Sorry for the delay in responding - was not able to get back to my project for a while. However, I found the problem and the solution in another post whe I did some more searching.
See
EditText BackGround Color not at full whidt problem
Discussion in '
Android Questions' started by
sdesan,
May 26, 2017.
It is exactly what was happened and the solution worked!
However, I'm curious why this work around was needed. Can you explain?
Regards to to all for helping, and to sdesan for the solution.