bug:
2871538
Change-Id: I7ab4a9bb722ee8b3e5d740f79143776be8b56a6f
to be able go to a subsequent screen B and then use the BACK key to go
back to screen A, then the screen A needs to be implemented as an
activity. The one exception to this rule is if your application
- <a href=#taking_over_back_key title="takes control of the BACK key"
- takes control of the BACK key</a> and manages the navigation itself.
+ <a href="#taking_over_back_key">takes control of the BACK key</a> and manages the navigation
+itself.
</p>