Create an application to send message between two emulators.

Pro21Activity.java

package ps.pro21;

import android.app.Activity;
import android.os.Bundle;
import android.telephony.gsm.SmsManager;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;

public class Pro21Activity extends Activity implements OnClickListener {
    /**
     *  www.master-gtu.blogspot.com
     *  pankaj sharma(8460479175),
     *  chavda vijay(8460420769) 
     */
 EditText ednumber, edmsg;
 Button btsend;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        ednumber=(EditText) findViewById(R.id.editTextnumber);
        edmsg=(EditText) findViewById(R.id.EditTextmsg);
        btsend=(Button) findViewById(R.id.buttonsend);
        
        btsend.setOnClickListener(this);
    }
    private void sendsms(String num,String msg)
    {
     SmsManager sms=SmsManager.getDefault();
     sms.sendTextMessage(num, null, msg, null, null);
    }
 @Override
 public void onClick(View arg0) {
  // TODO Auto-generated method stub
  sendsms(ednumber.getText().toString(),edmsg.getText().toString());;
 }
}