287 questions
1
vote
0
answers
47
views
Android TV : LazyColumn and focus
I started a new app dedicated to Android TV platform.
I try to display an Activity containing 2 or 3 columns using LazyColumn components. Each column are displayed correctly with the data in my lists....
- 820
3
votes
1
answer
114
views
How to scroll to the last entry in a LazyColumn so it is displayed at the top and not at the bottom?
I'm building a chat interface in Jetpack Compose using a LazyColumn.
When a user sends a new message I want their latest message to appear at the top, and older messages should scroll up automatically....
- 441
0
votes
1
answer
74
views
How do I forget or reset lazyListState in Jetpack Compose?
I have issue that I cannot resolve - forgetting list state. I have single LazyColumn which has some items and I also have list of categories users can choose from eg. All, Favourite, Subscribed etc.
...
- 76
0
votes
1
answer
66
views
Sticky header stuck in top Jetpack Compose
I wanted to make header sticky header for relevant header. Which is expandable.
data class Section(
val header: String,
val items: List<String>
)
val sections = listOf(
Section(&...
- 41
3
votes
1
answer
134
views
LazyColumn only updates data from Room after scrolling
After navigating to the screen, the data is retrieved through ViewModel and Room, but LazyColumn won't update, only after scrolling.
I'm using a data class to create a list of sections called ...
- 35
2
votes
1
answer
84
views
State being lost when LazyColumn items move between item blocks
It seems like LazyColumn is losing state on rows when moved between different item calls even though they're keyed. It was my understanding that if two items existed with the same key the composable ...
- 6,071
1
vote
1
answer
130
views
LazyColumn + TextField (not in bottomBar) with imePadding: extra padding when soft keyboard is opened
I am struggling around with this extra padding and provided here a small sample code.
What is causing the extra padding added between the text field and the software keyboard (when opened)?
Expected ...
- 109
1
vote
1
answer
95
views
How to change the size of multiple Composable elements at once without triggering recomposition without using animate*AsState?
I'm using Jetpack Compose and have a LazyColumn that displays a list of Card items. When the user performs a onLongClick on one of the cards, a selection mode is triggered:
A selection icon appears on ...
- 111
1
vote
2
answers
88
views
Android how can I fill the remaining space above a specific item in a Jetpack Compose LazyColumn? [duplicate]
I have a LazyColumn in Jetpack Compose and I want one of the items (let’s call it a “highlighted block”) to always sit at the bottom of the visible viewport, even when the list is short. In a regular ...
0
votes
0
answers
34
views
touch-transparent LazyColumn
I want to make a LazyColumn that will overlay the main ui and ignore user's touches so user will interact with main ui. how can I do that? I've tried to make LazyColumn unclickable but it didn't help
...
- 1
0
votes
2
answers
145
views
Can't nest a LazyColumn inside a HorizontalPager
I need to nest a lazycolumn inside a horizontalpager, and I need the lazycolumn to have a verticalScroll(scrollState) to remember the current scroll between screen/orientation changes.
I created this ...
- 38.1k
1
vote
1
answer
77
views
How to avoid lazy column index duplication after item swap
I want to make some item swap mechanism in LazyColumn items. For this I have used itemIndexed but after a swipe, index numbers becomes the same. For example if I swap first item with second the item ...
- 41
0
votes
0
answers
125
views
Video in LazyColumn
I am working on an android application but I am not very familiar with jetpack compose.
I want to display videos as items in a lazy column but some videos don't load and just display a black view or ...
3
votes
1
answer
62
views
Jetpack Compose LazyColumn – Stack Scrolling effect
I’m trying to implement a stack scrolling effect in Jetpack Compose using a LazyColumn. The idea is that the topmost item remains anchored while the items below scroll up and stack on top of it.
...
2
votes
1
answer
361
views
How Can I Call Another Composable within an Item in a Lazy Column with Animation?
I'm still learning compose/kotlin and have come up with a problem that seems very common, but I can't find a solution.
I have a LazyColumn with animation--that works great for making additions and ...
- 11.8k
3
votes
1
answer
78
views
Ensure that clicking one item expands just this item in a LazyVerticalGrid layout
I want to implement a UI in Jetpack Compose where I have a LazyVerticalGrid. When I click on a single grid element, it should expand and display a detailed list of the (initially hidden) sub-items of ...
0
votes
1
answer
319
views
Custom focus on item of lazyrow androidtv jetpack compose
so i have a jetpack compose tv project and on the home screen i have a tvlazycolumn and inside it i have item{} having multiple of these :
if (resultItem.thumbnailType?.name.equals(
...
