Questions tagged as 'firebase'

Tagged questions
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What does it really serve .indexOn in firebase

For some time now, I have been using firebase , however, the purpose of the rule .indexOn is not clear to me. This streamlines searches on secondary data or something like that?. for example: If I have a database with the foll...
asked by 24.08.2018 / 23:48
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Problems getting HTML elements from Firebase

I have a database in Firebase that receives data from an Android application, the application sends the data already enclosed in HTML tags, with classes and Id's. I get the Firebase data with Javascript and print it on the screen. the data is di...
asked by 14.02.2018 / 19:08
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Nearby GeoPoints with firestore

The issue is that I want a firebase function, in which a geopoint is passed (latitude and longitude) and from this, I find the nearby places that I have in the BBDD. The only thing I have is this equation: (lonBD−lonCliente)^2+(latBD−latCli...
asked by 15.02.2018 / 21:00
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Disk persistence with Fireblade, avoid calling it twice

I do not think it is necessary to show them code to help me with the following: I have a login with firebase, and I use disk persistence for when I do not have an internet connection and so I can continue using my app, once I log in, the user...
asked by 20.02.2017 / 02:26
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Registration in Firebase Cloud Messaging

I am developing an app in Android , and I plan to implement downstream messages, the drawback is to get a valid token for registration in < em> FCM . Although, I know that getting the token in this way is correct ... GoogleCloudMessa...
asked by 26.10.2016 / 01:25
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Change key value from the console in FireBase

I have made my first database in FireBase , but I have committed a misspelling in one of the keys. The problem is that I can not modify the field from the console. Does anyone know how to do it? My tree is something like this: metro...
asked by 06.12.2016 / 14:21
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Characters that are invalid in metadata

Hi, I'm trying to upload a file in the Firebase Storage, the problem is that adding a StorageMetadata with a "name" field that contains "Muñoz" fails me and it's because I think it contains an invalid metadata character that is the "ñ". I would...
asked by 07.09.2016 / 18:43
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RecyclerView with sections and Firebase data

Hi, I'm working on an app, in it I have to fill a recyclerview with Firebase data, which I managed to do with the adapter and information that firebase itself provides . Now what I want to do is fill a recyclerview with the firebase data but it...
asked by 31.03.2016 / 06:05
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getDownloadUrl on Android returns me null

this time, I try to recover images that have been uploaded directly to Firebase Storage, a structure for the database has been generated in the following way: DATABASE { "categorias" : { "categoria1" : { "nombre" : "Licores",...
asked by 23.11.2018 / 17:15
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Add profile picture to chat with JSQMessagesViewController

I'm experimenting with JSQMessagesViewController and Firebase. I have managed to save download Firebase content and save them via chat. Until now I have had problems with the profile image. I am declaring the following two variables: var incom...
asked by 01.06.2016 / 01:10