Questions tagged as 'firebase'

Tagged questions
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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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Login error with Google firebase

I'm new to Android programming and would be grateful if you could help me. I made an app that uses login with Google firebase, works perfectly when I run directly on the mobile but when I generate the signed APK and put it in the internal test o...
asked by 24.09.2018 / 18:22
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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
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Read data in Firebase with App Inventor

Hello, I have a database in firebase and I need an application made in the inventor app to read the database. How do I make the inventor app read the data, and for example write the data in a label ?     
asked by 18.09.2018 / 22:28
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Google profile image in FireBase FireStorage

I'm having trouble with the following code: StorageReference imagemRef = storageReference .child("imagens") .child("perfil") .child(Jogador.uid + ".jpeg"); UploadTask uploadTask = imagemRef.putFile(acct.getPhotoUrl());...
asked by 22.09.2018 / 02:26
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Bring only authenticated user data to the screen

I'm developing an app with ionic3 and Firebase. I'm trying to bring in only requests from a particular user, but I'm having problems. When I call the getAll() function it brings all the requests from the database. But when I call the f...
asked by 20.09.2018 / 14:28
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Counter (Transaction) in firebase fatal error

I'm trying to make a counter, in fact I already used this idea to tell in firebase, which is a correct and safe way to do a counter for firebase. MutableData mData; //Contador +1 ao Firebase ao clicar na imageButton de Anuncios private...
asked by 15.09.2018 / 01:02
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ERROR firebase - Uncaught ReferenceError: firebase is not defined

Good evening, gentlemen, I am creating a simmple form in javascript and html persisting in firebase, but this firebase error appears - Uncaught ReferenceError: firebase is not defined. I searched in several places and all the codes that appear a...
asked by 15.09.2018 / 05:33
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How to run a query in Firestore to bring more than one document

I'm developing an ionic application, and I need to fetch all the data from a document called Patient, and I also need to bring the ID of the doctor that is in another document, and also bring the specialty ID of the doctor who is in a third docu...
asked by 17.09.2018 / 17:37
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Error Code: 401 () when sending FCM notification using a server

I'm having trouble sending notification using Firebase Cloud Messaging on Android. I'm using the method below: public void enviaNotificacao(String mensagem, Pedido pedido, String token) { Sender sender = new Sender(apiKey); Message m...
asked by 06.09.2018 / 15:07