jetpack compose navigation

app-build.gradle

dependencies {
  // other dependencies
  implementation "androidx.compose.navigation:navigation:1.0.0-SNAPSHOT"
}

BasicNav.kt

@Composable
fun VeryBasicNav() {
  NavHost(startDestination = "Profile") { // this: NavGraphBuilder
    composable("Profile") {
      Profile()
    }
    composable("Dashboard") {
      Dashboard()
    }
    composable("Scrollable") {
      Scrollable()
    }
  }
}

build.gradle

allprojects {
  repositories {
     // .. existing repositories
     maven { url = 'https://androidx.dev/snapshots/builds/[buildId]/artifacts/ui/repository' }
   }
}

ComposeNavApp.kt

@Composable
private fun ComposeNavApp() {
  val navController = rememberNavController()
  val currentScreen by navController.currentBackStackEntryAsState()

  Scaffold(
    topBar = {
      TopAppBar(
        title = {
          Text(currentScreen?.destination?.id.toString())
        }
      )
    },
    bodyContent = {
      NavHost(
        navController = navController,
        startDestination = "Profile"
      ) { // this: NavGraphBuilder
        composable("Profile") {
          Profile()
        }
        composable("Dashboard") {
          Dashboard()
        }
        composable("Scrollable") {
          Scrollable()
        }
      }
    }
  )
}

Profile.kt

@Composable
fun Profile() {
    val navController = AmbientNavController.current
    Column(modifier = Modifier.fillMaxSize().then(Modifier.padding(8.dp))) {
        Text(text = Screen.Profile.title)
        Button(
            onClick = { navController.navigate("Dashboard") },
        ) {
            Text("Open Dashboard")
        }
    }
}