LazyVStack is a SwiftUI element introduced in SwiftUI 2.
For more information, see the official documentation of LazyVStack.
Questions tagged [lazyvstack]
40 questions
1
vote
4 answers
LazyVStack - row onAppear is called early
I have a LazyVStack, with lots of rows. Code:
struct ContentView: View {
var body: some View {
ScrollView {
LazyVStack {
ForEach(0 ..< 100) { i in
Text("Item: \(i + 1)")
…
George
- 25,988
- 10
- 79
- 133
1
vote
0 answers
SwiftUI LazyVStack child disappears when scrolling
I have a simple LazyVStack with a custom view. I noticed that when it is scrolled under the navigation bar the view disappears prematurely. Is there a good work around of this besides to disable scrolling when it is not needed? I have attached an…
Scott Andrew
- 41
- 1
- 6
1
vote
2 answers
SwiftUI: Index out of range when last element gets removed
I have a checklist made with LazyVStack, I implemented remove functionality for the checklist items, but for some reason the app crashes with "Index out of range" only when I try to remove the last element
Here is my code:
struct ChecklistView: View…
Hussein
- 487
- 6
- 22
1
vote
1 answer
SwiftUI - change Model from nested subviews
I have a LazyVStack presenting Cells.
My main View which has the LazyVStack has a viewModel.
@StateObject private var model = ViewModel()
The Stack presents a list of CustomViews.
LazyVStack {
ForEach(model.items) { item in
…
PoolHallJunkie
- 1,345
- 14
- 33
1
vote
1 answer
How can I get the current index(id) of last visible row in a List or LazyVStack after the user scrolls and reference it after rotation?
I have a LazyVStack in my UI and after device rotation the rows showing are not the same as prior to rotation. Not even close to those rows.
Prior to SwiftUI I was handling this by getting the last visible row in viewWillTransition and then…
alionthego
- 8,508
- 9
- 52
- 125
1
vote
0 answers
Reorder SwiftUI List in Mac App with LazyVStack
Here is a simple macOS demo app that compares using a SwiftUI List and a LazyVStack. I prefer to use a LazyVStack because it's easier to customize the style. But it seems some of the built-in functionality is missing, such as reordering list items…
Clifton Labrum
- 13,053
- 9
- 65
- 128
1
vote
0 answers
Nested ForEach + ScrollView Header causes Glitches
Inside of a Scrollview I use a LazyVStack with a pinned header, and based on the scroll position I manipulate the scale of that header.
In the LazyVStack, I have a ForEach iterating over some list of items. However, if I use a nested ForEach loop…
bze12
- 727
- 8
- 20
1
vote
0 answers
SwiftUI: How Can I delete an Item / Check an Item Off of a to-do List When using a LazyVStack rather than a List?
enter image description here
Let me begin by saying that I am quite new to programming, I have little to no experience. I need to make a to-do list for a school project and really need help.
I am trying to make a to-do list with a more aesthetic…
William March-Kramer
- 33
- 2
1
vote
2 answers
LazyVStack scrolling stops animations
This code lists 100 rows with refresh icon animations. When using a LazyVStack instead of a VStack, after scrolling down to the bottom of this list all the animations stop, including those at the top of the list once you scroll back. No such…
andrewz
- 4,729
- 5
- 49
- 67
0
votes
2 answers
Swift UI LazyVStack with nested VStack
I'm experiencing this issue and not user if it's a swift ui bug or expected behaviour. Could not find something related to this online.
Given this view
struct ContentView: View {
var body: some View {
ScrollView(.vertical) {
LazyVStack…
Daniel
- 1,225
- 2
- 15
- 31
0
votes
0 answers
fullScreenCover is being dismissed when rotating view
I have a manga series detail view that displays the series information and all of the chapters. Each chapter you can tap on to read and it will present the reader with a fullScreenCover. When rotating the reader to any orientation it dismisses back…
0
votes
1 answer
Image in LazyVStack using massive memory
I make a simple app for displaying image list.
I use a LazyVStack inside ScrollView as container, ForEach to load every image
Images are loading from network, I have tried AsyncImage, but AsyncImage always loads image from network and no cache.
I…
yww
- 21
- 3
0
votes
0 answers
LazyVstack inside TabView
LazyVstack insde TabView wrapped on scrollView not working (performance issue)
var body: some View {
ScrollView {
Text("hello, world!")
TabView(selection: $tab) {
p1().tag(0)
P2().tag(1)
}
…
Adel Radwan
- 1
- 1
0
votes
0 answers
Bug with LazyVStack in SwiftUI
I have code with SwiftUI, but when I use LazyVStack to optimize performance, my app has a bug, is when I scroll to bottom, and load more data, LazyVStack will don't continue generate View to Screen: example video :…
Phương Nam Joker
- 13
- 3
0
votes
1 answer
How do I align multiple columns in a LazyVStack?
I am trying to make a grid which has multiple columns using a lazyvstack. I want the items to align perfectly, regardless of its length.
This is what I want:
However, with my code down below, I am getting this:
.
let events = [["1234567890",…
Gura
- 5
- 2