Swiftui screen width. bounds, GeometryReader, and PreferenceKey to detect and track screen sizes with SwiftUI Oct 18, 2021 · A SwiftUI view that has content, such as Text and Button, usually take the smallest space possible to wrap their content. g. struct ContentView: View { var data = ["View", "V", "View Long"] var body: some View { VStack { // This will be as small as possible to fit the data HStack { ForEach(data, id: \. infinity) . frame() to adjust the size, but that just made it have extra padding around it. bounds), but I can't find a way to access the size of the safe area. 88. On the right-hand side of Xcode, you’ll see a live preview of that code running – if you make a change to the code on the left, it will appear in the preview straight away. width and UIScreen. May 4, 2023 · In SwiftUI, you can create a flexible button that spans the entire width of the screen by using a frame modifier inside the button. Because the image renders at full size, and the blue frame is smaller than the original image, the image displays beyond the area bounded by the frame. Jun 5, 2019 · Image full screen width in SwiftUI. height' The initial font size can also be set to 'g. frame(width: 100, height: 100) Star ()} Both the overlay modifier and the implicit ZStack composed from the overlay content — the circle and the star — use a default center alignment. let screenWidth = screenSize. frame(minWidth: 0, maxWidth: . If you only specify one of the dimensions, the resulting view assumes this view’s sizing behavior in the other dimension. Yeah, if there’s a big change for the ipad app rather check which device you’re on than calculating from screen size. 4. 0, contentMode: . Sheets slide in from the bottom of the screen, which is why they are often referred to as bottom sheets. Several built-in views change their behavior based on the size class. background(Color. SwiftUI: How can I get the width of a device? 22. But there is a time that we want these views to fill its container width or height. SwiftUI chooses a default amount of padding that’s appropriate for the platform and the presentation Nov 17, 2022 · You can use a GeometryReader and PreferenceKey to read the size and then write it to a state variable. I have found that for some devices, such as the iPhone 13 mini, the screen size returned from UIScreen. Similarly, the button’s height will vary between 40 and 80 points, ideally being 60 points. Omit both to add a default padding all the way around a view. answered Apr 22, 2022 at 14:32. overlay {Circle (). size. Design With Padding. Useful for determine a views constraints based on screen width and height. 286 How to resize Image with SwiftUI? Oct 10, 2023 · By setting . If the image is larger than the device screen, it will go beyond it. Nov 23, 2023 · So the image is resized without keeping aspect ratio. The label size determines the Create a new Xcode project that uses SwiftUI. Jul 19, 2019 · I am trying to create 2 buttons that are equal width, positioned one above the other, vertically. Dec 15, 2022 · If you created project from template for macOS SwiftUI based, then all changes you need to do is in AppDelegate. On the other hand, using a GeometryReader will subdivide the space correctly: Use this method to specify a fixed size for a view’s width, height, or both. Update SwiftUI View size to match image. mainWindowSize) var mainWindowSize. Use a screen object only as needed to retrieve screen-related information, such as the screen’s bounds rectangle, brightness, and overscan settings. If you omit the length, SwiftUI uses a default amount of padding. How to set width and height of an image in SwiftUI? 0. SwiftUI: How can I get the width of a device? 2. com Sep 1, 2024 · Dynamic Layout: The width of the profile photo and the “Follow” button adjusts based on the screen width. 0 / 9. Thibault Farnier. It's easy to get the bounds of the screen (UIScreen. SwiftUI has newer features to set the size of the sheet. fill) But it still doesn't work as it doesn't crop. Calculate number of items per row based on their width in SwiftUI. SwiftUI Playgrounds code: Jul 15, 2019 · This will also work for multi-line text to fit the height of its parent. I have found that this could be determined in Objective-C by doing Aug 20, 2019 · How to get the iPhone's screen width in SwiftUI? 