I was just checking the design guidelines and wondering about the borderless buttons. I goggled and tried to find in the source but can't bring it together by myself. Is this the normal Button widget but you add a custom (Android default) style? How to make these borderless buttons (of course you can set the background to empty, but then I don't have the divider)?
Here links to the design guidelines:
You can use AppCompat Support Library for Borderless Button.
You can make a Borderless Button like this:
You can make Borderless Colored Button like this: