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.settings.network.telephony; 18 19 import android.content.Context; 20 import android.os.PersistableBundle; 21 import android.telephony.CarrierConfigManager; 22 import android.telephony.SubscriptionManager; 23 import android.text.TextUtils; 24 25 import com.android.settings.core.BasePreferenceController; 26 27 public class CarrierSettingsVersionPreferenceController extends BasePreferenceController { 28 29 private int mSubscriptionId; 30 private CarrierConfigManager mManager; 31 CarrierSettingsVersionPreferenceController(Context context, String preferenceKey)32 public CarrierSettingsVersionPreferenceController(Context context, String preferenceKey) { 33 super(context, preferenceKey); 34 mManager = context.getSystemService(CarrierConfigManager.class); 35 mSubscriptionId = SubscriptionManager.INVALID_SUBSCRIPTION_ID; 36 } 37 init(int subscriptionId)38 public void init(int subscriptionId) { 39 mSubscriptionId = subscriptionId; 40 } 41 42 @Override getSummary()43 public CharSequence getSummary() { 44 final PersistableBundle config = mManager.getConfigForSubId(mSubscriptionId); 45 if (config == null) { 46 return null; 47 } 48 return config.getString(CarrierConfigManager.KEY_CARRIER_CONFIG_VERSION_STRING); 49 } 50 51 @Override getAvailabilityStatus()52 public int getAvailabilityStatus() { 53 return TextUtils.isEmpty(getSummary()) ? UNSUPPORTED_ON_DEVICE : AVAILABLE; 54 } 55 } 56