How to highlight ImageView when focused or clicked?

Question

A good example of this is either on the Twitter launch screen (the screen with the large icons that is seen when the application is first launch) or even just look at the ap

Answer 1

I put together small library that should help with that: https://github.com/noveogroup/Highlightify

Basically it creates selector in runtime, and it should be really easy to use. Though, focused state not supported yet...