8. so in your example, each "scene" or "instance' that you wish needs to be set to 480x300, and the best place IMHO is I would like to use Swift code to properly position items in my app for no matter what the screen size is. Jun 13, 2022 · Hide keyboard when scrolling in SwiftUI with scrollDismissesKeyboard 21 Jul 2022; Responsive layout in SwiftUI with ViewThatFit 11 Aug 2022; First impressions of SwiftUI in WWDC22 07 Jun 2022; Custom Layout in SwiftUI 18 Aug 2022; SF Font Expanded, Condensed, and Compressed: Three New font width styles in iOS 16 08 Sep 2022 Instead, fetch the screen object for one of your app’s windows from the UIWindow Scene object that manages the window. Once you have the screen bounds, you can easily get the screen width and height by accessing the width and height properties of the bounds rectangle. If you omit the edges, SwiftUI applies the padding to all edges. Modified 4 years, 11 months ago. I use the screen size for some SwiftUI view layouts to adapt to various screen sizes. Discussion. This technique enables you to create a button that automatically adapts to different screen sizes and orientations, ensuring a consistent user experience across various devices. For example, a Navigation View presents a multicolumn view when the horizontal size class is User Interface Size Class. Jun 13, 2019 · SwiftUI get Screen size in multiplatform. Does anyone know how to use a certain width for the sheet size? – Nov 22, 2019 · SwiftUI Standard way. They cover the main content. It should look like this: I have placed 2 Buttons inside a VStack which automatically expands to the width of the larger button. frame(maxWidth: . For example, if I want a button to be 75% of the screen wide, I could do something like (screenWidth * . resizable() . To preview and interact with views from the canvas in Xcode, and to use all the latest features described throughout the tutorials, ensure your Mac is running macOS Sonoma or later. Then I remembered there is an old solution when we used UIKit to develop an iOS app and it works in SwiftUI also. Use UIScreen. infinity for the maxWidth parameter can be used to achieve this, without the need for an additional Shape View. Viewed 33k times 38 I added an image to my body in a Feb 26, 2024 · Step 2: Get Screen Width and Height. height to get device height. a banner to promote a feature). width to get the device width and UIScreen. Ask Question Asked 5 years, 3 months ago. the iPhone SE (go to Product > Destination > iPhone SE (3rd Generation)) – that has a much smaller screen, and now you should see the photo credit area is now running off the right edge of the screen. blue. Apr 11, 2024 · However, if I change to a small device – e. Note that the code snippets below all result in the same display, but do not guarantee the effective frame of the VStack nor the number of View elements that might appear while debugging the view hierarchy. infinity. See full list on programmingwithswift. 0 SwiftUI - Image not filling container. Let's learn a SwiftUI way to do that. But you can use anything you can think of. Just remove the line limit and change the last frame to 'height: g. Use a single shape or a composition of multiple shapes to create a background, border, or other visual element. In order to achieve this task, you can use the GeometryReader view. swift. A parent view proposes a size for its child. I usually use padding and frame to control the size of a button. You can also adjust the appearance of custom views by reading the size class and conditioning your views. You can omit either or both of the parameters. Commented Jun 7, 2019 at 7:27. I'd guess that you nowadays need to consider the entire screen a "canvas" for a single instance of your app. scaledToFill() . VStack VStack is a layout container in SwiftUI that arranges views vertically in a top-to-bottom Oct 31, 2023 · That is, rather than hard-coding a width of 300, what you really want to say is “make this image fill 80% of the width of the screen. Let me show you an example: Sep 4, 2023 · After this negotiation phase, SwiftUI will determine the on-screen position and size for each view. 4 days ago · Make a VStack fill the width of the screen in SwiftUI. But as you see, you are giving up control to SwiftUI. 3. 75) to be the width of the button. fit) Jan 13, 2022 · I am trying to create 2 buttons of equal size, but the size is determined by the text inside the button. Jun 16, 2023 · Updated for Xcode 16. Possible duplicate of Make a VStack fill the width of the screen in SwiftUI – Jake. preferredContentSize = CGSize(width: 400, height: vc. Mar 27, 2020 · How to get the iPhone's screen width in SwiftUI? 13. In the SwiftUI view, you can run the following code UIScreen. The following example shows three different shapes. 4 In this SwiftUI tutorial, we’ll be learning how to create a half-screen sheet in SwiftUI. It’s quite easy to implement the sheet (Also called as Modal) in SwiftUI all we have to do is call the sheet method of SwiftUI and it will present the sheet to the current controller. In my example, I store the entire size, but you could adjust it to store just the height, since it's likely that that is the only parameter you need. Nov 16, 2019 · The frame layout modifier, with . New in iOS 17. the code for getting screen width and height is similar to UIKit and SwiftUI. view. width let screenHeight = screenSize. How to get the iPhone's screen width in SwiftUI? 