anotherim/src/main/res/layout/activity_show_location.xml

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".ui.ShowLocationActivity">

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

        <org.osmdroid.views.MapView
            android:id="@+id/map"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"/>

        <android.support.design.widget.FloatingActionButton
            android:id="@+id/fab"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:layout_alignParentEnd="true"
            android:layout_gravity="end|bottom"
            android:layout_margin="16dp"
            android:contentDescription="@string/action_unfix_from_location"
            android:src="?attr/icon_directions"
            android:tint="@color/white"/>
    </RelativeLayout>
</layout>