and after commenting the block of code that was giving me error..
Error: B4A line: 124
MDB.withToolbar(ActionBar)
src\madmiciu\npsrodini\actsaldi.java:591: error: cannot access Toolbar
mostCurrent._mdb.withToolbar((androidx.appcompat.widget.Toolbar)(mostCurrent._actionbar.getObject()));
^
class file for android.support.v7.widget.Toolbar not found
You are using an old library that is based on Android Support Library. You can try to jetify it, though it is better to find a newer alternative library.
Edit: Cross platform example based on B4XPages https://www.b4x.com/android/forum/threads/b4x-b4xpages-b4xdrawer.120246/ A class that implements a sliding menu. Unlike the nice jfeinstein SlidingMenu library the drawer covers the activity instead of pushing it. It is similar to the various...