Navigation using Intent Snippet - AndroidX Compose Navigation Series

Composables.kt

@Composable
fun OuterComposable(
    content: @Composable () -> Unit
) {
    val context = LocalContext.current
    Scaffold(
        topBar = {
            TopAppBar(title = {
                Text(text = stringResource(id = context.applicationInfo.labelRes))
            })
        }
    ) {
        Box(modifier = Modifier.padding(it)) {
            content()
        }
    }
}

@Composable
fun FirstScreen(navigateToSecondScreen: () -> Unit) {
    OuterComposable {
        Column(
            modifier = Modifier.fillMaxSize(),
            verticalArrangement = Arrangement.Center,
            horizontalAlignment = Alignment.CenterHorizontally
        ) {
            Text(text = "First Screen", fontSize = 48.sp)
            Button(onClick = {
                navigateToSecondScreen()
            }) {
                Text(text = "Navigate to 2nd Screen")
            }
        }
    }
}

@Composable
fun SecondScreen() {
    OuterComposable {
        Column(
            modifier = Modifier.fillMaxSize(),
            verticalArrangement = Arrangement.Center,
            horizontalAlignment = Alignment.CenterHorizontally
        ) {
            Text(text = "Second Screen", fontSize = 48.sp)
        }
    }
}

MainActivity.kt

class MainActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            AndroidXComposeNavigationTheme {
                val context = LocalContext.current
                FirstScreen {
                    val intent = Intent(context, SecondActivity::class.java)
                    startActivity(intent)
                }
            }
        }
    }
}

SecondActivity.kt

class SecondActivity : ComponentActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContent {
            AndroidXComposeNavigationTheme {
                SecondScreen()
            }
        }
    }
}