JetPack Compose 7편 : Lists

mky 2025. 12. 31. 16:37

class MainActivity : ComponentActivity() {
    @SuppressLint("InvalidColorHexValue")
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge()
        //xml은 setContentView

        setContent {
            val scrollState = rememberScrollState()
            Column (
                modifier = Modifier.verticalScroll(scrollState)
            ){
                for (i in 1..50) {
                    Text(
                        text = "Item $i",
                        fontSize = 24.sp,
                        fontWeight = FontWeight.Bold,
                        textAlign = TextAlign.Center,
                        modifier = Modifier
                            .fillMaxWidth()
                            .padding(vertical = 24.dp)
                    )
                }
            }
        }

    }
}

1부터 50까지

class MainActivity : ComponentActivity() {
    @SuppressLint("InvalidColorHexValue")
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        enableEdgeToEdge()
        //xml은 setContentView

        setContent {
            val scrollState = rememberScrollState()
            LazyColumn {
                itemsIndexed(
                    listOf("This", "is", "Jetpack", "Compose")
                ) { index, string ->
                    Text(
                        text = string,
                        fontSize = 24.sp,
                        fontWeight = FontWeight.Bold,
                        textAlign = TextAlign.Center,
                        modifier = Modifier
                            .fillMaxWidth()
                            .padding(vertical = 24.dp)
                    )

                }
            }
        }

    }
}