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KevinnZou avatar KevinnZou commented on June 23, 2024

Thanks for your question. The answer is Yes! I add the support for LazyVerticalGrid in Version 0.0.3. I also provide an example of it in the Sample App. You can have a try and let me know if you have any questions!
The Apis are:

fun <T : Any> LazyGridScope.itemPaging(
    pagingData: LazyPagingItems<T>,
    span: Int,
    loadingContent: @Composable (() -> Unit)? = { DefaultLoadingContent() },
    noMoreContent: @Composable (() -> Unit)? = { DefaultNoMoreContent() },
    errorContent: @Composable ((retry: (() -> Unit)?) -> Unit)? = { retry ->
        DefaultErrorContent(
            retry
        )
    },
) {
    when (pagingData.loadState.append) {
        is LoadState.Loading -> loadingContent?.let { item(span = { GridItemSpan(span) }) { loadingContent() } }
        is LoadState.Error -> errorContent?.let { item(span = { GridItemSpan(span) }) { errorContent { pagingData.retry() } } }
        is LoadState.NotLoading ->
            if (pagingData.loadState.append.endOfPaginationReached && noMoreContent != null) {
                item(span = { GridItemSpan(span) }) { noMoreContent() }
            }

    }
}
fun <T : Any> LazyGridScope.itemsIndexed(
    items: LazyPagingItems<T>,
    itemContent: @Composable LazyGridItemScope.(index: Int, value: T?) -> Unit
) {
    items(items.itemCount) { index ->
        itemContent(index, items[index])
    }
}

You can use it like that:

@Composable
fun PagingGridScreen(viewModel: MainViewModel = hiltViewModel()) {
    val pagerData = viewModel.pager.collectAsLazyPagingItems()
    PagingListContainer(pagingData = pagerData) {
        LazyVerticalGrid(
            columns = GridCells.Fixed(2),
            verticalArrangement = Arrangement.spacedBy(10.dp),
            horizontalArrangement = Arrangement.spacedBy(10.dp),
            contentPadding = PaddingValues(10.dp)
        ) {
            itemsIndexed(pagerData) { index, value ->
                Box(
                    Modifier
                        .background(if (index.rem(2) == 0) Color.Yellow else Color.Magenta)
                        .height(128.dp),
                    contentAlignment = Alignment.Center
                ) {
                    Text(text = value.toString())
                }
            }
            if (pagerData.itemCount.rem(2) != 0) {
                item { Spacer(Modifier.background(Color.White)) }
            }
            itemPaging(pagerData, 2)
        }
    }
}

from compose-paginglist.

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