versions:
kotlin = "2.1.21"
ksp = "2.1.21-2.0.1"
koin-core = "4.1.0"
koin-annotations = "2.1.0"
navigationCompose = "2.8.0-alpha13"

import org.koin.core.context.startKoin
import org.koin.dsl.KoinAppDeclaration

fun initKoin(config: KoinAppDeclaration? = null) {
startKoin {
config?.invoke(this)
modules(sharedModule)
}
}

import org.example.project.OnboardApiService
import org.example.project.OnboardApiServiceImpl
import org.example.project.OnboardViewModel
import org.koin.core.module.dsl.viewModelOf
import org.koin.dsl.module

val sharedModule = module {
viewModelOf(::OnboardViewModel)
single { OnboardApiServiceImpl() }
}

@composable
fun App() {
val navController = rememberNavController()

NavHost(
    navController = navController,
    startDestination = OnboardRoute.Login
) {
    composable<OnboardRoute.Login> {
        val viewModel =
            it.sharedKoinViewModel<OnboardViewModel>(navController = navController)
        LoginScreen(
            onclick = {
                viewModel.saveLogin("Logged in")
                navController.navigate(OnboardRoute.OTP)
            }
        )
    }

    composable<OnboardRoute.OTP> {
        val viewModel =
            it.sharedKoinViewModel<OnboardViewModel>(navController = navController)

        OTPScreen(
            onboardViewModel = viewModel,
            onclick = {
                navController.navigateUp()
            }
        )
    }
}

}

@composable
fun LoginScreen(onclick: () -> Unit) {
Column(
verticalArrangement = Arrangement.Center,
horizontalAlignment = Alignment.CenterHorizontally,
modifier = Modifier.fillMaxSize().background(color = Color.Red)
.clickable {
onclick()
}
) {
Text(
text = "Login",
)
}
}

@composable
fun OTPScreen(onclick: () -> Unit, onboardViewModel: OnboardViewModel) {
Column(
verticalArrangement = Arrangement.Center,
horizontalAlignment = Alignment.CenterHorizontally,
modifier = Modifier.fillMaxSize().background(color = Color.Blue)
.clickable {
onclick()
}
) {
Text(
text = "OTP...${onboardViewModel.getLogin()}",
)
}
}

Here is the project link:https://github.com/RanjithSmitch/KoinIntegration