Signal-Android/app/src/main/res/layout/chat_wallpaper_fragment.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical">

    <include layout="@layout/dsl_settings_toolbar" />

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:fillViewport="true">

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

            <View
                android:id="@+id/chat_wallpaper_preview_lightbox"
                android:layout_width="0dp"
                android:layout_height="0dp"
                android:background="@color/signal_background_tertiary"
                app:layout_constraintBottom_toBottomOf="@id/chat_wallpaper_space"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <ImageView
                android:id="@+id/chat_wallpaper_preview_background"
                android:layout_width="156dp"
                android:layout_height="288dp"
                android:layout_marginTop="16dp"
                android:layout_marginBottom="16dp"
                android:background="@color/signal_background_primary"
                android:contentDescription="@string/ChatWallpaperFragment__wallpaper_preview_description"
                android:scaleType="fitXY"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                tools:src="@drawable/test_gradient" />

            <View
                android:id="@+id/chat_wallpaper_dim"
                android:layout_width="0dp"
                android:layout_height="0dp"
                android:background="@color/black"
                android:visibility="gone"
                app:layout_constraintBottom_toTopOf="@id/chat_wallpaper_preview_bottom_bar"
                app:layout_constraintEnd_toEndOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintStart_toStartOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_preview_top_bar"
                tools:visibility="visible" />

            <org.thoughtcrime.securesms.conversation.colors.ColorizerView
                android:id="@+id/colorizer"
                android:layout_width="0dp"
                android:layout_height="0dp"
                app:layout_constraintBottom_toTopOf="@id/chat_wallpaper_preview_bottom_bar"
                app:layout_constraintEnd_toEndOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintStart_toStartOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_preview_top_bar" />

            <View
                android:id="@+id/chat_wallpaper_preview_top_bar"
                android:layout_width="156dp"
                android:layout_height="28dp"
                android:background="@drawable/chat_wallpaper_preview_top_bar"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintVertical_chainStyle="packed" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/chat_wallpaper_preview_top_bar_navigation"
                android:layout_width="10dp"
                android:layout_height="10dp"
                android:layout_marginStart="4dp"
                android:layout_marginBottom="4dp"
                app:layout_constraintBottom_toBottomOf="@id/chat_wallpaper_preview_top_bar"
                app:layout_constraintStart_toStartOf="@id/chat_wallpaper_preview_top_bar"
                app:srcCompat="@drawable/ic_arrow_left_24"
                app:tint="@color/core_white" />

            <org.thoughtcrime.securesms.components.AvatarImageView
                android:id="@+id/chat_wallpaper_preview_top_bar_portrait"
                android:layout_width="16dp"
                android:layout_height="16dp"
                android:layout_marginStart="4dp"
                android:layout_marginBottom="2dp"
                app:layout_constraintBottom_toBottomOf="@id/chat_wallpaper_preview_top_bar"
                app:layout_constraintStart_toEndOf="@id/chat_wallpaper_preview_top_bar_navigation"
                app:srcCompat="@drawable/circle_tintable"
                tools:tint="@color/core_ultramarine" />

            <TextView
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_marginStart="4dp"
                android:layout_marginEnd="4dp"
                android:layout_marginBottom="4dp"
                android:text="@string/ChatWallpaperFragment__contact_name"
                android:textAppearance="@style/Signal.Text.Body"
                android:textColor="@color/signal_text_primary"
                android:textSize="8sp"
                app:layout_constraintBottom_toBottomOf="@id/chat_wallpaper_preview_top_bar"
                app:layout_constraintEnd_toStartOf="@id/chat_wallpaper_preview_top_bar_video"
                app:layout_constraintStart_toEndOf="@id/chat_wallpaper_preview_top_bar_portrait"
                tools:ignore="SmallSp" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/chat_wallpaper_preview_top_bar_video"
                android:layout_width="10dp"
                android:layout_height="10dp"
                android:layout_marginEnd="8dp"
                android:layout_marginBottom="4dp"
                app:layout_constraintBottom_toBottomOf="@id/chat_wallpaper_preview_top_bar"
                app:layout_constraintEnd_toStartOf="@id/chat_wallpaper_preview_top_bar_voice"
                app:srcCompat="@drawable/ic_video_call_24"
                app:tint="@color/signal_icon_tint_primary" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/chat_wallpaper_preview_top_bar_voice"
                android:layout_width="10dp"
                android:layout_height="10dp"
                android:layout_marginEnd="6dp"
                android:layout_marginBottom="4dp"
                app:layout_constraintBottom_toBottomOf="@id/chat_wallpaper_preview_top_bar"
                app:layout_constraintEnd_toEndOf="@id/chat_wallpaper_preview_top_bar"
                app:srcCompat="@drawable/ic_phone_right_24"
                app:tint="@color/signal_icon_tint_primary" />

            <View
                android:id="@+id/chat_wallpaper_preview_bottom_bar"
                android:layout_width="156dp"
                android:layout_height="24dp"
                android:background="@drawable/chat_wallpaper_preview_bottom_bar"
                app:layout_constraintBottom_toBottomOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent" />

            <Space
                android:id="@+id/chat_wallpaper_space"
                android:layout_width="wrap_content"
                android:layout_height="16dp"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_preview_bottom_bar" />

