Yet again again again, I wonder about an evolution. I want Umbreon, but I don't know what counts as high friendship in Pokemon Amie.
Affection and Friendship are wholly different mechanics in Generation VI. The only Pokemon you obtain via Pokemon Amie is Sylveon, which requires two hearts -- no Friendship-based evolution needs Amie. Do note that Affection was merged into Friendship in Gen VIII.
Your Eevee, along with every other Friendship evolution, will need 220 happiness to evolve into Umbreon.
Friendship (Bulbapedia) Affection (Bulbapedia)