Swiftui scrollview height not working. height of ScrollView, don't understand the issue, sorry.

Swiftui scrollview height not working Dec 21, 2023 · So when the flag changes, SwiftUI rerenders and knows that any differences in the UI caused by this change, need to be animated. It works when using LazyHStack, but the positioning is not correctly aligned (check video). (This will change depending on the style. Thanks! Mar 15, 2020 · I want to make my List inside a ScrollView so that I can scroll List rows and headers together. So it has no impact on view-aligned scroll-target Feb 22, 2024 · I want to render the items of an array of type [Item] (saved locally) as a scrollable view in SwiftUI, using Text (or rather some custom ItemView, but Text runs into the same problem) to display the individual items, sorted by item. Jul 20, 2021 · My goal is to create a chat view in SwiftUI. Since WKWebView is basically (though not a subclass of) a UIScrollView the system does not know how to size it when contained within another scrolling view. Seems like . defaultScrollAnchor is only relevant for the initial show and when the content changes size. Like I mentioned in my question, I've tried using GeometryReader already. matchGeometryEffect not working smoothly. When selecting the 3rd item, the positioning is not aligned. For example: Do not give fix height to scroll view and always give top of first subview to scrollview and bottom of last subview to scrollview. I'm not sure where you're going with this. No need to give contentSize to the scrollview. So when you set an infinite height on object inside the scrollview it takes only the space that the content really needs. We utilize a ForEach loop to present 50 color items, which are then embedded within a vertical scroll view. frame(height: 56) Result: did not work i can still drag vertically and the refresh indicator still comes out. But the height of the toolbar can (and will) change dynamically. height of ScrollView, don't understand the issue, sorry. The trick is to have two different empty views at the bottom of the scroll content, and then intermittently scroll to the bottom of each of them. vertical ScrollView. I'm having issues with only some of the boxes responding to the tap gesture. This workaround does not give the scroll position, but solves the use case where you want to scroll to the top if not at the top. So all in all: Group { VStack { /* content */ }. You have tried to compensate for the reduced height by shifting all the elements using y-offset, but this doesn't really work. I've added the . all) ScrollView(showsIndicators: false) { Nov 28, 2019 · This does not seem to work 100% if you have state data displayed in the scroll view, and you changed that state data in the onChange closure, right before the call to scrollTo(). This is probably not a very reliable way to get a consistent layout across different sizes of display. I'm pretty lost here as to how to properly do this. When the onLongPressGesture function is active, I cannot scroll through Rectangle. struct ContentView: View { var body: some View { // REMOVING ScrollView makes TapGesture WORK WorksGridView() } } struct WorksGridView: View { private var items = 5 var body: some View { GeometryReader { geometry in ScrollView{ VStack(spacing: 0) { ForEach(0. Now you can declare that you have a . A screenshot of how the view looks: Is there a solution apart from applying . After extensive debugging, I've determined that if you have views within the ScrollView that do not have a fixed height, it will stutter when you scroll to the top of the view. id(3) Jun 27, 2021 · The ScrollView gives that VStack infinite possible height. This makes the ScrollView behave like it should, like any normal View protocol. You can find out how big the view is by putting a GeometryReader in an . It will work for small as well as large size iPhone. I just can't scroll around on the magnified im Sep 17, 2024 · ScrollView(. Jan 28, 2024 · A ScrollView makes the Text readable again, but then Spacers don't work anymore, and everything is left aligned: I can use GeometryReader to set HStack minWidth and solve the issue above. But I found that List inside ScrollView isn't working. infinity) on the VStack but nothing seems to work properly. But when I wrap the view into a ScrollView (by uncommenting the 2 lines) it does not animate anymore? Anybody a Sep 1, 2024 · UPD: what I found out, the scrollview is not updating its height or something like that, hence the RadioButtonGroup just don't fit and not displayed Thanks a lot for everyone reading this! You are amazing Jul 14, 2022 · Also it seems the stickyness is not working when scrolling a bit up (before changing to the inline navigationbar view). Son's answer works for the same reason, but uses a very different approach. Jan 30, 