            <View
                android:id="@+id/chat_wallpaper_preview_bottom_bar_input"
                android:layout_width="0dp"
                android:layout_height="14dp"
                android:layout_marginStart="8dp"
                android:background="@drawable/chat_wallpaper_preview_input"
                app:layout_constraintBottom_toBottomOf="@id/chat_wallpaper_preview_bottom_bar"
                app:layout_constraintEnd_toStartOf="@id/chat_wallpaper_preview_bottom_bar_plus"
                app:layout_constraintStart_toStartOf="@id/chat_wallpaper_preview_bottom_bar"
                app:layout_constraintTop_toTopOf="@id/chat_wallpaper_preview_bottom_bar" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/chat_wallpaper_preview_bottom_bar_plus"
                android:layout_width="14dp"
                android:layout_height="14dp"
                android:layout_marginStart="8dp"
                android:layout_marginEnd="8dp"
                android:background="@drawable/circle_tintable"
                android:padding="2dp"
                app:backgroundTint="@color/signal_accent_primary"
                app:layout_constraintBottom_toBottomOf="@id/chat_wallpaper_preview_bottom_bar"
                app:layout_constraintEnd_toEndOf="@id/chat_wallpaper_preview_bottom_bar"
                app:layout_constraintStart_toEndOf="@id/chat_wallpaper_preview_bottom_bar_input"
                app:layout_constraintTop_toTopOf="@id/chat_wallpaper_preview_bottom_bar"
                app:srcCompat="@drawable/ic_plus_24"
                app:tint="@color/core_white" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/chat_wallpaper_preview_today"
                android:layout_width="24dp"
                android:layout_height="10dp"
                android:layout_marginTop="12dp"
                app:layout_constraintEnd_toEndOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintStart_toStartOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_preview_top_bar"
                app:srcCompat="@drawable/chat_wallpaper_preview_bubble_10"
                app:tint="@color/signal_background_tertiary" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/chat_wallpaper_preview_bubble_1"
                android:layout_width="100dp"
                android:layout_height="30dp"
                android:layout_marginStart="8dp"
                android:layout_marginTop="30dp"
                app:layout_constraintStart_toStartOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_preview_top_bar"
                app:srcCompat="@drawable/chat_wallpaper_preview_bubble_10" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/chat_wallpaper_preview_bubble_2"
                android:layout_width="100dp"
                android:layout_height="30dp"
                android:layout_marginTop="66dp"
                android:layout_marginEnd="8dp"
                app:layout_constraintEnd_toEndOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_preview_top_bar"
                app:srcCompat="@drawable/chat_wallpaper_preview_bubble_10"
                app:tint="@color/signal_alert_primary" />

            <View
                android:layout_width="0dp"
                android:layout_height="0dp"
                android:background="@drawable/chat_wallpaper_preview_outline"
                app:layout_constraintBottom_toBottomOf="@id/chat_wallpaper_preview_bottom_bar"
                app:layout_constraintEnd_toEndOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintStart_toStartOf="@id/chat_wallpaper_preview_background"
                app:layout_constraintTop_toTopOf="@id/chat_wallpaper_preview_top_bar" />

            <TextView
                android:id="@+id/chat_wallpaper_set_chat_color"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:minHeight="56dp"
                android:background="?selectableItemBackground"
                android:gravity="center_vertical"
                android:paddingStart="16dp"
                android:paddingEnd="16dp"
                android:text="@string/ChatWallpaperFragment__chat_color"
                android:textAppearance="@style/Signal.Text.Body"
                android:textColor="@color/signal_text_primary"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_preview_lightbox" />

            <TextView
                android:id="@+id/chat_wallpaper_reset_chat_colors"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:minHeight="56dp"
                android:background="?selectableItemBackground"
                android:gravity="center_vertical"
                android:paddingStart="16dp"
                android:paddingEnd="16dp"
                android:text="@string/ChatWallpaperFragment__reset_chat_colors"
                android:textAppearance="@style/Signal.Text.Body"
                android:textColor="@color/signal_text_primary"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_set_chat_color" />

            <View
                android:id="@+id/chat_wallpaper_divider"
                android:layout_width="match_parent"
                android:layout_height="1dp"
                android:layout_marginTop="8dp"
                android:background="@color/signal_inverse_transparent_15"
                android:visibility="visible"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_reset_chat_colors" />

            <TextView
                android:id="@+id/chat_wallpaper_set_wallpaper"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:minHeight="56dp"
                android:layout_marginTop="8dp"
                android:background="?selectableItemBackground"
                android:gravity="center_vertical"
                android:paddingStart="16dp"
                android:paddingEnd="16dp"
                android:text="@string/ChatWallpaperFragment__set_wallpaper"
                android:textAppearance="@style/Signal.Text.Body"
                android:textColor="@color/signal_text_primary"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_divider" />

            <androidx.appcompat.widget.SwitchCompat
                android:id="@+id/chat_wallpaper_dark_theme_dims_wallpaper"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:minHeight="56dp"
                android:gravity="center_vertical"
                android:paddingStart="16dp"
                android:paddingEnd="16dp"
                android:text="@string/ChatWallpaperFragment__dark_mode_dims_wallpaper"
                android:textAppearance="@style/Signal.Text.Body"
                android:textColor="@color/signal_text_primary"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_set_wallpaper" />

            <TextView
                android:id="@+id/chat_wallpaper_reset_all_wallpapers"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:minHeight="56dp"
                android:background="?selectableItemBackground"
                android:gravity="center_vertical"
                android:paddingStart="16dp"
                android:paddingEnd="16dp"
                android:text="@string/ChatWallpaperFragment__reset_wallpapers"
                android:textAppearance="@style/Signal.Text.Body"
                android:textColor="@color/signal_text_primary"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/chat_wallpaper_dark_theme_dims_wallpaper" />

        </androidx.constraintlayout.widget.ConstraintLayout>
    </ScrollView>
</LinearLayout>