exemplo_hero_first_page_item.dart

Widget _getItem(IconData iconData, String name, String tag) =>
      GestureDetector(
        child: Card(
          child: Padding(
            padding: const EdgeInsets.all(10.0),
            child: Row(
              children: [
                Hero(child: Icon(iconData), tag: tag),
                Expanded(
                  child: Text(
                    name,
                    textAlign: TextAlign.center,
                  ),
                ),
              ],
            ),
          ),
        ),
        onTap: () => Navigator.push(
          context,
          PageRouteBuilder(
            transitionDuration: Duration(seconds: 2),
            pageBuilder: (_, __, ___) => SecondPage(
              iconData: iconData,
              tag: tag,
              text: name,
            ),
          ),
        ),
      );