Most voted "firebase" questions
Firebase is a platform for real-time storage-based application development and data synchronization using client-side code only.
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answer117
viewsHow to get user order data in Firebase database?
I have an Android app in Kotlin that orders pizza delivery where the company receives the data of the user’s order and I want the user to also receive the data of the order he made, some time ago I…
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answer134
viewsHow to use Dynamic Links with the <projectID>.web.app domain?
I have an application hosted using a Hosting Service subdomain, this application also uses Dynamic Links It is possible to use a path, for example, /share/<link> in the same application…
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answer319
viewsChange Firebaseui template language
I need help changing the Firebaseui login template in Angular to English. Content from: user-signin.component.ts import { AngularFireAuth } from '@angular/fire/auth'; import * as firebase from…
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answer118
viewsError using firebase.firestore.Fieldvalue.serverTimestamp() method in an array
I am creating a system of questions and answers, and in this system and this system I need the answers to enter an array with the name of the respondent, the value of their response and the…
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answer110
viewsXamarin Firebase Auth does not install by Nuget
Good morning friends. I’m starting a project in Xamarin Forms for iOS and Android, and will use Firebase for Authentication (Xamarin.Firebase.Auth). But when selecting in the package manager (Nuget)…
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answer69
viewsJavascript variable created with get() in firestore document field
I need to feed a variable the contents of the field "site" of the document pre-selected in a collection "restaurants" in the Firestore, to then provide the hyperlink of the site with the tag…
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answers163
viewscheck if the name already exists in the firebase and c#
I have not been able to find any results for my question and I will try here. So, I have a firebase database in a c# application and I was wondering if it was possible to check if the name entered…
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answer83
viewsI cannot pass the key attribute of the object I want to edit
I’m trying to edit a device inside my CRUD, using Firebase’s Angular 9 and Realtime Database, by clicking on the "Edit" button, I’m redirected to another page so I can change the values of that…
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answer317
viewsProblem updating a list after inserting a data from another page
I have a page that has a list of the names of "students" registered in a given course. Then, I click on a button to add. This button leads to a screen with all the names of the "students". The…
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answer365
viewsError retrieving URL from Firebase, Flutter
Good night!!! I am developing an app in which it is possible to post photos. The user opens the camera (or picks it up from the gallery with Imagepicker) and clicks a button on the Appbar. When…
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answer53
viewsRegister authenticated users with Facebook in Firebase Database
Good night! Guys, I’m using Facebook login in my app and would like to register the user information in the database or firestore Realtime, as the name and email for example, I’ve recovered the…
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answer61
viewsUnsubscribe in Observable with Firebase
Hello I need help with a problem that is happening to me. I have a code to listen to changes in the firebase database. So, I have to subscribe to an observable that brings me the BD data. However,…
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answer97
viewsAdd values in Firebase Realtime Database
I have the following problem: I can save the user inputs in the firebase database, but I cannot sum the values in Javascript and make available in real time on the page. I want to add the data of…
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answers22
viewsMessaging Cloug Firebase sends only once
Hi. I have an Android app that uses Cloud Messages, however, I noticed that I have some APP’s that the message does not arrive. For example, I have active X Apps in the playstore, but Firebase shows…
java android android-studio firebase firebase-cloud-messagingasked 3 years, 10 months ago Joel Nascimento 21 -
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answers20
viewsHow to save spinner items in firebase
I’m a beginner in android studio and I stuck in a part, I already looked here in the stack I saw some possible solutions but they didn’t work for me, I don’t know if it’s because of my code, come…
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answer259
viewsHow to get id of data created in Firebase
To better illustrate... in my database I have a collection that stores the section of users. After creating the user my Javascript code adds one more user to the "users" collection and also an item…
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answers28
viewsDomain Error UNAUTHORIZED_DOMAIN:Domain not whitelisted by project
I am developing an application in which I wish to authenticate (login), via e-mail without password. I didn’t get much current documentation on this, so I took the firebase example itself on github.…
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answer32
viewsProblem using firebase Listen with mobx
Hello, good afternoon! I am trying to make a query on firebase using Listen to be notified every time a document is changed. However, Listen is always notified but the widget itself is not, even…
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answers18
viewsHow to restrict the collection format with rules in the Firebase Realtime Database?
When registering a user, I have to send this json to endpoint: { "email": "[email protected]", "firstName": "João", "lastName": "Silva", "password": "*********", "birthday": "2000-01-01" } However,…
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answer14
viewsSearch for no results in the Firebase database
Hello, I’m trying to access the items contained within a user in firebase’s Altime, but the return of the snapshot is coming empty, does anyone know where the error might be? const firebaseService =…
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answers233
viewsChat Javascript does not return function
I heard that the Firebase is an API that helps create real-time apps, but following a little I know about JS, I tried to create a chat. I did not understand exactly why I could not return message.…
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answer228
viewsUsing the json from firebase
As I can do, for example: there are routes, and on the routes there are points, and each point of the "table" point has an idRota, which identifies the route to which it belongs. I know how to do…
firebaseasked 8 years, 6 months ago Rafael Boava 1 -
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answer129
viewsLogin Firebase only works by double-clicking the ng-click button
I am making a login page with the email and password fields and a button that calls the following function: $scope.login = function(usuario){ $scope.isLoading = true;…
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answer41
viewsAuthentication using php and Azure webapp services
There’s something like Firebase - with AZURE cloud-ready authentication? How do I ask the question of php? You can help me with an example?
