void _getQuestions() async {
    // Query Firestore for questions with the specified tags
    Query query = await _firestore
        .collection('questions')
        .where('tags', arrayContainsAny: widget.tags);
        QuerySnapshot querySnapshot = await query.getDocuments();
    setState(() {
      _questions = querySnapshot.documents;
    });

importing cloud_firestore.dart.

I expected the errors to leave, but they are still around.

CodePudding user response：

The method to get the documents is called get() in Flutter, not getDocuments().

I recommend keeping the Firebase documentation handy for this sort of thing, for this case that'd be the section on getting multiple documents from a collection