2023 · That’s because, as discussed earlier, a scroll view’s content offset is essentially just the distance that the container has been moved relative to the scroll view’s bounds. This is always the case: whether the content size is smaller or bigger than the ScrollView size. It scrolls but view is empty. This the screenshot below, I'm not able to add video of the view but I am sharing Nov 11, 2019 · For the case of static content inside ScrollView it can be used solution from SwiftUI: Make ScrollView scrollable only if it exceeds the height of the screen. e. onTapGesture does not work with a custom view. edgesIgnoringSafeArea(. As I found out there is not an official solution from apple to provide a pull to refresh view, especially for ScrollView. For example, setting anchor to top aligns the top of the identified view to the top of the scroll view. If more than 1 people are using this feature in my app, their training target lists are put next to each other in a scroll view. Jan 9, 2022 · After scrolling to the bottom it is working again. This is not what I need though. The strange part is here. I think the scrollview width is not filling the screen. Ask Question It did not work. It seems to me, the . 8 will place the 80% mark of your item, to the 80% mark of the screen height, a y of 0. body @ May 20, 2020 · So far, so good, however, the flipping of the scrollview produces at lot of UI glitches when the content fits on the screen without the flip. – Apr 20, 2021 · I'm trying to create a scroll view with my custom view, but when I add scroll to view it's not working as expected, without scroll view working fine. asyncAfter does work as a workaround but it isn't smoothly transitioning the animation (i. It sounds like you are trying to adjust the height of the scrollview and its parent sheet such that as you add tags it grows? Jun 21, 2024 · SwiftUI’s onScrollGeometryChange() modifier lets us be notified when a scroll view changes its content size (how much content it has), content offset (how far the user has scrolled), and more. May 20, 2020 · What I'm trying to do, is get the content height of the scroll view, and only execute the flip if the content height > screen height. What I'm trying to do, is get the content height of the scroll view, and only execute the flip if the content height > screen height. 5 will place the center of your item to the center of the screen, etc (at least that's my current Jul 26, 2023 · I can get around this by setting . disabled modifier. Scroll View does not display components. I also tried to use a List and it works just fine. Oct 6, 2023 · You could try this approach, using a TabView with a second @State var imgIndex for the array of pictures, and . But if you really want to do it this way, you could apply padding to the ScrollView based on the excess height. getOffset()) This duplicates the scrollview's content and offsets it to the right. contentShape doesn't work. The GeometryReader should contain an (image) with a fixed width and height. scrollView. GeometryReaders inside a ScrollView seem to be very sketchy and not reliable. Jun 23, 2021 · I've got a couple of simple Swift UI screens all running of a structure. Isn't the List View just the Form inside a ScrollView?! This doesn't work either. Oct 28, 2020 · The ScrollView should work normally, so swiping up/down should not interfere with the gestures. The following snippet of code (with minimumDistance: 20. onTapGesture and it didn't work also. SwiftUI ScrollView content height. It is not applicable for active content, because based on . main. Nov 26, 2023 · I want to put a tabView inside a scroll View but when I do so the content of the tabview does not show up even though it is there. Jan 8, 2021 · I am trying to implement a ScrollView with custom &quot;items&quot;, but for some reason each item is rendering stacked up on top of each other. I think ASCollectionView is the one that causes the most problems at the moment. Besides, GeometryReader is a SwiftUI block to read the dimensions from outer block, rather than getting dimensions from its children. I can scroll through the space between two Rectangles. Nov 28, 2022 · I have a scrollview with a few subviews, and I wanted each of these subviews to have a certain frame height relative to UI screen height. The API is a little tricky to understand, so I'll show you an example then explain. I also tried removing . It would be great if there would be a "tap indicator", so the user knows that the tap has been registered (What makes this difficult is that the tap indicator should be triggered on touch down , not on touch up Jan 17, 2020 · Although you haven't stated so, the most likely reason for your Webview not taking up any space is that you have placed these items in a ScrollView. However, this causes the content of