How To Send SMS Message In Android  ?

  SmsManager smsManager = SmsManager.getDefault();
smsManager.sendTextMessage("phoneNo", null, "sms message", null, null);

Intent intent = new Intent(Intent.ACTION_VIEW);
intent.putExtra("sms_body", "Hii.....  i m Naveen Tamrakar an Android Developer from 
        Sehore(Bhopal)"); 
intent.setType("vnd.android-dir/mms-sms");
startActivity(intent);

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