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