change color of scrollbar in scrollview android

scrollbar.xml

Create a scroll bar in drawable(scrollbar.xml) using this

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
     <gradient
        android:angle="45"
        android:centerColor="#669C79E7"
        android:endColor="#66C0C0C0"
        android:startColor="#669C70E2" />
    <corners android:radius="8dp" />
</shape>


    
and add this scroll bar like android:scrollbarThumbVertical="@drawable/scrollbar" to your ListView

plz tell me how to add android:scrollbarThumbVertical="@drawable/scrollbar" . thanks for reading