettingEnabled();
48         } catch (IllegalArgumentException exception) {
49             Log.w(LOG_TAG, "fail to get VoLte settings. subId=" + mSubId, exception);
50         }
51         return false;
52     }
53 }
54