code: public void setStackFromEnd(boolean stackFromEnd) {
          if (mPendingSavedState != null && mPendingSavedState.mStackFromEnd != stackFromEnd) {
              // override pending state
              mPendingSavedState.mStackFromEnd = stackFromEnd;
          }
          if (mStackFromEnd == stackFromEnd) {
              return;
          }
          mStackFromEnd = stackFromEnd;
          requestLayout();
      }
docs: Compatibility support for {@link android.widget.AbsListView#setStackFromBottom(boolean)}