<androidx.coordinatorlayout.widget.CoordinatorLayout android:layout_width="match_parent" android:layout_height="match_parent"> </androidx.coordinatorlayout.widget.CoordinatorLayout> <com.google.android.material.floatingactionbutton.FloatingActionButton android:layout_width="wrap_content" android:layout_height="wrap_content" app:layout_behavior="com.example.MyCustomBehavior" /> class MyCustomBehavior extends CoordinatorLayout.Behavior<View> { @Override public boolean onStartNestedScroll(@NonNull CoordinatorLayout coordinatorLayout, @NonNull View child, @NonNull View directTargetChild, @NonNull View target, int nestedScrollAxes) { return true; } @Override public void onNestedScroll(@NonNull CoordinatorLayout coordinatorLayout, @NonNull View child, @NonNull View target, int dxConsumed, int dyConsumed, int dxUnconsumed, int dyUnconsumed) { } }