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

<?xml version="1.0" encoding="utf-8"?>
<androidx.core.widget.NestedScrollView 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="match_parent"
    android:clipToPadding="false"
    android:padding="16dp">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <!-- General display preferences -->

        <TextView
            android:id="@+id/general_prefs"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="32dp"
            android:text="@string/pref_category_general"
            android:textColor="?attr/colorAccent"
            android:textStyle="bold"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/viewer" />

        <com.google.android.material.switchmaterial.SwitchMaterial
            android:id="@+id/page_transitions"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/pref_page_transitions"
            android:textColor="?android:attr/textColorSecondary"
            app:layout_constraintTop_toBottomOf="@id/general_prefs" />

        <!-- General reading mode preferences -->

        <TextView
            android:id="@+id/display_prefs"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="24dp"
            android:text="@string/pref_category_display"
            android:textColor="?attr/colorAccent"
            android:textStyle="bold"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/page_transitions" />

        <TextView
            android:id="@+id/rotation_mode_text"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:text="@string/pref_rotation_type"
            app:layout_constraintBaseline_toBaselineOf="@id/rotation_mode"
            app:layout_constraintEnd_toStartOf="@id/verticalcenter"
            app:layout_constraintStart_toStartOf="parent" />

        <androidx.appcompat.widget.AppCompatSpinner
            android:id="@+id/rotation_mode"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:entries="@array/rotation_type"
            app:layout_constraintEnd_toEndOf="@id/spinner_end"
            app:layout_constraintStart_toEndOf="@id/verticalcenter"
            app:layout_constraintTop_toBottomOf="@id/display_prefs" />

        <TextView
            android:id="@+id/background_color_text"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:text="@string/pref_reader_theme"
            app:layout_constraintBaseline_toBaselineOf="@id/background_color"
            app:layout_constraintEnd_toStartOf="@id/background_color"
            app:layout_constraintStart_toStartOf="parent" />

        <androidx.appcompat.widget.AppCompatSpinner
            android:id="@+id/background_color"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginTop="20dp"
            android:entries="@array/reader_themes"
            app:layout_constraintEnd_toEndOf="@id/spinner_end"
            app:layout_constraintStart_toEndOf="@id/verticalcenter"
            app:layout_constraintTop_toBottomOf="@id/rotation_mode" />

        <com.google.android.material.switchmaterial.SwitchMaterial
            android:id="@+id/show_page_number"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="10dp"
            android:text="@string/pref_show_page_number"
            android:textColor="?android:attr/textColorSecondary"
            app:layout_constraintTop_toBottomOf="@id/background_color" />

        <com.google.android.material.switchmaterial.SwitchMaterial
            android:id="@+id/fullscreen"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/pref_fullscreen"
            android:textColor="?android:attr/textColorSecondary"
            app:layout_constraintTop_toBottomOf="@id/show_page_number" />

        <com.google.android.material.switchmaterial.SwitchMaterial
            android:id="@+id/cutout_short"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/pref_cutout_short"
            android:textColor="?android:attr/textColorSecondary"
            android:visibility="gone"
            app:layout_constraintTop_toBottomOf="@id/fullscreen"
            tools:visibility="visible" />

        <com.google.android.material.switchmaterial.SwitchMaterial
            android:id="@+id/keepscreen"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/pref_keep_screen_on"
            android:textColor="?android:attr/textColorSecondary"
            app:layout_constraintTop_toBottomOf="@id/cutout_short" />

        <com.google.android.material.switchmaterial.SwitchMaterial
            android:id="@+id/long_tap"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/pref_read_with_long_tap"
            android:textColor="?android:attr/textColorSecondary"
            app:layout_constraintTop_toBottomOf="@id/keepscreen" />

        <com.google.android.material.switchmaterial.SwitchMaterial
            android:id="@+id/always_show_chapter_transition"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/pref_always_show_chapter_transition"
            android:textColor="?android:attr/textColorSecondary"
            app:layout_constraintTop_toBottomOf="@id/long_tap" />

        <android.widget.Space
            android:id="@+id/end_general_preferences"
            android:layout_width="0dp"
            android:layout_height="0dp"
            app:layout_constraintBottom_toBottomOf="@id/always_show_chapter_transition"
            tools:ignore="MissingConstraints" />

        <android.widget.Space
            android:id="@+id/spinner_end"
            android:layout_width="16dp"
            android:layout_height="0dp"
            app:layout_constraintStart_toEndOf="parent"
            tools:ignore="MissingConstraints" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/verticalcenter"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_percent="0.5" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.core.widget.NestedScrollView>