Compose lazy column

I created a custom Lazy Column with that solution, just pass the lazy content to the content parameter: /** * A [LazyColumn] that aligns the last item at the bottom of the screen * using a custom verticalArrangement function. This state has all the info that we need to observe to create our infinite Dec 1, 2023 · Setting Up the Project: 1. Use a Box as a parent, and then put your lazy column and placeholder inside of it. ) {. With a more intuitive and functional approach, it offers a wide range of tools to manage and style text. items] to add a list of items. The problem is that you are using an unstable variable in the composable function, which is why the list is redrawn with each change: //your code. May 17, 2022 · Assuming I will need a lazy column for the filter titles and then another nested lazy column for the actual filters but since the jetpack compose doesn't allow nested lazy column what's the alternative way to build it? Even if I specify the height for the second or first lazy column the content inside may not fit. Jun 21, 2024 · Use lazy layout keys. Oct 15, 2021 · You don't need to keep it in the activity, you just need to move it out of the LazyColumn. Because Column doesn’t support scroll by default and you can Oct 4, 2021 · Lazy composablesIf you need to display a large number of items (or a list of an unknown length), using a layout such as Column can cause performance issues, since all the items will be composed and laid out whether or not they are visible. toMutableStateList() } LazyColumn( modifier = modifier ){. All that is needed is a ViewModel with a scroll position variable. The [content] block defines a DSL which allows you to emit items of different types. This lazy-loading May 20, 2022 · But, it is Jetpack Compose time so one thing can be done — Create my own custom LazyColumn with indexing. The Composables for off-screen items are not kept in memory and are recycled as the user scrolls through the list. For some special cases like chat app, when LazyColumn's viewport size changed and you want to make bottom messages visible, you can use field reverseLayout Jul 17, 2023 · The run details screen. Aug 2, 2022 · Logs and experiments show that it indeed does: viewModel collects new list, then lazyColumn observes new list and use items syntax to create composable items, and the deleted item is removed from UI visibly. To add it to your project, you should add the following into your project build. add, the UI can be updated successfully. Don't worry if your app is laggy in debugging. With this information, you can see how this can be extended for slow/fast scrolls by returning the offset multiple by some factor. May 18, 2022 · 1. This can be done way smoother with this small change: val scrollbarOffsetY = firstVisibleElementIndex * elementHeight + state. val list = (1. This section in the compose's doc explains what are stable types and how to skip recomposition. Scaffold(topBar = {. Oct 5, 2022 at 10:44. gradle of your app module add the Jun 21, 2024 · Compose provides a collection of ready-to-use layouts to help you arrange your UI elements, and makes it easy to define your own, more-specialized layouts. selected = selected. Pero a diferencia de éste, que carga todas las vistas necesarias para llenar la pantalla inicialmente, LazyColumn solo carga los elementos visibles, optimizando así el rendimiento al manejar grandes Dec 9, 2022 · android-jetpack-compose-lazy-column; Share. fillMaxWidth() to add some space. collectAsState() as shown: val snapList = SnapshotStateList<DownloadProgress>() snapList[currentDownloadIndex] = snapList[currentDownloadIndex]. Aug 8, 2022 · Jetpack Compose was introduced at Google I/O 2019. wrapContentWidth(align = Alignment. I am working with Jetpack Compose, can you help me please? This is what I did so far: Jun 27, 2022 · Optimizing Lazy List in Jetpack Compose: Best Practices Unknowingly common mistakes might slow down List performances due to unnecessary recompositions let’s learn how to create optimized list. Replace your LazyColumn code with BoxWithConstraints and regular Column. As your code is not runnable, I'm giving more a pseudo code, which should theoretically work. fillMaxWidth(), state = listState. Create a new Android project in Android Studio. val height = minHeight/menus. The approach has two almost identical implementations. . In RecyclerView, to have a proper margin/padding between items, we need to use ItemDecoration, as per this article. Jul 17, 2023 · Code explanation. In that case, when you call todos. To solve this with live data, you need to set new value to you items, setting the same value will be enough: fun setSelected(index: Int, selected: Boolean) {. At the moment, imagine that we are developing our application with Jetpack Compose 1. value. Similarly, you can select a different tab based on the first visible