Project: Send SMS using SmsManager API in Android Studio with Source Code

Objective

This example is using the smsManager API to send out the SMS message.

Output

Step 1 Android Layout

Path: res >> layout > main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/linearLayout1"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >
 
    <TextView
        android:id="@+id/textViewPhoneNo"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Enter Phone Number : "
        android:textAppearance="?android:attr/textAppearanceLarge" />
 
    <EditText
        android:id="@+id/editTextPhoneNo"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:phoneNumber="true" >
    </EditText>
 
    <TextView
        android:id="@+id/textViewSMS"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Enter SMS Message : "
        android:textAppearance="?android:attr/textAppearanceLarge" />
 
    <EditText
        android:id="@+id/editTextSMS"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:inputType="textMultiLine"
        android:lines="5"
        android:gravity="top" />
 
    <Button
        android:id="@+id/buttonSend"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Send" />
 
</LinearLayout>

Step 2 SendSMSActivity.java

SendSMSActivity.java Activity to send SMS via smsManager.

public class SendSMSActivity extends Activity {
 
Button buttonSend;
EditText textPhoneNo;
EditText textSMS;
 
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
 
buttonSend = (Button) findViewById(R.id.buttonSend);
textPhoneNo = (EditText) findViewById(R.id.editTextPhoneNo);
textSMS = (EditText) findViewById(R.id.editTextSMS);
 
buttonSend.setOnClickListener(new OnClickListener() {
 
@Override
public void onClick(View v) {
 
String phoneNo = textPhoneNo.getText().toString();
String sms = textSMS.getText().toString();
 
try {
SmsManager smsManager = SmsManager.getDefault();
smsManager.sendTextMessage(phoneNo, null, sms, null, null);
Toast.makeText(getApplicationContext(), "SMS Sent!",
Toast.LENGTH_LONG).show();
} catch (Exception e) {
Toast.makeText(getApplicationContext(),
"SMS faild, please try again later!",
Toast.LENGTH_LONG).show();
e.printStackTrace();
}
 
}
});
 
}
}

To know more about SMSManager please refer:

• http://developer.android.com/reference/android/telephony/SmsManager.html

Step 3 Add Permission into Manifest file.

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

I hope you enjoy this tutorial and it would be helpful to you.