WordPress/src/main/res/drawable/badge_pressed.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="oval">
    <solid android:color="@color/color_accent" />
    <stroke
        android:width="3dp"
        android:color="@color/color_primary" />
</shape>