android 长按菜单的使用

//在创建时注册
registerForContextMenu(ctrList);



 /**************
     *生成长按菜单
     **************/
      @Override
      public void onCreateContextMenu(ContextMenu menu, View v,
              ContextMenuInfo menuInfo) {        
        if(v.getId()==R.id.list_Importing)
        {
             MenuInflater inflater = getMenuInflater(); 
               inflater.inflate(R.menu.black_list_context_menu_imporiting, menu);
        }else
        {          
          AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
          MenuInflater inflater = getMenuInflater(); 
          inflater.inflate(R.menu.black_list_context_menu, menu);     
          menu.setHeaderTitle(mList.get(info.position).num);          
        }
        super.onCreateContextMenu(menu, v, menuInfo);
      }

//处理菜单事件
 public boolean onContextItemSelected(MenuItem item) {   
            final AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
         //    info.position
            switch (item.getItemId()) {      
                case R.id.menu_item_delete_this:
                    break;
                case R.id.menu_item_delete_all:
                    break;
            }
      return super.onContextItemSelected(item); 
        }