Фрагмент с BottomSheet

gistfile1.txt

<?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"
    android:id="@+id/activity_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <androidx.fragment.app.FragmentContainerView
        android:id="@+id/mapView"
        class="com.google.android.gms.maps.SupportMapFragment"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#FFFFFF">

    </androidx.fragment.app.FragmentContainerView>

    <ImageButton
        android:id="@+id/btn_settings"
        android:layout_width="40dp"
        android:layout_height="40dp"
        android:layout_gravity="end"
        android:layout_marginTop="@dimen/spacing_normal_16"
        android:layout_marginEnd="@dimen/spacing_normal_16"
        android:background="@drawable/btn_round_bg"
        android:contentDescription="@string/description_btn_settings"
        android:scaleType="centerInside"
        android:src="?attr/settingsIcon" />

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

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        style="@style/WhiteButtonStyle"
        android:theme="@style/WhiteButtonTheme"
        android:id="@+id/bottomsheet_back_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_bottomsheet_return_button"
        app:backgroundTint="@android:color/white"
        app:layout_anchor="@id/bottom_sheet"
        android:layout_marginLeft="25dp"
        app:layout_anchorGravity="top|start" />

</androidx.coordinatorlayout.widget.CoordinatorLayout>