<android.support.design.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <android.support.design.widget.FloatingActionButton
            android:id="@+id/first"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/directions"
            app:backgroundTint="@android:color/holo_blue_light"
            app:elevation="6dp"
            app:pressedTranslationZ="12dp"
            android:layout_above="@+id/uer_position"
            android:layout_alignParentRight="true"
            android:layout_alignParentEnd="true" />

        <android.support.design.widget.FloatingActionButton
            android:id="@+id/second"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/my_location"
            app:backgroundTint="@android:color/white"
            app:elevation="6dp"
            app:pressedTranslationZ="12dp"
            android:layout_alignParentBottom="true"
            android:layout_alignParentRight="true"
            android:layout_alignParentEnd="true" />

        </RelativeLayout>

<dimen name="btn_fab_margins">16dp</dimen>

<dimen name="btn_fab_margins">0dp</dimen>

android:layout_margin="@dimen/btn_fab_margins"