AnimatedSwipeDismiss.kt

import androidx.compose.animation.*
import androidx.compose.animation.core.tween
import androidx.compose.material.*
import androidx.compose.runtime.Composable
import androidx.compose.runtime.onCommit
import androidx.compose.ui.Modifier

@OptIn(ExperimentalAnimationApi::class, ExperimentalMaterialApi::class)
@Composable
fun <T> AnimatedSwipeDismiss(
    modifier: Modifier = Modifier,
    item: T,
    background: @Composable (isDismissed: Boolean) -> Unit,
    content: @Composable (isDismissed: Boolean) -> Unit,
    directions: Set<DismissDirection> = setOf(DismissDirection.EndToStart),
    enter: EnterTransition = expandVertically(),
    exit: ExitTransition = shrinkVertically(
        animSpec = tween(
            durationMillis = 500,
        )
    ),
    onDismiss: (T) -> Unit
) {
    val dismissState = rememberDismissState()
    val isDismissed = dismissState.isDismissed(DismissDirection.EndToStart)

    onCommit(dismissState.value) {
        if (dismissState.value == DismissValue.DismissedToStart) {
            onDismiss(item)
        }
    }

    AnimatedVisibility(
        modifier = modifier,
        visible = !isDismissed,
        enter = enter,
        exit = exit
    ) {
        SwipeToDismiss(
            modifier = modifier,
            state = dismissState,
            directions = directions,
            background = { background(isDismissed) },
            dismissContent = { content(isDismissed) }
        )
    }
}

ListContent.kt

@Composable
fun <T> ListContent(
  innerPadding: InnerPadding, 
  items: List<T>, 
  onSwipe: (T) -> Unit, 
  onClick: (T) -> Unit
) {
  LazyColumnFor(
    modifier = modifier.padding(innerPadding),
    items = items,
  ) { item ->
     AnimatedSwipeDismiss(
       item = item,
       background = { isDismissed ->
        /** define your background delete view here
         * possibly:
            Box(
              modifier = Modifier.fillMaxSize(),
              backgroundColor = Color.Red,
              paddingStart = 20.dp,
              paddingEnd = 20.dp,
              gravity = ContentGravity.CenterEnd
            ) {
              val alpha = animate( if (isDismissed) 0f else 1f)
              Icon(Icons.Filled.Delete, tint = Color.White.copy(alpha = alpha))
            }
            
            using isDismissed to control alpha of the icon or content in the box
         */
       },
       content = { /* your item cell (feed your on click here) */ },
       onDismiss = { onSwipe(it) }
    }
}