repeatingAdInsideListview.dart

//where _kAdIndex is an int and after each -kAdIndex in the listView Ad is displayed

ListView.builder(
                      controller: _scrollController,
                      cacheExtent: 20,
                      itemCount: data.layoutList.length +
                          (data.layoutList.length ~/ _kAdIndex),
                      itemBuilder: (BuildContext context, int index) {
                        if (index != 0 && (index + 1) % (_kAdIndex + 1) == 0) {
                          print(index);
                          print(index ~/ _kAdIndex);
                          return MyAdWidget();
                        } else {
                          return LayoutListItem(
                            layout: data
                                .layoutList[index - (index ~/ (_kAdIndex + 1))],
                          );
                        }
                      },
                    )