PolyBooks/sdp_polyBooks

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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">

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

        <TextView
            android:id="@+id/sale_or_book"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="20sp"
            android:layout_marginTop="10dp"
            android:layout_marginBottom="10dp"
            android:textAllCaps="true"
            android:textColor="@color/black"
            android:textStyle="bold"
            app:layout_constraintHorizontal_bias="0.2"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toStartOf="@id/filter_button"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toTopOf="@id/recyclerView"/>

        <Button
            android:id="@+id/filter_button"
            style="@style/Button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/filter"
            android:layout_marginTop="10dp"
            android:layout_marginBottom="10dp"
            app:layout_constraintHorizontal_bias="0.9"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintBottom_toTopOf="@id/recyclerView"/>

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/recyclerView"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:background="#70A6D2"
            android:padding="4dp"
            android:scrollbars="vertical"
            app:layout_constraintTop_toBottomOf="@id/filter_button"
            app:layout_constraintBottom_toTopOf="@id/bottom_navigation"/>

        <com.google.android.material.bottomnavigation.BottomNavigationView
            android:id="@+id/bottom_navigation"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:labelVisibilityMode="labeled"
            app:layout_constraintBottom_toBottomOf="parent"
            app:menu="@menu/bottom_navigation_menu" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</RelativeLayout>