I'm implementing an online presence feature in an Android app, recording a heartbeat periodically while the client is active. I'm using RTDB timestamp for this. But the recorded data is on the order ...

How to index Firebase Realtime Database for leaderboard and get current user’s rank? I’m using Firebase Realtime Database to store user data for a game. I want to implement a leaderboard based on the ...

I am working on an ESP8266-based IoT project (waste segregation system) and trying to send data to Firebase Realtime Database. I am using the latest Firebase ESP8266 Client library (FirebaseESP8266.h) ...

I'm having a problem with my Flutter SDK code where when I call the function to fetch data from the databaseReference it returns all the data from my database (8950 items), even though I'm doing the ...

i created a QR code scanning app to scan a ticket, with using a firebase as database, with HTML and Javascript. I have pass to connect to database but when i read the data it seems doesn't read a data ...

I am working on my store project using JS. I have the addToCard code to add a product to the cart. This code works, but I would like to add the product only once. After which, when I click the button(...

I have updated my security rules and they look like this: { "rules": { ".read": false, ".write": false, "development": { "events":...

I'm developing a Chrome Extension using Manifest V3 and Firebase Realtime Database. I'm experiencing intermittent CSP (Content Security Policy) violations that only occur randomly, sometimes the ...

In the Realtime Database, if we want to block all writes to an entire Realtime Database database based on some boolean contained therein, what is the proper way to do it? Let's say in Realtime ...

I'm using Firebase Realtime Database in a Flutter app and listening for updates using the onValue stream. Here's the code I’m using: _plansSubscription = _plansRef .orderByChild('userId') ....

I have an Android app that uses the Firebase Realtime Database. The app works perfectly on mobile data networks (like Vodafone 4G) and most Wi-Fi networks. The Problem: When the device is connected to ...

I have a simple program to show real-time postview counts. But in Firebase, it says Your security rules are defined as public, so anyone can steal, modify, or delete data in your database Every ...

I want to perform something like pagination and receive portions of data inside this ids. Lets say I want to limit them to first 4 elements. I want to receive objects inside this ids starting at 1. ...

Firebase Realtime Database just refuses to allow me to delete a node that's too large (I think larger than 1MB). Here is what I tried: Deleting from the client Deleting from the Firebase console ...

Why does Firebase Realtime Database's transaction work without the await keyword as the updated official doc example shows (a few years ago, they all required await)? These write methods still return ...