82 lines
2.6 KiB
Java
82 lines
2.6 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.service.carrier;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.annotation.SystemApi;
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import android.annotation.WorkerThread;
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import android.app.Service;
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import android.content.ContentValues;
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import android.content.Intent;
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import android.os.IBinder;
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import android.util.Log;
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import android.service.carrier.IApnSourceService;
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import java.util.List;
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/**
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* A service that the system can call to restore default APNs.
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* <p>
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* To extend this class, specify the full name of your implementation in the resource file
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* {@code packages/providers/TelephonyProvider/res/values/config.xml} as the
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* {@code apn_source_service}.
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* </p>
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*
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* @hide
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*/
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@SystemApi
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public abstract class ApnService extends Service {
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private static final String LOG_TAG = "ApnService";
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private final IApnSourceService.Stub mBinder = new IApnSourceService.Stub() {
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/**
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* Retreive APNs for the default slot index.
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*/
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@Override
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public ContentValues[] getApns(int subId) {
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try {
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List<ContentValues> apns = ApnService.this.onRestoreApns(subId);
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return apns.toArray(new ContentValues[apns.size()]);
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} catch (Exception e) {
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Log.e(LOG_TAG, "Error in getApns for subId=" + subId + ": " + e.getMessage(), e);
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return null;
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}
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}
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};
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@Override
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@NonNull
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public IBinder onBind(@Nullable Intent intent) {
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return mBinder;
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}
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/**
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* Override this method to restore default user APNs with a carrier service instead of the
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* built in platform xml APNs list.
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* <p>
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* This method is called by the TelephonyProvider when the user requests restoring the default
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* APNs. It should return a list of ContentValues representing the default APNs for the given
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* subId.
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*/
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@WorkerThread
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@NonNull
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public abstract List<ContentValues> onRestoreApns(int subId);
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}
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