Android RecycleView 自定义 滚动条

<!-- 滚动条 -->
<style name="scroll_view" parent="@android:style/Widget.ScrollView">
    <item name="android:scrollbarThumbVertical">@drawable/scrollbar_handle_holo_dark</item>
    <item name="android:scrollbarThumbHorizontal">@drawable/scrollbar_handle_holo_dark
    </item>
</style>

<!-- recyclerView 滚动条 -->
<style name="recycler_view" parent="scroll_view">
    <item name="android:fadingEdge">none</item>
    <item name="android:focusable">false</item>
    <item name="android:overScrollMode">ifContentScrolls</item>
    <item name="android:cacheColorHint">@android:color/transparent</item>
</style>

<androidx.recyclerview.widget.RecyclerView
    android:id="@+id/recycler_view"
    style="@style/recycler_view"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />