package exam.Testsocket;

import android.content.*;
import android.util.*;
import android.view.*;
import android.view.View.OnClickListener;
import android.widget.*;

public class C2dm_BroadcastReceiver extends BroadcastReceiver {
    
static String registration_id = null;
static String c2dm_msg = "";
TextView tv = null;
    @Override
    public void onReceive(Context context, Intent intent) {
   
    if (intent.getAction().equals("com.google.android.c2dm.intent.REGISTRATION")) {
   
    handleRegistration(context, intent);
   
    } else if (intent.getAction().equals("com.google.android.c2dm.intent.RECEIVE")) {
     tv = (TextView)findViewById(R.id.textView2);
    c2dm_msg = intent.getExtras().getString("msg");
   
    System.out.println("c2dm_msg======>"+c2dm_msg);
tv.setText("에코 메세지 도착 : \n" + c2dm_msg);
 
    }
    }
    
    private void handleRegistration(Context context, Intent intent) {
   
    registration_id = intent.getStringExtra("registration_id");    
    System.out.println("registration_id====>"+registration_id);    
    if (intent.getStringExtra("error") != null) {    
    Log.v("C2DM_REGISTRATION",">>>>>" + "Registration failed, should try again later." + "<<<<<");    
    } else if (intent.getStringExtra("unregistered") != null) {
    Log.v("C2DM_REGISTRATION",">>>>>" + "unregistration done, new messages from the authorized sender will be rejected" + "<<<<<");    
    } else if (registration_id != null) {    
    System.out.println("registration_id complete!!");
    }
    }   
}

서버로부터 받은 메시지를 텍스트뷰에 띄어보려고 하는데 밑줄친 부분이 자꾸 에러가 나네요.. Activity 다중상속은 안되고 implements 해야될꺼같은 느낌인데 으.. 답답합니다
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