Questions tagged as 'firebase'

Tagged questions
2
answers

Show information FireBase

Hi, I have a PPP where I keep information about a notice in FireBase, when I have it and keep it fairly well and will keep me on each user sending notices. Now I need to show all that information on a different screen, I tried to do it with a...
asked by 26.04.2017 / 15:09
2
answers

Know when addChildEventListener has finished

I have an android application in which I have a Fragment that contains a CardView. The CardView data is data of events that I have saved in Firebase. The problem I have is that when loading the Fragment there are times that it shows empty becaus...
asked by 19.12.2018 / 17:16
1
answer

Error with firebase and Android studio Failed to convert value of type java.lang.Long to String

I have a mistake that I would like to see if you can help me, what happens is that in firebase I enter a long string manually which I want to be in my application in my code I have the following to bring the data from the base, the scrollt...
asked by 23.11.2018 / 10:24
1
answer

Error creating an attribute with Angular 6

I want to create an attribute that calls (click) from setAtributte (), but it tells me this error: ERROR DOMException: Failed to execute 'setAttribute' on 'Element': '(click)' is not a valid attribute name. Search all over Google and I'm n...
asked by 13.11.2018 / 00:43
1
answer

Display Firebase data to a TextView Android Studio

I have a question I hope and help me I want to show a data of firebase in a textview on Android but I really have no idea how to do it, the specific data is like "Value "     
asked by 19.10.2018 / 18:10
1
answer

How do I change the name generated by the firebase when it registers the data?

once arrive at firebase is generated from these codes as shown in the image     
asked by 09.10.2018 / 04:23
1
answer

Error when displaying Firebase + Vuejs + ElectronJs data

I can not see data with electronJs and Vuejs from Firebase. let usuarios = mdb.ref("usuarios"); var vm = this; var user = firebase.auth().currentUser; var userid = ""; firebase.auth().onAuthStateChanged(function (user) { if (user) {...
asked by 02.10.2018 / 01:21
1
answer

compare saved data in Android Studio Firebase

I have the structure corresponding to the data stored in Firebase Database via android I want to obtain the data indicated in red the last 2 or 3 "doses" saved. I have this structure but I do not know if it is the correct one to obtain...
asked by 05.10.2018 / 04:43
1
answer

Call last three values in Firebase Database Android Studio

I have this code and it calls me the "Node" line that I have saved in Firebase Database DatabaseReference fReference = database.getReference().child(Lista); final StringBuilder sb=new StringBuilder(); final StringBuilder sp=new StringBuil...
asked by 04.10.2018 / 02:09
1
answer

Error implementing FirebaseAuth AuthStateListener

I would like to get the following flow in my App: The user registers, validates email and then initiates session Once inside, if I delete the account from the Firebase console, redirect the user to MainActivity (because obviously he no lon...
asked by 15.08.2018 / 18:34