All Questions
16 questions
0
votes
1
answer
26
views
Sort firebase databse using an object inside an array in Android
I want to sort a list in firebase realtime database using orderByChildValue(). But the value is inside an array.
How to do that?
Database
{
"partners": [
{
"full_name": ...
- 31
1
vote
0
answers
139
views
How can i integrate firebase authentication with external database like mySQL in my android project?
i'm about to make an android application that each user have it's own data restored in the database.. but i want my user auth restored in firebase, while the details data is in mySQL. is it possible ...
- 23
0
votes
2
answers
95
views
E/RecyclerView: No adapter attached; skipping layout Can't show list of users in app [duplicate]
Can anyone help mi solve this problem? I want to show list of users in the app.
Logcat error: E/RecyclerView: No adapter attached; skipping layout
User code
data class Users(val userId : String = &...
- 41
0
votes
0
answers
503
views
Firebase: Realtime Database - extreme data usage
So we're working with the Firebase Realtime Database and have encountered some issues regarding the data usage. Currently the total database data comes to a clean 4MB and all we're really GET'ing with ...
0
votes
1
answer
243
views
How to update textview depending on retrieved value from Firebase Database
I have asked this question before but I could not get any answer. I am trying to update a textview depending on the result of two other textviews that I retrieve from my firebase database.
I retrieve ...
- 15
0
votes
0
answers
64
views
The data I uploaded to the Firestore database is not updated. So I can only see the data I created first
This is my main page. I am getting values from user on this page
private lateinit var binding : ActivitySignInCalculatorBinding
private lateinit var auth: FirebaseAuth
private lateinit var db: ...
- 163
0
votes
1
answer
260
views
Firebase Realtime Database Data Model Class Problem Kotlin
I cant create data model for this database.
Firebase Realtime Database
I can't list chats with this model.
data class ChatModel( var voice : String ?= null,
var sender : ...
0
votes
3
answers
1k
views
Firebase realtime database setValue() not working
I am trying to write some basic information about users to a Firebase realtime database, but when running setValue() nothing happens in the console and after many hours of trying I still can't figure ...
- 11
3
votes
2
answers
2k
views
How can i wait until the onsuccess listener has a result in Kotlin
I have this code
val collectionDb = db.collection(collection)
.add(user4)
.addOnSuccessListener { documentReference ->
Log.d("SUCCESS", ...
- 66
0
votes
3
answers
128
views
Firebase - Sign up - new name if not exist
I need help registering a new user on Firebase, I wish that if the name is already taken, it will return a Toast message asking to choose another name.
How can I do it?
private fun signUp(view: View, ...
0
votes
0
answers
35
views
setAndroidContext in Kotlin (Firebase)
Using Firebase Database, how would I setAndroidContext in Kotlin?
This is it in Java:
public class SimpleDatabase extends Application {
@Override
public void onCreate() {
super....
- 31
0
votes
1
answer
308
views
Fetching incorrect URL into database during upload of images in Firebase Database. Need some guidance.(Kotlin) [duplicate]
I am trying to store the url in the firebasedatabase of images i upload into the firebase storage.
I have tried some video guides but most of them are outdated.I am trying to use downloadUrl to ...
- 125
0
votes
1
answer
479
views
Firebase onChildChanged() get called 3 times though I changed a value twice
It's not every time but sometimes (I feel like it's 10%) onChildChanged() method get called 3 times though I actually changed twice.
Here are Logs.
This is a log when I change a value twice. (true ...
0
votes
1
answer
108
views
By kotlin.. trouble with reading data from database by firebase to RecyclerView
I have trouble with reading data from database by firebase.
the code supposed read data from database to RecyclerView..but no working..
the app is work without bugs or error and if writ some data ...
- 1
0
votes
1
answer
85
views
Unable to write to secondary firebase database but works with [DEFAULT] Db
I have two databases in firebase project currently. One [DEFAULT] and other a secondary database. Both these databases have exactly same rule and exactly same data( I exported data from [DEFAULT] db ...
- 308