tachiyomi/app/src/main/res/layout/reader_settings_sheet.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:id="@+id/constraint_layout"
    android:layout_width="match_parent"
    style="@style/BottomSheetDialogTheme"
    android:background="@drawable/bg_bottom_sheet_dialog_fragment"
    android:layout_height="wrap_content"
    android:clipToPadding="false"
    android:orientation="vertical"
    android:paddingStart="@dimen/material_component_dialogs_padding_around_content_area"
    android:paddingEnd="@dimen/material_component_dialogs_padding_around_content_area"
    android:paddingTop="16dp"
    android:forceDarkAllowed="false">

    <!-- General preferences -->

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

    <ImageView
        android:id="@+id/close_button"
        android:layout_width="30dp"
        android:layout_height="30dp"
        android:clickable="true"
        android:focusable="true"
        android:background="@drawable/round_ripple"
        android:tint="?android:attr/textColorPrimary"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="@id/general_prefs"
        app:layout_constraintBottom_toBottomOf="@id/general_prefs"
        android:src="@drawable/ic_expand_more_white_24dp"/>

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

    <TextView
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="@string/viewer_for_this_series"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toStartOf="@id/bottom_line"
        app:layout_constraintBaseline_toBaselineOf="@id/viewer" />

    <androidx.appcompat.widget.AppCompatSpinner
        android:id="@+id/viewer"
        android:layout_width="0dp"
        android:layout_height="24dp"
        android:layout_marginTop="16dp"
        android:entries="@array/viewers_selector"
        app:layout_constraintTop_toBottomOf="@id/general_prefs"
        app:layout_constraintStart_toEndOf="@id/bottom_line"
        app:layout_constraintEnd_toEndOf="@id/spinner_end" />

    <TextView
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:text="@string/pref_rotation_type"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toStartOf="@id/bottom_line"
        app:layout_constraintBaseline_toBaselineOf="@id/rotation_mode" />

    <androidx.appcompat.widget.AppCompatSpinner
        android:id="@+id/rotation_mode"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:entries="@array/rotation_type"
        app:layout_constraintTop_toBottomOf="@id/viewer"
        app:layout_constraintStart_toEndOf="@id/bottom_line"
        app:layout_constraintEnd_toEndOf="@id/spinner_end" />

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

    <androidx.appcompat.widget.AppCompatSpinner
        android:id="@+id/background_color"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:entries="@array/reader_themes"
        app:layout_constraintTop_toBottomOf="@id/rotation_mode"
        app:layout_constraintStart_toEndOf="@id/bottom_line"
        app:layout_constraintEnd_toEndOf="@id/spinner_end" />

    <androidx.appcompat.widget.SwitchCompat
        android:id="@+id/show_page_number"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:text="@string/pref_show_page_number"
        android:textColor="?android:attr/textColorSecondary"
        app:layout_constraintTop_toBottomOf="@id/background_color" />

    <androidx.appcompat.widget.SwitchCompat
        android:id="@+id/true_color"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="0dp"
        android:text="@string/pref_true_color"
        android:textColor="?android:attr/textColorSecondary"
        android:visibility="gone"
        tools:visibility="visible"
        app:layout_constraintTop_toBottomOf="@id/show_page_number" />

    <androidx.appcompat.widget.SwitchCompat
        android:id="@+id/fullscreen"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="0dp"
        android:text="@string/pref_fullscreen"
        android:textColor="?android:attr/textColorSecondary"
        app:layout_constraintTop_toBottomOf="@id/true_color" />

    <androidx.appcompat.widget.SwitchCompat
        android:id="@+id/keepscreen"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="0dp"
        android:text="@string/pref_keep_screen_on"
        android:textColor="?android:attr/textColorSecondary"
        app:layout_constraintTop_toBottomOf="@id/fullscreen" />

    <androidx.appcompat.widget.SwitchCompat
        android:id="@+id/long_tap"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="0dp"
        android:text="@string/pref_read_with_long_tap"
        android:textColor="?android:attr/textColorSecondary"
        app:layout_constraintTop_toBottomOf="@id/keepscreen" />

    <androidx.legacy.widget.Space
        android:id="@+id/end_general_preferences"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintBottom_toBottomOf="@id/long_tap" />

    <!-- Pager preferences -->

    <TextView
        android:id="@+id/pager_prefs"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:text="@string/pager_viewer"
        android:textColor="?attr/colorAccent"
        android:textStyle="bold"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/end_general_preferences" />

    <TextView
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:id="@+id/zoom_start_text"
        android:text="@string/pref_image_scale_type"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toStartOf="@id/bottom_line"
        app:layout_constraintBaseline_toBaselineOf="@id/scale_type"/>

    <androidx.appcompat.widget.AppCompatSpinner
        android:id="@+id/scale_type"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:entries="@array/image_scale_type"
        app:layout_constraintStart_toEndOf="@id/bottom_line"
        app:layout_constraintEnd_toEndOf="@id/spinner_end"
        app:layout_constraintTop_toBottomOf="@id/pager_prefs"/>

    <TextView
        android:id="@+id/scale_type_text"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="@string/pref_zoom_start"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintEnd_toStartOf="@id/bottom_line"
        app:layout_constraintBaseline_toBaselineOf="@id/zoom_start"/>

    <androidx.appcompat.widget.AppCompatSpinner
        android:id="@+id/zoom_start"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:entries="@array/zoom_start"
        android:layout_marginTop="16dp"
        app:layout_constraintTop_toBottomOf="@id/scale_type"
        app:layout_constraintStart_toEndOf="@id/bottom_line"
        app:layout_constraintEnd_toEndOf="@id/spinner_end" />

    <androidx.appcompat.widget.SwitchCompat
        android:id="@+id/crop_borders"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:text="@string/pref_crop_borders"
        android:textColor="?android:attr/textColorSecondary"
        app:layout_constraintTop_toBottomOf="@id/zoom_start" />

    <androidx.appcompat.widget.SwitchCompat
        android:id="@+id/page_transitions"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="0dp"
        android:text="@string/pref_page_transitions"
        android:textColor="?android:attr/textColorSecondary"
        app:layout_constraintTop_toBottomOf="@id/crop_borders"
        app:layout_constraintBottom_toBottomOf="parent"/>

    <!-- Webtoon preferences -->

    <TextView
        android:id="@+id/webtoon_prefs"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:text="@string/webtoon_viewer"
        android:textColor="?attr/colorAccent"
        android:textStyle="bold"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/end_general_preferences" />

    <androidx.appcompat.widget.SwitchCompat
        android:id="@+id/crop_borders_webtoon"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        android:text="@string/pref_crop_borders"
        android:textColor="?android:attr/textColorSecondary"
        app:layout_constraintTop_toBottomOf="@id/webtoon_prefs"
        app:layout_constraintBottom_toBottomOf="parent" />

    <!-- Groups of preferences -->

    <androidx.constraintlayout.widget.Group
        android:id="@+id/pager_prefs_group"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:visibility="gone"
        app:constraint_referenced_ids="pager_prefs,scale_type,scale_type_text,zoom_start_text,zoom_start,crop_borders,page_transitions"
        tools:visibility="visible" />

    <androidx.constraintlayout.widget.Group
        android:id="@+id/webtoon_prefs_group"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:visibility="gone"
        app:constraint_referenced_ids="webtoon_prefs,crop_borders_webtoon" />

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

</androidx.constraintlayout.widget.ConstraintLayout>