I want to fetch values related to a particular key from the data received in my snapshot. This is my code: dbref.addValueEventListener(new ValueEventListener() { @Override public void onDataChange(@NonNull DataSnapshot snapshot) { for (DataSnapshot child : snapshot.getChildren()) { Log.d("output",child.getValue().toString()); } })…
I switched myself to Flutter but now I am facing some problems. I have an app in which I am getting this error. trying about 4 hrs ago but didn't come to any solution. ======== Exception caught by widgets library…
The version i used firebase_database: ^9.1.7, flutter_geofire: ^2.0.0
I would like to filter results by a certain child with equalTo but also want to paginate the results. I followed this answer but I'm getting this error: startAfter: Starting point was already set (by another call to startAt, startAfter,…
I'm trying to use Apple's App Store Server API to fetch transaction info about in-app purchases made in my iOS apps. Their server api uses JWTs to transmit/sign the data. I'm able to successfully fetch the data from Apple which…
In DB I have a collection called Users, in this case the global one, then comes the document referring to each user, inside there are separations according to what is necessary. In my case, the userData was created, but there…
I am quite new to flutter and challenging to create to show images in grid downloading file saved in firebase storage. Getting error code as below and I would like to know how I can fix nullable part... lib/artfolder.dart:53:21: Error:…
This is the view of my database: import React, { useState } from "react"; import { db } from "../firebase"; import { collection, Firestore, getDocs } from "firebase/firestore"; function Document() { const handleFetchData = async () => { //What should…
I am working on a react project in VS Code but whenever I try to connect to firebase functions using the 'firebase init' command, it does not show the right project in my email. It's showing a project in another…
I am building a flutter application where I am trying to upload an image to the firebase database but getting an error LateInitializationError: Field '_pickedImage' has not been initialized. Error: Unexpected null value. I have checked the null value as…