tempus/app/src/main/res/layout/fragment_index.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"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <com.google.android.material.appbar.MaterialToolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        app:layout_collapseMode="pin"
        app:navigationIcon="@drawable/ic_arrow_back" />

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:paddingTop="8dp">

        <com.google.android.material.appbar.AppBarLayout
            android:id="@+id/app_bar_layout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content">

            <androidx.constraintlayout.widget.ConstraintLayout
                android:id="@+id/index_info_sector"
                android:layout_width="match_parent"
                android:layout_height="172dp"
                android:background="?attr/colorSurface"
                android:clipChildren="false"
                app:layout_scrollFlags="scroll|exitUntilCollapsed|snap">

                <TextView
                    android:id="@+id/index_title_label"
                    style="@style/TitleLarge"
                    android:layout_width="0dp"
                    android:layout_height="wrap_content"
                    android:paddingStart="16dp"
                    android:paddingTop="16dp"
                    android:paddingEnd="16dp"
                    android:paddingBottom="24dp"
                    android:text="@string/label_placeholder"
                    app:layout_constraintBottom_toBottomOf="parent"
                    app:layout_constraintEnd_toEndOf="parent"
                    app:layout_constraintStart_toStartOf="parent" />

            </androidx.constraintlayout.widget.ConstraintLayout>
        </com.google.android.material.appbar.AppBarLayout>

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_behavior="@string/appbar_scrolling_view_behavior">

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/index_recycler_view"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:clipToPadding="false"
                android:paddingBottom="@dimen/global_padding_bottom"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <com.cappielloantonio.tempo.helper.recyclerview.FastScrollbar
                android:id="@+id/fast_scrollbar"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:layout_marginBottom="@dimen/global_padding_bottom"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toTopOf="parent" />
        </androidx.constraintlayout.widget.ConstraintLayout>
    </androidx.coordinatorlayout.widget.CoordinatorLayout>
</LinearLayout>