All Questions
Tagged with ionic3 firebase-realtime-database
210
questions
1
vote
1
answer
45
views
Error getting data from firebase using changes.map in ionic 3
I am trying to get data from firebase based on the login user ID but i am having error when using changes.map. Error show in vscode is "property 'map' does not exist on type 'unknown'".
...
- 36
0
votes
0
answers
21
views
ionic firebase get specific items from table
i want to get some specific items from firebase database
this is my firebase database
{
"Militaire" : {
"arabe" : "المتحف العسكري الوطني",
"img" : "/Images/Musée-militaire.jpg",
"name" : "...
0
votes
1
answer
730
views
How do I query the results obtained from Firebase realtime database for ionic 3? [closed]
I am integrating the firebase realtime database into my ionic 3 application. Currently, I am able to do the basic Create, Retrieve, Update and Delete directly from my realtime database. However, I ...
- 183
1
vote
1
answer
210
views
how to delete a specific data from a list of data in ionic 3 real time Firebase
I was able to upload and fetch data but i want to use a button to delete a data from a list of data.
below is my code
ionViewDidLoad() {
console.log('ionViewDidLoad PagesAllpatientsPage');
...
0
votes
1
answer
336
views
How to push a list to Firebase Realtime Database
I'm developing a mobile application on Ionic 3.
I have a notification object on firebase database. I'm pushing data for one record like this way:
fireNots = firebase.database().ref('/notifications');
...
- 51
2
votes
1
answer
588
views
Changing the value of a boolean variable as a result of an *ngIf
I made an app where a user has to enter his address details which then stores it in firebase what I am trying to do is make it so if a user already stored his address it will not display the address ...
- 57
0
votes
1
answer
518
views
How to add checked and unchecked checkboxes data to Firebase
I have an Array of objects as starter data in my Ionic 3 app:
public interesses = [
{ name: 'Viagens', checked: false },
{ name: 'Animais', checked: false },
{ name: 'Teatro', checked: ...
- 233
0
votes
1
answer
29
views
Ionic3 adding a object to an already exisiting firebase object
I am trying to add a object to an already existing object I have stored on firebase.
I am relatively new to firebase so I am not sure how to go about this but what I have tried is updating that ...
- 57
0
votes
1
answer
217
views
How to sort an object list retrieved from fire base?
I am fairly new to firebase and I noticed since firebase does not really store arrays I cannot sort them in the same way I would sort an array. I have an object list stored in firebase that contains a ...
- 57
0
votes
1
answer
35
views
Firebase .info/connected make false programatically
I am using .info/connected for presence system in my chat app, I want disconnect .info/connected once user logout from app so he will not see online anymore.
(As after logout app will go to login ...
- 47
0
votes
1
answer
1k
views
How to fix this ' Property 'list' does not exist on type 'AngularFireDatabaseModule'.ts(233 '
I am trying to a push a data to a firebase database but the property 'list' does not exist on type 'AngularFireDatabaseModule'
Typescript
import { Component } from '@angular/core';
import { ...
- 11
0
votes
1
answer
307
views
Ionic 3 - How to Merge Array of Objects with valueChanges Observable
I have two arrays of objects to merge them. The first one is the result from a snapshotChanges retrieve (participants), and the second one is the result from a valueChanges retrieve (usersRoom).
//...
- 233
0
votes
0
answers
32
views
Can I start my app automatically by a update on y firebase realtime database?
I'm creating an app and I need to start it by a update in my firebase realtime database.
For example: I updated a data in the database and in the device of an user, my app start to ring (not a ...
- 119
0
votes
0
answers
78
views
How to write firebase database rules with this plugin "Firebase Authentication"
I have used signInWithVerificationId() in my ionic Application. Every thing is working great. But i am not able to use Firebase database rules with this plugin. Below are my codes. Please help to ...
- 1
0
votes
1
answer
432
views
How to get the value of the grand child in firebase realtime database? [duplicate]
I am trying to get the child value of sender if its equal to the current logged in user.. but I was unable to get the same.
The JSON of the database is below:-
{
"requests" : {
"...
- 548