MethaneInspection / app / src / main / res / drawable / switch_background_on.xml

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

    <size android:height="20dp" />

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

    <solid android:color="@color/switchColor" />
</shape>