My question is apart from the obvious inheritance differences, what are the main differences between Fragment and FragmentActivity? To what scenarios are each class best sui
a FragmentActivity is an ad-hoc activity that contains Fragment. In these few words I have explain you one of the main important changes that, with android 3.0(HoneyComb), android team has inserted in the android sdk.
With these new kind of concept your pieces of code and layout becomes more flexible and maintainable. If you search on google there are a lot of examples.