올려주신 코드로는 activity 전환 잘 됩니다만;;;

에러는 안뜨는데  메뉴버튼을 누르면 아무것도 안나와요 ㅜㅜ

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.Toast;
import android.view.View.OnClickListener;
import android.view.*;

public class Option extends Activity {
    public static final int MENU1 = Menu.FIRST + 1;
    public static final int MENU2 = Menu.FIRST + 2;
    public static final int MENU3 = Menu.FIRST + 3;
  
    
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.option);
        Button btnCall=(Button)findViewById(R.id.a5);
        Button btnCall2=(Button)findViewById(R.id.a);
        btnCall.setOnClickListener(new Button.OnClickListener(){
         public void onClick(View v){
          Intent intent =new Intent(Option.this,List1.class);
          startActivity(intent);
         }
         
        });
        btnCall2.setOnClickListener(new Button.OnClickListener(){
         public void onClick(View v){
          Intent intent =new Intent(Option.this,List2.class);
          startActivity(intent);
         }
         
        });
       
    }
  

  
    public boolean onCreateOptionsMenu(Menu menu) {
      menu.add(Menu.NONE, MENU1, Menu.NONE, "홈").setIcon(R.drawable.h);
         menu.add(Menu.NONE, MENU2, Menu.NONE, "지도").setIcon(R.drawable.d);
         menu.add(Menu.NONE, MENU3, Menu.NONE, "동영상").setIcon(R.drawable.v);
        
      
       
        return true;
    }   
   
    public boolean onOptionsItemSelected1(MenuItem item) {
     switch (item.getItemId()) {
     case MENU1 :
   startActivity(new Intent(this, Chug1.class));
   return(true);

     }
     return(super.onOptionsItemSelected(item));

    }
  

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        return true;
    }

    public boolean onOptionsItemSelected(MenuItem item) {
        Toast.makeText(this, item.getTitle(), Toast.LENGTH_SHORT).show();
       
        return false;
    }
}
이게 소스코드 인데 에러가 안뜨니 머가 잘못된 건지 모르겠네요 ㅜㅜ

onOptionsItemSelected1 메소드 안의 내용을 onOptionsItemSelected에다 넣어주세요....