Navigation Compose Demo
Dependencies implementation("androidx.navigation:navigation-compose:2.9.2") Use class MainActivity : ComponentActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContent { val navController = rememberNavController() NavigationDemoApp(navController) } } } @Composable fun NavigationDemoApp(navController: NavHostController) { NavHost(navController = navController, startDestination = "screen1") { composable("screen1") { Screen1(navController) } composable("screen2") { Screen2(navController) } } } @Composable fun Screen1(navController: NavController) { Column( modifier = Modifier.fillMaxSize(), verticalArrangement = Arrangement.Center, horizontalAlignment = Alignment.CenterHorizontally ) { Text(text = "Screen 1") Button(onClick = { navController.navigate("screen2") }) { Text(text = "Go to Screen 2") } } } @Composable fun Screen2(navController: NavController) { Column( modifier = Modifier.fillMaxSize(), verticalArrangement = Arrangement.Center, horizontalAlignment = Alignment.CenterHorizontally ) { Text(text = "Screen 2") Button(onClick = { navController.popBackStack() }) { Text(text = "Go back") } } } 官方指南 https://developer.android.com/develop/ui/compose/navigation ...