fragment_main.xml

<?xml version="1.0" encoding="utf-8"?><!--
  ~ Copyright 2018 Sudhir Khanger
  ~
  ~ Licensed under the Apache License, Version 2.0 (the "License");
  ~ you may not use this file except in compliance with the License.
  ~ You may obtain a copy of the License at
  ~
  ~     http://www.apache.org/licenses/LICENSE-2.0
  ~
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.
  -->

<layout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <data />

    <android.support.constraint.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@android:color/black"
        >

        <android.support.v7.widget.RecyclerView
            android:id="@+id/movie_recycler_view"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_marginStart="4dp"
            android:layout_marginLeft="4dp"
            android:layout_marginTop="4dp"
            android:layout_marginEnd="4dp"
            android:layout_marginRight="4dp"
            android:layout_marginBottom="4dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />
    </android.support.constraint.ConstraintLayout>
</layout>