Questions tagged as 'firebase'

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Android Studio - Firebase - Search and edit data

I'm creating an app using Android Studio, which stores customer information in Firebase: I need to create a way to search for these clients by name or CPF, in case something needs to be changed, then I'd like to know if anyone can give a h...
asked by 23.08.2017 / 22:17
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How does data encryption work in Firebase?

I'm developing an Android messaging application using Firebase and I realized that it will be necessary to protect user data and the messages exchanged by them, because at the moment it is possible to see everything through the Firebase console...
asked by 13.09.2017 / 15:57
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Token FCM (google) associate with the User, at what time?

An app that has User Registration and Login, consequently an ID for each User. At what point is the FCM Token generated? I ask this, because if it is generated before the User registers, how do I associate the Token with the User?...
asked by 20.09.2016 / 17:07
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Firebase: How to load random data into a RecyclerView?

I am using a Query to load only 6 Firebase database items in the RecyclerView but so far I can only sort using the orderByChild, limitToFirst or last. Everything is working fine but ... I want to randomly load items into RecyclerView when act...
asked by 04.02.2017 / 17:39
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Search for last firebase record and incrementing in new record

I need to fetch the last code in an array of objects in firebase. Then increment +1 the last code and then save the list with the objects. For now I've created a generic DAO: //Dao generico 'use strict'; findMaxCode: function(table, callback...
asked by 08.12.2015 / 18:49
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ERROR TypeError: Can not read property 'push' of null

I'm trying to push to a list and the following error is occurring: ERROR TypeError: Cannot read property 'push' of null at ProjectService.webpackJsonp.../../../../../src/app/projects/shared/project.service.ts.ProjectService.createItem (pro...
asked by 11.07.2017 / 17:01
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How to display images in the ListView from Firebase?

Well I'm getting lots of information from the firebase, and displaying them, but I would like to receive images as well, without overcoming the storege, I already saved some urls in the database and when I pulled the url it would mount the image...
asked by 25.06.2017 / 20:09
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web request and json in c #

I'm working with firebase, and am fetching the data from the server with HttpWebRequest, I was able to recover this data as follows;    {"- L1OD7LjENM8ZHSpS7NE": {"Age": "18   years "," Name ":" vitor "," Telephone ":" 11   970705570 "}," - L...
asked by 28.12.2017 / 16:58
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Return list from a child in firebase

Good morning! I have a situation in which I want to return a list of all the data whose children are equal to the id, in the image below I have the structures of the nodes of my bank in firebase and I want to return, for example, the number of a...
asked by 25.09.2017 / 15:35
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Register user with photo on firebase

Good evening!   Personally, I am making a user registry in my app and would like in addition to the personal data that I will save in the realtime database I would like to save the profile photo and a cover photo (or it can be just the profile p...
asked by 02.09.2017 / 01:20