Good god! Consult use BottomNavigationView control fragments jump, how to limit fragments are not overloaded? Because I was taken from the database of data within a fragment, call every time they switch, too bad... Usage I learn the great spirit, a MAO, but he can't answer me, temporarily to help everyone, thank you very much!!!!!!

https://blog.csdn.net/u012678179/article/details/106012722