komikku/app/src/main/res/layout/reader_activity.xml

<FrameLayout 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/reader_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <FrameLayout
        android:id="@+id/reader_container"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <FrameLayout
            android:id="@+id/viewer_container"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:descendantFocusability="blocksDescendants" />

        <androidx.compose.ui.platform.ComposeView
            android:id="@+id/page_number"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom|center_horizontal" />

    </FrameLayout>

    <eu.kanade.tachiyomi.ui.reader.ReaderColorFilterView
        android:id="@+id/color_overlay"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="gone" />

    <eu.kanade.tachiyomi.ui.reader.ReaderNavigationOverlayView
        android:id="@+id/navigation_overlay"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clickable="false"
        android:focusable="false"
        android:visibility="gone" />

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/reader_menu"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:theme="?attr/actionBarTheme"
        android:visibility="invisible"
        tools:visibility="visible">

        <com.google.android.material.appbar.AppBarLayout
            android:id="@+id/header"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:animateLayoutChanges="true"
            app:elevation="0dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent">

            <com.google.android.material.appbar.MaterialToolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:minHeight="?attr/actionBarSize" />

            <LinearLayout
                android:id="@+id/eh_utils"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:orientation="vertical"
                android:visibility="gone"
                tools:visibility="visible">

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:orientation="horizontal">

                    <com.google.android.material.materialswitch.MaterialSwitch
                        android:id="@+id/eh_autoscroll"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:layout_weight="1"
                        android:gravity="center_horizontal|center_vertical"
                        android:paddingHorizontal="16dp"
                        android:paddingVertical="16dp"
                        android:text="@string/eh_autoscroll"
                        android:textColor="?attr/colorOnSurface"
                        android:textSize="13sp" />

                    <EditText
                        android:id="@+id/eh_autoscroll_freq"
                        android:layout_width="100dp"
                        android:layout_height="match_parent"
                        android:backgroundTint="?attr/colorAccent"
                        android:gravity="center_horizontal|center_vertical"
                        android:importantForAutofill="no"
                        android:inputType="numberDecimal"
                        android:maxLength="10"
                        android:singleLine="true" />

                    <Button
                        android:id="@+id/eh_autoscroll_help"
                        style="@style/Widget.MaterialComponents.Button.TextButton"
                        android:layout_width="50dp"
                        android:layout_height="match_parent"
                        android:text="\?"
                        android:textColor="?attr/colorOnSurface"
                        android:textSize="15sp"
                        android:textStyle="bold"
                        tools:ignore="HardcodedText" />

                </LinearLayout>

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="0dp"
                    android:layout_weight="1"
                    android:orientation="horizontal">

                    <Button
                        android:id="@+id/eh_retry_all"
                        style="@style/Widget.MaterialComponents.Button.TextButton"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:layout_weight="1"
                        android:fontFamily="sans-serif"
                        android:text="@string/eh_retry_all"
                        android:textColor="?attr/colorOnSurface"
                        android:textSize="13sp" />

                    <Button
                        android:id="@+id/eh_retry_all_help"
                        style="@style/Widget.MaterialComponents.Button.TextButton"
                        android:layout_width="50dp"
                        android:layout_height="match_parent"
                        android:text="\?"
                        android:textColor="?attr/colorOnSurface"
                        android:textSize="15sp"
                        android:textStyle="bold"
                        tools:ignore="HardcodedText" />

                    <Button
                        android:id="@+id/eh_boost_page"
                        style="@style/Widget.MaterialComponents.Button.TextButton"
                        android:layout_width="match_parent"
                        android:layout_height="match_parent"
                        android:layout_weight="1"
                        android:fontFamily="sans-serif"
                        android:text="@string/eh_boost_page"
                        android:textColor="?attr/colorOnSurface"
                        android:textSize="13sp" />

                    <Button
                        android:id="@+id/eh_boost_page_help"
                        style="@style/Widget.MaterialComponents.Button.TextButton"
                        android:layout_width="50dp"
                        android:layout_height="match_parent"
                        android:text="\?"
                        android:textColor="?attr/colorOnSurface"
                        android:textSize="15sp"
                        android:textStyle="bold"
                        tools:ignore="HardcodedText" />
                </LinearLayout>

            </LinearLayout>

            <ImageButton
                android:id="@+id/expand_eh_button"
                style="@style/Widget.MaterialComponents.Button.TextButton"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:padding="0dp"
                app:srcCompat="@drawable/ic_keyboard_arrow_down_white_32dp"
                app:tint="?attr/colorOnSurface" />

