//Define BroadcastReceiver public class MyReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { // get the bundles in the message final Bundle bundle = intent.getExtras(); // check the action equal to the action we fire in broadcast, if ( intent.getAction().equalsIgnoreCase("com.example.Broadcast")) //read the data from the intent Toast.makeText(context,bundle.getString("username"),Toast.LENGTH_LONG).show(); if ( intent.getAction().equalsIgnoreCase("android.provider.Telephony.SMS_RECEIVED")) { if (bundle != null) { final Object[] pdusObj = (Object[]) bundle.get("pdus"); SmsMessage[] messages = new SmsMessage[pdusObj.length]; for (int i = 0; i < messages.length; i++) { if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { String format = bundle.getString("format"); messages[i] = SmsMessage.createFromPdu((byte[]) pdusObj[i], format); } else { messages[i] = SmsMessage.createFromPdu((byte[]) pdusObj[i]); } // SmsMessage currentMessage = SmsMessage.createFromPdu((byte[]) pdusObj[i]); String senderNum =messages[i].getOriginatingAddress(); String message =messages[i].getMessageBody();// } } } /* add to AndroidManifest.xml */ // send sendBroadcast Intent intent = new Intent(); //set the action that will receive our broadcast intent.setAction("com.example.Broadcast"); // add data to the bundle intent.putExtra("username", "alxs1aa"); // send the data to broadcast sendBroadcast(intent); //send sms SmsManager smsManagersend = SmsManager.getDefault(); smsManagersend.sendTextMessage("phone number", null,"hellor from android", null, null); //start activity from //start activity Intent i = new Intent(context,MainActivity.class); // i.setClassName("com.test", "com.test.MainActivity"); i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.startActivity(i);