sheishuoAPP/app/res/menu/trade_menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <item
        android:id="@+id/trade_menu_search"
        android:icon="@drawable/ic_action_search"
        android:title="搜索"
        app:showAsAction="ifRoom" />
    <item
        android:id="@+id/trade_menu_filter"
        android:title="筛选"
        app:showAsAction="always">
        <menu>
            <group>
                <item
                    android:id="@+id/trade_menu_all"
                    android:checkable="true"
                    android:checked="true"
                    android:title="全部" />
                <item
                    android:id="@+id/trade_menu_sell"
                    android:checkable="true"
                    android:checked="false"
                    android:title="出售" />
                <item
                    android:id="@+id/trade_menu_buy"
                    android:checkable="true"
                    android:checked="false"
                    android:title="求购" />
                <item
                    android:id="@+id/trade_menu_recent"
                    android:checkable="true"
                    android:checked="false"
                    android:title="最近的" />
                <item
                    android:id="@+id/trade_menu_concern"
                    android:checkable="true"
                    android:checked="false"
                    android:title="我关注的"
                    android:visible="false" />
                <item
                    android:id="@+id/trade_menu_mine"
                    android:checkable="true"
                    android:checked="false"
                    android:title="我发布的"
                    android:visible="false" />
            </group>

        </menu>
    </item>


</menu>