MainActivity.kt

setContent {
   val navController = rememberNavController()

   NavHost(navController, startDestination = NavigationDestination.Screen1.destination) {
       composable(NavigationDestination.Screen1.destination) {
           val viewModel: Screen1ViewModel = viewModel()
           Screen1(viewModel = viewModel)
       }
       composable(NavigationDestination.Screen2.destination) {
           val viewModel: Screen2ViewModel = viewModel()
           Screen2(viewModel = viewModel)
       }
   }
}