android - Flutter Firestore QuerySnapshot has no instance of getter 'document

Question

I'm using this to get a list of messages from the firestore database, however, it's giving me an error:

flutter: The following NoSuchMethodError was thrown building: flutter: Class 'QuerySnapshot' has no instance getter 'document'. flutter: Receiver: Instance of 'QuerySnapshot' flutter: Tried calling: document

The code that I'm using is :

StreamBuilder(
                stream: Firestore.instance
                    .collection('messages')
                    .document(groupId)
                    .collection(groupId)
                    .orderBy('timestamp', descending: true)
                    .snapshots(),
                builder: (BuildContext context, AsyncSnapshot snapshot) {
                  if (!snapshot.hasData) {
                    return Center(
                      child: CircularProgressIndicator(),
                    );
                  } else {
                    listMessage = snapshot.data.documents;
                    return ListView.builder(
                      padding: EdgeInsets.all(10.0),
                      itemBuilder: (context, index) =>
                          buildItem(index, snapshot.data.document[index]),
                      itemCount: snapshot.data.documents.length,
                      reverse: true,
                      controller: scrollController,
                    );
                  }
                },
              ),

I'm new to Firestore and noSQL can anyone help here please?

Answer 1

Waitting for answers