-1
votes
1
answer
76
views
LazyColumn Recomposed when selected to pass url to AsyncImage
New to Jetpack compose, can someone explain why when i select an item in LazyRow and pass that url to the Image it will recomposed the whole row again? HOw should i be using the movieSelector variable?...
- 1
-1
votes
2
answers
129
views
How to set a drawable object instance as a background of a LazyColumn?
I mean a Drawable generated dynamically, not a file from res/drawable.
I tried setting it as a background of the modifier, but it doesn't accept a Drawable instance object. In Java, it was done like ...
- 38.1k
2
votes
1
answer
112
views
Unable to update the value of Basic Text Field
I was building an app the uses Basic Text Field. When I try to update the value of Basic Text Field, it won't work unless you recompose it.
val textX = remember{ mutableStateOf("Text")}
...
- 86
2
votes
1
answer
568
views
How to fix crash with "Vertically scrollable component was measured with an infinity maximum height constraints"?
When I'm trying to use Lazy elements with my data list application are crashing. This crash has next scenario:
Calling NavHost for screen with Lazy provokes little freez and restart app.
After ...
1
vote
1
answer
104
views
Making Tabs with scrollable content scroll alongside parent composable - IllegalException: Infinity maximum height
I have a composable screen which has some content, then a TabRow, which holds different screens (depending on the selected tab). The tab screens contain scrollable data and this is shown using a ...
- 409
3
votes
1
answer
2k
views
Expand and collapse LazyColumn items with animation in Jetpack Compose
I am using stickyHeader with LazyColumn, and I want to expand and collapse the items under each header when the header is clicked, with smooth animations. I've implemented this behavior using ...
- 2,205
2
votes
2
answers
96
views
How to align specific children in a LazyColumn?
How can I align horizontally a particular children in a LazyColumn? it worked perfectly using Column, but it doesn't work in LazyColumn because I can't import Modifier.align for each particular item ...
- 38.1k
1
vote
1
answer
272
views
Jetpack LazyColumn verticalArrangement Top not grouping sparse items at top of column
I have an app using LazyColumn. On my device, when there are insufficient items to fill the column, it's vertically spacing them equally with large gaps in between, even though I've specified ...
- 1,892
1
vote
0
answers
40
views
I have 2 lazyrows with cards , scrolling first is smooth , but scrolling the 2nd one starts recomposition and hangs the row
Jetpack compose
In my app's homescreen there are 2 lazyrows containing same itemCards and same content , when testing on my phone when i scroll right on the first row its smooth and ok but when i ...
- 11
1
vote
0
answers
183
views
Custom Scroll Behavior for Overlapping. LazyColumn Jetpack Compose
I need to implement custom scrolling behavior involving a LazyColumn on a page. I'll break down the explanation into three stages for clarity. Simplified, it looks like this:
1) Initial Position: The ...
- 13
3
votes
2
answers
483
views
AsyncImage (Coil) Caching not working inside LazyColumn
I am having a composable named ProjectCard. Inside that, I have an AsyncImage composable to retrieve project's icon from Firebase Storage (in case it is supposed to be already uploaded there). In the ...
- 1,204
1
vote
1
answer
105
views
get data from room and IllegalArgumentException: Key "968031" was already used
In my application I get the list of films by api and can add them to the list of favourites which is stored in the database room. So on the screen with the list of favourite films when I try to delete ...
- 11
0
votes
1
answer
459
views
Fill max width in horizontally scrollable lazy column in Jetpack Compose
I want to have a vertical lazy list of items where each item take parent width when horizontal scroll isn't available, otherwise max IntrinsicWidth among all children.
I know roughly how to do this ...
- 26
1
vote
0
answers
77
views
nestedScroll modifier not working as expected in compose
I was trying to achieve a lazy column with custom behavior. When the user pulls the lazy column after they reached the limits, I would show a refresh indicator by using the offset.
The problem is, ...
-1
votes
1
answer
303
views
How to change the SnapshotStateList in Kotlin Compose? But not just visually but internally [closed]
I want to recompose a LazyColumn after I change it's List. I found a solution but it is not working as I expected.
Now the LazyColumn does recompose but on every change the SnapshotStateList use the ...
- 171
6
votes
0
answers
446
views
Lazy Column with Scrollable Gradient background in Jetpack Compose
I'm working on a Jetpack Compose app having a Scaffold layout. My layout includes a title, a tab bar, and a LazyColumn. I want to create a gradient background that scrolls with the LazyColumn content ...
- 381
0
votes
1
answer
40
views
LazyColumn items key not responding to my code in Kotlin
I am making a change in my List in the LazyColumn and added a key to the items property expecting to refresh the LazyColumn with the new List. But the LazyColumn does not refresh.
