+ <com.google.android.material.floatingactionbutton.FloatingActionButton
+ android:id="@+id/fabAdd"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="bottom|end"
+ android:layout_marginEnd="@dimen/fab_margin"
+ android:layout_marginBottom="@dimen/fab_margin"
+ android:contentDescription="@string/add_button_description"
+ android:padding="@dimen/fab_margin"
+ android:tint="?android:attr/colorBackground"
+ android:visibility="visible"
+ app:backgroundTint="?colorSecondary"
+ app:layout_behavior="@string/hide_bottom_view_on_scroll_behavior"
+ app:layout_constraintBottom_toBottomOf="parent"
+ app:layout_constraintEnd_toEndOf="parent"
+ app:srcCompat="@drawable/ic_save_white_24dp"
+ />