288 questions
1
vote
1
answer
26
views
How to update a value of a UiState on a StateFlow?
Having this on my viewmodel:
val uiState: StateFlow<BusStopsDBScreenUiState> = busDataRepository.getBusStops()
.map<List<BusStop>, BusStopsDBScreenUiState> { busStops ->
...
- 37.4k
1
vote
1
answer
26
views
Kotlin - why does my test on StateFlow return "stops by timeout"?
I am trying to better understand how StateFlow can be used by writing simple code in a scratch file in Android Studio.
I just want to update a StateFlow and collect the result. The code is the ...
- 1,065
0
votes
1
answer
37
views
How to use Flow in iOS from my kotlin repository?
In my KMM app, I have my kotlin shared code with this method:
fun getUserProfile(): Flow<UserInfo?> =
firestore.collection("UserInfo").document(auth.currentUser!!.uid)....
- 284
1
vote
1
answer
27
views
My State Flow wont update the values in the viewmodel
I have this code for image analysis, and I'm trying to pass the processed text data list to the ViewModel. The text is recognized, but it doesn't get properly sent to the ViewModel. I logged the data, ...
- 11
1
vote
1
answer
48
views
How to change the value of a repository Flow?
I came across this article:
https://proandroiddev.com/loading-initial-data-in-launchedeffect-vs-viewmodel-f1747c20ce62
In this article, the author, while describing the advantages and disadvantages of ...
- 5,183
-2
votes
3
answers
63
views
Why can not fetch newest data through `.collectAsState()` method?
issue
Can not fetch new data in .collectAsState() method, appeared in
Code
In LoadFoodItemInfo.kt
The method is invoked.
FoodItemRepository.setDatas(queriedFoodItemVOs)
But after the above statement,
...
0
votes
0
answers
38
views
Jetpack Compose: What's the best practice for collecting StateFlow - in parent or child composable? [duplicate]
I have a Compose screen structure where ComposableA contains ComposableB and ComposableC. ComposableC needs data from a StateFlow in the ViewModel. I'm trying to determine the best approach for ...
- 259
0
votes
2
answers
66
views
MutableStateFlow emission criteria explanation
I'm writing a simple todo app using compose and stateflow.
data class Task(
val name: String,
val isCompleted: Boolean,
val date: Long
)
class SomeViewModel : ViewModel() {
private ...
- 2,528
1
vote
1
answer
59
views
Collecting a flow does not produce any update
In a sample project I have a viewModel with two use cases. Both use cases call the same repository. One fetches via a flow a list of tasks that stores the repository in a StateFlow. The other provides ...
- 11
1
vote
1
answer
39
views
uiState doesn't update as expected
Whenever I trigger the "FavoritePost" or "DeletePost" and the uiState has TAB_TWO (Favorites) selected it either swaps to TAB_ONE, stays in TAB_TWO but displays all the Posts ...
3
votes
2
answers
103
views
View not updating after update to viewModel
I have the below list of items which has a checkbox next to each item in the form of a button. When the button is not selected, a black empty circle should show. When the button is selected there ...
- 609
4
votes
2
answers
89
views
Compose screen not recompositioning after state change
I have a ViewModel with a stateFlow. Everytime that a button is clicked, I'm changing the value to the state but, for some reason, the screen is not reacting to that change.
I know that the state's ...
- 302
0
votes
0
answers
50
views
MutableStateFlow not being updated on @Composable
Currently I have a WebAppInterface that detects the events of the web, such WebAppInterface is called inside a @Composable WebView, inside the WebAppInterface I have a function that I have ...
- 357
1
vote
1
answer
83
views
How do I manage uiState for multiple sections?
I'm currently developing an Android app that displays multiple sections of movie lists. Each section's UI state is managed independently using separate StateFlows in the ViewModel. Here's a simplified ...
- 75
0
votes
1
answer
95
views
collect flow doesn't receive value from repository/usecase in viewmodel - android coroutines
I have a Repository + UseСase + ViewModel + MVI architecture.
I have a UseCase for collecting Flow, and another UseCase to update Flow in repository When I go to the screen, collect fires and gives me ...
- 444