Questions tagged as 'firebase'

Tagged questions
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FirebaseListAdapter, TextView inside populateView?

Why do not I see anything in the emulation with this code? I do not know how and where the TextView must be created to which the text 's' is set. I do not understand how it works, thank you. public class Cursos extends AppCompatActivity {...
asked by 24.05.2016 / 22:23
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Handle schedules on firebase

I am doing a task for the university using the real-time database of Firebase in Ionic and Angular 2. I do not have any problem in the typical crud, but I need to make a change of a data from the database , and a certain time later (one hour, fo...
asked by 28.09.2018 / 07:28
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How to identify the values that Log.e brings on Android with Firebase

I have this structure in Firebase And I'm calling the last three data with the name "dose" with this structure my.child("usuario").orderByKey().limitToLast(3).addValueEventListener(new ValueEventListener() { @Override...
asked by 05.10.2018 / 02:29
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Problem with Firebase class on Android

Good afternoon I'm trying to import Firebase to my project but I can not make the instance of the class because it can not find the reference, and try to do it with all the steps of the documentation but it does not give me a solution, I hope yo...
asked by 10.03.2018 / 19:32
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Problem receiving Push Notifications FCM with the app closed. Ionic 3 and Angular

Good day folks, it is my first publication on the site, I apologize if I do not comply with all the publication rules because I do not know them in detail. I will comment on my problem .. I have an app with ionic 3 and angular, which works wi...
asked by 06.02.2018 / 15:55
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How to make Firebase report changes to me ONLY when I click on a button? Android Studio

I have a problem with the Firebase in Android Studio. I have 2 buttons on my interface, one that is called "Upload Data" and another one called "Get Data". When I click on the "Upload Data" button, it uploads the data perfectly to the Firebas...
asked by 06.11.2018 / 00:17
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Firebase ref () error when using variable as reference

Greetings. I am currently developing a page whose function is to recover data from Firebase. During the tests, when establishing the reference for obtaining the data, if I establish it in a fixed way it works without problem. But assigning a val...
asked by 29.08.2017 / 18:36
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Share user variable with all components in Angular

I am developing an app with angle 6 and firebase. I have a service for the login "auth.service.ts" which returns the promise to verify the user's login status. My question is whether I should invoke the service and run all the promise from al...
asked by 17.12.2018 / 00:14
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Send email with Firebase Cloud Functions

Literally that's my question, how can I send an email using the functions provided by Firebase? Any kind of information is useful for me since I have not used much Firebase functions, I intend to send a welcome email to a user who has just regis...
asked by 19.12.2018 / 03:02
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Remove Marker in Specific Android Studio

I have the following query, I am creating an App that will add several Markers on the map, until all right, but at the time I want to modify from the database the location of one of the marker, the system does not know which one Marker is the on...
asked by 21.02.2018 / 18:23