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.os; 18 19 import android.app.Service; 20 import android.content.Intent; 21 import android.os.RemoteException; 22 import android.os.IBinder; 23 import android.os.Handler; 24 import android.os.Message; 25 import android.os.Messenger; 26 27 public class MessengerService extends Service { 28 private final Handler mHandler = new Handler() { 29 @Override 30 public void handleMessage(Message msg) { 31 Message reply = Message.obtain(); 32 reply.copyFrom(msg); 33 try { 34 msg.replyTo.send(reply); 35 } catch (RemoteException e) { 36 } 37 } 38 }; 39 40 private final Messenger mMessenger = new Messenger(mHandler); 41 MessengerService()42 public MessengerService() { 43 } 44 45 @Override onBind(Intent intent)46 public IBinder onBind(Intent intent) { 47 return mMessenger.getBinder(); 48 } 49 } 50 51