如何在“搜索小部件”建议对话框中更改查询细化按钮的颜色？

Question

我正在操作栏中使用搜索窗口小部件。默认情况下，建议对话框在背景中为黑色，文本和查询优化图标为白色。我将对话框的背景更改为白色，并将建议文本颜色更改为黑色。但是我无法找到如何将查询细化按钮的颜色更改为黑色，以使其在白色对话框中可见。

Styles.xml

<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
    <!-- Customize your theme here. -->
    <item name="colorPrimary">@color/colorPrimary</item>
    <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
    <item name="colorAccent">@color/colorAccent</item>
    <item name="actionMenuTextAppearance">@style/MenuItemTextAppearance</item>

    <item name="android:autoCompleteTextViewStyle">@style/myAutoCompleteTextViewStyle
    </item>
    <item name="android:textAppearanceSearchResultTitle">@style/mySearchResult</item>

</style>

<style name="myAutoCompleteTextViewStyle" parent="Widget.AppCompat.Light.AutoCompleteTextView">
    <item name="android:popupBackground">#FFF</item>
</style>
<style name="mySearchResult" parent="TextAppearance.AppCompat.SearchResult.Title">
    <item name="android:textColor">#000</item>
</style>

<style name="MenuItemTextAppearance" parent="@style/TextAppearance.AppCompat.Widget.ActionBar.Menu">
    <item name="textAllCaps">false</item>
    <item name="android:textSize">15sp</item>
</style>
<style name="Divider">
    <item name="android:background">@android:color/background_dark</item> //you can give your color here. that will change all divider color in your app.
</style>
<style name="Divider.Horizontal" parent="Divider">
    <item name="android:layout_width">match_parent</item>
    <item name="android:layout_height">1dp</item> // You can change thickness here.

</style>