I\'m working on and activity with arabic language. I want the hint of the username and password to start from the right and I have no problem f typing started from the left
I think you can fix it by adding \u202B to the Hebrew/Arabic (or any other RTL language) text .
\u202B
Example:
Sadly it seems it doesn't get shown on the layout preview, but it worked for me on a real device. Wrote about it here