<how to fetch marker from room database based on v...

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how to fetch marker from room database based on visible region in Google Maps
I am using Google Maps in my Android app, I am displaying markers that are in visible regions on maps.
Is this the correct approach to fetch markers from the room database?
I could use paging to get data faster.
When the user navigates to MapScreen, the UI kind of lags. It takes a while to display all markers and load the map
@Composable
fun MapScreen(viewModel: MapViewModel = viewModel()) {
val scope = rememberCoroutineScope()
val context = LocalContext.current
var...