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">

    <LinearLayout
        android:id="@+id/title_layout"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:layout_gravity="top"
        android:orientation="horizontal">

        <ImageButton
            android:id="@+id/chapters_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:tint="?actionBarTintColor"
            android:tooltipText="@string/view_chapters"
            android:background="?selectableItemBackgroundBorderless"
            android:contentDescription="@string/next"
            android:padding="@dimen/material_layout_keylines_screen_edge_margin"
            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:tint="?actionBarTintColor"
            android:gravity="center"
            android:textSize="15sp"
            tools:text="100 / 105" />
    </LinearLayout>

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