Jordan Liu | 2f2dd0a | 2018-11-12 16:39:20 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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 android.service.carrier; |
| 18 | |
| 19 | import android.annotation.SystemApi; |
| 20 | import android.annotation.WorkerThread; |
| 21 | import android.app.Service; |
| 22 | import android.content.ContentValues; |
| 23 | import android.content.Intent; |
| 24 | import android.os.IBinder; |
| 25 | import android.util.Log; |
| 26 | |
| 27 | import com.android.internal.telephony.IApnSourceService; |
| 28 | |
| 29 | import java.util.List; |
| 30 | |
| 31 | /** |
| 32 | * A service that the system can call to restore default APNs. |
| 33 | * <p> |
| 34 | * To extend this class, specify the full name of your implementation in the resource file |
| 35 | * {@code packages/providers/TelephonyProvider/res/values/config.xml} as the |
| 36 | * {@code apn_source_service}. |
| 37 | * </p> |
| 38 | * |
| 39 | * @hide |
| 40 | */ |
| 41 | @SystemApi |
| 42 | public abstract class ApnService extends Service { |
| 43 | |
| 44 | private static final String LOG_TAG = "ApnService"; |
| 45 | |
| 46 | private final IApnSourceService.Stub mBinder = new IApnSourceService.Stub() { |
| 47 | /** |
| 48 | * Retreive APNs for the default slot index. |
| 49 | */ |
| 50 | @Override |
| 51 | public ContentValues[] getApns(int subId) { |
| 52 | try { |
| 53 | List<ContentValues> apns = ApnService.this.onRestoreApns(subId); |
| 54 | return apns.toArray(new ContentValues[apns.size()]); |
| 55 | } catch (Exception e) { |
| 56 | Log.e(LOG_TAG, "Error in getApns for subId=" + subId + ": " + e.getMessage(), e); |
| 57 | return null; |
| 58 | } |
| 59 | } |
| 60 | }; |
| 61 | |
| 62 | @Override |
| 63 | public IBinder onBind(Intent intent) { |
| 64 | return mBinder; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Override this method to restore default user APNs with a carrier service instead of the |
| 69 | * built in platform xml APNs list. |
| 70 | * <p> |
| 71 | * This method is called by the TelephonyProvider when the user requests restoring the default |
| 72 | * APNs. It should return a list of ContentValues representing the default APNs for the given |
| 73 | * subId. |
| 74 | */ |
| 75 | @WorkerThread |
| 76 | public abstract List<ContentValues> onRestoreApns(int subId); |
| 77 | } |