com.example.icallerscreenj, PID: 29583 java.lang.NullPointerException: Attempt to invoke virtual method 'androidx.recyclerview.widget.RecyclerView$LayoutManager androidx.recyclerview.widget.RecyclerView.getLayoutManager()' on a null object reference at xyz.danoz.recyclerviewfastscroller.calculation.progress.VerticalLinearLayoutManagerScrollProgressCalculator.calculateScrollProgress

[masif040]

com.example.icallerscreenj, PID: 29583
java.lang.NullPointerException: Attempt to invoke virtual method 'androidx.recyclerview.widget.RecyclerView$LayoutManager androidx.recyclerview.widget.RecyclerView.getLayoutManager()' on a null object reference
at xyz.danoz.recyclerviewfastscroller.calculation.progress.VerticalLinearLayoutManagerScrollProgressCalculator.calculateScrollProgress

i have issue with this