BayernMessenger/vector/src/main/res/drawable/rounded_rect_shape.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">

    <size android:width="40dp" android:height="22dp"/>

    <solid android:color="?vctr_list_header_background_color" />

    <stroke android:width="1dp" android:color="@color/accent_color_light" />

    <corners android:radius="20dp" />

</shape>