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.car.settings.datausage; 18 19 import android.content.Context; 20 import android.net.NetworkTemplate; 21 import android.os.Bundle; 22 import android.telephony.SubscriptionManager; 23 import android.telephony.TelephonyManager; 24 25 import androidx.annotation.VisibleForTesting; 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.settingslib.net.DataUsageController; 33 import com.android.settingslib.net.NetworkCycleChartData; 34 35 import java.util.Map; 36 37 /** 38 * Screen to display list of applications using the data. 39 */ 40 public class AppDataUsageFragment extends SettingsFragment implements 41 DataUsageCyclePreferenceController.DataCyclePickedListener<NetworkCycleChartData> { 42 43 private static final Logger LOG = new Logger(AppDataUsageFragment.class); 44 45 private static final String ARG_NETWORK_SUB_ID = "network_sub_id"; 46 /** Value to represent that the subscription id hasn't been computed yet. */ 47 private static final int SUB_ID_NULL = Integer.MIN_VALUE; 48 49 private AppsNetworkStatsManager mAppsNetworkStatsManager; 50 private DataUsageCycleManager mDataUsageCycleManager; 51 private NetworkTemplate mNetworkTemplate; 52 private DataUsageController mDataUsageController; 53 54 private Bundle mBundle; 55 private LoaderManager mLoaderManager; 56 private AppDataUsageTotalPreferenceController mAppDataUsageTotalPreferenceController; 57 58 /** 59 * Creates a new instance of the {@link AppDataUsageFragment}, which shows settings related to 60 * the given {@code subId}. 61 */ newInstance(int subId)62 public static AppDataUsageFragment newInstance(int subId) { 63 AppDataUsageFragment fragment = new AppDataUsageFragment(); 64 Bundle args = new Bundle(); 65 args.putInt(ARG_NETWORK_SUB_ID, subId); 66 fragment.setArguments(args); 67 return fragment; 68 } 69 70 @Override 71 @XmlRes getPreferenceScreenResId()72 protected int getPreferenceScreenResId() { 73 return R.xml.app_data_usage_fragment; 74 } 75 76 @Override onAttach(Context context)77 public void onAttach(Context context) { 78 super.onAttach(context); 79 80 TelephonyManager telephonyManager = context.getSystemService(TelephonyManager.class); 81 int subId = getArguments() != null 82 ? getArguments().getInt(ARG_NETWORK_SUB_ID, SUB_ID_NULL) : SUB_ID_NULL; 83 if (subId == SUB_ID_NULL) { 84 LOG.d("Cannot get the subscription id from arguments. Switching to default " 85 + "subscription Id: " + subId); 86 SubscriptionManager subscriptionManager = context.getSystemService( 87 SubscriptionManager.class); 88 subId = DataUsageUtils.getDefaultSubscriptionId(subscriptionManager); 89 } 90 mNetworkTemplate = DataUsageUtils.getMobileNetworkTemplate(telephonyManager, subId); 91 mDataUsageController = new DataUsageController(context); 92 mAppsNetworkStatsManager = new AppsNetworkStatsManager(getContext()); 93 mAppsNetworkStatsManager.registerListener( 94 use(AppDataUsagePreferenceController.class, R.string.pk_app_data_usage_detail)); 95 mDataUsageCycleManager = new DataUsageCycleManager(getContext(), mNetworkTemplate); 96 mDataUsageCycleManager.registerListener(use(DataUsageCyclePreferenceController.class, 97 R.string.pk_data_usage_usage_history)); 98 use(DataUsageCyclePreferenceController.class, 99 R.string.pk_data_usage_usage_history) 100 .setDataCyclePickedListener(this) 101 .setDataUsageInfo(mDataUsageController.getDataUsageInfo(mNetworkTemplate)); 102 103 long usage = mDataUsageController.getDataUsageInfo(mNetworkTemplate).usageLevel; 104 mAppDataUsageTotalPreferenceController = 105 use(AppDataUsageTotalPreferenceController.class, R.string.pk_data_usage_all_apps); 106 mAppDataUsageTotalPreferenceController.setDataUsage(usage); 107 108 use(AppDataUsagePreferenceController.class, R.string.pk_app_data_usage_detail) 109 .setNetworkTemplate(mNetworkTemplate); 110 } 111 112 @Override onCreate(Bundle savedInstanceState)113 public void onCreate(Bundle savedInstanceState) { 114 super.onCreate(savedInstanceState); 115 mBundle = getBundleForNetworkStats(); 116 117 mLoaderManager = LoaderManager.getInstance(this); 118 mAppsNetworkStatsManager.startLoading(mLoaderManager, mBundle); 119 mDataUsageCycleManager.startLoading(mLoaderManager); 120 } 121 getBundleForNetworkStats()122 private Bundle getBundleForNetworkStats() { 123 DataUsageController.DataUsageInfo dataUsageInfo = 124 mDataUsageController.getDataUsageInfo(mNetworkTemplate); 125 long start = dataUsageInfo.cycleStart; 126 long end = dataUsageInfo.cycleEnd; 127 128 return SummaryForAllUidLoader.buildArgs(mNetworkTemplate, start, end); 129 } 130 131 @VisibleForTesting(otherwise = VisibleForTesting.NONE) getBundle()132 Bundle getBundle() { 133 return mBundle; 134 } 135 136 @Override onDataCyclePicked(String cycle, Map<CharSequence, NetworkCycleChartData> usages)137 public void onDataCyclePicked(String cycle, Map<CharSequence, NetworkCycleChartData> usages) { 138 mAppDataUsageTotalPreferenceController.setDataUsage(usages.get(cycle).getTotalUsage()); 139 140 mBundle = SummaryForAllUidLoader.buildArgs( 141 mNetworkTemplate, 142 usages.get(cycle).getStartTime(), 143 usages.get(cycle).getEndTime()); 144 mAppsNetworkStatsManager.startLoading(mLoaderManager, mBundle); 145 } 146 } 147