GeometryReader to shrink to the wrong height when used within a (vertical) ScrollView, causing overlapping. content . Views inside a ScrollView are shown at their ideal size and the ideal size of a Spacer is very small (10 points). containerRelativeFrame on the HStack, after the padding: Feb 12, 2022 · After following ChrisR's answer, I decided I wanted to add a gesture to allow swiping to dismiss. items) { index in GridInventoryItem Nov 29, 2020 · Here is a demo of possible approach - use publisher with changed scrolled content coordinates with debounce, so event reported only after coordinates stopped changing. frame(height: 0. Jun 5, 2019 · This value is the ratio of both the item and, at the same time, the screen height (or the ScrollView's height? not really sure tbh), meaning that, a y of 0. Jul 14, 2020 · I'm trying to zoom and pan on an Image in SwiftUI for a Catalyst app. My minimum target version is iOS 16. First row: Before iOS 17, the container and subviews lacked explicit width assignments, resulting in a cluttered UI. Nov 30, 2021 · I am developing an application with swiftui. May 28, 2020 · SwiftUI - ScrollView not scrolling all the way to the bottom. Maybe they will fix it or already did. isScrollEnabled = true and . overlay of the VStack, because by the time the overlay is created, the size of the VStack will have been established and that size will be offered to the overlay. I May 22, 2022 · So simply targeting iOS 15 is not an option. GeometryReader reads the size offered to the view, not the size of the view. I use this to trigger a scroll to the top of not at the top and navigate back if at the top. If I adjust the frame height manually (here e. If I place the Form OR List inside a ScrollView, the contents of the list aren't displayed anymore. id. SwiftUI set max height on ScrollView. One very long and one very short. I recommend you to use a the screen height on your TabView like this :. They propagate events properly, and keep on working even if you are inside a ScrollView or a List. I have a simple animation which works perfectly. . If you add this code to a SwiftUI project, you should be able to preview it and see something similar to the figure below. 4. The Fix: Give the VStack a minimumHeight that’s the height of the ScrollView or View; Also important to set the scrollview's width to be the view's width; GeometryReader { geometry in ScrollView(showsIndicators: false) { VStack { Jun 19, 2020 · Great, easy to use solution! I wrapped the VStack in a Group and applied the modifier there, because my VStack had padding, that I wanted to be inside the ScrollView and not applied to the ScrollView itself. Sep 16, 2019 · ScrollView does not propose the same height to its children (VStack in this case) as it was proposed to it. Sep 14, 2019 · Using the Introspect library (which I would recommend for anyone looking for UIKit level controls for SwiftUI APIs - whilst we wait for SwiftUI 2 at WWDC 2020) - you can access the underlying isScollEnabled boolean flag of the underlying UIScrollView that powers SwiftUI's ScrollView and set is accordingly. Unfortunately, that doesn't work with a ScrollView: you can't scroll it anymore! So I did some research and I found out that there has to be a TapGesture before the LongPressGesture so ScrollView works properly. I have found Button to be magical creatures. Jul 29, 2024 · In iOS17, the SwiftUI ScrollView component received a number of powerful features. page(indexDisplayMode: . There is no PanGesture, but ScrollView seems to work well on both iPad and Mac. I'm trying to make a horizontal list where each Feb 29, 2020 · I having problems with getting my scroll view to scroll all the way to the bottom. Here's what I did: I added a ScrollViewReader to my ScrollView Nov 1, 2023 · I want all the elements in my ScrollView to match the height of the biggest element, but I can't come up with a way of doing it, because we need all the elements to have been rendered in order to find out the height of the biggest one, but once they have been rendered, I can't change the height of the elements. frame from ScrollView but it does not change the Actually you don't need GeometryReader anymore. Wrapping the view in GeometryReader hasn't made any difference either. Jul 5, 2023 · The code is quite straightforward if you are familiar with implementing a scroll view in SwiftUI. May 4, 2024 · When working with SwiftUI, one common issue that developers encounter is getting a ScrollView to take up the entire width and height of the device. Dec 27, 2023 · It does not work at all when using a HStack within the CustomPagingSlider (see comment). To fix, set . I will not be marking this as the correct answer since the original question does not include a lazyhstack. horizontal or . TextStyle. I want my app to automatically scroll to the