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

<?xml version="1.0" encoding="utf-8"?>
<eu.kanade.tachiyomi.ui.reader.ReaderChapterSheet xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/chapters_bottom_sheet"
    android:layout_width="match_parent"
    android:layout_height="300dp"
    android:background="@drawable/bottom_sheet_rounded_background"
    android:backgroundTint="?colorSecondary"
    android:orientation="vertical"
    app:behavior_peekHeight="?attr/actionBarSize"
    app:layout_behavior="com.google.android.material.bottomsheet.BottomSheetBehavior">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/topbar_layout"
        android:layout_width="match_parent"
        android:clickable="true"
        android:focusable="true"
        android:layout_height="wrap_content">

        <ImageView
            android:id="@+id/pill"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="5dp"
            android:alpha="0.25"
            android:contentDescription="@string/drag_handle"
            android:src="@drawable/draggable_pill"
            android:tint="?actionBarTintColor"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <LinearLayout
            android:id="@+id/seekbar_layout"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:layout_gravity="top"
            android:orientation="horizontal"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent">

            <ImageButton
                android:id="@+id/chapters_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="?selectableItemBackgroundBorderless"
                android:contentDescription="@string/next"
                android:padding="@dimen/material_layout_keylines_screen_edge_margin"
                android:tint="?actionBarTintColor"
                android:tooltipText="@string/view_chapters"
                app:srcCompat="@drawable/ic_format_list_numbered_24dp" />

            <!--
                    Wonky way of setting height due to issues with horizontally centering the thumb in Android 5.
                    See https://stackoverflow.com/questions/15701767/android-thumb-is-not-centered-in-seekbar
                -->
            <eu.kanade.tachiyomi.ui.reader.ReaderSeekBar
                android:id="@+id/page_seekbar"
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1" />

            <TextView
                android:id="@+id/page_text"
                android:layout_width="100dp"
                android:layout_height="match_parent"
                android:gravity="center"
                android:textColor="?actionBarTintColor"
                android:textSize="15sp"
                tools:text="100 / 105" />
        </LinearLayout>
    </androidx.constraintlayout.widget.ConstraintLayout>

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/chapter_recycler"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:alpha="0"
        android:background="@android:color/transparent"
        android:clipToPadding="false"
        tools:listitem="@layout/reader_chapter_item" />
</eu.kanade.tachiyomi.ui.reader.ReaderChapterSheet>