我找到了，尤利卡!!

在你的应用主题中:

<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
    <item name="android:actionBarStyle">@style/ActionBarTheme</item>
    <!-- backward compatibility -->          
    <item name="actionBarStyle">@style/ActionBarTheme</item>        
</style>

这是你的动作栏主题:

<style name="ActionBarTheme" parent="@style/Widget.AppCompat.Light.ActionBar.Solid.Inverse">
   <item name="android:background">@color/actionbar_bg_color</item>
   <item name="popupTheme">@style/ActionBarPopupTheme</item
   <!-- backward compatibility -->
   <item name="background">@color/actionbar_bg_color</item>
</style>

这是你弹出的主题:

 <style name="ActionBarPopupTheme">
    <item name="android:textColor">@color/menu_text_color</item>
    <item name="android:background">@color/menu_bg_color</item>
 </style>

干杯,)

试试这段代码....

 @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
         inflater.inflate(R.menu.my_menu, menu);

        getLayoutInflater().setFactory(new Factory() {
            @Override
            public View onCreateView(String name, Context context,
                    AttributeSet attrs) {

                if (name.equalsIgnoreCase("com.android.internal.view.menu.IconMenuItemView")) {
                    try {
                        LayoutInflater f = getLayoutInflater();
                        final View view = f.createView(name, null, attrs);

                        new Handler().post(new Runnable() {
                            public void run() {

                                // set the background drawable
                                 view.setBackgroundResource(R.drawable.my_ac_menu_background);

                                // set the text color
                                ((TextView) view).setTextColor(Color.WHITE);
                            }
                        });
                        return view;
                    } catch (InflateException e) {
                    } catch (ClassNotFoundException e) {
                    }
                }
                return null;
            }
        });
        return super.onCreateOptionsMenu(menu);
    }

看来

  <item name="android:itemTextAppearance">@style/myCustomMenuTextAppearance</item>

在我的主题中

   <style name="myCustomMenuTextAppearance" parent="@android:style/TextAppearance.Widget.IconMenu.Item">
        <item name="android:textColor">@android:color/primary_text_dark</item>
    </style>

在styles.xml中，更改列表项的样式，但不更改菜单项的样式。

在Kotlin中我写了这些扩展:

fun MenuItem.setTitleColor(color: Int) {
    val hexColor = Integer.toHexString(color).toUpperCase().substring(2)
    val html = "<font color='#$hexColor'>$title</font>"
    this.title = html.parseAsHtml()
}           



@Suppress("DEPRECATION")                                                                        
fun String.parseAsHtml(): Spanned {                                                             
    return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {                                
        Html.fromHtml(this, Html.FROM_HTML_MODE_LEGACY)                                         
    } else {                                                                                    
        Html.fromHtml(this)                                                                     
    }                                                                                           
}  

并像这样使用:

menu.findItem(R.id.main_settings).setTitleColor(Color.RED)

只需将此添加到您的主题

<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <item name="android:itemTextAppearance">@style/AppTheme.ItemTextStyle</item>
</style>

<style name="AppTheme.ItemTextStyle" parent="@android:style/TextAppearance.Widget.IconMenu.Item">
        <item name="android:textColor">@color/orange_500</item>
</style>

API 21测试

添加textColor如下所示

<style name="MyTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light">
    <item name="android:textColor">@color/radio_color_gray</item>
</style>

并在xml文件中的工具栏中使用它

<androidx.appcompat.widget.Toolbar
     android:id="@+id/toolbar"
     android:layout_width="match_parent"
     android:layout_height="?attr/actionBarSize"
     app:popupTheme="@style/MyTheme.PopupOverlay" />