1 /* 2 * Copyright (C) 2006 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.content; 18 19 import android.os.IBinder; 20 21 /** 22 * Interface for monitoring the state of an application service. See 23 * {@link android.app.Service} and 24 * {@link Context#bindService Context.bindService()} for more information. 25 * <p>Like many callbacks from the system, the methods on this class are called 26 * from the main thread of your process. 27 */ 28 public interface ServiceConnection { 29 /** 30 * Called when a connection to the Service has been established, with 31 * the {@link android.os.IBinder} of the communication channel to the 32 * Service. 33 * 34 * @param name The concrete component name of the service that has 35 * been connected. 36 * 37 * @param service The IBinder of the Service's communication channel, 38 * which you can now make calls on. 39 */ 40 public void onServiceConnected(ComponentName name, IBinder service); 41 42 /** 43 * Called when a connection to the Service has been lost. This typically 44 * happens when the process hosting the service has crashed or been killed. 45 * This does <em>not</em> remove the ServiceConnection itself -- this 46 * binding to the service will remain active, and you will receive a call 47 * to {@link #onServiceConnected} when the Service is next running. 48 * 49 * @param name The concrete component name of the service whose 50 * connection has been lost. 51 */ 52 public void onServiceDisconnected(ComponentName name); 53 } 54
