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September 12, 2024 10:56
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Kotlin Coroutines & Flows Masterclass, Coroutine basics Assignment #3
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| class MainActivity : ComponentActivity() { | |
| override fun onCreate(savedInstanceState: Bundle?) { | |
| super.onCreate(savedInstanceState) | |
| enableEdgeToEdge() | |
| setContent { | |
| var birdName by remember { | |
| mutableStateOf("Coo") | |
| } | |
| MyApplicationTheme { | |
| Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding -> | |
| Column(modifier = Modifier | |
| .padding(innerPadding) | |
| .fillMaxSize(), horizontalAlignment = Alignment.CenterHorizontally) { | |
| when (birdName) { | |
| "Coo" -> { | |
| CooBird() | |
| } | |
| "Caw" -> { | |
| CawBird() | |
| } | |
| "Chirp" -> { | |
| ChirpBird() | |
| } | |
| } | |
| Column(modifier = Modifier.fillMaxSize(), horizontalAlignment = Alignment.CenterHorizontally) { | |
| Button(onClick = { birdName = "Coo" }) { | |
| Text(text = "Coo") | |
| } | |
| Button(onClick = { birdName = "Caw" }) { | |
| Text(text = "Caw") | |
| } | |
| Button(onClick = { birdName = "Chirp" }) { | |
| Text(text = "Chirp") | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| @Composable | |
| fun CooBird() { | |
| LaunchedEffect(key1 = true) { | |
| while (true) { | |
| delay(1000) | |
| println("Coo") | |
| } | |
| } | |
| Text( | |
| text = "Selected bird Coo!" | |
| ) | |
| } | |
| @Composable | |
| fun CawBird() { | |
| LaunchedEffect(key1 = true) { | |
| while (true) { | |
| delay(2000) | |
| println("Caw") | |
| } | |
| } | |
| Text( | |
| text = "Selected bird Caw!" | |
| ) | |
| } | |
| @Composable | |
| fun ChirpBird() { | |
| LaunchedEffect(key1 = true) { | |
| while (true) { | |
| delay(3000) | |
| println("Chirp") | |
| } | |
| } | |
| Text( | |
| text = "Selected bird Chirp!" | |
| ) | |
| } |
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