Initial Code Representing a Screen Without Nested Scrolling

ComposeNestedScrollSampleInitialCode.kt

val AppBarHeight = 56.dp
val Purple40 = Color(0xFF6650a4)

Surface(
   modifier = Modifier.fillMaxSize(),
   color = MaterialTheme.colorScheme.background
) {
   Box {
       LazyColumn(contentPadding = PaddingValues(top = AppBarHeight)) {
           items(Contents) {
               ListItem(item = it)
           }
       }
       
       TopAppBar(
           title = { Text(text = "Jetpack Compose") },
           colors = TopAppBarDefaults.topAppBarColors(
               containerColor = Purple40,
               titleContentColor = Color.White
           )
       )
   }
}