app/src/main/res/layout/activity_favorite.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
tools:context=".FavoriteActivity">
<androidx.appcompat.widget.Toolbar
android:id="@+id/Favorites_toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
android:elevation="4dp"
android:theme="@style/ThemeOverlay.AppCompat.Light"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
app:subtitleTextColor="@color/white"
app:titleTextColor="@color/white" />
<LinearLayout
android:id="@+id/columnLayout_Scrolling_LinearLayout"
android:layout_width="0dp"
android:layout_height="0dp"
android:orientation="vertical"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/guideline24"
app:layout_constraintStart_toStartOf="@+id/guideline23"
app:layout_constraintTop_toBottomOf="@+id/Favorites_toolbar">
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recycler_favorites"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scrollbars="vertical"
app:layoutManager="LinearLayoutManager" />
</LinearLayout>
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline23"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="@dimen/vertical_1"/>
<androidx.constraintlayout.widget.Guideline
android:id="@+id/guideline24"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="@dimen/vertical_2"/>
</androidx.constraintlayout.widget.ConstraintLayout>