funkwhale-app-android/app/src/main/res/layout/activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout 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"
    android:background="@color/surface">

    <androidx.fragment.app.FragmentContainerView
        android:id="@+id/nav_host_fragment"
        android:name="androidx.navigation.fragment.NavHostFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_marginBottom="?attr/actionBarSize"
        app:defaultNavHost="true"
        app:navGraph="@navigation/main_nav"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

    <audio.funkwhale.ffa.views.NowPlayingView
        android:id="@+id/now_playing"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:layout_gravity="bottom"
        android:layout_margin="8dp"
        android:alpha="0"
        android:visibility="gone"
        app:cardCornerRadius="3dp"
        app:cardElevation="12dp"
        app:layout_dodgeInsetEdges="bottom"
        tools:alpha="1"
        tools:visibility="visible">

        <include
            android:id="@+id/now_playing_container"
            layout="@layout/partial_now_playing" />

    </audio.funkwhale.ffa.views.NowPlayingView>

    <com.google.android.material.bottomappbar.BottomAppBar
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom"
        android:theme="@style/AppTheme.AppBar"
        app:backgroundTint="@color/elevatedSurface"
        app:layout_insetEdge="bottom"
        app:navigationIcon="@drawable/funkwhaleshape"
        tools:menu="@menu/toolbar" />

</androidx.coordinatorlayout.widget.CoordinatorLayout>