All Questions
Tagged with android-jetpack-compose kotlin-coroutines
224 questions
0
votes
2
answers
76
views
Android Jetpack Compose: How to stop execution of a coroutine launched in `produceState`?
Goal
I have a computation heavy function calculateItems: suspend (String) -> Sequence<String>.
I want to load the outputs of this calculation while showing the progress to the user and ...
- 291
0
votes
1
answer
105
views
How to update UI state using stateIn in ViewModel jetpack compose
I have a ProfileViewModel where I load the user profile when the user lands on the screen. To achieve this, I use stateIn so that the profile is fetched automatically.
Now, I want to modify ...
- 7,495
1
vote
0
answers
39
views
Is it really necessary to use a flow when signing in Firebase?
I have an operation to sign in Firebase:
suspend fun signIn(user: String, pass: String): Response<Unit>
And I call this signIn in the ViewModel like this:
class AuthViewModel @Inject ...
- 3,031
0
votes
2
answers
75
views
Trigger a coroutine when the other is finished
I do have an app where I have to call an endpoint to pull a list of product and another endpoint to pull the list of product type.
The second endpoint only return the list of type but I need to add ...
- 3,231
0
votes
1
answer
78
views
Android flingBehavior button to scroll back to start
I have a LazyRow containing multiple Card items that the user can scroll through. I wanted this to be snapping to each of these items, so I added flingBehavior to the LazyRow.
My question now is:
How ...
- 127
0
votes
1
answer
70
views
What is the best way to use a recursive function in a Kotlin Coroutine so that it can be cancelled and restarted?
I am trying to run a recursive function on a background thread and be able to cancel it and restart it when the user clicks a button. I have read through some coroutine basics but still not getting ...
- 13
0
votes
2
answers
68
views
How to propagate the changes from Room when I perform an update?
I have 7 items in Room and I want to update the name of one item. Here is what I have tried:
interface ItemDao {
@Query("SELECT * FROM item_table")
fun getItems(): Flow<List<...
- 3,031
-2
votes
1
answer
53
views
Jetpack Compose Framework - Android - Kotlin - In a Textfield, why isn't 'query' value being changed once my suspend coroutine is completed?
Short: In my Textfield, why isn't "query" value being cleared once my coroutine is completed?
In my Textfield composable, I am testing a "query" value being passed through a ...
- 1
0
votes
0
answers
72
views
Android Glance Widget Error: Truncated Column container from 11 to 10 elements - IllegalArgumentException
I get the following Error when building my GlanceWidget.
Full StackTrace:
Truncated Column container from 11 to 10 elements
java.lang.IllegalArgumentException: Column container cannot have more ...
- 439
2
votes
4
answers
126
views
Android Compose state not available inside kotlin Coroutines
I have something like this :
class MyViewmodel(repository: Repository, sv: SaveStateHandle): Viewmodel() {
var user by mutableStateOf(User(id = "", name = "")
...
1
vote
2
answers
74
views
How to get the new item name when I perform an update in Room?
I have 5 items in Room and I want to update the name of one item. Here is what I have tried:
interface ItemDao {
@Query("SELECT * FROM item_table")
fun getItems(): Flow<List<...
- 3,031
1
vote
0
answers
58
views
Compose UI not waiting for viewModel's coroutine results. GoogleMap composable
I have a compose screen that shows Google Maps. I'm using this state model:
data class CragsOnMapsState(
val currentLocation: Location? = null,
val cragsList: List<Crag>,
val ...
- 312
4
votes
2
answers
194
views
How to use Dispatchers.IO correctly to read local files on Android?
In the Android documentation it says the following:
Dispatchers.IO - This dispatcher is optimized to perform disk or network I/O outside of the main thread. Examples include using the
Room component, ...
- 1,001
3
votes
1
answer
100
views
Coroutines don't advance when testing Ktor with Jetpack Compose
I'm trying to test my code that uses Ktor:
WeatherRepository:
class WeatherRepository(
engine: HttpClientEngine,
private val locationClient: LocationClient
) {
...
suspend fun getCurrentWeather(): ...
- 181
0
votes
0
answers
53
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 ...
- 387