In firebase I have a bunch of documents I need to download them in batches of then from newest to oldest I tried to order my documents by a timestamp in descending order and use startAfter(LastDocument)to paginate through the results.…
While fetching the list of data from Firebase Firestore using Stream Builder in the StreamSubcription listener fetching it as QuerySnapshot and is not able to cast to a List. late StreamSubcription _listener; final _controller = BehaviorSubject<List<Object>>(); Stream<List<Journey>> get getList =>…
I'm trying to follow the docs regarding get started with a Firebase Extension using Firebase Functions Firestore 2nd-gen. Inside my extension.yaml file I have created a resource: resources: - name: onDocCreate type: firebaseextensions.v1beta.function description: >- A function that fires when…
I want to fetch learners enrolled in a specific subject. the collectionGroup works dbFire4 = Firebase.firestore dbFire4.collectionGroup("ClassEnrolled") .whereEqualTo("classID", classID) .get() .addOnSuccessListener { for (doc in documents) { val empData = doc.toObject(LearnerModel::class.java) learnerList.add(empData) } val mAdapter = LearnerAdapter(learnerList) recViewLearnerList.adapter = mAdapter…
I am new to Android development, and I'm looking for guidance on how to load Firestore document data into a LazyColumn Jetpack Compose in ascending order. Here is my Document List In the Firebase Database My document list in Firestore…
I see typeOf error on default keyword. Here are my imports: import { AngularFirestore } from '@angular/fire/compat/firestore'; import { map } from 'rxjs/operators'; import firebase from 'firebase/compat/app'; import 'firebase/compat/firestore'; export class PostsService { constructor(private afs: AngularFirestore) { } countViews(postId: any){…
I want to reduce the number of reads in my firebase application. I watched this video, but still unsure of how to implement in my project https://www.youtube.com/watch?v=oDvdAFP6OhQ There are a couple of posts , but they are 4 or 5…
I'm trying to migrate to Could Functions 2nd gen. Here is what I have tried: import { onDocumentWritten, Change, FirestoreEvent } from "firebase-functions/v2/firestore"; exports.myfunction = onDocumentWritten("users/{userId}", (event) => { console.log(event.data.after.data()); }); I following the docs but there is nothing mentioned…
I have multiple firestore databases in my project. The databases were created using the command line and I can see it in the Firestore Databases preview following the instructions here: https://cloud.google.com/blog/products/databases/manage-multiple-firestore-databases-in-a-project I am able to connect to the default database,…
I have a StreamBuilder and an int To increment number to do that I use setState function. And the problem is the StreamBuilder always getting new data every time setState is accur is there anyway to make the StreamBuilder not…