        </com.google.android.material.appbar.AppBarLayout>

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/above_guideline"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_percent="0.3"
            app:layout_constraintTop_toBottomOf="@id/header"/>

        <RelativeLayout
            android:id="@+id/seekbar_vert_container"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:orientation="horizontal"
            app:layout_constraintBottom_toTopOf="@id/below_guideline"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/above_guideline"
            tools:ignore="NotSibling">

            <androidx.compose.ui.platform.ComposeView
                android:id="@+id/reader_nav_vert"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:layout_alignParentEnd="true"
                android:layout_centerVertical="true"
                android:gravity="center"/>

        </RelativeLayout>

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/below_guideline"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_percent="0.85"
            app:layout_constraintBottom_toTopOf="@id/reader_menu_bottom"/>

        <LinearLayout
            android:id="@+id/reader_menu_bottom"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom"
            android:orientation="vertical"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent">

            <androidx.compose.ui.platform.ComposeView
                android:id="@+id/reader_nav_horz"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="16dp"
                android:layoutDirection="ltr" />

            <LinearLayout
                android:id="@+id/toolbar_bottom"
                android:layout_width="match_parent"
                android:layout_height="?attr/actionBarSize"
                android:layout_gravity="bottom"
                android:clickable="true"
                tools:ignore="KeyboardInaccessibleWidget">

                <ImageButton
                    android:id="@+id/action_chapter_list"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:layout_weight="1"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/chapters"
                    android:padding="@dimen/screen_edge_margin"
                    app:srcCompat="@drawable/ic_format_list_numbered_24dp"
                    app:tint="?attr/colorOnSurface" />

                <ImageButton
                    android:id="@+id/action_web_view"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/action_open_in_web_view"
                    android:padding="@dimen/screen_edge_margin"
                    android:layout_weight="1"
                    app:srcCompat="@drawable/ic_webview_24dp"
                    app:tint="?attr/colorOnSurface" />

                <ImageButton
                    android:id="@+id/action_share"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/action_share"
                    android:padding="@dimen/screen_edge_margin"
                    android:layout_weight="1"
                    app:srcCompat="@drawable/ic_share_24dp"
                    app:tint="?attr/colorOnSurface" />

                <ImageButton
                    android:id="@+id/action_reading_mode"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/viewer"
                    android:padding="@dimen/screen_edge_margin"
                    android:layout_weight="1"
                    app:srcCompat="@drawable/ic_reader_default_24dp"
                    app:tint="?attr/colorOnSurface" />

                <ImageButton
                    android:id="@+id/action_crop_borders"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/pref_crop_borders"
                    android:padding="@dimen/screen_edge_margin"
                    android:layout_weight="1"
                    app:srcCompat="@drawable/ic_crop_24dp"
                    app:tint="?attr/colorOnSurface" />

                <ImageButton
                    android:id="@+id/action_rotation"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/pref_rotation_type"
                    android:padding="@dimen/screen_edge_margin"
                    android:layout_weight="1"
                    app:srcCompat="@drawable/ic_screen_rotation_24dp"
                    app:tint="?attr/colorOnSurface" />

                <ImageButton
                    android:id="@+id/double_page"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/page_layout"
                    android:padding="@dimen/screen_edge_margin"
                    android:layout_weight="1"
                    app:srcCompat="@drawable/ic_book_open_variant_24dp"
                    app:tint="?attr/colorOnSurface" />

                <ImageButton
                    android:id="@+id/shift_page_button"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/shift_double_pages"
                    android:padding="@dimen/screen_edge_margin"
                    android:layout_weight="1"
                    app:srcCompat="@drawable/ic_page_next_outline_24dp"
                    app:tint="?attr/colorOnSurface" />

                <ImageButton
                    android:id="@+id/action_settings"
                    android:layout_width="wrap_content"
                    android:layout_height="match_parent"
                    android:background="?attr/selectableItemBackgroundBorderless"
                    android:contentDescription="@string/action_settings"
                    android:padding="@dimen/screen_edge_margin"
                    android:layout_weight="1"
                    app:srcCompat="@drawable/ic_settings_24dp"
                    app:tint="?attr/colorOnSurface" />

            </LinearLayout>

        </LinearLayout>

    </androidx.constraintlayout.widget.ConstraintLayout>

    <View
        android:id="@+id/brightness_overlay"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="gone" />

</FrameLayout>