Set a drawable for a FloatingActionButton

[viperey]

Hi.
I've just made an unofficial fork for setting a drawable at the menu fab.

The code is pure crap (i never worked with canvas before), but maybe you like to take a look and include this feature in your code in the future.

https://github.com/Viperey/floating-action-button

[chalup]

Customizing FloatingActionsMenu collapsed/expaned icon would be a nice addition, but it requires far more changes.

For me the whole appeal of this UI component is the meaningful animation: the plus icon with "add" semantics rotates to cross icon associated with "close" or "cancel" action. So it's not enough to customize the icons: you'd also have to make the animation of the icon transition and animation of expanding/collapsing buttons customizable. And at this point of customization it's probably easier to create entirely new component than apply all customizations to FloatingActionsMenu.