How best to re-create markers/polylines when phone is rotated (orientation change)

Question

Background:

• Developing a native Android App that uses Android Google Map v2, uses android.support.v4.app.FragmentActivity. Runs on An

Answer 1

It seems to me that calling setRetainInstance(true); on the fragment that holds the map retains everything on the map through pauses, orientation changes, etc, without having to worry about setting and getting. Is there some reason why this isn't the recommended approach?