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如何在不使用操作栏的情况下确保 ICS 选项菜单仍然打开？如果我没有操作栏，则在打开菜单按钮时会显示旧样式。如果我包含 ActionBar 但将其隐藏，则菜单会在单击菜单时打开并立即消失。我能做些什么？