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

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="?attr/selectableItemBackground"
    android:paddingStart="16dp"
    android:paddingTop="4dp"
    android:paddingEnd="12dp"
    android:paddingBottom="4dp"
    tools:context=".ui.browse.source.browse.BrowseSourceController">

    <TextView
        android:id="@+id/chapters_label"
        style="@style/TextAppearance.Regular.SubHeading"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="@string/chapters"
        android:textIsSelectable="false"
        android:textSize="16sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/btn_chapters_filter"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageButton
        android:id="@+id/btn_chapters_filter"
        android:layout_width="28dp"
        android:layout_height="28dp"
        android:background="?attr/selectableItemBackgroundBorderless"
        android:contentDescription="@string/action_filter"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:srcCompat="@drawable/ic_filter_list_24dp"
        app:tint="?attr/colorOnBackground" />

</androidx.constraintlayout.widget.ConstraintLayout>