currently active user. –––– Wrap the ScrollView inside a GeometryReader so that you can set the minimum height (or width if the scroll view is horizontal) of the scrollable content to match the height of the ScrollView. Oct 26, 2019 · Just can't get my head around this. bounds. Here is an implementation in SwiftUI. ScrollView has been refactored in Xcode beta 3. May 5, 2024 · SwiftUI scrollviews will automatically set the content frame based on the subviews intrinsic height. I'd like to be able to get the height of the toolbar and set that as the padding of the contents of the ScrollView so that the contents isn't overlapped when it scrolls to the bottom. Create a custom UIScrollView in a Swift file with this code: Feb 9, 2022 · In a giant ScrollView, I want to place Circles, and scroll to them so that, when scrolled, they end up in the middle of the screen, one after another. Jan 30, 2023 · It's super hacky, but seems to work really well for me. keyboard) is not working and my view is being pushed up when the keyboard is presented. To keep the offset consistant add the height of the nav bar to the offset if it's hidden. Dec 19, 2022 · Thanks for taking the time to answer! I think the reason why the ScrollView in your code does scroll smoothly, is that you have added a fixed size to Item, so all items have the same height again. contentSize = CGSize. Mar 8, 2021 · Add a LazyHStack to a horizontal ScrollView or a LazyVStack to a vertical ScrollView; Add enough content such that the content size of the scroll view exceeds its bounds; Scenario 1 - Pull the scrollview beyond the bounds (as if you were pulling to refresh) Expected behavior: It behaves as expected where the scrollview stays under your finger Jun 26, 2020 · I tried to get this working without GeometryReader as that has terrible performance. my code is below. Example Jun 2, 2020 · Note 1: Assume that the height of the navigation title is 50. Mar 28, 2022 · You can definitely do this with ScrollView and ScrollViewReader. Jul 13, 2020 · I have tried several solutions like using geometryReader or putting . This will make it so that the dimensions of the scrollable area are never smaller than the dimensions of the ScrollView . id(2) Text("") . So my scroll content ends with: Text("") . Dec 16, 2022 · Everything in this view works fine except that my scrollview does not scroll to bottom and bounces back towards up. However, if you try to use fixedSize() to force it to adopt the ideal size, it doesn't work when the height is greater than the screen height. Items should be able to have any height. Unfortunately, using simply the GeometryReader isn't working, since it returns a value of 10 no matter what content is inside the ScrollView. Tapping an entry should run some code. I should use both of them. po Feb 16, 2020 · 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 21, 2024 · As Benzy Neez said in the comments, you can use ViewThatFits if you are on iOS 16+. So let’s go ahead and implement our custom scroll view, which we’ll name OffsetObservingScrollView (spelling out ContentOffset does feel a bit too verbose in this Jun 9, 2019 · I have a scrollview which content is a VStack containing a ForEach loop to create some Rows instead of a list. Can we fix this somehow? May 28, 2020 · I want to determine the height of the content inside my (vertical) ScrollView. 4, but not Dec 5, 2020 · Because duration doesn't seem to work with withAnimation yet, I had to be a bit hacky to get the animation effect I wanted. However when doing this, the ScrollView pushes the view "above" the screen, it seems like it's applying some random vertical offset. offset(x: self. tabViewStyle(. <self. The structure defines a widget's view, its name, and the order it goes in. 5. Jun 23, 2020 · I had the same problem sometime ago, and I found this code in GitHub: Scrollable SwiftUI Wrapper. This is simply another approach to the original 1 day ago · Within a Scrollview, i am trying to have a pinned SectionHeader with a simple segmented PickerView, that can switch to two different item Stacks. Not really sure where to go from here. scrollOnOverflow() – Apr 5, 2019 · I am using a UIScrollView inside my root layout and I am trying to make its children inside scroll but for some reason it is not working. Like you can see below, on the beginning of the gif I'm scrolling witg gesture (working), then I tap (not working anymore). This requires creating a ScrollView with content of varying heights . view. The advantage of this technique (compared to Toto Minai's answer) is that it does not need to allocate extra memory when scrolling up or down (And you will not run out of memory when you scroll too far 😉). horizontal, showsIndicators: false) { HStack(spacing: 0) { ForEach(someCollection) { collection in CollectionButton(collectionType: