1 /*
2  * Copyright (C) 2019 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.settingslib.net;
18 
19 import android.content.Context;
20 import android.net.NetworkTemplate;
21 import android.telephony.SubscriptionManager;
22 import android.telephony.TelephonyManager;
23 import android.util.Log;
24 
25 import com.android.internal.util.ArrayUtils;
26 /**
27  * Utils class for data usage
28  */
29 public class DataUsageUtils {
30     private static final String TAG = "DataUsageUtils";
31 
32     /**
33      * Return mobile NetworkTemplate based on {@code subId}
34      */
getMobileTemplate(Context context, int subId)35     public static NetworkTemplate getMobileTemplate(Context context, int subId) {
36         final TelephonyManager telephonyManager = context.getSystemService(
37                 TelephonyManager.class);
38         final SubscriptionManager subscriptionManager = context.getSystemService(
39                 SubscriptionManager.class);
40         final NetworkTemplate mobileAll = NetworkTemplate.buildTemplateMobileAll(
41                 telephonyManager.createForSubscriptionId(subId).getSubscriberId());
42 
43         if (!subscriptionManager.isActiveSubId(subId)) {
44             Log.i(TAG, "Subscription is not active: " + subId);
45             return mobileAll;
46         }
47 
48         final String[] mergedSubscriberIds = telephonyManager.createForSubscriptionId(subId)
49                 .getMergedSubscriberIdsFromGroup();
50 
51         if (ArrayUtils.isEmpty(mergedSubscriberIds)) {
52             Log.i(TAG, "mergedSubscriberIds is null.");
53             return mobileAll;
54         }
55 
56         return NetworkTemplate.normalize(mobileAll, mergedSubscriberIds);
57     }
58 }
59