tempus/app/src/main/res/layout/fragment_download.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout 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">

    <fragment
        android:id="@+id/toolbar_fragment"
        android:name="com.cappielloantonio.tempo.ui.fragment.ToolbarFragment"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <ProgressBar
        android:id="@+id/loading_progress_bar"
        style="@style/Widget.AppCompat.ProgressBar.Horizontal"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:indeterminate="true"
        android:minWidth="128dp" />

    <LinearLayout
        android:id="@+id/empty_download_layout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:visibility="gone">

        <ImageView
            android:id="@+id/empty_description_image_view"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:adjustViewBounds="true"
            android:maxWidth="240dp"
            android:maxHeight="240dp"
            android:scaleType="centerInside"
            android:src="@drawable/ui_empty_list" />

        <TextView
            android:id="@+id/title_empty_description_label"
            style="@style/LabelMedium"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:paddingTop="12dp"
            android:text="@string/download_info_empty_title" />

        <TextView
            android:id="@+id/subtitle_empty_description_label"
            style="@style/LabelSmall"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:paddingStart="56dp"
            android:paddingEnd="56dp"
            android:text="@string/download_info_empty_subtitle" />
    </LinearLayout>

    <androidx.core.widget.NestedScrollView
        android:id="@+id/fragment_download_nested_scroll_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:visibility="gone"
        app:layout_behavior="@string/appbar_scrolling_view_behavior">

        <androidx.constraintlayout.widget.ConstraintLayout
            android:id="@+id/download_downloaded_sector"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingHorizontal="16dp"
            android:paddingTop="16dp"
            android:paddingBottom="@dimen/global_padding_bottom"
            android:visibility="gone"
            tools:visibility="visible">

            <TextView
                android:id="@+id/downloaded_text_view_refreshable"
                style="@style/TitleLarge"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:text="@string/download_title_section"
                app:layout_constraintEnd_toStartOf="@+id/downloaded_refresh_image_view"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <TextView
                android:id="@+id/shuffle_downloaded_text_view_clickable"
                style="@style/TitleMedium"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:text="@string/download_shuffle_all_subtitle"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/downloaded_text_view_refreshable"/>

            <ImageView
                android:id="@+id/downloaded_refresh_image_view"
                android:layout_width="24dp"
                android:layout_height="24dp"
                android:layout_marginStart="12dp"
                android:layout_marginEnd="12dp"
                android:background="@drawable/ic_refresh"
                android:contentDescription="@string/download_refresh_button_content_description"
                app:layout_constraintBottom_toBottomOf="@+id/downloaded_text_view_refreshable"
                app:layout_constraintEnd_toStartOf="@id/downloaded_go_back_image_view"
                app:layout_constraintStart_toEndOf="@id/downloaded_text_view_refreshable"
                app:layout_constraintTop_toTopOf="@+id/downloaded_text_view_refreshable" />

            <ImageView
                android:id="@+id/downloaded_go_back_image_view"
                android:layout_width="24dp"
                android:layout_height="24dp"
                android:layout_marginHorizontal="12dp"
                android:layout_gravity="center"
                android:background="@drawable/ic_arrow_back"
                app:layout_constraintBottom_toBottomOf="@+id/downloaded_text_view_refreshable"
                app:layout_constraintEnd_toStartOf="@id/downloaded_group_by_image_view"
                app:layout_constraintStart_toEndOf="@id/downloaded_refresh_image_view"
                app:layout_constraintTop_toTopOf="@+id/downloaded_text_view_refreshable" />

            <ImageView
                android:id="@+id/downloaded_group_by_image_view"
                android:layout_width="24dp"
                android:layout_height="24dp"
                android:layout_gravity="center"
                android:background="@drawable/ic_filter_list"
                app:layout_constraintBottom_toBottomOf="@+id/downloaded_text_view_refreshable"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toTopOf="@+id/downloaded_text_view_refreshable" />

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/downloaded_recycler_view"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:clipToPadding="false"
                android:nestedScrollingEnabled="false"
                android:paddingTop="12dp"
                android:paddingBottom="8dp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@id/shuffle_downloaded_text_view_clickable" />

        </androidx.constraintlayout.widget.ConstraintLayout>
    </androidx.core.widget.NestedScrollView>
</androidx.coordinatorlayout.widget.CoordinatorLayout>