Questions tagged as 'firebase'

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Login user information does not appear using Firebase!

I'm developing a Web-app! In the case, a chat, however, a chat with new and legal functions! I'm doing just for learning and fun! In the app, I'm using Firebase, to create Logins, Notifications etc! My question is: I am not able to di...
asked by 28.09.2016 / 06:29
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Firebase getDisplayName () returns empty

I have the following code that should return the user data logged in by Firebase, it returns the user with no problem, ID and Email, but the value of the name returns empty or null. As if the unnamed user was registered, but the user name usuall...
asked by 19.11.2018 / 21:25
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Firebase Insertion Problems

I'm developing a native application on Android that uses maps, insertion is usually happening through the code below. Location is a variable of type LatLng . mDataBase.child("location").child("Roubo").child(String.valueOf( new Date()....
asked by 18.11.2017 / 14:32
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Data disappear when scrolling scroll RecyclerView with Firebase

Hi everyone, I am creating a chat with Firebase and listing with RecyclerView, to list the messages but I have a problem is that when moving or scrolling the RecyclerView some messages disappear, please help me solve this! Here is my code and...
asked by 17.11.2017 / 13:50
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Firebase, how to play audio in firebase storage at the click of a button?

I'm developing an application, which when clicking a button it plays an audio, but if I put all the audios in the application, it will get very heavy, I would have to put those audios in the firebase, and make clicking button does it play using...
asked by 20.05.2017 / 18:17
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FirebaseListObservable transforms into Object Array

I'm using Ng2-Smart-Table, according to the documentation it accepts an array of objects to mount the table: No HTML: <ng2-smart-table [settings]="settings" [source]="data"></ng2-smart-table> In Javascript import { NgxData...
asked by 31.05.2017 / 14:04
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Android / Firebase - NullPointerException when defining Query object

Hello, I have a problem reading the data in Firebase. I use Android Studio 3.0 and Java. I can connect to the database, get the instance, the user logged in, but I can not read the attributes of the selected node. The bank structure is this...
asked by 31.10.2017 / 17:09
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How do I prevent my firebase application from being used on other sites?

How do I prevent others from taking this code from my site and using it on others, or how to make it work on mine? var config = { apiKey: 'your-api-key', authDomain: 'your-auth-domain', databaseURL: 'your-database-url',...
asked by 08.07.2016 / 16:08
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Does Firebase Analytics need to be started on all activities?

I'm at an awkward stalemate. I'm creating the custom of using Firebase in my project, but I do not understand how to use it. Do I need to put the Firebase Analytics code in all activities or just one?     
asked by 02.12.2016 / 01:38
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Firebase cloud messaging - Benefits [closed]

In addition to being able to work with messages, push notifications; What advantages do you see in FCM? I'm talking about resources that really matter and help developers, not just the FCM N features.     
asked by 17.10.2016 / 20:58