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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answer56
viewsHow to use Rncryptor and Firebase?
I’ve been researching ways to encrypt the user data of an Android application that uses Firebase. In this article Rncryptor is recommended, but without details of the implementation. I found this…
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answers16
viewsFailed to Bounce to type?
The error occurs when I add the long type attribute, with the String type does not give error, I can insert in the database but gives error in the getvalue. Follows the code package…
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answer894
viewsRegistration confirmation email with Firebase
I’m trying to use the method sendEmailVerification() of Firebase after registration of the user through the Login by e-mail. My problem is that I do not have the option to use this method after…
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answer176
viewsPersist data from Storage Firebase
Good guys I started working with firebase Torage, I was able to send and receive data from firebase normally using documentation. However I would like the photo that the user sent and received was…
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answer283
viewsProblems creating Child in Firebase
I’m trying to add dishes to my firebase database but I’m having some problems so far I don’t know why it doesn’t work. and makes this mistake: Process: meals.com.meals, PID: 1585…
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answer521
viewsHow do you make two apps use the same database in firebase?
good afternoon! I’m starting in the world of mobile development. I would like to develop two apps. Where the A app records and reads certain data and this data is viewed (read only) by the B app.…
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answer147
viewsInsert data into firebase from Alertdialog
Guys I’m having a question, I was wondering if you have how to store data in firebase from a custom Alertdialog? If I wanted the help of you to create a logic and make this idea happen, I think that…
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answer709
viewsHow to add an image stored in firebase Torage to imageView inside an infowindow of a Marketer?
I need to download a firebase image and display it in a custom infowindow on a map. public class MapaFocosActivity extends AppCompatActivity implements…
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answers95
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answer126
viewsConsultations with Firebase
I have an error when I perform the queries in firebase, my code for consultation is as follows: @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState);…
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answer204
viewsValidating whether or not there is a user with Firebase
I’ve created a registry, web, on Firebase. I can sign up, but if I get a valid email and password, I don’t get redirected into the system. And if I put an email and any password, it does not show…
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answers96
viewsRun command on android via firebase notification
In my app I need to send a notification via firebase and run a native android command. For example, I’m testing this by turning on the flashlight. When I send the notification with the app opened…
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answer87
viewsIonic Push: Error: INVALID_SENDER - IONIC 2
Fala galera! I’m developing an app in which I have to use push notification. I followed the entire IONIC guid tutorial on this link, more than once, and I did not succeed. I also followed this…
ionic apache-cordova firebase push-notification cordova-pluginasked 7 years, 4 months ago Jocsã 357 -
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answers460
viewsError when connecting app with Firebase
I’m trying to connect my App to Firebase, I’ve already followed the steps taken on the site, in addition to watching some videos from other authors, but I always come across the following problem:…
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answer31
viewsFirebase Cloud Function being called twice
I have the following function: 'use strict'; const functions = require('firebase-functions'); const admin = require('firebase-admin'); exports.myFunction =…
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answers1340
viewsHow to recover all data inside the key in Firebase
I have this structure at Firebase. And I need to capture all the latitudes and longitudes that are inside each key, I did a test and it’s working if I put this data in a folder without the key it…
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answer53
viewsData returns after view presentation
The Firebase query seems to return the data after generating the view, so it appears empty, but the data is populated in the log. What could I be doing wrong? public class ConsultarActivity extends…
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answer203
viewsProduction Application, how to recover data from firebase in recyclerview?
Good morning guys I’m developing an app and I’m on the employee listing and production("this listing in a single line in recyclerview referring to the would work")but I’m in trouble because I don’t…
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answer157
viewsHow to allow one device to be logged in at a time
I have an app that when installed and logged in by firebase, the user will not be able to use your account on another device. In case, if you need to change the device the user will have to ask for…
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answer28
viewsI cannot open a message sent by firebase
I can send a firebase notification to my App but I can’t Open that same notification within the actidity responsible for the arrival of that notification
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answer74
viewsMathematical operation onBindViewHolder
I’m trying to do a mathematical operation by taking a number of Child in the firebase, more often than not the error of converting string... the getCounter this as Stringno model , more when I…
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answer38
viewsHow to exchange data between a web page with App using Firebase
I have a web page where I want to receive information from an App or exchange information between them but using Firebase, the App sends the information to the web page and the user responds with a…
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answer112
viewsFirebase: App rebooting alone
I’m developing an android app, and I’m using Firebase’s Realtime Database to store the data. There I have a user node, with all the users I have registered through my App. When I make a change to…
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answer305
viewsFirebase authentication
I developed an Android + Firebase app (authentication + Storage + database). While this in the tests on Android Studio + authentic smartphone and works perfectly. I posted last Tuesday and after I…
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answer112
viewsHow to consult the firebase database via an HTML or PHP page
I have a database already created already receives data in firebase, that same data is sent from my App. The possibility of consulting this same data in firebase through a page made in HTML or PHP…
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answers147
viewscommunication between a web console with the firebase database
I can read the data from the dp firebase database through a web console. This search of the data can be done through an HTML page knowing that the data is already stored in the database? NOTE: This…
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answers769
viewsResize an image before uploading to Firebase
I want to resize the image that is in imageView coming from a camera or gallery before sending to Firebase, as you can see is being sent the "filepath" that is a Ri so I can not use scaleDown code.…
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answer135
viewsI can’t use Firebase Hosting
When I try to host using "firebase init" and then choose the project and the host, I apply the "firebase deploy" but when I open the link appears this screen: what should I do?…
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answer99
viewsFirebase charset error
I created the database in Firebase and added some records, but it is giving error in relation to the words with special characters in Recyclerview Android and also in the Firebase site itself. The…
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answer306
viewsAutomatic synchronization Firebase
Hi, I’m going to ask this question because I’ve read several Firebase documents and I haven’t been able to get anything so far. First of all I know that my question may have several extensive…
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answer583
viewsIonic 3 queries using Angularfire2
I’m trying to perform a search with Ionic 3 + Angularfire2. I have a list of all the data from firebase, but I can’t filter this data, it does not return me anything. ts. import {…
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answer130
viewsHow do I know if a file exists in Storage Firabase?
