simple-email/app/src/main/res/menu/action_answer.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/action_delete"
        android:icon="@drawable/baseline_delete_24"
        android:title="@string/title_delete"
        app:showAsAction="ifRoom" />

    <item
        android:id="@+id/action_save"
        android:icon="@drawable/baseline_save_alt_24"
        android:title="@string/title_save"
        app:showAsAction="ifRoom" />
</menu>