Questions tagged as 'firebase'

Tagged questions
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How to merge 2 Firebase tables through one condition.

I need some personal help! As I'm not finding anything very clear on the internet and I do not use a lot of programming, I'll appeal to you ... I am setting up a system for my personal control of the driveway and driveway. As there will be fe...
asked by 14.12.2018 / 13:56
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Check if a value exists in the Firebase Realtime Database

I have a database with this structure: Whathappensisthatwhencreatinganewuser,Ineedtocheckifthereisnolongeranequalregisterednickname,butIcannotdothat.Hereisthecodethatisgoingwrong,withsomecommentsofwhatIthinkshouldberight:if(edtCadSenha.getTe...
asked by 04.12.2018 / 14:25
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List firestore data - Ionic 3

Well, I'm developing an app with ionic 3 and firebase. I am having problems in listing existing data in firestore. I have a search bar, which, as it is being typed in it, will display the data below. I already have this implementation done, but...
asked by 03.12.2018 / 17:25
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No access to or access to Firebase

I am not able to access Firestore documents through my Android application, so please give me the message below, even if it is enabled for anyone to access the rules of my Firebase / Firestore:    Missing or insufficient permissions. It's...
asked by 03.12.2018 / 14:58
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Retrieve snapshot within a node

I need to recover all users within a user node, following firebase structure: FormetoretrievethesevaluesI'mmakinganaddListenerForSingleValueEvent,followscode:privateDatabaseReferencefirebaseRef;privateDataSnapshotusuariosSnapshot;firebaseRef...
asked by 07.12.2018 / 12:58
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how to write data in firebase with ionic?

I have an application that displays on the screen the latitude and longitude wanted to know how to write this data in firebase My code home.ts ta so import { Component } from '@angular/core'; import {NavController, Platform} from 'ionic-...
asked by 01.12.2018 / 00:51
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Angular 5 update with forEach correct only in the first items

I'm trying to run two functions, calculoDes() and desempenhos() , in Angle 5, but strange behavior occurs as a result. The first function calculates in some phases, always generating an object Array for the next step. The steps a...
asked by 09.12.2018 / 01:28
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Write data in firebase + ionic3

Well, I'm developing an app with ionic 3 and firebase (real time). And I wanted to clarify a doubt, I will explain my case: So, I choose a product, after that I type the information and add it to a list. But there is one though: How do I...
asked by 28.11.2018 / 19:19
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Write data list in firebase (Real Time)

Well, I'm developing an app with ionic 3+ firebase. I am facing a problem: I can not write a list of data. Here is the code: this.db.database.ref(userId) .push({ dataPag: pedido.dataPag, tipo: pedido.tipo, qtde: pedid...
asked by 29.11.2018 / 16:48
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Update only 1 item inside firebase no.

I have the following node in the firebase: InsidedesnóIneedtoaccesstheuservalueandchangeit,todothisIamusingthiscode:firebaseSenha=ConfiguracaoFirebase.getFirebase().child("usuarios").child(identificadorUsuarioLogado); fireba...
asked by 29.11.2018 / 11:42