1<com.google.android.material.floatingactionbutton.FloatingActionButton
2 android:layout_width="wrap_content"
3 android:layout_height="wrap_content"
4 android:layout_margin="16dp"
5 app:fabSize="normal"
6 android:src="@drawable/ic_add_white_24dp"
7 app:layout_anchor="@id/bottom_app_bar"/>