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answer147
viewsFirebase + Android + Spring to create Microservices
The idea is this: I have an android application that will consume my services that I will create using Spring. However, these services should have some security, where only people authenticated in…
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answer392
viewsAndroid does not resolve Firebase dependencies
I am having error in solving the dependencies of Gradle: I try to compile and get the following error: Error:FAILURE: Build failed with an exception. * What went wrong: A problem occurred…
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answer56
viewsInfiniti Scroll with firebase and Ionic
Guys I’m here in a pinch, I’m using firebase v3.2.1 and I’m trying to implement an Infinity Scroll with Ionic, the point is that I don’t know how to do, I googled and found a firebaseUtils library…
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answers234
viewsI need to click the button twice to get the value
Someone knows what I did wrong, because I need to double-click the button to pull the value. package fabiohcnobre.jhotelcolonialdosnobres; import android.os.Bundle; import…
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answer338
viewsWhat can you do with Google Firebase?
I met Firebase some time ago, but I could never do anything, I would like to know what I can use, do, create etc using the Apis, etc. Note: No Mobile app, only Web!
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answer255
viewsError while displaying information in Android + Firebase listview
I’m having two problems with this program... the first is that when registering it does not enter the first loop replay msm being td straight... it jumps and displays the message "no data"The second…
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answer730
viewsRecover firebase ID on a Listview
I’m trying to recover the firebase id on my android project. I’m starting firebase now and don’t know much. It’s kind of different from Parde where he already shows me the ID. Does anyone know how…
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answer222
viewsDoes Valueeventlistener count as a simultaneous connection in Firebase?
If my application in Firebase has 5 users and they all have a valueListenerEvent on, waiting for some change in the database, do I have 5 connections simultaneously? For example, in a chat using…
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answers76
viewsHow to Resolve App Shutdown Problem?
I’m creating an app in Android Studio and whenever I test it to see the progress it does not run, takes a break. app (app name) stopped. In Logcat appears this: W/Dynamitemodule: Local module…
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answers277
viewsPopulating a select with Angular2 and Firebase
blz? I’m starting in Angular2 and I’m finding Firebase a much better backend than Backand, because in a very short time I was able to connect to Firebase. The point now is, I’m trying to popular a…
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answer847
viewsTypeerror: Cannot read Property 'files' of Undefined
I have following code snippet for upload Storage firebse I am using typescript. uploadPhoto(photo) { //Get File this.file = photo.files[0]; // Erro nessa linha this.metadata = { 'contentType':…
firebaseasked 7 years, 11 months ago Douglas William 321 -
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answers888
viewsRecover Firebase Storage Image without Downloading
I made use of Firebase Storage to save images, now I want to grab them for users to see, there’s some way to do this without downloading the image?
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answers205
viewssend push notification when feed is changed
I need to send the push notification to users of my app, is a webview with some blogs feed, and when this feed(rss) is changed it automatically sends a notification to users.
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answer296
viewsHandle Firebase data in controller with angular 1
I’m working with Angular 1, Angularfire and Firebase. I made the following call that returns the following data: var _refLista = firebase.database().ref() $scope.lista =…
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answer293
viewsFirebase and Angular2
all right? I don’t know what’s left to get the answer from Firebase using Angular2. I followed a tutorial that worked, but when trying in my project, I get 'null'. I don’t know if I use…
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answer532
viewsHow do I save latitude and longitude in Firebase?
They told me you have to save how double, but I don’t know how to do it, If anyone can help me I appreciate :) public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {…
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answer120
viewsHow to use Angular Factory with firebase?
Good afternoon, Guys, I’m trying to create a Factory with firebase, to bring the data from it. My controller: app.controller('ListagemCtrl', function($scope, $location, $firebaseObject, $timeout,…
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answer118
viewsAdd +1 each time a Child is called Fire Base
Hello, here I am again with the saga of fire base :p, So how can I add +1 to child Users when someone enters an activity , in the case of a user profile, I want to do the same has in the profile…
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answers62
viewsHow to instantiate the Firebase object to my URL, Help with the Error below
package br.com.netcriativa.umadeb.activity; import android.app.ProgressDialog; import android.content.Intent; import android.os.Bundle; import android.support.annotation.NonNull; import…
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answers120
viewsHow to access DOM element from within the Clientesdao.js model?
I am making a query to the database and, to display the result in a #state element of the form, Nodejs does not recognize Document.getElementById('element'), nor jQuery. Error: ReferenceError:…
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answer59
viewsError: Firebase API initialization Failure
I’m making the following mistake: Firebase API initialization Failure. From this form, every time I send a notification through Firebase, the "crash app". Bundle dependencies { compile…
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answer98
viewsRun firebase on a single domain
I’m learning to work with firebase recently. I made a simple example removing user authentication to chat. That way I need to implement some kind of security, so I have two questions regarding the…
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answer42
viewsFriendlychat - date in messages
I implemented in my Android Studio project the Friendlychat available in codelab. But there’s no date and time in the messages. How to Implement the Date and Time in this Project? In this link are…
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answer154
viewsThumbnail image by Javascript and send to Firebase Storage
Ae Personal, currently I have a service to send image to Firebase and store its URL. So far so good, but I would like to generate a thumbnail of the same image and send it to firebase as well. For…
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answers371
viewsExport Data to Firebase
I would like to export data to my BD Firebase. I have a service set up in Visual Studio in C# which creates a list with name and price. I need to export this data to Firebase or export a txt file if…
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answers161
viewsHelp to filter json file from firebase in the application
I’m building an application that’s just an information filter that’s in the json of the firebase database. My headache is being where I’m going to apply the search code! for now it’s like this:…