All the reasons I can find for using Fragments in Android activities have to do with having the ability to display multiple classes/view in the same screen, encapsulating multiple logical components, etc.
Considering all this, it seems, fragments are only actually useful when you employ the use of many of them.
Is that so? Is there ever a point of using just one fragment in an activity?
I ask now because I saw an option on Android Studio to do just that, and I am wondering what the point is.
Out of my personal opinion, I would say yes.
For the following reasons:
According to google coding guidelines, it is best practice to create as few Activities as possible, and create multiple Fragments instead that are switched inside an Activity.