Some Classes are missing like BaseSimpleActivity

[LotusLegends]

Some Classes are missing like BaseSimpleActivity please add all,
I need it very much.

[inson1]

@LotusLegends SMT apps were sold to ad company. SimpleMobileTools/General-Discussion#241
Fork is here https://github.com/FossifyOrg

[inson1]

That is part of commons library. https://github.com/SimpleMobileTools/Simple-Commons