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      1 /*
      2  * Copyright (C) 2012 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 com.android.smsautoreply;
     18 
     19 import android.app.Activity;
     20 import android.content.BroadcastReceiver;
     21 import android.content.Context;
     22 import android.content.Intent;
     23 import android.content.IntentFilter;
     24 import android.net.ConnectivityManager;
     25 import android.os.Bundle;
     26 import android.os.Environment;
     27 import android.telephony.SmsManager;
     28 import android.telephony.SmsMessage;
     29 import android.util.Log;
     30 
     31 import java.io.File;
     32 import java.io.FileOutputStream;
     33 import java.io.IOException;
     34 import java.text.SimpleDateFormat;
     35 import java.util.Date;
     36 
     37 /**
     38  * A sms reply activity which auto-replies the received sms message to the sender
     39  * This is used as the receiver for 1:M sms stress test.
     40  * Keep the app in the foreground when running the test.
     41  */
     42 public class AutoReplyActivity extends Activity {
     43     private static final String TAG = "AutoReplyActivity";
     44     private static final String LOG_FILE = "received_sms_log.txt";
     45     private SmsMessageReceiver mSmsMsgReceiver = null;
     46 
     47     @Override
     48     public void onCreate(Bundle savedInstanceState) {
     49         super.onCreate(savedInstanceState);
     50         setContentView(R.layout.main);
     51         mSmsMsgReceiver = new SmsMessageReceiver();
     52         registerReceiver(mSmsMsgReceiver,
     53                 new IntentFilter("android.provider.Telephony.SMS_RECEIVED"));
     54     }
     55 
     56     private class SmsMessageReceiver extends BroadcastReceiver {
     57         @Override
     58         public void onReceive(Context context, Intent intent) {
     59             Bundle extras = intent.getExtras();
     60             if (extras == null)
     61                 return;
     62 
     63             Object[] pdus = (Object[]) extras.get("pdus");
     64 
     65             for (int i = 0; i < pdus.length; i++) {
     66                 SmsMessage message = SmsMessage.createFromPdu((byte[]) pdus[i]);
     67                 Log.d(TAG, String.format("SMS received from %s, body: %s",
     68                         message.getOriginatingAddress(), message.getMessageBody()));
     69                 logMessage(message);
     70                 replyMessage(context, message);
     71             }
     72         }
     73 
     74         // Log received sms message into an output file
     75         private void logMessage(SmsMessage msg) {
     76             File logFile = new File(Environment.getExternalStorageDirectory(), LOG_FILE);
     77 
     78             String logMsg = String.format("SMS: from: %s body: %s",
     79                     msg.getOriginatingAddress(),msg.getMessageBody());
     80             try {
     81                 String currentDateTimeString =
     82                     new SimpleDateFormat("MM-dd HH:mm:ss.SSS").format(new Date());
     83                 logMsg = String.format("%s: %s\n", currentDateTimeString, logMsg);
     84                 FileOutputStream fos = new FileOutputStream(logFile, true);
     85                 fos.write(logMsg.getBytes());
     86                 fos.flush();
     87                 fos.close();
     88             } catch (IOException ioe) {
     89                 Log.e(TAG, "failed to log SMS", ioe);
     90                 Log.d(TAG, logMsg);
     91             }
     92         }
     93 
     94         private void replyMessage(Context context, SmsMessage msg) {
     95             SmsManager sms = SmsManager.getDefault();
     96             String message = msg.getMessageBody();
     97             sms.sendTextMessage(msg.getOriginatingAddress(), null, message, null, null);
     98         }
     99     }
    100 
    101     @Override
    102     protected void onPause() {
    103         super.onPause();
    104         if (mSmsMsgReceiver != null) {
    105             unregisterReceiver(mSmsMsgReceiver);
    106         }
    107     }
    108 }
    109