GCM 관련 질문입니다. [closed]

Question

package com.krGCM_PHONE_LOCK;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Vibrator;
import android.util.Log;
import android.widget.Toast;
import com.google.android.gcm.GCMBaseIntentService;

import java.util.Iterator;

/**
 * Created with IntelliJ IDEA.
 * User: Parkjeehwan
 * Date: 13. 6. 8
 * Time: 오후 6:16
 * To change this template use File | Settings | File Templates.
 */
public class GCMIntentService extends GCMBaseIntentService {

    private static final String SENDER_ID = "136";
    private static final String TAG = "GCMIntentService";

    public GCMIntentService(){
        this(SENDER_ID);
    }

    public GCMIntentService(String senderId) {
        super(senderId);
    }


    @Override
    protected void onMessage(Context context, Intent intent) {
        //To change body of implemented methods use File | Settings | File Templates.

        Vibrator vibrator = (Vibrator)getSystemService(context.VIBRATOR_SERVICE);
        vibrator.vibrate(1000);

        Toast.makeText(this, "HelloWorld", 1000 );

        Bundle b = intent.getExtras();
        Iterator<String> iterator = b.keySet().iterator();
        while(iterator.hasNext()) {
            String key = iterator.next();
            String value = b.get(key).toString();
            Log.d(TAG, "onMessage. "+key+" : "+value);
        }
    }

    @Override
    protected void onError(Context context, String s) {
        //To change body of implemented methods use File | Settings | File Templates.
        Log.d("ERROR", "errorId : "+s);
    }

    @Override
    protected void onRegistered(Context context, String s) {
        //To change body of implemented methods use File | Settings | File Templates.
        Log.d("onRegistered", "onRegistered - regId : "+s);
    }

    @Override
    protected void onUnregistered(Context context, String s) {
        //To change body of implemented methods use File | Settings | File Templates.

    }
}

package com.krGCM_PHONE_LOCK;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import com.google.android.gcm.GCMRegistrar;

public class MyActivity extends Activity {
    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        GCMRegistrar.checkDevice(this);
        GCMRegistrar.checkManifest(this);

        final String regId = GCMRegistrar.getRegistrationId(this);

        if (regId.equals("")) {
            GCMRegistrar.register(this, "1");
        } else {
            Log.d("MyActivity", "oncreated regId = "+regId);
            Log.d("MyActivity", "already registered.");
        }

    }


}

현재 A 폰에서 버튼을 누르면 B폰으로 메시지가 전송되는 것을 만드려고 합니다.

잘 안되네요... 도움의 손길을 주세요... ㅠ.ㅠ