@Override 
 public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { 
  // TODO Auto-generated method stub 
  super.onCreateContextMenu(menu, v, menuInfo);
  // 加载已定义好的布局menu.xml
  MenuInflater inflater = getMenuInflater();
  inflater.inflate(R.layout.menu, menu);
  // 或者用代码来实现菜单添加
  menu.setHeaderTitle("长按菜单-ContextMenu");
  menu.add(0, 0, 0, "弹出长按菜单0");
  menu.add(0, 1, 0, "弹出长按菜单1");
}

@Override
 public boolean onContextItemSelected(MenuItem item) {
  // TODO Auto-generated method stub
  AdapterContextMenuInfo infor = (AdapterContextMenuInfo)item.getMenuInfo();
  switch (item.getItemId()) {
  case R.id.help:
    return true;
  case R.id.addnew:
  }
}

@Override
  public void onContextMenuClosed(Menu menu) {
  // TODO Auto-generated method stub
  super.onContextMenuClosed(menu);
}

public void onCreateContextMenu(ContextMenu conMenu, View view , ContextMenuInfo info) {
  conMenu.setHeaderTitle("ContextMenu");
  conMenu.add(0, 0, 0, "Delete this favorite!");
  /* Add as many context-menu-options as you want to. */
 }
});

@Override
 public void onCreateContextMenu(ContextMenu menu, View v,
  ContextMenuInfo menuInfo) {
  // TODO Auto-generated method stub
  super.onCreateContextMenu(menu, v, menuInfo);
  //加载已定义好的布局menu.xml
  MenuInflater inflater = getMenuInflater();
  inflater.inflate(R.layout.menu, menu);
  //或者用代码来实现菜单添加
  menu.setHeaderTitle("长按菜单-ContextMenu");
  menu.add(0, 0, 0, "弹出长按菜单0");
  menu.add(0, 1, 0, "弹出长按菜单1");
  //在这里就可以添加实现子菜单的代码
  int base = menu.FIRST + 100;
  SubMenu sm = menu.addSubMenu(base, base + 1, Menu.NONE, "submenu");
  sm.add(base, base + 2, base + 2, "sub item1");
  sm.add(base, base + 3, base + 3, "sub item2");
}