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.car.drivingstate.CarUxRestrictions; 20 import android.content.Context; 21 import android.net.ConnectivityManager; 22 import android.telephony.SubscriptionManager; 23 import android.telephony.SubscriptionPlan; 24 import android.util.Range; 25 26 import androidx.preference.Preference; 27 28 import com.android.car.settings.common.FragmentController; 29 import com.android.car.settings.common.PreferenceController; 30 import com.android.car.settings.network.NetworkUtils; 31 32 import java.time.ZonedDateTime; 33 import java.util.Iterator; 34 35 /** Preference controller which shows how much data has been used so far. */ 36 public class DataUsageEntryPreferenceController extends PreferenceController<Preference> { 37 DataUsageEntryPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)38 public DataUsageEntryPreferenceController(Context context, String preferenceKey, 39 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 40 super(context, preferenceKey, fragmentController, uxRestrictions); 41 } 42 43 @Override getPreferenceType()44 protected Class<Preference> getPreferenceType() { 45 return Preference.class; 46 } 47 48 @Override getAvailabilityStatus()49 protected int getAvailabilityStatus() { 50 if (!NetworkUtils.hasMobileNetwork( 51 getContext().getSystemService(ConnectivityManager.class))) { 52 return UNSUPPORTED_ON_DEVICE; 53 } 54 return AVAILABLE; 55 } 56 57 @Override updateState(Preference preference)58 protected void updateState(Preference preference) { 59 preference.setSummary(formatUsedData()); 60 } 61 formatUsedData()62 private CharSequence formatUsedData() { 63 SubscriptionManager subscriptionManager = getContext().getSystemService( 64 SubscriptionManager.class); 65 int defaultSubId = subscriptionManager.getDefaultSubscriptionId(); 66 if (defaultSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) { 67 return null; 68 } 69 SubscriptionPlan defaultPlan = DataUsageUtils.getPrimaryPlan(subscriptionManager, 70 defaultSubId); 71 if (defaultPlan == null) { 72 return null; 73 } 74 Iterator<Range<ZonedDateTime>> cycle = defaultPlan.cycleIterator(); 75 long start = cycle.next().getLower().toInstant().toEpochMilli(); 76 return DataUsageUtils.formatDataUsageInCycle(getContext(), defaultPlan.getDataUsageBytes(), 77 start); 78 } 79 } 80