activity_main

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:shimmer="http://schemas.android.com/apk/res-auto"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:background="@android:color/white"
  tools:context=".MainActivity">

  <com.facebook.shimmer.ShimmerFrameLayout
    android:id="@+id/mShimmerViewContainer"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="center"
    android:orientation="vertical"
    shimmer:duration="800">

    <!-- Adding 3 rows of placeholders -->
    <LinearLayout
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      android:orientation="vertical">

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

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

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

    </LinearLayout>

  </com.facebook.shimmer.ShimmerFrameLayout>

  <androidx.recyclerview.widget.RecyclerView
    android:id="@+id/recyclerView"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:scrollbars="vertical" />

</RelativeLayout>