item. Let’s say they’re LazyColumns on steroids. Unline Column or Row Composable we cannot place composable inside directly inside Lazy Composables. item {. ItemDecoration() {. fillMaxSize(), contentAlignment = Alignment. dp. For small, static lists, a Column might suffice. These components include Nov 16, 2023 · Here’s a step-by-step guide to handling item clicks in Lazy Column: 1. return scrollState. value = items. BoxWithConstraints(modifier = Modifier. The main idea here is to merge your Column with LazyColumn. Here we are passing 1000 nos as name to Greeting composable. It is part of the Android Jetpack library, designed to simplify Jun 1, 2023 · Jetpack Compose LazyColumn is the successor of RecyclerView and Adapter. Using Box. Nov 27, 2020 · Jetpack compose no longer uses LazyColumnFor so I've updated the answer to reflect the current state of compose. LazyColumn is used here to create a scrollable list and only renders visible items on the screen. The vertically scrolling list that only composes and lays out the currently visible items. 350k 106 106 gold Aug 26, 2021 · One solution would be to nest LazyColumn in a column. item] to add a single item and [LazyListScope. To do so, add a testTag on the LazyColumn and scroll to the item containing that text: ) { . Jetpack Compose is a modern toolkit designed to simplify UI development. In this tutorial, you’ll learn about Lazy composables in Jetpack Compose. val list = remember{(1. 5,969 17 17 gold May 25, 2021 · 17. Our new compose elements were embedded within a RelativeLayout of an existing XML file. Aug 14, 2021 · LaunchedEffect is the preferred way to do any actions inside composable functions. Aug 21, 2023 · If you are using Jetpack compose on a regular basis and utilizing LazyList APIs then you might have faced this issue in your app. Aug 1, 2021 · 1. Change to something like the below. @Composable. If you're in debug mode, that's normal. How do I do this with a StateFlow? I need to pass a page String to fetch the next group of items, but how do I pass a page into the repository. Jun 29, 2021 · 0. items. ShowList can now be an extension function for LazyListScope, this will allow calling items of parent LazyColumn directly within the ShowList function. May 8, 2021 · Update for Compose 1. Aug 27, 2021 · Arthur Bertemes worked perfectly for my case. According to thinking in compose, to get best performance your view should be side effects free. The magic of Compose is that you can just use it in an if statement and Compose will do the work. 351k 106 106 gold Oct 8, 2021 · Using compose LazyColumn I would like a card for the header item, and a single card that contains the remaining items. Show the placeholder if the list is empty. If you want to modify todos in your TodoItem, you may write it like this: @Composable. The problem is that the items function that accepts a list is defined as an Extension function, so we need to import it to make it visible for use. value!![index]. Is this a normal case? – Feb 8, 2022 · 7. Added . Make sure you have the necessary dependencies for Jetpack Compose, including ` androidx. You don't need to define a coroutine for rememberCoroutineScope, it returns pre-initialized coroutine. – Miguel Sesma. 1. 300). This shows that the context does not have composable context. gradle or settings. scrollPosition = scrollState. First the parameters: listState: LazyListState as the name implies is the state of the list, which you can get by calling val listState = rememberLazyListState(). Like below. Defer reads as long as possible. The number of items in a line can also be controlled by setting maxItemsInEachRow or maxItemsInEachColumn. This works, the problem is when I try to access one of the items of a LazyColumn that is in one of the screens. Center) {. You might encounter common Compose pitfalls. The code that builds the preview above is: Column {. In this Jetpack Compose tutorial, let’s learn how to center vertically, center horizontally, and center both ways. items = messages, key = { message ->. Dec 12, 2020 · In JetpackCompose, we can use LazyColumnFor as RecyclerView. ) Add modifier. Back to the 4 days ago · LazyColumn. We must assert that the LazyColumn contains an item with a specific text. foundation. TopAppBar(title = { Text(text = "Example") }) }) {. message. You need to use a MutableStateList<T>. fillMaxWidth(), cells = GridCells. x APIs. animateContentSize to your items, then animate the height and width of those items to zero. Sep 26, 2021 · In my case , I manage to solve this issue by making the LazyVerticalGrid as the container for grid's items and also the other content , now it looks like this : val spanCount = 2. LazyVerticalGrid(. uppercase(), modifier = Modifier. 