CODEWITHSUNDEEP
androidiosfluttergoogle-cloud-firestore
Shaurya Kohli
Shaurya Kohli

Reputation: 65

The return type 'List<dynamic>' isn't a 'List<Entry>', as required by the closure's context

import 'dart:html';

import 'package:cloud_firestore/cloud_firestore.dart';

class FirestoreService {
  FirebaseFirestore _db  = FirebaseFirestore.instance;

  //Get Entries
  Stream<List<Entry>> getEntries() {
    return _db
        .collection('entries')
        .snapshots()
        .map((snapshot) => snapshot.docs
        .map((doc) => Entry.fromJson(doc.data()))
        .toList());
  }


  //Create


  //Update



  //Delete


}

Hi, this is my code Im getting this error which says the return type List(dynamic) isn't a List(Entry), as required by the closures's context. How to rectify this? Thanks

Upvotes: 1

Views: 1288

Answers (1)

Raul Sauco
Raul Sauco

Reputation: 2705

Give map some help by providing a type:

.map<Entry>((doc) => Entry.fromJson(doc.data()))

The whole method would be:

//Get Entries
Stream<List<Entry>> getEntries() {
  return _db
    .collection('entries')
    .snapshots()
    .map((snapshot) => snapshot.docs
    .map<Entry>((doc) => Entry.fromJson(doc.data()))
    .toList());
}

Your method returns a List<Entry> but the return expression returns a List<dynamic> unless you explicitly cast the result to Entry.

Adding the type should solve the problem.

Upvotes: 3

Related Questions