I’m using Firebase Storage to store a user profile photo, I made a method to search the image and place it in an Imageview. It works very well when the image exists in Firebase, but when it doesn’t…
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answer807
viewsUser permissions in firebase
Good morning, I’m having a question, I’m assembling an app where the person accesses it, login and password and then appears the home screen of the same. If the person has no record she will…
android firebase firebase-cloud-functionsasked 6 years, 10 months ago sender rodrigues dos santos 19 -
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answer172
viewsFirebase Auth and Unity
Does anyone have an example or would know how to verify email authentication within Unity using firebase
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answers130
viewsSearch Firebase for several fields
I can search the searchview by taking the data from Firebase only by the item nameOrganization as I do to search for any field at the same time. Ex: I can search Sao Paulo, Machines, SENAI, etc and…
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answer536
viewsCreate Angular and Firebase reports
What to use to create reports with Angular and Firebase? I have an application in the area of health with Angular and Firebase, I’m coming in the part of system reports and would like alternatives…
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answer227
viewsPopular Spinner with firebase data
That’s the code for "Activity Sala" public class CadastroCursoActivity extends AppCompatActivity { private EditText nomeCurso; private ListView lv_Curso; private Toolbar toolbarCurso; private…
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answers1343
viewsIs it possible to use firebase on computers?
I need to create an application for control of finances customized for the company I work and I wanted to know if it is possible through some mechanism to create a database in firebase to be used in…
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answers303
viewsToken by Firebase
It is possible to generate token and send to some android device that requests to register in the application by Firebase Auth?
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answers93
viewsrecover data from a Firebase Node
Glr, I want to retrieve a data in Firebase that is inside a Ode. Can someone give me a Light ? Note: This topic already exists and I have seen a solution, but the author of the answer describes a…
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answers231
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answer24
viewsReceive information on the home page
I have a PHP file where I receive data saved in firebase I can read the data but I have to open a Mozilla Firefox console to be able to read this data. I wanted to know how to read or print this…
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answer630
viewsReturn string value with firebase
In Android Studio I have the following code in Mainactivity package br.alan.com.firebaseapp; import android.support.annotation.IdRes; import android.support.v7.app.AppCompatActivity; import…
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answer349
viewsReact-Native Asyncstorage returna null
Good I’m having a problem when I will save some data in Asyncstorage, when I will return it comes null. salvage : export const listarRecados = () => { return dispatch => {…
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answer779
viewsUnregistered Registration Token - Firebase
I have a project in firebase and am trying to implement push notifications, I followed the documentation but while doing tests, sending direct to firebase, it fails and error appears, "Unregistered…
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answers12
viewsIONIC Error notification
This error is occurring in my application:…
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answer82
viewsDoubt Cloud Function
Cloud Function is like a server for Nodejs ? Can I import any package from NPM and use its feature, which will work normally in Cloud Functions? Or he just works with the google resources? I tried…
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answer525
viewsI cannot recover a list of Firebase objects
I have a doubt that I did not find anywhere, I tested part and it worked with doubts and the other did not give. I will explain, if someone can help. The problem is this, if I have two classes…
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answer42
viewsUnrecognizedpropertyexception when reading firebase
I got the mistake and I don’t know what else to do: Error 01 19:15:53.568 21966 21966 D AndroidRuntime Shutting down VM 09-01 19:15:53.574 21966 21966 E Androidruntime FATAL EXCEPTION: main 09-01…
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answer457
viewsHow many projects can I have in firebase?
Hello! Would you like to know if Firebase has a maximum number of projects that can be created and managed? Obg for reading the question!
firebaseasked 6 years, 9 months ago Gustavo Novais 19