Category "firebase-realtime-database"

How do we open google map from a button inside onBindViewHolder? [duplicate]

I would like to open google map on button click. The code below works but when I went back to the app, it throws FATAL EXCEPTION. The button i

Firebase Realtime database filter by child list content

I have the following Firebase Realtime database products data { "-N1OHKTcbZ1h1kJQYSW-": { "images": [ "image1", "image11" ], "name": "

Newtonsoft.Json.JsonSerializationException Message=Cannot deserialize the current JSON object

here the ex Newtonsoft.Json.JsonSerializationException Message=Cannot deserialize the current JSON object (e.g. {"name":"value"}) into type 'System.Collection

Firebase signInWithEmailAndPassword and onAuthStateChanged Realtime Database logging issue

I'm working on a webpage using HTML5 CCS etc, where it uses a authentication process using firebase for users. Its my first time ever working on firebase, so i

Could not find a working python interpreter. Unity, Firebase

Could not find a working python interpreter. Please make sure one of the following is in your PATH: python python3 python3.8 python3.7 python2.7 python2 I insta

How to listen to realtime database changes (like a stream) in firebase cloud functions?

I am trying to listen to the changes in a specific field in a specific document in Firebase Realtime database. I am using Node JS for the cloud functions. this

How can i get the value inside the child and put it on a array

heres a image of my database: heres my code Query countQuery = databaseReference.child("evacuation").orderByChild("evacuationNumber"); List<Places> plac

Firebase profiling for a specific device?

As per documentation we can measure the performance of our Firebase Realtime Database with the database profiler tool. Since my app is in live and I want to che

Firebase read and onClick handler Error in reading the Firebase value: pricecode

Please tell me specifically how to fix the function so that when the button is clicked (onclick handler) passes the value from the database to the firebase USER

Firebase Query in Android returns random number of items altough multiple items match the query

I am using the Firebase Realtime database and I constructed a query for the node "Orders" which should return all items whole attribute "orderID" is equal to 2.

Enforcing AppCheck on Firebase Realtime Database has no effect

I have a webpage which receives data from a realtime database using the following javascript code: firebase.initializeApp(fbConfig); firebase.appCheck().act

react-native-firebase realtime database .ref doesn't work

I can't read or write into my database, so I was trying to figure out the problem. When I run console.log(database().ref("/users/123")); I get "null/users/123"

The method '[]' can't be unconditionally invoked because the receiver can be 'null' what is the problem

I want to show the staff list in the Firebase database. However, I am getting the following error. import 'package:firebase_database/firebase_database.dart'; c

Firebase security rules with Facebook and Twitter APIs

i have android app with used Firebase as database, there are security rules should be added in Firebase platform, i tried to them, but when i added the below co

remove and update items in listview at firebase database

May you help us with our school project. We are trying to delete and update items in listview and firebase database. The delete works but only delete the values

Remove null from a json data (python)

When I use the Rest API to download data from Firebase, it looks like this. { "Dataset1": [ null, { "Key1": 1, "Key2": 2 }, {

Casting DatabaseEvent snapshot.value to a specific type in Flutter

I'm trying to retrieve data from a DatabaseEvent event type. The data I have on the database is this in this layout Basically some users id and each user has a

c# Firesharp - How to update a single value of an object?

I have a c# project and I'm trying to update a single value of an object using FireSharp. However, when I do, it deletes the other objects that are strings. tld

How to create array of objects in firebase

I am working on a project developing a car rental app. The app can be accessed by admin and user both with different roles. So at the moment i'm saving the car

Cannot resolve symbol 'FirebaseInstanceId' Android

I started to encounter this error when I upgraded the version of the project to androidx. I also upgraded the firebase sdks. I started getting error "Cannot res