Java Class for Android App: Premium SMS service using Parse.com

SMSListener.java

package com.leonelatencio.mysms;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.provider.Telephony;
import android.telephony.SmsManager;
import android.telephony.SmsMessage;
import android.util.Log;

import com.parse.FindCallback;
import com.parse.GetCallback;
import com.parse.ParseException;
import com.parse.ParseObject;
import com.parse.ParseQuery;

import java.util.List;

/**
 * Created by Leonel on 18-04-2015.
 */

public class SmsListener extends BroadcastReceiver {

    @Override
    public void onReceive(Context context, Intent intent) {
        if (Telephony.Sms.Intents.SMS_RECEIVED_ACTION.equals(intent.getAction())) {
            for (SmsMessage smsMessage : Telephony.Sms.Intents.getMessagesFromIntent(intent)) {
                final String messageBody = smsMessage.getMessageBody();
                final String messageFrom = smsMessage.getOriginatingAddress();

                //Log Received SMS
                Log.d("SMS", "Message received: " + messageBody + " From: " + messageFrom);

                //Save received SMS to Parse
                ParseObject testObject = new ParseObject("SMSRec");
                testObject.put("From", messageFrom);
                testObject.put("Message", messageBody);
                testObject.saveInBackground();

                //Query Reply Message in Parse
                ParseQuery<ParseObject> query = ParseQuery.getQuery("SMSContent");
                query.whereEqualTo("keyWord", messageBody);
                query.getFirstInBackground(new GetCallback<ParseObject>() {
                    public void done(ParseObject object, ParseException e) {
                        if (object == null) {
                            Log.d("SMS", "Cant find a response.");
                        } else {
                            String responseBody = object.getString("responseText");
                            Log.d("SMS", "Found a response to" + messageBody + ":/n" + responseBody);

                            //Finally, try to send SMS.
                            sendSMS(messageFrom, responseBody);
                        }
                    }
                });

            }
        }
    }

    public void sendSMS(String replyTo, String replyBody){
        try {
            SmsManager smsManager = SmsManager.getDefault();
            smsManager.sendTextMessage(replyTo, null, replyBody, null, null);

            //Log sent message.
            Log.d("SMS", "Sending message: " + replyBody + " To: " + replyTo);

        } catch (Exception ex) {
            //Log failed SMS.
            Log.d("SMS", "Sending failed: " + replyBody + " To: " + replyTo);
        }
    }

}

This is a Java Class for listening incoming SMS, checking its content, looking the keyword in parse.com class and aswering the SMS with the matching response.

You will need to include Parse.com JAR and initialize the app with your unique key.