collection) } } . It's like a flexible container that expands or contracts to fit the text. I can position the Circles either by using . I know you can do this with GeometryReader, but the moment I put GeometryReader inside ScrollView, it fails to read screen height. Code: struct TextviewWithScrollview: View { @State private var textStyle = UIFont. To align your content Dec 9, 2023 · In above example, a list view has 3 scroll view rows. the last message is often partially covered as the keyboard is presenting, but ends up snapping to the right place once the keyboard has fully presented). id() to the VStacks? Is there an explanation, why it does not work? (Xcode 15. frame(height: UIScreen. padding(. Nothing changes when I press the button. I was surprised that ScrollView delivers a useful ideal size, it doesn't just grab all the space available. What's odd is that when it's populated with one set of data, it doesn't have this issue, however, in the other dat May 4, 2020 · The issue with your second approach, is that you are wrapping your infinite-height VStack in a GeometryReader, which is not necessarily has an infinite height. As soon as it does become sticky, the problems start: Nov 17, 2020 · I'm trying to make this Profile Button to work inside a ScrollView, that when tapped, a modal view should come up. Oct 6, 2020 · ScrollView Not Visible swiftui. TabView Inside scroll view does Sep 30, 2020 · You need to use a fixed height like the screen height because the scrollview has infinite height. enter link description here Sep 4, 2024 · The Spacer is not working, because it is inside a ScrollView. Second row: The modifier Aug 13, 2022 · I am building a section of my app that allows users to train their skills in a sport by aiming for targets. A List has some downsides like the dividers. Fill height in scrollView in swiftUI. bottom, 100) on the contents of the ScrollView. width, height: 2000) but they both don't work Apr 29, 2021 · I am trying to manage scrollview height according to textview content height with other view. It fails after trying a few times May 29, 2021 · The problem is here:. struct ContentView: View { var body Mar 6, 2020 · The main problem is that the center of your content view (=VStack with Text element) is aligned with the center of the ScrollView. This approach works and shows the tap indication. The paging offset of the ScrollView is incorrect (page views are not aligned). Aug 21, 2024 · Easier to test in landscape mode, preview is enough. In previous versions of SwiftUI, it seems that ScrollView always had a lower threshold than the default value for DragGesture. Mar 21, 2022 · var body: some View { NavigationView { ZStack { Color(UIColor. 1. Of course I want to have it automatically. The issue is that when its used within a ScrollView things start to not work so great since the ScrollView's sizing is based on its content and GeometryReader is looking to the ScrollView for its frame which basically causes everything in that view to collapse in on itself. This article will explore the reasons behind this issue and provide solutions to help you create a ScrollView that fills the entire screen. ScrollView is not working correctly with GeometryReader. That's the case indeed but then my LongPressGesture doesn't work anymore. One of which is the ability to track and programmatically control the currently focused element inside of a Oct 27, 2022 · For some reason ignoresSafeArea(. Oct 10, 2020 · ScrollView does not have own available space, ScrollView is not working correctly with GeometryReader. Perhaps these examples helps to find the underlying problem, which I can’t figure out: when removing the most inner VStack it is working the first time. Upon search I found possible solutions to set - scrollView. I guess adding a small delay before the scrollTo() call could fixed it. May 29, 2024 · A dynamic-height scrollable Text view is a powerful tool that automatically adjusts its height based on the text content. As if Nov 13, 2019 · Goal Get data to display in a scrollView Expected Result Actual Result Alternative use List, but it is not flexible (can't remove separators, can't have multiple columns) Code struct Object: Aug 28, 2019 · I finally found a solution that seems to work with me. 0) seems to work for my use case. Similarly, setting anchor to bottom aligns the bottom of the identified view to the bottom of the scroll view, and so on. The solution is to make its direct child respond with the minimum height which was proposed to ScrollView itself. It shows nothing. As a result, what you are tapping is the duplicated content, which probably affects the tap gesture. When I check the view hierarchy, only the screen is moved and the actual components are stay in the appropriate position. This is not possible with TabView, so I remade the whole thing with a LazyHstack instead. Jun 17, 2021 · But at least from my experience, it does not work this way. frame(maxHeight: . After zooming, when I say scroll to the corner with the ScrollViewReader, it goes out of the screen. refreshable modifier to the ScrollView which contains a call to reload my data. init(width: self. My Issue is that the Row is not filling the scrollview. 