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.ConnectivityManager; 21 import android.net.NetworkPolicyManager; 22 import android.net.NetworkTemplate; 23 import android.os.Bundle; 24 import android.telephony.SubscriptionManager; 25 import android.telephony.TelephonyManager; 26 27 import androidx.annotation.Nullable; 28 import androidx.annotation.XmlRes; 29 30 import com.android.car.settings.R; 31 import com.android.car.settings.common.SettingsFragment; 32 import com.android.car.settings.network.NetworkUtils; 33 import com.android.car.settings.search.CarBaseSearchIndexProvider; 34 import com.android.settingslib.NetworkPolicyEditor; 35 import com.android.settingslib.search.SearchIndexable; 36 37 import java.util.Arrays; 38 import java.util.List; 39 40 /** Screen to set data warning and limit thresholds. */ 41 @SearchIndexable 42 public class DataWarningAndLimitFragment extends SettingsFragment { 43 44 private TelephonyManager mTelephonyManager; 45 private SubscriptionManager mSubscriptionManager; 46 private NetworkPolicyEditor mPolicyEditor; 47 private NetworkTemplate mNetworkTemplate; 48 49 /** 50 * Creates a new instance of {@link DataWarningAndLimitFragment} with the given template. If the 51 * template is {@code null}, the fragment will use the default data network template. 52 */ newInstance(@ullable NetworkTemplate template)53 public static DataWarningAndLimitFragment newInstance(@Nullable NetworkTemplate template) { 54 DataWarningAndLimitFragment fragment = new DataWarningAndLimitFragment(); 55 Bundle args = new Bundle(); 56 args.putParcelable(NetworkPolicyManager.EXTRA_NETWORK_TEMPLATE, template); 57 fragment.setArguments(args); 58 return fragment; 59 } 60 61 @Override 62 @XmlRes getPreferenceScreenResId()63 protected int getPreferenceScreenResId() { 64 return R.xml.data_warning_and_limit_fragment; 65 } 66 67 @Override onAttach(Context context)68 public void onAttach(Context context) { 69 super.onAttach(context); 70 71 mPolicyEditor = new NetworkPolicyEditor(NetworkPolicyManager.from(context)); 72 mNetworkTemplate = getArguments().getParcelable( 73 NetworkPolicyManager.EXTRA_NETWORK_TEMPLATE); 74 if (mNetworkTemplate == null) { 75 mTelephonyManager = context.getSystemService(TelephonyManager.class); 76 mSubscriptionManager = context.getSystemService(SubscriptionManager.class); 77 mNetworkTemplate = DataUsageUtils.getMobileNetworkTemplate(mTelephonyManager, 78 DataUsageUtils.getDefaultSubscriptionId(mSubscriptionManager)); 79 } 80 81 // Loads the current policies to the policy editor cache. 82 mPolicyEditor.read(); 83 84 List<DataWarningAndLimitBasePreferenceController> preferenceControllers = 85 Arrays.asList( 86 use(CycleResetDayOfMonthPickerPreferenceController.class, 87 R.string.pk_data_usage_cycle), 88 use(DataWarningPreferenceController.class, R.string.pk_data_warning_group), 89 use(DataLimitPreferenceController.class, R.string.pk_data_limit_group)); 90 91 for (DataWarningAndLimitBasePreferenceController preferenceController : 92 preferenceControllers) { 93 preferenceController.setNetworkPolicyEditor(mPolicyEditor); 94 preferenceController.setNetworkTemplate(mNetworkTemplate); 95 } 96 } 97 98 public static final CarBaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 99 new CarBaseSearchIndexProvider(R.xml.data_warning_and_limit_fragment, 100 DataWarningAndLimitActivity.class) { 101 @Override 102 protected boolean isPageSearchEnabled(Context context) { 103 return NetworkUtils.hasMobileNetwork( 104 context.getSystemService(ConnectivityManager.class)); 105 } 106 }; 107 } 108