How to custom size image full width and height inside CounterFab

[NguyenVanLinh2016]

<com.andremion.counterfab.CounterFab
android:id="@+id/image_view_cart"
android:layout_width="32dp"
android:layout_height="32dp"
android:src="@drawable/shoppingcart"
android:layout_alignParentRight="true"
android:layout_marginRight="@dimen/margin_8dp"
android:layout_centerVertical="true"
app:backgroundTint="@null"
android:background="@null"
android:scaleType="centerCrop"/>

[NguyenVanLinh2016]

[andremion]

The CounterFab flows the same rule of FloatingActionButton because it is a FAB.
So you can set the size using the xml attribute app:fabSize or the method setSize