动态地将项添加到PopupMenu组

I have a XML menu :

我有一个XML菜单:

<?xml version="1.0" encoding="utf-8"?>

<menu xmlns:android="https://schemas.android.com/apk/res/android">

    <group
        android:id="@+id/orders_filter_messages_group"
        android:checkableBehavior="all">

        <item
            android:id="@+id/orders_filter_messages_channel_1"
            android:title="@string/orders_filter_messages_channel_1" />

        <item
            android:id="@+id/orders_filter_messages_channel_2"
            android:title="@string/orders_filter_messages_channel_2" />

        <item
            android:id="@+id/orders_filter_messages_channel_3"
            android:title="@string/orders_filter_messages_channel_3" />

    </group>

</menu>
<?xml versio