Developer ( Android, F#, Elixir, Reason )
By default Kotlin classes final and you can’t use mock on finals. Now, today this is a not a problem with…
UPDATE: Support Library 26 and Android Oreo ( API 26 ) now have first class support for custom fonts. See https://developer.android.com/guide/topics/ui/look-and-feel/fonts-in-xml.html#using-support-lib for more details.