CollectionList.dart

Widget makeCollectionList(JweleryKartBloc bloc) => Container(
      height: 300.0,
      child: Card(
          margin: EdgeInsets.all(0.0),
          shape: RoundedRectangleBorder(borderRadius: BorderRadius.zero),
          child: Column(
            children: <Widget>[
              Text("Collections"),
              StreamBuilder(
                stream: bloc.menCollections,
                builder: (BuildContext context,
                    AsyncSnapshot<List<Collection>> snapshot) {
                  if (!snapshot.hasData)
                    return Center(
                      child: CircularProgressIndicator(),
                    );
                  else
                    return ListView.builder(
                      itemCount: snapshot.data?.length,
                      shrinkWrap: true,
                      scrollDirection: Axis.horizontal,
                      itemBuilder: (BuildContext context, int position) =>
                          makeCollectionItem(context, snapshot.data[position]),
                    );
                },
              )
            ],
          )),
    );


Widget makeCollectionItem(BuildContext context, Collection collection) =>
    InkWell(
      onTap: () {},
      child: Card(
        child: Column(
          children: <Widget>[
            Container(
              height: 200.0,
              width: 200.0,
              decoration: BoxDecoration(
                  image: DecorationImage(
                      image: NetworkImage(collection.collectionImageURL))),
            ),
            Text(
              collection.collectionName,
              style: TextStyle(
                fontSize: 20.0,
                fontWeight: FontWeight.bold,
              ),
            )
          ],
        ),
      ),
    );