/* * Copyright (C) 2008 Esmertec AG. * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.im.engine; import com.android.im.service.AndroidSystemService; /** * The interface to access system service objects. * */ public abstract class SystemService { /** * Gets the default instance of the system service. * * @return the default instance of the system service. */ public static SystemService getDefault() { return AndroidSystemService.getInstance(); } /** * Gets the system HeartbeatService. * * @return the instance of the HeartbeatService. */ public abstract HeartbeatService getHeartbeatService(); /** * Gets the system SmsService. * * @return the instance of the SmsService. */ public abstract SmsService getSmsService(); }