All Questions
785 questions
-1
votes
1
answer
47
views
RecyclerView not showing in design mode or in the emulator in android studio [closed]
I'm trying to figure out on what to do as my recyclerview seems to be not working. I'm still fairly new to mobile development so I'm not exactly sure I'm gonna do. There was no error/warning messages ...
0
votes
0
answers
79
views
I'm having trouble pulling data from Firebase with Jetpack Compose?
private lateinit var viewmodelAuthentication: ViewModel_Authentication
class Activity_Login : ComponentActivity() {
@SuppressLint("CoroutineCreationDuringComposition")
override fun ...
user13148807
0
votes
1
answer
64
views
Firebase Realtime Database: Data Not Saving Despite Successful Integration
I am working on an Android project and have integrated Firebase Realtime Database successfully. To test if the data is being saved in the database, I wrote the following code:
...
1
vote
0
answers
43
views
Can't read in Realtime Database
I'm using Realtime Database to read and write some data in Firebase.
The code for writing works perfectly and so does the authentication step, but when trying to read it skips the code. I obviously ...
- 11
0
votes
1
answer
37
views
.setValue(null) vs .removeValue() in Firebase
What is the difference between .setValue(null) and .removeValue() to delete a value in the Firebase Realtime Database? I mean is there any technical reason to use a particular method?
I saw these two ...
1
vote
0
answers
44
views
Why is the Firebase Realtime Database page not showing anything when writing data to it? [Resolved]
I'm trying to make a simple app with Android Studio (Iguana) and using Firebase Realtime Database. I'm new to Android Studio and Firebase, so I've been following this youtube tutorial: here. I'm ...
- 11
1
vote
1
answer
35
views
Firebase doTransaction setValue of data class changes the members names
I'm using runTransaction method in my Android app as follows:
@SuppressLint("RestrictedApi")
fun sendTableMsg(move: PokerTableMsg?) {
Log.d(TAG, "sendTableMsg $move")
this....
- 535
0
votes
0
answers
31
views
Search for specific node in Firebase
I have path called pairs in firebase that stores child nodes like this.
pairs has childname like form of foreign keys connection in relational databases between users table and bracelets table and ...
- 15
1
vote
1
answer
55
views
how to backup Room Entity with Date datatype to Firebase Realtime Database (Kotlin)
I need to send a copy of my Room Database table to the Firebase Realtime Database, but it didn't work when having date datatype on my room database.
I am using Kotlin and Android Studio. please, I ...
- 15
0
votes
1
answer
31
views
Retrieve an integer from Firebase Realtime Database and assign it to a variable
I want to fetch a variable called "progress" from my Realtime database, like this:
Now, I would like to assign this 1 as a variable, so I wrote code like this:
val progresstab = ...
- 21
0
votes
1
answer
55
views
Cannot display Data from my layout viewBinding
I am new to Android Studio. I have been following a tutorial on how to create a Kotlin-based MVVM app with Firebase. I created a data class called ServiceOrder that contains all the necessary data ...
- 3
0
votes
1
answer
52
views
Firebase RecyclerView not Displaying Retrieved Data in Fragment Despite Successful Fetch and Adapter Setup In kotlin Xml Android
I'm unable to display data retrieved from the Firebase Realtime Database in a RecyclerView within my Android application.
Despite successfully fetching the data (as confirmed by logging), the ...
2
votes
1
answer
67
views
How to create a list inside an object by userID in Kotlin for Firebase Realtime Database?
I'm working on an Android project using Kotlin and Firebase Realtime Database. I want to structure my data in such a way that each user has a list of conversations with other users. Each conversation ...
- 27
1
vote
1
answer
67
views
DataSnapshot.getValue() undocumented strange behaviour
What's going on here?
assertEquals(mapOf("161" to "a", "163" to "b"), Firebase.database.getReference("case").get().await().value)
assertEquals(mapOf(&...
- 381
0
votes
1
answer
43
views
Firebase RTDB: How do multiple queries handled under the hood? [duplicate]
My case is the following. I make two calls like ref.get() at the same time. The first call asks for a bit larger piece of data (5MB), than the second one (100KB). How Firebase SDK for Android will ...
- 5,434