tachiyomi/app/src/main/res/layout/source_controller.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <FrameLayout
        android:id="@+id/frame_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="?android:attr/colorBackground">

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/recycler"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:clipToPadding="false"
            android:layout_marginBottom="30dp"
            android:paddingBottom="20dp"
            tools:listitem="@layout/source_header_item" />

    </FrameLayout>

    <View
        android:id="@+id/shadow"
        android:layout_width="match_parent"
        android:layout_height="24dp"
        android:alpha="0.5"
        android:background="@drawable/shape_gradient_top_shadow"
        android:paddingBottom="10dp"
        app:layout_anchorGravity="top"
        app:layout_anchor="@id/ext_bottom_sheet" />
    <!-- Adding bottom sheet after main content -->
    <include layout="@layout/extensions_bottom_sheet"/>

    <View
        android:id="@+id/shadow2"
        android:layout_width="match_parent"
        android:layout_height="8dp"
        android:layout_gravity="bottom"
        android:alpha="0.25"
        android:background="@drawable/shape_gradient_top_shadow" />
</androidx.coordinatorlayout.widget.CoordinatorLayout>