What do you suggest?
...
- 171
2
votes
0
answers
66
views
How to apply AnimatedVisibility and animateItemPlacement together?
I am using androidx.compose:compose-bom:2024.06.00. The items of a LazyColumn are animated at the launch of the screen:
@Composable
fun SampleList(samples: List<Sample>) {
val state = ...
- 52.7k
0
votes
1
answer
49
views
Avoid verticalArrangement spacing when child item is not added on LazyColumn
Currently, we are developing an app using SDUI. In which, on the parent screen mapper, we are placing Scaffold and LazyColumn. On the child level widget mapper, we are placing the items.
We have ...
- 1,584
-1
votes
1
answer
138
views
Box lose shape while scrolling LazyRow
I have a problem, when i scroll my LazyRow, boxes which going out from it lose their shape. I am using a modifier.clip(RoundedCornerShape(20.dp)) and if item is visible in row it clips, but if not it ...
- 85
0
votes
1
answer
166
views
How to compatible with two different list for LazyColumn/LazyRow?
I have a Custom Composable Calendar, here
I try to add a functionality to switch between month view and week view.
The point of the code is below:
LazyRow {
items(
key = { page -> state....
- 781
0
votes
1
answer
392
views
Jetpack Compose: LazyRow Scroll Percentage?
I am trying to implement a scroll indicator on LazyRow. Ideally it would transition smoothly while scrolling, but I read that it is not possible because we only have access to the ...
0
votes
1
answer
644
views
Two LazyColumn on one screen with common scroll
I need to implement two LazyComuns on one screen, one below the other (by clicking on an element in the top list, it will go to the bottom and vice versa), and the screen should have 1 common scroll, ...
- 467
2
votes
0
answers
100
views
jetpack compose - shared scrollstates with lazyrow and columns
Im able to get my lazyrows on the right to vertically scroll with my lazycolumn on the left. The lazyrow will vertically scroll individually but when i try to get only the multiple lazyrows to scroll ...
1
vote
0
answers
59
views
Android how to control item animation direction? RecyclerView + LazyColumn
i want to know how to achieve list item animation like this (video here)?
in the video, the animation is quite special, generally speaking, if you scroll up the list, the item animation is downwards, ...
1
vote
2
answers
954
views
Display different composable item in Multi type Lazy Column after every 5th Item in Jetpack Compose
I have two lists, number list of length 200 and and alphabet list of length 26. Both lists have different composable items to show them i.e NumberItem() and AlphabetItem().
I want AlphabetItem() to be ...
- 182
0
votes
1
answer
342
views
How do I move a lazy Columns contents up with the keybaord? Compose
So I am trying to make a text messaging app as a learning project. I have the text messages uploaded from firebase and loaded into a lazy column, I also have a textfield that you use to send and type ...
0
votes
1
answer
2k
views
Jetpack compose - load more data or pagination, LazyVerticalStaggeredGrid/LazyColumn disappears
I am implementing a pagination or load more data, whenever LazyVerticalStaggeredGrid/LazyColumn reaches the end/last item. Everything works as expected however, when the data load more function, the ...
1
vote
2
answers
2k
views
Android Jetpack Compose - Saving a LazyListState's firstVisibleItemIndex in one Composable Function for another Function to scroll to
Scenario: I have two similar Composable functions that display similar lists of data via LazyColumns, each having their own rememberLazyListState variables.
@Composable
fun ListA(listData: List<...
- 109
0
votes
0
answers
62
views
Android LazyColumn OutOfMemoryError
Android LazyColumn OutOfMemoryError
To display all font styles in the font folder(res/font) with LazyColumn:
font folder(res/font) has many ttf file.
@Composable
fun TextTtfLearn(){
val context: ...
- 3
1
vote
0
answers
55
views
Application throws an IllegalStateException with LazyColumn, but I have no nested scroll content
When navigating from the Settings screen to the Language screen, which contains one LazyColumn of three rows, it throws this exception:
IllegalStateException: Vertically scrollable component was ...
- 369
1
vote
1
answer
45
views
Kotlin/Compose: Why won't my lazyColumn scroll?
I stuffed it full of things, but can't get to the ones past the screen. Been watching youtube videos, asking chatGpt, etc, and can't figure it out. New to coding; sorry if this is an inefficient ...
- 11
1
vote
1
answer
631
views
Lazy Column's ScrollToItem Does Not Work As Expected
I am trying to scroll my LazyColumn to the last item automatically when the keyboard appears. However, the code below that is suggested in the other StackOverflow discussions works inconsistently as ...
- 777