2. Follow best practices to optimize your app on Compose. Gabriele Mariotti. Step 4: Working with Lazy Composables. For example you can use [LazyListScope. modifier = modifier. dp)) { } For the past few years, we’ve been getting to grips with Jetpack Compose and how we can use it to build apps for Handheld and Wear OS devices. The OutlinedButton composable helps to create an outlined button in Jetpack Compose. Step by Step Implementation. Using Scaffold with Material 3’s LargeTopAppBar. Aug 15, 2021 · To combat this, you can provide a stable and unique key for each item, providing a block to the key parameter. Usually you need to use it for events like button press or touch. LazyColumn is RecyclerView counterpart of Compose while Column with verticalScroll is ScrollView counterpart. We could make the entire Column scrollable, but then we end up with a complex nested scroll situation that wouldn’t work like we are intending. copy(progress = newProgress) answered Apr 21 at 13:37. other) directly from Composable builder is a mistake. Text(text = "First", modifier = Modifier. Spacer(modifier Dec 18, 2021 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Aug 31, 2021 · The lazyColumns are collapsible and expandable. Jul 10, 2021 · Compose skips the recomposition of a composable if all the inputs are stable and haven't changed. Jun 10, 2021 · You can write Custom Grid Composable using normal Row and Column components without Lazy effect. It has many useful parameters… Oct 5, 2023 · Learn how to harness the power of Lazy Column in Android Jetpack Compose! In this tutorial, we'll dive into Lazy Column and explore its incredible advantages Nov 29, 2021 · In lazy column, only the composables for the visible items are rendered and stay in memory. Fixed(spanCount), state = rememberLazyGridState(), ) {. Using Scaffold. If you have a small list and your use case doesn’t require scrolling then you can go with Column to display the list. lazy. answered Mar 15, 2023 at 6:02. El componente LazyColumn de Jetpack Compose es una alternativa eficiente a RecyclerView para manejar listas verticales. val scrollState = rememberScrollState(viewModel. I thought it will only recompose two lazyColumn items, but it seems that all the visible items inside the lazy column is recomposed. Jul 21, 2022 · The correct solution is to use this import: import androidx. firstVisibleItemIndex. In this article, we will see how to animate items in LazyColumn. As of 5/16/2022 the best way to add a uniformed background to a list of items is through a custom composable that nests a * listOf<Any //your data class/> () within a LazyColumn () - "item { }" block. This was where the problem was. Text(. Also calling otherViewModel. ViewModel This is again one of the simple classes of this article, where we simply get the flow provided by the use case (to which it was already provided by the repository), and store it Nov 3, 2021 · If you want to add a header before the list of items please take a look on LazyColumn component which has a DSL api which allows to first add a header via item () function and then the list of items via items () lazyColumn codes, I have a list in this code: modifier: Modifier, state: ProfileState, viewModel: ProfileViewModel. But problem is that I don't know in idiomatic way in jetpack compose. Jul 25, 2022 · 1. Late last year, Composables built for Android TV apps started to surface as Alpha releases and in this series of blog posts, I want to dive into these compos Nov 11, 2022 · The issue is the very similar to the one discussed here for Flutter, but happens in native Android using Jetpack Compose: Is there a way to dynamically add bottom padding to a (Lazy)Column so its content is never obscured by the FAB? The FAB is added to the Scaffold so I would expect some way to get this padding dynamically. So the user shouldn't be aware of this collapsing/expanding process, it seems like the list scrolls fluently. items. The Circle Image composable is used to display circular images for Android Jetpack Compose LazyColumn scrollbar implementation Topics android library scrollbar android-ui scroller compose fastscroll fastscroller jetpack-compose Aug 10, 2021 · 13. 4. Oct 17, 2021 · For example: I want if I press where it says "first" the app call a phone number (the number that I put in the code, I don't want it to call a number that I must put when I use the app), and if I press where it says "second" the app call another phone number. The text will be centered horizontally as seen in the output Jul 5, 2023 · On the other hand, LazyColumn is inherently scrollable. For example, you can store it in a mutable state list, as shown here: val counters = remember { names. () -> Unit / content: @Composable RowScope. When the user scrolls and the visible items change, the LazyColumn emits new Composables for the new visible items and recycles the Apr 24, 2022 · If we peek into LazyColumn code, we can find content: LazyListScope. fun ShowScreen(viewModel: UseListViewModel){. getContent() method? Feb 22, 2024 · For original setting of LazyColumn, when LazyColumn's viewport size changed, Compose will try to conserve top messages visible on view. If false, none is consumed and scrolling happens normally. itemsIndexed(items = names) { i, name ->. a list of names is May 4, 2021 · After some investigation the solution to this issue for us was the view in which the LazyColumn was constrained. Top and Bottom Separator. Aug 9, 2021 · 1. Just create the APK in release mode (Build -> Generated Signed Bundle/APK), which might solve your problem. padding(8. The application has a bottomBar with 3 items that navigates to the selected screen. The simple solution is to use LazyColumn’s item Feb 18, 2022 · Jetpack compose 1. That means when the reversed lazyColumn is at Index 0 and you scroll further it collapses on your scroll, meanwhile the other lazyColumns takes up the free space (expands). Whether you’re a seasoned developer or just getting started, this guide will walk you… Feb 23, 2021 · Feb 17, 2022 at 10:20. Oct 6, 2023 · 0. LazyColumn(. I am trying to build a screen that contains nested lists as in the image below. (But hope to find better solution) LazyColumn(contentPadding = PaddingValues(bottom = 70. Jun 9, 2021 · Works similar to our old RecyclerView implementation but now in compose! Let me explain what is going on. align(Alignment. // Return a stable + unique key for the item. Jan 5, 2022 · Things will speed up your Lazy List. However, for large, dynamic lists, LazyColumn offers superior performance thanks to its lazy rendering. This means that when the user scrolls an inner child of nested components, the previous modifiers propagate the scrolling deltas to the parents that have nested Feb 28, 2023 · In this article, I’ll explore three different approaches to achieve the same effect in a Jetpack Compose LazyColumn. foundation ` and Nov 2, 2022 · Using the item function you are adding another item to the scrollable content of the LazyColumn. So Let's build a sample app to demonstrate the issue. id. Jul 5, 2023 · Alignment is an important aspect of designing a mobile app. Sarthak Mittal. This creates multiple rows or columns. Step 1: Create a New Project. I use the terms “toolbar” and “top bar” interchangeably day-to-day, but I went with “top bar” for this article since that’s the term Mar 3, 2021 · The solution for me was using SnapshotStateList instead of LiveData. () -> Unit respectively. toList() Wrap the value of the variable in remember and then the problem will be solved: //updated code. – c-an. Standard layout components. Then into the build. Workarounds:-. All credit to "Sinner of the System". What's interesting is that it happens only with LazyColumn and works fine when I use Column The fix I found is to add contentPadding to the bottom. Prerequisites: Knowledge of Kotlin. map { 0 }. When true, all of the available scroll is consumed. The main difference between them is that IndexedLazyColumn implementation needs a whole LazyColumn and its LazyListState as parameters, but IndexedDataLazyColumn needs the itemContent Apr 17, 2022 · Jetpack Compose is an Android UI toolkit that allows you to build native UI components using a declarative approach. FlowRow and FlowColumn are composables that are similar to Row and Column, but differ in that items flow into the next line when the container runs out of space. It completely removed the XML code and offered a much easier way to handle common features like displaying data. The nested list can be easily implemented in Kotlin with the help Jan 31, 2023 · android-jetpack-compose-lazy-column; Share. onDispose {. Looks like the issue is caused by bottomNavBar. TopCenter)) Another solution is to use 2 modifier attributes: text = "Your text here", modifier = Modifier. When new Item get inserted into the database, the LazyColumn scrolls to the bottom and shows last Item just fine. Apr 13, 2023 · LazyColumn is a vertically scrolling list component in Jetpack Compose that efficiently renders large data sets by only displaying the items currently visible on the screen. Jul 6, 2023 · In this tutorial, we will show you how to add an outlined button in Android Jetpack Compose, which is part of the Material 3 design system. Jun 1, 2022 · There is a new library named LazyColumns that provides variations of a LazyColumn. Use Column to place items vertically on the screen. fun MessageList(messages: List<Message>) {. Create a Data Model: Define a data model to represent the items in your list. Outlined buttons are particularly useful for secondary actions and less important tasks. You can wrap each item in a Box and then apply alignment within the Box. Sep 14, 2021 · I am trying to create an app with JetPack Compose (first time) and I am having some problem with the navigation. Providing a stable key enables item state to be consistent across data-set changes: LazyColumn {. The application