Android/Material Design how to make a search box (with shadow, on a map) like in Google Maps?

Question

Android

How to make a search field (with shadow, on the map) like in Google Maps? With a shadow, when clicked, the activity with the search opens beautifully.

Answer 1

It looks like I found it myself https://github.com/Quinny898/PersistentSearch
True, not really, in the maps, when you click, another activity opens beautifully (like)