java.lang.IllegalStateException: No activity

Question

I\'m building an Android app for which I\'d like my first activity to be composed of 2 tabs, one for the user\'s profile, and one for the friends\' activity. For these tabs,

Answer 1

Finally found out what this was about: the "no activity" crash was due to the fact that I was using a wrong FragmentManager to nest Fragments.

For nested fragments, the only valid FragmentManager is the one obtained in the containing Fragment, by calling getChildFragmentManager().