displays a list of items using LazyRow and LazyColumn, which are composable functions that allow for efficient loading of large lists of data. It is fully declarative, meaning you describe your UI by calling a series of functions that transform data into a UI hierarchy. May 30, 2021 · You can remove Column and use just one LazyColumn for the ShowScreen . Foundation. The implementation of the screen is the following: In our first test, we will verify that the title of the first record appears. verticalScroll() or another Lazy column it will get infinite height it wont be able to decide when to compose and when to dispose an composable, instead use items{} of block of lazy column Feb 28, 2021 · Not entirely an answer to the question, but I had an issue where LazyColum() took up the entire width of the screen. Open MainActivity. Apr 17, 2021 · Custom Compose Arrangement to add extra spacing at beginning and end of a LazyRow/LazyColumn 2 Change Alignment of particular child item in LazyColumn jetpack compose Apr 15, 2022 · 9. LazyColumn. Follow edited Dec 6, 2022 at 8:37. Mar 17, 2021 · How can i show the lazycolumn from below? by default it shows me the list from above LazyColumn(){ itemsIndexed(items = chat){ index, chat ->; Column(modifier = Modifier. Inside this block you're already in a coroutine, so can run suspend functions. Dec 4, 2023 · We have created an Extension Function on LazyListScope and then we are using it as Item in LazyColumn. As Ryan M writes, you can use LazyListState. ) Pass in a list item (a variable) to the items block of LazyColumn and then modify this list variable to trigger a recompostion. modifier = Modifier. animateItemPlacement() . Use derivedStateOf to limit recompositions. fillMaxSize()) {. It combines a reactive programming model with the conciseness and ease of use of the Kotlin programming language. Nov 7, 2022 · It works, but I really don't get what's going on. toList()} Mar 6, 2021 · NestedScrollConnection allows you to consume any scroll applied to a lazy column or row. something like this: LazyColumn(. 0 just got released a few days ago, It added new features in which one of them was the ability to animate items in LazyRow and LazyColumn. On contrary, composables like Column / Row would have content: @Composable ColumnScope. Feb 15, 2024 · This article is about the most common issue faced when we try to implement a nested list view ( lazyColumn) in Jetpack Compose UI. Within the LazyColumn Scope I added a filter to the List then in the selection code I do a lookup in the unfiltered List. text = "ACS Microfinance - *614*435# - NG". LazyColumn() { item { Card() { // header card} } // would like all Jan 18, 2022 · android-jetpack-compose-lazy-column; Share. Dec 4, 2022 · First create a class with selected variable to toggle @Immutable data class MyItem(val text: String, val isSelected: Boolean = false) Then create a SnapshotStateList via mutableStateListOf that contains all of the items, and can trigger recomposition when we update any item with new instance, add or remove items also. id } and use Modifier. In the sample app, we are simply showing a list in which items are This project demonstrates the usage of LazyRow, LazyColumn, and Circle Image in Jetpack Compose, an Android UI toolkit. Jan 3 Jun 27, 2023 · Other than the runtime-ktx dependency, the compose dependency is also required here since it provides some intermediaries between our paging data flow and UI. It might have performance issue for massive dataset but it works. item(. gradle depending the Gradle version your project uses. 2 Without separator in both Top and Bottom. Look at the following example, which displays a different text based on the first visible item. CenterHorizontally), Jan 31, 2023 · For a list, if you want to refresh the UI when its size changes, you can choose val todos = remember { mutableStateListOf<String>() }. However, despite recompose with new data list, the data object of each composable item remains the old one and does not update as expected Aug 10, 2021 · For a LazyRow, or Column, how to I know whether the user has scrolled left or right ( or up or you know). 0: Animating item position changes are now possible but deletion/insertion animations are still not possible and need to be implemented by the method I've explained. Sep 15, 2022 · 10. If you want that the LazyColumn occupies only the remaining height available, and the footer that doesn't scroll with the list, you can move the footer out of the LazyColumn and apply the weight modifier to the LazyColumn. Note: If you scroll a lazy list, all invisible items will Jun 21, 2024 · File any feedback on the issue tracker. Jun 8, 2022 · With the LazyVerticalGrid, you can easily implement a lazy loading grid in Jetpack Compose with either a fixed amount of columns or making it adaptive to ada Nov 8, 2021 · 0. Jun 19, 2021 · It is not necessary