Saturday, November 3, 2012

How To Receive SMS in Android


In this tutorial we will learn how to Receive a SMS and retrieve the Message and Sender's Phone Number.

To learn How to Send SMS read this How to Send SMS

We need to have a receiver class that will extend BroadcastReceiver class.
To receive SMS we to declare <uses-permission android:name="android.permission.RECEIVE_SMS"> in manifest file

Some More Good  Android Topics

Create a new Class SMSReceiver
In manifest we need to register  the SMSReceiver like this

<receiver android:name=".SmsReceiver"> 
            <intent-filter> 
                <action android:name=
                    "android.provider.Telephony.SMS_RECEIVED" /> 
            </intent-filter> 
 </receiver>

Your manifest file should look like this



<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="net.learn2develop.SMSMessaging"
      android:versionCode="1"
      android:versionName="1.0.0">
 
 <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".SMS"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>        
 
        <receiver android:name=".SmsReceiver"> 
            <intent-filter> 
                <action android:name=
                    "android.provider.Telephony.SMS_RECEIVED" /> 
            </intent-filter> 
        </receiver>
 
    </application>
    <!-- Permission to Receive SMS  -->
    <uses-permission android:name="android.permission.RECEIVE_SMS">
    </uses-permission>
</manifest>
 
 

SMSReceiver class


public class SmsReceiver extends BroadcastReceiver
{
    @Override
    public void onReceive(Context context, Intent intent) 
    {
        //---get the SMS message passed in---
        Bundle bundle = intent.getExtras();        
        SmsMessage[] msgs = null;
        String messageReceived = "";            
        if (bundle != null)
        {
            //---retrieve the SMS message received---
           Object[] pdus = (Object[]) bundle.get("pdus");
            msgs = new SmsMessage[pdus.length];            
            for (int i=0; i<msgs.length; i++)
            {
                msgs[i] = SmsMessage.createFromPdu((byte[])pdus[i]);                
                messageReceived += msgs[i].getMessageBody().toString();
                messageReceived += "\n";        
            }
 
            //---display the new SMS message---
            Toast.makeText(context, messageReceived, Toast.LENGTH_SHORT).show();
            // Get the Sender Phone Number
           String senderPhoneNumber=msgs[0].getOriginatingAddress ();   
       }                         
    }
}

To get the Sender's Number use msgs[0].getOriginatingAddress ()


To learn How to Send SMS read this How to Send SMS



 

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Android ImageSwitcher                    Android TextSwitcher                                Android ViewFlipper
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Understanding Layouts in Android                                                   Using Buttons and EditText in Android
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7 comments:

  1. I like the article on the topic due to this reason it is seen that other readers are showing their interest by commenting on it.
    sms message

    ReplyDelete
  2. how can i get one character only ????

    ReplyDelete
  3. i had an error on String senderPhoneNumber=msgs.getOriginatingAddress ();
    it says that it cannot invoke getOriginatingAddress() on the array type SmsMessage[]
    how can i fix this? thanks :)

    ReplyDelete
    Replies
    1. Hi Baby Ace
      thanks for letting me know that error.
      You should write the code like below to get the sender phone number.

      String senderPhoneNumber=msgs[0].getOriginatingAddress ();

      Delete
  4. How can I detect which SIM ( Samsung Dual SIM phone ) has received SMS ? Its very important to have dual sim for me in this app.

    Thanks in advance

    ReplyDelete
    Replies
    1. is there a way to read messages from dual sim phone ?

      Delete
  5. Nice tutorial.

    It is easy to make this app take any action on receipt of an sms (eg. make it reply with an automated message). My question is, is there a way to make it take an action on receipt of the first message and then wait for a second message from the same number before taking a second action (say, replying with another automated message)?

    Thanks

    ReplyDelete