import androidx.compose.material.Button import androidx.compose.material.MaterialTheme import androidx.compose.material.Text import androidx.compose.runtime.Composable import androidx.compose.runtime.getValue import androidx.compose.runtime.mutableStateOf import androidx.compose.runtime.remember import androidx.compose.runtime.setValue @Composable internal fun App() { MaterialTheme { var text by remember { mutableStateOf("Hello, World!") } Button(onClick = { text = "Hello, ${getPlatformName()}" }) { Text(text) } } } expect fun getPlatformName(): String