res_values-v23_themes.xml

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

    <style name="Platform.V23.Theme.Monzo" parent="Platform.V21.Theme.Monzo">
        <!-- Controls whether status bar icons are light/dark - `minSdkVersion 23`-->
        <item name="android:windowLightStatusBar">?attr/preferDarkStatusBarIcons</item>

        <!-- Available on `21`, but we'll only set them alongside the above to avoid hard-to-read icons   -->
        <item name="android:statusBarColor">?attr/preferredStatusBarColor</item>
    </style>

    <style name="Platform.Theme.Monzo" parent="Platform.V23.Theme.Monzo" />

</resources>