16. infinity), using Spacer() around the button and navigationlink, using frame on the Text field and padding on the button, look through the documentation, as well as a few other things I found while just searching online. bounds differs from the preview device and the simulator. As seen in the following screenshot, the image data loads at full size into the view, so only the clouds from the upper left of the original image are visible. Background. If I add scaledToFill() after resizable() it goes beyond the bottom of screen: Then I thought about using the space provided by geometry reader, like adding the following:. Customize the SwiftUI Form label layout for Sep 5, 2022 · How to make a SwiftUI view to fill its container width and height 18 Oct 2021; How to change Background color of Rounded Corner Border Button in SwiftUI 18 Jan 2023; How to change Background Color of Button in SwiftUI 29 Dec 2022; How to change SwiftUI Button Size 22 Dec 2022; Create Button with Image in SwiftUI 05 Apr 2023 Apr 2, 2020 · I tried setting a custom width inside show() like this and nothing changed: vc. SwiftUI Get object to respond to size of another object. How to get Height and Width of View or Screen in SwiftUI. Another approach to control the size of a button is to use Jul 28, 2019 · Here is an example of proportional width in SwiftUI. If you want more control over the size you have to do it in a button label. I think it’s fine to do it by screen size as well though (I think youtube has it implemented like that, passing the screen size information on to the ‘webapp’ you actually see). In this blog post, we’ll explore how to create a half-screen sheet in SwiftUI using the . Explore the canvas, previews, and the SwiftUI template code. In iOS you now want SceneDelegate for most everything, since for iPads you finally have multi-threading. Add a comment | Jul 20, 2023 · This code creates a button that has a minimum width of 100 points, an ideal width of 200 points, and can expand to take up all available width due to maxWidth: . medium option. Here is my code: Oct 24, 2020 · Sometimes you need to know the device size upfront. 2. presentationDetent s modifier with the . aspectRatio(16. How to figure out the width of a string dynamically in SwiftUI. Nov 28, 2022 · This taken from Paul's Pro SwiftUI book (Which is on offer until 4 Dec) “At the core of SwiftUI is its three-step layout process: 1 . In this article, you will see different examples of VStack with full width. Color. infinity, maxHeight: . Dec 22, 2022 · Using controlSize is a quick and easy way to control the size of a button. Jun 15, 2022 · WWDC’22 introduced many amazing additions to SwiftUI, of which many will render many 3rd party libraries obsolete. SwiftUI’s containerRelativeFrame() is a simple but powerful way to make views have a size relative to their container, which might be their whole window, the scroll view they are inside, or even just one column in your layout. frame(width: geometry. Jul 19, 2019 · I want to manually set the frame height of a view in SwiftUI to the size of the safe area of the screen. var body: some View { GeometryReader { geometry in Text("My text view here") . Until now, SwiftUI sheets have only supported a single, large size, where the parent view is pushed back and the sheet takes over most of the screen. Feb 2, 2020 · We can use UIScreen. Jul 2, 2019 · Second thing - don't use AppDelegate to define things like this. height). What I am trying to do is have the width of the buttons expand to fill the width of the VStack, but this is what I get Jun 20, 2019 · Here's a pure SwiftUI solution where you want to fill the width of the parent but constrain the height to an arbitrary aspect ratio (say you want square images): Image("myImage") . For example, the following code lays out an ellipse in a fixed 200 by 100 frame. GeometryReader is the type that gives you all information about the parent view. adaptive(minimum: 150) means we want the grid to fit in as many items per row as possible, using a minimum size of 150 points each. Avoid using screen objects to make decisions about your app’s interface. The two buttons are "login" and "create account", so the "create account" button is larger. This ensures the layout remains proportional across different devices, making the app In this tutorial, I am going to show you how to get the width and height of the device screen in SwiftUI. Always specify at least one size characteristic when calling this method. 