to assign it to the items parameter of the column, but that is our use case here. To animate item position changes you just have to provide the item keys in your list by key = { it. Specifically, you’ll learn: What a Lazy composable is and how it works under the hood. Follow edited Dec 21, 2022 at 9:35. Dec 16, 2023 · Maybe yo can create an Extension function to make a custom made function to hide non pattern items. These mistakes might give you code that seems to run well enough, but can hurt your UI performance. () -> Unit as the content parameter datatype. import androidx. Below is an example of a function that extends the scope of a LazyColumn () return this. Jul 28, 2021 · Step 3: Create Row and Column Items that are going to be displayed. compose. Our project uses a combination of Jetpack Compose and the older XML layout files. In many cases, you can just use Compose's standard layout elements. It's completely fine. Knowledge of Jetpack Compose. Feb 20, 2022 · However, I now want to fetch more items to add to my lazy list. The comparison uses the equals method. 1. This a partial code using this option: LazyColumn(modifier = Modifier. firstVisibleItemScrollOffset / 4 and val scrollbarHeight = elementHeight * 4. Avoid backwards writes. . Header() LazyColumn() {. Nov 24, 2022 · Condions are as follow:-. Any Composable inside Column with vertical scroll enters composition the moment Column is composed while LazyColumn uses SubcomposeLayout to subcompose Composables on screen and one extra when you reach last visible item on Screen. Here is an example. We use Column and its parameter horizontalAlignment to make the children center horizontally to the parent. Well, it doesn't work. size. pa Jul 7, 2023 · Welcome to this all-encompassing guide on Jetpack Compose Text! Jetpack Compose has revolutionized the way we think about UI development in Android. fillMaxWidth() . Before you begin. You can pass a reference to it around and update in any method which accepts a SnapShotStateList<T> Nov 22, 2021 · It cannot send you new value when some inner object property is updated. Instead of working with traditional XML layouts or complex adapter-based RecyclerViews, Compose enables you to describe your UI in a more intuitive and concise way. Follow edited Feb 7, 2023 at 21:45. observeAsState() or Flow. I guess Compose will ensure that only the necessary bits get recomposed. I don't want to re-render items that have already been rendered in the LazyColumn, I just want to add the new items. Dec 19, 2022 · Lazy column needs fixed height component as parent to achieve lazy behavior, if add lazy column inside parent with modifier Modifier. Improve this question. BoxWithConstraints for getting the minHeight or in this case you can say screen height. The decision between using Column or LazyColumn hinges on the specific requirements of your Android application. class MarginItemDecoration(private val spaceHeight: Int) : RecyclerView. LazyColumn display a large number of items efficiently in the vertically scrollable list. Above I defined a helper function to persist scroll state when a composable is disposed of. Compose provides a set of components which only compose and lay out items which are visible in the component’s viewport. Jetpack compose always needs a state object to be modified before recomposition can occur. items(. Column(. Footer() But then the Header and Footer would not be scrollable. Vivek Modi. load(sh. kt and create two Composables, one for Row Item and One for Column Item. viewModel. Align the content of the box as center: Box(modifier = Modifier. This happens because when in debugging, Compose translates bytecode in runtime using JIT. fillMaxWidth(), state = listState) {. We do not need callbacks in compose for stuff like that, since mutableStateOf objects always anyway trigger recompositions so I just wish to know a way to store it in a variable. Additional Resources. scrollPosition) DisposableEffect(key1 = null) {. dp) to Modifier. For example, if you’re displaying a list of May 23, 2022 · Now, the better way of creating this LazyColumn is with "items" (instead of "item") parameter with these Composible functions list. I listen a Flow from Room and everything works great when reverseLayout = true. I did this in Xml using Recyclerview. May 4, 2022 · I have a LazyColumn holding some Items. Jun 21, 2024 · Automatic nested scrolling is supported and provided out of the box by some of Compose's components and modifiers: verticalScroll, horizontalScroll, scrollable, Lazy APIs and TextField. My logic makes one item's isSelected state to true, and others to false. Otherwise, inside the Composable containing the lazy column, you could just type the name of the variable and even that will work since all we want, is compose to get a message that this variable is being read by the Composable. qn lp kj yt do hs wc bs ay ac