高分子社交图标不能在子菜单上工作

我正在试图做一个带有图标的子菜单，其中一些是来自社交图标集，但我不知道为什么不显示。这里是我的代码，也许我错过了一些东西。高分子社交图标不能在子菜单上工作

<script src="../bower_components/webcomponentsjs/webcomponents.js"></script> 
<link rel="import" href="../bower_components/polymer/polymer.html">  
<link rel="import" href="../bower_components/core-menu/core-menu.html"> 
<link rel="import" href="../bower_components/core-item/core-item.html"> 
<link rel="import" href="../bower_components/core-menu/core-submenu.html">  
<link href="../bower_components/core-icon/core-icon.html" rel="import"> 
<link href="../bower_components/core-icons/core-icons.html" rel="import">  
<link href="../bower_components/core-icons/editor-icons.html" rel="import"> 
<link href="../bower_components/core-icons/social-icons.html" rel="import">  
<link href="../bower_components/core-icons/hardware-icons.html" rel="import"> 

<core-menu> 
    <core-submenu icon="cloud" label="Accounts"> 
     <core-item id="used_quota" icon="hardware:memory" label="Used quota" class="menu_item core-selected" horizontal="" center="" layout=""></core-item> 
     <core-item id="disabled_accounts" class="menu_item" icon="remove-circle" label="Disabled accounts" horizontal="" center="" layout=""></core-item> 
     <core-item id="used_licenses" class="menu_item" icon="verified-user" label="Used Licenses" horizontal="" center="" layout=""></core-item> 
     <core-item id="suspended_accounts" icon="report" label="Suspended accounts" class="menu_item" horizontal="" center="" layout=""></core-item>  
    </core-submenu> 

    <core-submenu icon="today" label="Calendar">   
    </core-submenu> 

    <core-submenu icon="insert-drive-file" label="Docs">   
    </core-submenu> 

    <core-submenu icon="mail" label="Gmail"> 
     <core-item id="emails_exchanged" icon="send" label="Emails exchanged" class="menu_item" horizontal="" center="" layout=""></core-item> 
     <core-item id="emails_received" icon="inbox" label="Emails received" class="menu_item" horizontal="" center="" layout=""></core-item> 
    </core-submenu> 

    <core-submenu icon="social-icons:plus-one" label="Google +"> 
    </core-submenu> 

    <core-submenu icon="phone-android" label="Mobile"> 
    </core-submenu>

来源

2015-02-10 Dade

最后我发现的错误。图标集错了，正确的只是“社交”而不是“社交图标”

<core-submenu icon="social:plus-one" label="Google +"></core-submenu>

来源

2015-02-10 09:35:04 Dade

高分子社交图标不能在子菜单上工作

回答

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