done, but there are still problems
B4A Version: 9.30
Java Version: 8
Parsing code. (1.28s)
Building folders structure. (0.10s)
Compiling code. (0.93s)
Compiling layouts code. (0.12s)
Organizing libraries. (0.00s)
(AndroidX SDK)
Generating R file. (0.00s)
Compiling generated Java code. Error
B4A line: 241
PC.AddPage(View, Title)
javac 1.8.0_60
src\dev\meta\sb\cuserinterface.java:186: error: cannot access PagerAdapter
_pc.AddPage((android.view.View)(_view.getObject()),_title);
^
class file for android.support.v4.view.PagerAdapter not found