recompose

jc-sample.kt

@Composable
fun Sample() {
    var button1 by remember { mutableStateOf("button 1") }
    var button2 by remember { mutableStateOf("button 2") }

    Column(horizontalAlignment = Alignment.CenterHorizontally) {
        // Recomposes when `button1` changes, but not when button2 changes
        Button(onClick = { button1 += "1" }) { Text(text = button1) }

        Spacer(modifier = Modifier.height(8.dp))

        // Recomposes when `button2` changes, but not when button1 changes
        Button(onClick = { button2 += "2" }) { Text(text = button2) }
    }
}