app/src/main/res/layout/activity_feed.xml
<?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"
tools:context=".posts.feed.FeedActivity">
<RelativeLayout
android:id="@+id/list_posts"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/sort_by"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:lineSpacingExtra="3sp"
android:text="@string/sort_by"
android:textSize="16sp" />
<Spinner
android:id="@+id/sort_spinner"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_toEndOf="@+id/sort_by" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/feed_recycler_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/sort_spinner"
tools:layout_editor_absoluteX="12dp"
tools:layout_editor_absoluteY="33dp" />
</RelativeLayout>
<com.google.android.material.bottomnavigation.BottomNavigationView
android:id="@+id/navigation"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
app:itemIconTint="@drawable/navigation_selector"
app:itemTextColor="@drawable/navigation_selector"
app:menu="@menu/home_navigation_menu" />
</RelativeLayout>