Ask Amy: Husband gives wife the smartphone pause

Dear Amy: My husband and I have been married for four years.
Lately, I’ve noticed that I’ll enter a room and remark about something I’d love to do that day, and he ignores me.
I don’t get a head nod, grunt or eye contact. Oftentimes he’s checking social media, and he’ll say, after an awkward three minutes of silence, “Sorry, I was just reading something.”
I certainly don’t need to be acknowledged ALL the time, nor does the room have to be fil