<?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/action_save"
        android:orderInCategory="100"
        app:showAsAction="always"
        android:icon="@drawable/ic_action_save"
        android:title="Save"/>
    <item
        android:id="@+id/action_refresh"
        android:orderInCategory="100"
        app:showAsAction="always"
        android:icon="@drawable/ic_refresh"
        android:title="Refresh"/>
    <item
        android:id="@+id/custom_palette_picker"
        android:orderInCategory="100"
        app:showAsAction="always"
        android:icon="@drawable/palette_icon"
        android:title="CustomPalettePicker"/>
    <item
        android:id="@+id/action_about"
        android:orderInCategory="100"
        app:showAsAction="always"
        android:icon="@drawable/ic_about_icon"
        android:title="About"/>

</menu>


<?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/action_save"
        android:orderInCategory="100"
        android:icon="@drawable/ic_action_save"
        android:title="Save"/>
    <item
        android:id="@+id/action_refresh"
        android:orderInCategory="100"
        app:showAsAction="ifRoom"
        android:icon="@drawable/ic_refresh"
        android:title="Refresh"/>
    <item
        android:id="@+id/custom_palette_picker"
        android:orderInCategory="100"
        app:showAsAction="ifRoom"
        android:icon="@drawable/palette_icon"
        android:title="CustomPalettePicker"/>
    <item
        android:id="@+id/action_about"
        android:orderInCategory="100"
        android:icon="@drawable/ic_about_icon"
        android:title="About"/>

</menu>


Fix action bar icons in main activity
Fix action bar icons in main activity