1. aspectRatio(geometry. I tried to use . height, contentMode: . One such is SwiftUI’s new support for custom sheet sizes. red) } } // The frame modifier Mar 13, 2022 · GeometryReader an API part of SwiftUI that allows us to obtain device width and height. main. red) // This is just to see how it looks like } } Oct 18, 2019 · I cannot figure out how to change the width of buttons in SwiftUI. Feb 21, 2024 · Although the code is only a little shorter, this is a much neater solution than using GeometryReader because we no longer need to add a second frame() modifier to stop things taking up the full screen – this scroll view can fit alongside other parts of our SwiftUI layout without screwing things up. regular, but a single column otherwise. Oct 1, 2023 · While SwiftUI does a good job of automatically sizing these sheets, there might be times when you want a sheet to take up only half of the screen. May 4, 2023 · Make a VStack fill the width of the screen in SwiftUI - To make a VStack fill the screen width in SwiftUI, you can use the frame modifier with a maxWidth parameter set to . frame(width: 200, height: 200). This is happening because SwiftUI displays images at their natural size by default, meaning Nov 28, 2019 · I'm using SwiftUI to develop a people list page, the iPhone X screen is big enough but the titles are out of the screen in iPhone 8: iPhone X: However in iPhone 8 or smaller screen the "Find May 8, 2023 · What are SwiftUI sheets? A sheet in SwiftUI is a presentation style that displays a new view on top of the current view. Detect Screen Size. In simple words, you have to find the screen size of the Apple device in SwiftUI. You see, in different screen sizes, it is showing Nov 28, 2020 · Image full screen width in SwiftUI. Jun 19, 2020 · Here is a possible approach if a content of scroll view does not require user interaction (as in PO question): Tested with Xcode 11. ” Rather than forcing a specific frame, SwiftUI has a dedicated containerRelativeFrame() modifier that lets us get exactly the result we want. height to obtain screen dimensions without GeometryReader. Pass nil or leave out a characteristic to indicate that the frame should adopt this view’s sizing behavior, constrained by the other non-nil arguments. Jun 16, 2023 · For example, if you wanted two views to take up half the available width on the screen, this wouldn’t be possible using hard-coded values because we don’t know ahead of time what the screen width will be. You can define a shape’s size with a modifier like frame(min Width: ideal Width: max Width: min Height: ideal Height: max Height: alignment:), or allow it to fill all available space. 6. . width - 16) . Second stage — Placing subviews; In this stage, the parent view sets layout positions and sizes for child views based on the screen area provided by SwiftUI’s layout system (calculated in the first stage) (steps 5–6 above). height' since the font point size probably shouldn't ever need to be larger than the parent's height if that's what you're trying to fit. bounds. 4 / iOS 13. height Mar 17, 2021 · By default, SwiftUI's Image views automatically size themselves to their image contents. Jun 7, 2019 · According to your needs, you can use one of the following examples to align your VStack with top leading constraints and a full size frame. May 19, 2022 · Is it possible to make the Image below touch the left and right side of the screen? I am using Form for my app settings, but I would like to add a full-width section there (think eg. Feb 21, 2024 · That's not going to lay out well at all, because the containerRelativeFrame() will read the whole screen width for its size, meaning that image will be 80% the screen width despite 200 points of the screen being a text view. So you can use GeometryReader like:. self) { item in Text(item) . struct ContentView: View {var body: some View {Image ("donuts")}} The image will render at its actual size, which is larger than the device, so you will only see a portion of it. This restores the grid to the width that the text and images require: To make a cell span a specific number of columns rather than the whole grid, use the grid Cell Columns(_:) modifier on a view that’s contained inside a Grid Row. Before iOS 16: struct GeometryReaderHStack: View { var body: some View { GeometryReader { geometry in HStack Nov 16, 2022 · SwiftUI get Screen size in multiplatform. Views are how SwiftUI represents our app’s user interface on the screen, and we can add custom layout and logic in there. I have already attempted: using . width / geometry. It may be worth adding that GeometryReader results reflect size of the container, that will differ from what UIScreen returns Aug 30, 2019 · Finally I can directly get the window size in any SwiftUI view, and it changes dynamically (on device rotation or window resizing on macOS): @Environment(\. border(Color. The size of window is content-defined, so you need to specify root content view frame, and to disallow window position saving you need to remove setFrameAutosaveName, as a result your AppDelegate should look like the following. ugdlidozdeenzrzqjkewtynjlrzakniwrpixhnfnuinmi