listView.dart

return ListView.builder(
                    itemBuilder: (BuildContext context, int index){
                      return ListTile(
                        title: Text(result.data["languages"]["edges"][index]["node"]['name']),
                        trailing: Text(result.data["languages"]["edges"][index]["node"]['saveFormat']),
                      );
                    },
                    itemCount: result.data["languages"]["edges"].length,
                  );