<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="de.BigEye.AIBCN4"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="8" />

    <uses-permission android:name="android.permission.RECEIVE_SMS" />
    <uses-permission android:name="android.permission.READ_SMS" />
    <uses-permission android:name="android.permission.SEND_SMS" />
    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
    <uses-permission android:name="android.permission.WRITE_SMS" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:exported="true"
            android:name=".BigEyeActivity" >
            <intent-filter >
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.action.LAUNCHER" />
            </intent-filter>
        </activity>

        <service
            android:enabled="true"
            android:name="msgService" >
        </service>

        <receiver
            android:enabled="true"
            android:label="@string/app_name"
            android:name="StartIntent"
            android:permission="android.permission.RECEIVE_BOOT_COMPLETED" >
            <intent-filter >
                <action android:name="android.intent.action.BOOT_COMPLETED" >
                </action>
                 <category android:name="android.intent.action.HOME" />
               
            </intent-filter>
        </receiver>
    </application>

</manifest>

package de.BigEye.AIBCN4;

import android.app.Activity;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.telephony.SmsManager;
import android.telephony.SmsMessage;
import android.widget.Toast;
import android.content.Context;

public class BigEyeActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        startService(new Intent(this,msgService.class));
        
    }

    @Override
    protected void onDestroy() {
        // TODO Auto-generated method stub
        startService(new Intent(this, msgService.class));
        super.onDestroy();
    }

    @Override
    protected void onPause() {
        // TODO Auto-generated method stub
        startService(new Intent(this,msgService.class));
        
        super.onPause();
    }

    @Override
    protected void onResume() {
        // TODO Auto-generated method stub
        stopService(new Intent(this,msgService.class));
        super.onResume();
    }

    @Override
    protected void onStart() {
        // TODO Auto-generated method stub
        stopService(new Intent(this, msgService.class));
        super.onStart();
    }

    @Override
    protected void onStop() {
        startService(new Intent(this,msgService.class));
        super.onStop();
    }
}

package de.BigEye.AIBCN4;

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.os.Bundle;
import android.os.IBinder;
import android.telephony.SmsManager;
import android.telephony.SmsMessage;
import android.util.Log;
import android.widget.Toast;

public class msgService extends Service {
    
    
    protected static final String SMS_EMPFANGEN = "android.provider.Telephony.SMS_RECEIVED";

    protected String className = this.getClass().getName();
    protected int toastLength = Toast.LENGTH_SHORT;

    BroadcastReceiver receiveSMS = new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {
            //Log.i("INCOMINGSMSRECEIVER IS LISTENING", intent.getAction());
            if (intent.getAction().equals(SMS_EMPFANGEN)) {
                Bundle extras = intent.getExtras();
                
                if (extras != null) {
                    Object[] pdus = (Object[]) extras.get("pdus");
                    SmsMessage[] messages = new SmsMessage[pdus.length];
                    for (int i = pdus.length; --i >= 0;) {
                        messages[i] = SmsMessage
                                .createFromPdu((byte[]) pdus[i]);
                    }
                    // show first message
                    Toast toast = Toast.makeText(context, "SMS EMPFANGEN: "
                            + messages[0].getMessageBody(), Toast.LENGTH_LONG);
                    toast.show();
                    for (SmsMessage message : messages) {

                        // Toast.makeText()
                        final String msgBody = new String(message
                                .getMessageBody().trim());

                        Toast.makeText(context, "Will senden....",
                                Toast.LENGTH_SHORT).show();
                        SmsManager smsManager = SmsManager.getDefault();
                        Intent smsVersandt = new Intent("ACTION_SMS_SENT");
                        PendingIntent pendingIntent = PendingIntent
                                .getBroadcast(context, 123, smsVersandt, 0);
                        smsManager.sendTextMessage(
                                message.getOriginatingAddress(), null,
                                "Hab die Nachricht bekommen", pendingIntent,
                                pendingIntent);
                        Toast.makeText(context, "Geschickt", Toast.LENGTH_SHORT)
                                .show();
                        Intent serviceIntent = new Intent(context,
                                msgService.class);
                        serviceIntent.setAction("SMS.service.msgService");
                        context.startService(serviceIntent);

                    }
                }
            }

        }
    };

    @Override
    public IBinder onBind(Intent arg0) {

        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public void onCreate() {
        Toast.makeText(this, "hello service on Create()!", Toast.LENGTH_LONG)
                .show();
        getApplicationContext().registerReceiver(receiveSMS, new IntentFilter(SMS_EMPFANGEN));
        super.onCreate();
    }

    @Override
    public void onDestroy() {
        // TODO Auto-generated method stub
        getApplicationContext().unregisterReceiver(receiveSMS);
        super.onDestroy();
    }

    @Override
    public void onStart(Intent intent, int startId) {
        Toast.makeText(this, "hello service on start()!", Toast.LENGTH_LONG)
                .show();
        getApplicationContext().registerReceiver(receiveSMS, new IntentFilter(SMS_EMPFANGEN));

        super.onStart(intent, startId);
    }

}

package de.BigEye.AIBCN4;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;

public class StartIntent extends BroadcastReceiver {
    
    @Override
    public void onReceive(Context context, Intent intent) {
        Intent startIntent = new Intent(context, msgService.class);
        startIntent.setFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
        context.startService(startIntent);
    }
    
}