internal fun createViewModelScope(): CloseableCoroutineScope {
    // dispatcher initialization 
    return CloseableCoroutineScope(coroutineContext = dispatcher + SupervisorJob())
}

internal class CloseableCoroutineScope(
    override val coroutineContext: CoroutineContext,
) : AutoCloseable, CoroutineScope {

    constructor(coroutineScope: CoroutineScope) : this(coroutineScope.coroutineContext)

    override fun close() = coroutineContext.cancel()
}

@Composable
fun FadeAnimationDemo() {
    var isVisible by remember { mutableStateOf(true) }

Column(
        modifier = Modifier.fillMaxSize(),
        verticalArrangement = Arrangement.Center,
        horizontalAlignment = Alignment.CenterHorizontally
    ) {
        AnimatedVisibility(
            visible = isVisible,
            enter = fadeIn(),
            exit = fadeOut()
        ) {
            Text("Hello Jetpack Compose!", style = MaterialTheme.typography.h4)
        }
        Spacer(modifier = Modifier.height(16.dp))
        Button(onClick = { isVisible = !isVisible }) {
            Text("Toggle Visibility")
        }
    }
}

@Composable
fun ScaleAnimationDemo() {
    var isScaled by remember { mutableStateOf(false) }

    val scale by animateFloatAsState(
        targetValue = if (isScaled) 1.5f else 1f,
        animationSpec = tween(durationMillis = 500)
    )
    Box(
        modifier = Modifier
            .fillMaxSize()
            .clickable { isScaled = !isScaled },
        contentAlignment = Alignment.Center
    ) {
        Box(
            modifier = Modifier
                .size(100.dp)
                .graphicsLayer(scaleX = scale, scaleY = scale)
                .background(Color.Blue, shape = CircleShape)
        )
    }
}

class MainViewModel(private val mainRepository: MainRepository) : ViewModel() {
    // Не рекомендуется
    private fun fetchPosters() = runBlocking { 
        mainRepository.fetchPosters()
    }
}

androidx.lifecycle:lifecycle-runtime-compose:2.9.0-alpha09
androidx.lifecycle:lifecycle-runtime-compose-android:2.9.0-alpha09
androidx.lifecycle:lifecycle-runtime-compose-jvmstubs:2.9.0-alpha09
androidx.lifecycle:lifecycle-runtime-compose-linuxx64stubs:2.9.0-alpha09
androidx.lifecycle:lifecycle-viewmodel-compose:2.9.0-alpha09
androidx.lifecycle:lifecycle-viewmodel-compose-android:2.9.0-alpha09
androidx.lifecycle:lifecycle-viewmodel-compose-desktop:2.9.0-alpha09
androidx.navigation:navigation-compose:2.8.6
androidx.navigation:navigation-compose:2.9.0-alpha05
androidx.navigation:navigation-fragment-compose:2.8.6
androidx.navigation:navigation-fragment-compose:2.9.0-alpha05
androidx.savedstate:savedstate-compose:1.3.0-alpha07
androidx.savedstate:savedstate-compose-android:1.3.0-alpha07
androidx.savedstate:savedstate-compose-jvmstubs:1.3.0-alpha07
androidx.savedstate:savedstate-compose-linuxx64stubs:1.3.0-alpha07