Questions tagged as 'firebase-database'

Tagged questions
0
answers

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
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Read data from Firebase realtime databse

I'm developing an angled application, and I need to read the data written to my realtime database from firebase. How would I do to read all the data that is inside object 9 for example? I need to read this data and write it to variables...
asked by 16.11.2018 / 20:19
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Automatically identify and retrieve users when logged into the application

I have a sign-up and login screen !. and wanted to know if you have how to sign up for the application if I will be able to get people's data in onClick without having to put id by id manually I need to put the id of the person manually! and...
asked by 01.11.2018 / 06:16
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How to recover data using FirebaseRecyclerAdapter that has automatically generated IDs?

I have an error using FirebaseRecyclerAdapter, at the time of retrieving the data the firebase has this error: " com.google.firebase.database.DatabaseException: Expected to List while deserializing, but got a class java.util. HashMap " I saw...
asked by 12.10.2018 / 01:02
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Use the checkbox to go to an activity

Alright? I'm doing a project and I came across an issue I can not solve. I have already created an activity with login and registration for a user, however my business model accepts two types of users, men or women. For this I created a Radio...
asked by 07.10.2018 / 22:15
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Query for key value in Firebase

Hello, I need to filter the data by the value of a key (dataInclusao, dataFinal), I need to get the data between these dates. The path is "visits / (key-generated-by-firebase) / dataInclusion", but I can not make a Query in this path because...
asked by 14.10.2018 / 07:53
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How to create an Array of Strings from an Array of Strings and an ArrayList of Integers?

I am creating an application that will need to store the specialties of each clinic registered in the application, these specialties will later be stored in the Firebase database, I am using a Dialog with checkboxes where they will show the clin...
asked by 07.10.2018 / 23:25
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I can not "recover" the value of the Realtime Database (Firebase)

I'm trying this, but it always appears that the app has stopped working. public class TesteActivity extends AppCompatActivity { private TextView la; @Override protected void onCreate(Bundle savedInstanceState) { super.onC...
asked by 26.09.2018 / 03:16
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Problem creating project in Firebase

When I add the dependencies that firebase requests to create the file and give Sync Project, it gives me the error "Failed to resolve: com.android.support:appcompat-v7:28.1.0"     
asked by 18.09.2018 / 01:47
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Help with recovering nodes from Firebase

I want to recover all user followers on firebase. I have the following structure in Firebase: -seguidores -id amigo -id usuario For this structure I did the following to recover it: public void onDataChange(DataSnapsho...
asked by 17.09.2018 / 13:59