1 /*
2  * Copyright (C) 2021 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.car.settings.datausage;
18 
19 import android.content.Context;
20 import android.net.NetworkPolicyManager;
21 import android.net.NetworkTemplate;
22 import android.os.Bundle;
23 import android.telephony.SubscriptionManager;
24 import android.telephony.TelephonyManager;
25 
26 import androidx.annotation.XmlRes;
27 import androidx.loader.app.LoaderManager;
28 
29 import com.android.car.settings.R;
30 import com.android.car.settings.common.Logger;
31 import com.android.car.settings.common.SettingsFragment;
32 import com.android.car.settings.common.UpdateSummaryPreferenceController;
33 import com.android.settingslib.AppItem;
34 import com.android.settingslib.net.DataUsageController;
35 import com.android.settingslib.net.NetworkCycleDataForUid;
36 import com.android.settingslib.net.UidDetail;
37 import com.android.settingslib.net.UidDetailProvider;
38 
39 import java.util.Map;
40 
41 /**
42  * Screen to display detailed data usage information for a specific app.
43  */
44 public class AppSpecificDataUsageFragment extends SettingsFragment implements
45         AppSpecificDataUsageCyclePreferenceController.DataCyclePickedListener
46                 <NetworkCycleDataForUid>  {
47     private static final Logger LOG = new Logger(AppSpecificDataUsageFragment.class);
48 
49     private static final String EXTRA_PACKAGE_NAME = "extra_app_item_key";
50 
51     private AppSpecificDataUsageManager mAppSpecificDataUsageManager;
52 
53     /** Creates an instance of this fragment, passing packageName as an argument. */
getInstance(AppItem appItem, NetworkTemplate networkTemplate)54     public static AppSpecificDataUsageFragment getInstance(AppItem appItem,
55             NetworkTemplate networkTemplate) {
56         AppSpecificDataUsageFragment
57                 appSpecificDataUsageFragment = new AppSpecificDataUsageFragment();
58         Bundle bundle = new Bundle();
59         bundle.putObject(EXTRA_PACKAGE_NAME, appItem);
60         bundle.putParcelable(NetworkPolicyManager.EXTRA_NETWORK_TEMPLATE, networkTemplate);
61         appSpecificDataUsageFragment.setArguments(bundle);
62         return appSpecificDataUsageFragment;
63     }
64 
65     @Override
66     @XmlRes
getPreferenceScreenResId()67     protected int getPreferenceScreenResId() {
68         return R.xml.app_specific_data_usage_fragment;
69     }
70 
71     @Override
onAttach(Context context)72     public void onAttach(Context context) {
73         super.onAttach(context);
74         AppItem appItem = (AppItem) getArguments().get(EXTRA_PACKAGE_NAME);
75 
76         NetworkTemplate networkTemplate = getArguments().getParcelable(
77                 NetworkPolicyManager.EXTRA_NETWORK_TEMPLATE);
78         if (networkTemplate == null) {
79             TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class);
80             SubscriptionManager subscriptionManager =
81                     context.getSystemService(SubscriptionManager.class);
82             networkTemplate = DataUsageUtils.getMobileNetworkTemplate(telephonyManager,
83                     DataUsageUtils.getDefaultSubscriptionId(subscriptionManager));
84         }
85 
86         mAppSpecificDataUsageManager = new AppSpecificDataUsageManager(context, networkTemplate,
87                 appItem.key);
88         mAppSpecificDataUsageManager.registerListener(
89                 use(AppSpecificDataUsageCyclePreferenceController.class,
90                         R.string.pk_app_specific_usage_cycle));
91 
92         UidDetailProvider uidDetailProvider = new UidDetailProvider(context);
93         UidDetail uidDetail = uidDetailProvider.getUidDetail(appItem.key, true /* blocking */);
94         use(AppSpecificDataUsageHeaderPreferenceController.class,
95                 R.string.pk_app_specific_usage_title)
96                 .setTitle(uidDetail.label.toString())
97                 .setIcon(uidDetail.icon);
98 
99         DataUsageController dataUsageController = new DataUsageController(context);
100         use(AppSpecificDataUsageCyclePreferenceController.class,
101                 R.string.pk_app_specific_usage_cycle)
102                 .setDataCyclePickedListener(this)
103                 .setDataUsageInfo(dataUsageController.getDataUsageInfo(networkTemplate));
104     }
105 
106     @Override
onCreate(Bundle savedInstanceState)107     public void onCreate(Bundle savedInstanceState) {
108         super.onCreate(savedInstanceState);
109 
110         LoaderManager loaderManager = LoaderManager.getInstance(this);
111         mAppSpecificDataUsageManager.startLoading(loaderManager);
112     }
113 
114     @Override
onDataCyclePicked(String cycle, Map<CharSequence, NetworkCycleDataForUid> usages)115     public void onDataCyclePicked(String cycle, Map<CharSequence, NetworkCycleDataForUid> usages) {
116         // TODO: (b/203824535) Default to generic "Calculating..." string after string freeze when
117         //  not yet loaded.
118         NetworkCycleDataForUid cycleData = usages.get(cycle);
119         use(UpdateSummaryPreferenceController.class,
120                 R.string.pk_app_specific_usage_total)
121                 .setSummary(DataUsageUtils.bytesToIecUnits(getContext(), cycleData.getTotalUsage())
122                         .toString());
123         use(UpdateSummaryPreferenceController.class,
124                 R.string.pk_app_specific_usage_foreground)
125                 .setSummary(DataUsageUtils.bytesToIecUnits(getContext(),
126                         cycleData.getForegroudUsage()).toString());
127         use(UpdateSummaryPreferenceController.class,
128                 R.string.pk_app_specific_usage_background)
129                 .setSummary(DataUsageUtils.bytesToIecUnits(getContext(),
130                         cycleData.getBackgroudUsage()).toString());
131     }
132 }
133