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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viewsHow to store a table value in a AGM field in the database?
Hello I am developing a project with Angular, Firebase and Android. The project is a tracking system,by the mobile application is picked up the location, in Longitude and latitude, and these values…
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views"Error enabling offline persistence" with angular and firebase during execution
I’m trying to convert a project to universal angular. When executing the command npm run dev:ssr it builds normally and shows the message Compiled successfully. ** Angular Universal Live Development…
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answer38
viewshow to send multiple files to firebase at once with flutter
I need help with this question. I’m new to flutter. and can’t send more than 1 file at the same time to firebase with this code I can send 1 file without problems, but when selecting 2 files in the…
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answer49
viewsHow to add a field of objects returned from firebase ( vuejs + firebase )
Hello, I’m trying to develop an ERP platform with vuejs using firebase as a storage solution, I’m trying to add all the 'value' fields of the 'expense' collection documents that loads the 'Name'…
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viewsSays you are having memory leak - Warning: Can’t perform a React state update on an unmounted Component
This message appears to me, someone could help me solve? Warning: Can't perform a React state update on an unmounted component. This is a no-op, but it indicates a memory leak in your application.…
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answer19
viewsGoogle App Script changing order of firestore sheets
I found a script to integrate Firestore with Google Sheets, but when running it, the columns are in order with each data update. How can I fix this? https://i.imgur.com/Ski4t8q.png A detail: I have…
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viewsView information from a specific Firebase collection using Reactjs
Good evening, I’m trying to display some information of a collection in firebase however I can not display this information, I am passing a collection ID and is returning in the log the data I want…
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viewsHow do I receive a variable or function within the Textformfield input without having to type and save to the list with Flutter?
I need to insert a text inside the input so there is no need for typing, it was a way to edit the data stored in Firebase, when I edit the data, goes to an editing screen with the data in each…
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viewsConflict between firebase and Goole ads
I’m on a project that uses firebase and google ads. When I add the google ads dependency on pubspec.yaml I get the following error while compiling: Launching lib main.Dart on LM X525 in debug…
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answer116
viewserror: The argument type 'Jsobject' can’t be Assigned to the Parameter type 'Buildcontext'
I’m trying to navigate from the login screen to the homescreen, but when creating the void _onSuccess is returning the error: error: The argument type 'Jsobject' can’t be Assigned to the Parameter…
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viewsHow to keep login active Flutter Firebase
Good afternoon, I’m having a hard time keeping my login active in my app, either by email or by google account. I tried the Sharedpreferences method but I was not very successful. This is the login…
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viewshow to take firebase data and put it into a textview?
I want to take the user data registered in Firebase and put them in a Textview, but I’ve tried several ways and none worked. Code of Profile Fragment: public class PerfilFragment extends Fragment {…
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answer50
viewsFirestore React error on
I’m trying to get the information from my collection in firebase but am getting the following error: Typeerror: Undefined is not an Object (evaluating '_firebaseConnection.default.db.Collection')…
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answer26
viewsI can’t make a setOnItemClickListenner with a Long (Android Studio)
I have a Person class with the attribute "code" type Long. I have an error in this code block. Code1 is where I got the ID. list.setOnItemClickListener(new AdapterView.OnItemClickListener() {…
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answer21
viewsFirebase Multiple Clauses
I’m looking to make a query with multiple clauses Where, with the database Firestore, but returns me an error, I did a quick search I saw that the Firestore only lets you make a single clause Where…
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viewsHow to redirect to a specific screen by clicking on a notification with the app completely closed using firebase messaging > V9.0
I am using firebase messaging version 9.0 and wish to redirect the user to a specific screen when receiving and click a notification when the app is closed. I can currently redirect with the app…
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viewsHow to use Reference in Firebase?
I am training in a digital point hitting app, and I wanted to know how I could create a rule for each user to be able to register 4 daily point i would have the Users document and the Records…
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viewsFirebase - Read-only security rules
I put several images into Firebase’s Storage. Then I created a database in the Firestore Database, which refers to the Storage images. I started using it with the default security rule there, which…
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viewsHow to reset firebase password?
Good afternoon, I am trying to create a function that allows the user to reset his password when informing his email. According to the firebase documentation the user only needs to provide the email…
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viewsHow do I update to firebase?
Good night I have a function that registers a request in firebase: async function handleSubmit(){ let endereco = `${route.params?.local.local[0]} ${route.params?.local.local[1]},…
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answer749
viewsUpdate user in Firebase
Does anyone know how we can edit the login data of any user, registered in Firebase by firebase.auth(). createUserWithEmailAndPassword, via an admin panel other than Firebase itself? That is, how…
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answer1013
viewsSend notifications from a website to android push notifications
I created a social network, and implemented notifications on it. However, I can’t find an effective way to send site notifications (likes, comments, messages) by push notifications to the android…
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answer389
viewsHow to perform a crud with firebase?
I read an article about Firebase, I thought it was wonderful what in theory you can accomplish. I would like your help because I want to create a CRUD, only I have always used Mysql. For the little…
firebaseasked 7 years, 5 months ago Rodrigo Hackz Exploitz 103 -
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answer19
viewsIs Analytics for Firebase integrated with google Analytics?
I would like to know if Analytics for Firebase is integrated with google Analytics, because I would not like the marketing team to access firebase to view Analytics. Thank you
firebaseasked 7 years ago user108104 1 -
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answer55
viewsIs it possible to post on facebook through my system?
