Android: adapt UI to display size

[mi-hol]

My phone doesn't have enough screen real estate to provide a good user interface. Maybe a tablet would be better? There's just not enough room to properly show the new text edit area and the new checkbox, and parts of them get cut off.

Originally posted by @turboencabulator in https://github.com/espotek-org/Labrador/issues/323#issuecomment-2822827067