Sending a Text Message Over the Phone Using SmsManager in Android

This article is about sending a text SMS over the phone using the SMSManager class in an Android application. For this, a basic knowledge of the fundamentals of android app development, creating a new project,  running an android app,  Views, and handling of click event buttons is required.

SMSManager class manages operations like sending a text message, data message, and multimedia messages (MMS). For sending a text message method sendTextMessage() is used likewise for multimedia message  sendMultimediaMessage() and for data message sendDataMessage() method is used. The details of each function are:

Function	Description
sendTextMessage()	sendTextMessage(String destinationAddress,  String scAddress, String text, PendingIntent sentIntent,  PendingIntent deliveryIntent, long messageId)
sendDataMessage()	sendDataMessage(String destinationAddress,  String scAddress, short destinationPort, byte[] data,  PendingIntent sentIntent, PendingIntent deliveryIntent)
sendMultimediaMessage()	sendMultimediaMessage(Context context,  Uri contentUri, String locationUrl,  Bundle configOverrides, PendingIntent sentIntent

Below is an example of a basic application that sends a text message.

Approach:

Step 1: Create a new Android Application.

Step 2: Go to AndroidManifest.xml.

app->Manifest->AndroidManifest.xml

Step 3: In AndroidManifest.xml add the permission to send SMS. It will permit an android application to send SMS.

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

AndroidManifest.xml