버튼을 누르면 비프음이 나는 어플을 만들었거든요...

계속 수정해봐도 오류는 계속나오네요...

해결 방법 없나요?

package com.Moktak2;

import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MotkatSound extends Activity {
 
 public static int displayWidth;
 public static int displayHeight;
 /** Variance           */
 Button moktak2;
 Button bell;
 private OnClickListener onClickDCode;
 
 /** Called when the activity is first created.    */
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  moktak2 = (Button)findViewById(R.id.moktak2);
  bell = (Button)findViewById(R.id.bell);

  
     moktak2.setOnClickListener(onClickCCode);
     bell.setOnClickListener(onClickDCode);
  
 }
 
 public View.OnClickListener onClickCCode= new View.OnClickListener ()
 {
  @Override
  public void onClick(View v)
  {
   //TODO Auto-generated method stub
   
   MediaPlayer player;
   
   player = MediaPlayer.create(MotkatSound.this, R.raw.moktak);
   player.start();
   }
 public View.OnClickListener onClickDCode = new View.OnClickListener ()
 {
  @Override
  public void onClick(View v)
  {
   //TODO Auto-generated method stub
   
   MediaPlayer player;
   
   player = MediaPlayer.create(MotkatSound.this, R.raw.bell);
   player.start();
  }
 }; 
};}