Android SMS respondser tutorial

Create a project with the name SmsResponser and have a main activity with the name SMSResponser.java with following code


package com.jiteshsmsresponser;


import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

public class SMSResponser extends Activity {

TextView tv1;
EditText ed1;
Button bt1;
SharedPreferences myprefs;
Editor updater;
String reply=null;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        myprefs = PreferenceManager.getDefaultSharedPreferences(this);
        tv1 = (TextView) this.findViewById(R.id.display);
        ed1 = (EditText) this.findViewById(R.id.editText);
        bt1 = (Button) this.findViewById(R.id.submit);
        reply = myprefs.getString("reply", "Thank you for your message. I am busy now. I will call you later");
        tv1.setText(reply);
        updater = myprefs.edit();
        ed1.setHint(reply);
        bt1.setOnClickListener(new OnClickListener(){
    public void onClick(View view){
    updater.putString("reply", ed1.getText().toString());
    updater.commit();
    SMSResponser.this.finish();
   
    }
    });        
        
try {
   // start Service
     Intent svc = new Intent(this, ResponserService.class);
     startService(svc);
}
catch (Exception e) {
   Log.e("onCreate", "service creation problem", e);
}
    }
    
    
}

make another java class with the name ResponserService.java with following code


package com.jiteshsmsresponser;



import java.util.ArrayList;

import android.app.Activity;
import android.app.PendingIntent;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.IBinder;
import android.preference.PreferenceManager;
import android.telephony.SmsManager;
import android.telephony.SmsMessage;
import android.util.Log;
import android.webkit.WebView;
import android.widget.Toast;

public class ResponserService extends Service {

//The Action fired by the Android-System when a SMS was received.
private static final String RECEIVED_ACTION = "android.provider.Telephony.SMS_RECEIVED";
private static final String SENT_ACTION="SENT_SMS";
private static final String DELIVERED_ACTION="DELIVERED_SMS";

String requester;
String reply="";  
SharedPreferences myprefs;



@Override
public void onCreate() {
// TODO Auto-generated method stub
super.onCreate();
        myprefs = PreferenceManager.getDefaultSharedPreferences(this);

        
   registerReceiver(sentReceiver, new IntentFilter(SENT_ACTION));
   registerReceiver(deliverReceiver, new IntentFilter(DELIVERED_ACTION));
       
   IntentFilter receiverfilter = new IntentFilter(RECEIVED_ACTION);
        registerReceiver(receiver, receiverfilter);
        
        IntentFilter sendfilter = new IntentFilter(SENT_ACTION);
        registerReceiver(sender,sendfilter);
}

    private BroadcastReceiver sender = new BroadcastReceiver(){
    @Override
    public void onReceive(Context c, Intent i)
    {
    if(i.getAction().equals(SENT_ACTION))
    {
    if(getResultCode() != Activity.RESULT_OK)
    {
    String reciptent = i.getStringExtra("recipient");
    requestReceived(reciptent);
    }
    }
    }
    };
    BroadcastReceiver sentReceiver = new BroadcastReceiver(){
        @Override public void onReceive(Context c, Intent in) {
            switch(getResultCode()){

                case Activity.RESULT_OK:
                    //sent SMS message successfully;
                smsSent();
                    break;
                default:
                    //sent SMS message failed
                smsFailed();
                    break;
             }

         }

    };
    
    public void smsSent(){
    Toast.makeText(this, "SMS sent", Toast.LENGTH_SHORT);
    }
    public void smsFailed(){
    Toast.makeText(this, "SMS sent failed", Toast.LENGTH_SHORT);
    }
    public void smsDelivered(){
    Toast.makeText(this, "SMS delivered", Toast.LENGTH_SHORT);
    }
   BroadcastReceiver deliverReceiver = new BroadcastReceiver(){

        @Override public void onReceive(Context c, Intent in) {

            //SMS delivered actions
        smsDelivered();
        }    
    };
    public void requestReceived(String f)
    {
    Log.v("ResponserService","In requestReceived");
    requester=f;

    }

    BroadcastReceiver receiver = new BroadcastReceiver()
    {
    @Override
    public void onReceive(Context c, Intent in)
    {
    Log.v("ResponserService","On Receive");
    reply="";
    if(in.getAction().equals(RECEIVED_ACTION))
    {
        Log.v("ResponserService","On SMS RECEIVE");

    Bundle bundle = in.getExtras();
    if(bundle!=null)
    {
    Object[] pdus = (Object[])bundle.get("pdus");
    SmsMessage[] messages = new SmsMessage[pdus.length];
    for(int i = 0; i<pdus.length; i++)
    {
        Log.v("ResponserService","FOUND MESSAGE");
    messages[i]=SmsMessage.createFromPdu((byte[])pdus[i]);
    }
    for(SmsMessage message: messages)
    {
    requestReceived(message.getOriginatingAddress());
    }
    respond();
    }
    }

    }
    };


@Override
public void onStart(Intent intent, int startId) {
// TODO Auto-generated method stub
super.onStart(intent, startId);

}


    public void respond()
    {
    Log.v("ResponserService","Responing to "+requester);
        reply = myprefs.getString("reply", "Thank you for your message. I am busy now. I will call you later");
    SmsManager sms = SmsManager.getDefault();
    Intent sentIn = new Intent(SENT_ACTION);
    PendingIntent sentPIn = PendingIntent.getBroadcast(this,0,sentIn,0);

    Intent deliverIn = new Intent(DELIVERED_ACTION);
    PendingIntent deliverPIn = PendingIntent.getBroadcast(this,0,deliverIn,0);
   
        ArrayList<String> Msgs = sms.divideMessage(reply);
        ArrayList<PendingIntent> sentIns = new ArrayList<PendingIntent>();
        ArrayList<PendingIntent> deliverIns = new ArrayList<PendingIntent>();

        for(int i=0; i< Msgs.size(); i++){
        sentIns.add(sentPIn);
            deliverIns.add(deliverPIn);
        }
     
        sms.sendMultipartTextMessage(requester, null, Msgs, sentIns, deliverIns);
        WebView wb = new WebView(this);
        
    }


@Override
public void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
unregisterReceiver(receiver);
unregisterReceiver(sender);

}
@Override
public IBinder onBind(Intent arg0) {
// TODO Auto-generated method stub
return null;
}

}

the main.xml is having the following layout

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

<TextView  

android:id="@+id/display"

   android:layout_width="fill_parent" 

   android:layout_height="wrap_content" 

   android:text="@string/hello_world"

   android:textSize="18dp"

   />

   <Button

  android:id="@+id/submit"

   android:layout_width="wrap_content"

   android:layout_height="wrap_content"

   android:text="Change my response"

   />

   <EditText    

  android:id="@+id/editText"

   android:layout_width="fill_parent"

   android:layout_height="fill_parent"

   />

</LinearLayout>

the mainifest is as shown below

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.jiteshsmsresponser"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="15" />

    <application

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name=".SMSResponser"

            android:label="@string/title_activity_smsresponser" >

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

          <service android:enabled="true" android:name=".ResponserService"></service>

    </application>

<uses-permission android:name="android.permission.RECEIVE_SMS"/>

    <uses-permission android:name="android.permission.SEND_SMS"/>

</manifest>

the source code can be downloaded from the link MSRESPONSER