You're reading a gripping article or story on your phone and suddenly, the display goes a little dim. You know the 30 seconds or 1 minute display timeout you've set is great for regular use, but for reading stacked pieces of text, it's not nearly enough to get through one screen. So you touch the display a little, maybe swipe up and down, just to keep it from sleeping and you continue reading. With Android P, you can do something else: touch the fingerprint scanner.

Read More