Floating Action Button Icon not centered inside

Question

I\'m trying to use a FAB but the icon inside is placing at bottom right of the button:

FAB with icon not centered

This is the FAB definition in the xml:

Answer 1

After updating to SDK 28, I've got the same problem. Changing the size, scaleType, layout_gravity, etc will return the same.

My current short-term solution is using the ImageButton.