MaterialBetterSpinner selection remove

[nirwal]

Hi , Is there any option to remove the selection of MaterialBetterSpinner.
Like there is two MaterialBetterSpinner one for country and second for city-
If i change the country selection city MaterialBetterSpinner nedds to clear nd add new values according to new country.
So how i can remove the selection. setselection method not wokring.

[helpdesskApplication]

I have a similar issue, is there any resolution.