Hello, the doubt is simple, I want to make an integration of my system with facebook. I would like to know the steps necessary for me to be able to post on my system and automatically it generates a…
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answer542
viewsError saving rules in firebase console
What errors can occur in the firebase Realtime database security rules console when defining my rules and what they are?
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answer70
viewsCan someone help me with the integration of angular 5 with firebase real time?
I need to integrate the firebase database to an application in angular 5. I took the code generated by firebase, created a firebase config file and put it there I made the import in the module. I’m…
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viewsI can’t write data to my firebase
Error: Uncaught (in promise): Error: PERMISSION_DENIED: Permission denied Error: PERMISSION_DENIED: Permission denied Setting up my firebase looks like this: service cloud.firestore { match…
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answer278
viewsPut Firebase link on each button of the app on Android
I need the image button to get the link to Firebase to download the image of the application. I will present my App to be clearer. I have this app: I was able to use the text and image of Firebase…
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answer297
views(Android studio) How to get a user id from their email in Realtime Database (Firebase)
I would like to know how I can get an id of my database in firebase by email. For example I have the email test@teste.com and would like to get his id just by email. It is possible?
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answers601
viewsPosts Firebase in English
I made the registration of users by Firebase and after the registration is sent to the email to the user validate access. However, Firebase messages are in English. There is the possibility to stay…
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answer718
viewsDelete a log from firebase auth
I need to delete a record from Firebase Auth, I am using the following code: FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser(); user.delete().addOnCompleteListener(new…
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answer60
viewsIONIC WITH FIREBASE CLOUD FIRESTORE
is a simple question, I want to realize this select on Collection with a Where, as I realize? this.usuarioCollection = this.db.Collection('usuarios'); this.usuario =…
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answer56
viewsRelationships of Tables and Databases
It’s a simple question, which is restriction of integrity of relationships. Please help me, I have a TCC in a week and I haven’t finished this thing yet :'(
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answer266
viewsHow to generate the SHA-1 hash
I am configuring my project to implement login with Google, however I am having some difficulties it asks for the SHA-1 key, and I do not know which commands should use to generate the key. Google…
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viewsHow to install Provider ?? Ionic 4
I can not at all install this Provider , it asks to generate a 'service' and even after generating the service it gives the same error!!!]1…
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answer272
viewsEfficiency of Firebase
Guys, I have a question, and I’m not finding anything on the internet, I’m making an application for a client and I’m using firebase, for being a google server I believe it will withstand the high…
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answer123
viewsText search in the database (Firebase)
Good evening I need to customize a search to recover data from the Restaltime database. I currently use the following code to query an item in my database: query =…
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answer29
viewsblock data recording offline Firebase
I have this function that performs data recording in Firebase: addPedido(pedido: Pedido) { this.pedidosCollection.add({ ...pedido, log_criado: this.timestamp }) } If you do not have internet…
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answer25
viewsMy Node.JS keeps running in the old version
Hello, I’m making notifications with cloud functions and Node.js, my version of Node.Js is 12 but deploy is being on 8, can anyone help me ? PS: Google will stop accepting version 8.…
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answer49
viewsDownload data from firebase
I would like help to download the information inside the "Items". Since it would be a list created by the user, I would not put a limit of items in it, and at the same time I would not know how much…
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answer39
viewsWhat rule can I use to gain admin access to Firebase?
Hello I would like to know if there is any rule in firebase firestore, where only my project account can have access for modification, this without having to develop an authentication system, that…
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answer23
viewsHow to cancel the upload of a file in the firebase web Storage?
I created a root storage reference in firebase web through the code below: var storageRef = firebase.storage().ref(); var uploadTask = storageRef.child('img-tour/' +files[0].name).put(files[0]);…
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viewsHow to access values in a database in the Firebase database?
I am running the following code: var dadosCarro = firebase.database().ref('carro'); dadosCarro.on('value', (snapshot) => { var data = snapshot.val(); console.log(data) }); As an answer on the…
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viewsFlutter FIRESTORE INTERNAL ASSERTION FAILED: threads > 1
I’m having a problem with my flutter app on iOS. When I Try to make a call to get data from a Collection, the application ends with the error: FIRESTORE INTERNAL ASSERTION FAILED: threads > 1…
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answer307
viewsThe timestampsInSnapshots Setting now defaults to true and you no longer need to explicitly set it
I was practicing making applications with Ionic 4 and Firebase (Cloud Firestore), but when I run the application, the error appears on the console: @firebase/firestore: Firestore (5.8.1): The…
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answer311
viewsService for sending SMS or Push Notification
I have an application developed in Angular 7 that is in the final stages of development. This application makes use of Firebase services, one of which is the Cloud Firestore. I’m looking for a way…
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answer479
viewsHow to limit a composite query in Firebase/flutter
I made a simple query this way and works correctly, it saves only once in the database, not repeating the same value. final QuerySnapshot result = await Future.value(Firestore.instance…
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answer125
viewsHow are these Setters methods not being used?
I’m creating a Java/Android app where your job is basically to display a list for the user about what items we still have available in stock. To make this list I used a Recycler View, data (stock…
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answer220
viewsFirebase Error Android Studio
I was setting up my app to connect to firebase but every time I put in build.grandle(Module: app) implementation 'com.google.firebase:firebase-analytics:17.2.0' In my app occurs the error below:…