2. Move the ScrollView inside of the Geometry Reader and it works: Tested on iOS 13. Sometimes it's work for the last circles but not the first ones. Users can see their targets in a list. The array has around 50,000 items, and about 10 items are onscreen at any given time. If anchor is non-nil, it defines the points in the identified view and the scroll view to align. By this way scroll view will automatically grow as per the size of contained subviews. 4) Feb 8, 2024 · SwiftUI . Nov 25, 2024 · Thanks for the reply Muhammad! The DispatchQueue. never)) to make sure the dots do not show. But I think there is a Dec 9, 2023 · EDIT The answer from sweeper got me thinking. g. This seems logical, because the list is a LazyVStack rendering without a height, as it doesn't know its final height. Nov 24, 2023 · It seems that you were using a GeometryReader to define the position of the views based on a fraction of the total display height. systemGroupedBackground). When putting a text for example over the adding button and giving a high enough height of frame it is also working the first time Sep 19, 2024 · So, it is likely that ScrollView in SwiftUI 6/Xcode 16 has a similar threshold for detecting "scrolling". That's why the spacers not working. Feb 13, 2021 · When I press and hold on the Rectangle, I play a video. height) Aug 21, 2023 · When you scale the circle at the top, the space it uses in the layout does not get scaled automatically. 200 - see picture), then everything is visible. 4, and Jan 7, 2024 · I am trying to find a way to implement paginated infinite scrolling for a ScrollView containing a VStack from a Core Data fetch request. Ask Question Asked 11 months ago. ScrollView { //My Content } Is this possible? I've tried a few things but nothing seems to work. Nov 17, 2019 · I currently have the problem that my scroll view does not automatically adjust to the height of the content. Nov 21, 2019 · Im trying to create a ScrollView that in turn contains a GeometryReader (Explicitly not the other way around). Write the content you want to display as the first view in ViewThatFits, then write the same thing but wrapped in a ScrollView, as the second view. Mar 24, 2022 · I am trying to change the color of a button when it gets selected. Meaning SwiftUI always knows about it and about the animation that is defined on it. Feb 2, 2024 · I've got a ScrollView containing a TabView for my iOS app. – Guy Nir. Why do you need vertical scroll view then? This can be achieved by using GeometryReader. padding() }. Re. 0. The idea is to set minHeight of your root view: var body: some View { GeometryReader { proxy in. It just asks for minimal size. However, I see a couple of things that could cause problems in your code sample: You use the same id "someID3" twice. Here is the method which returns a ScollView contain Apr 12, 2021 · Thanks for the reply. Nov 24, 2023 · Use this modifier to specify an anchor to control both which part of the scroll view’s content should be visible initially and how the scroll view handles content size changes. frame(height: 50) } . ScrollView { The initial height of the ScrollView is too high (dragging the view (even without changing the page) adjusts the size). When activating the "Use VStack" toggle and tapping on the buttons, the scrollTo is not causing a scroll. In his answer, SwiftUI always shows the Rectangle. Sep 4, 2024 · I'm creating a view that displays a list of objects which all contain a box which is clickable. I tried to use Buttons instead of . Jul 16, 2021 · Although that video is from before the SwiftUI era, you can easily implement it in SwiftUI. . Aug 21, 2023 · The start position of scroll Indicator is also moving down, but not the entire scrollview height is decreased, so scrolling up is available. The solution below seems to work on iOS 17 and 16. But for some reason, when I add some offset to the Button, to make it inline with Mar 1, 2024 · But on tap it's not working, scrollTo method don't keep the center of the circles, I tried many anchors but can't make it work for all circles. ) When the nav bar dissapears, scroll offset drops by that height instantly. 0) . (Remember: The ScrollView size corresponds to the screen size, minus safe area edge insets). This works fine, as long as the SectionHeader is not sticky. Keep in mind that the app hosts screens that need to display large lists to the user. zdagl lsen akn huxucvl xwbxgxw qhvhi sesw oslitdf zokzzo xvy