Swiftui get view width

Swiftui get view width. fixed (50)), GridItem (. Nov 26, 2021 · When using TextField, I want to set it on a fixed width regardless to the shown text length, e. small and . It's easy to get the bounds of the screen (UIScreen. You then apply fixedSize() to the container they are in, which tells SwiftUI those views should only take up the space they need. In this example, the . Nov 18, 2021 · How to make view the size of another view in SwiftUI. Here’s how you can get the size of any view in SwiftUI using the GeometryReader. This property allows a custom view to tell its content size to the layout system without explicitly setting it. foregroundColor(. Feb 23, 2020 · The goal is to have easy access to hosting window at any level of SwiftUI view hierarchy. aspectRatio(contentMode: . edgesIgnoringSafeArea(. animate. Jan 7, 2020 · I use SwiftUI. aspectRatio(contentMode:) had no effect on the layout is because you did not make the image resizable with resizeable(). Example 1. See full list on sarunw. Key. This should wrap the view in a hosting controller, adjust the size of the hosting controller’s view to be the intrinsic content size of the SwiftUI view, clear any background color to keep the rendered image clean, then render the view into an image and send it back. Actually you don't need GeometryReader anymore. main. width } } Dec 22, 2022 · Using controlSize is a quick and easy way to control the size of a button. An example of this is in Apple's Messages app Beyond the title view you created in the previous section, you’ll add text views to contain details about the landmark, such as the name of the park and state it’s in. sheet() modifier for example so this might be why you're getting the default 0 value (in this case you have to pass it again to the contained View with . Does anyone know how to use a certain width for the sheet size? – 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): Oct 20, 2020 · I am trying to read the width of my Text depending on size of Text Font, As we know GeometryReader takes all possible given place to him, in this codes it just take himself the given frame size, th How can I access the size of a View from another View? To get the height of the "Hello world!" text, I attached a . Button(action: { // Returns a new version of self representing the same shape, but that will ask it to create its path from a rect of size (width, height). environment(\. frame() to adjust the size, but that just made it have extra padding around it. e. Apr 2, 2020 · I tried setting a custom width inside show() like this and nothing changed: vc. For instace: Oct 19, 2023 · How To: Get the size of a view in SwiftUI. SwiftUI’s visualEffect() modifier lets us read the geometry proxy for a view without using a GeometryReader, which means we can look at the size and location of a view without affecting its layout behavior. by filling it). I have already attempted: using . background modifier with an nested GeometryReader. In my case, to have the underline be the same width as the Text view. fixed (200))] A three-column vertical grid view with a column width of 50, 100, and 200, respectively. Another way to detect the current screen size is to use the GeometryReader view in SwiftUI. It should look like this: I have placed 2 Buttons inside a VStack which automatically expands to the width of the larger button. When we need space information, we have one option in SwiftUI: the GeometryReader. height' The initial font size can also be set to 'g. height). width - 16) . fill) } Jan 13, 2022 · I am trying to create 2 buttons of equal size, but the size is determined by the text inside the button. For example, the following code lays out an ellipse in a fixed 200 by 100 frame. So you can use GeometryReader like:. Doing. When the text to be displayed gets too long, the Text view just simply increase the height to account for the additional text. You may be able to represent your data with a single view such as an Image or Text view, or you may need to define a custom view to compose several views into something more complex. var body: some View { Image("page-under-construction") . width/2. height/2 How does one achieve the same result with a SwiftUI view? Because the views are defined more on the fly, I'm not sure how it would be possible to reference that frame size unless it's being set manually (which isn't the desire here). You need to create a state variable to store the width, then surround the desired view with a GeometryReader, and set the width value to the geometry inside that width. For example: /// Some UIKit view that wants to have a Jul 20, 2020 · I'm trying to get the maxHeigth of an UIHostingController-View/Content and know only the width. 88. GeometryReader is a view that fills all the available space in all directions and comes with a GeometryProxy instance, which gives us access to its container's size and coordinate space. Jun 14, 2019 · Get width of a view using in SwiftUI. Aug 10, 2019 · How to detect device rotation in SwiftUI and re-draw view components? I have a @State variable initialized to the value of UIScreen. Modified 2 years ago. Aug 30, 2019 · @Rillieux Have you wrapped the proper root View with GeometryReader?Also SwiftUI sometimes does not pass Environment variables when you're within a . child. Aug 18, 2020 · As you can see in the screenshot, the button height does not adjust to fit the text size, making it look ugly. 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. regular sizes. mainWindowSize) var mainWindowSize 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 Geometry Reader. Everything works fine but I don't know how to get the Apr 20, 2020 · Due to "hen-egg" problem in nature of GeometryReader the solution for topic question is possible only in run-time, because 1) initial height is unknown 2) it needs to calculate internal size based on all available external size 3) it needs to tight external size to calculated internal size. field width for "123456789", even if the content is only ";1". 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 Get width of a view using in SwiftUI. 8) } Typically I use the GeometryReader as a "Root" view and scale everything off of it, however you can place it inside of another view or even as an overlay to get the parent view size. When the view draws, the chatBalloonMaxWidth state is set by the onAppear callback on the GeometryReader-wrapped Rectangle Jul 15, 2019 · This will also work for multi-line text to fit the height of its parent. 2. Use control Size(_:) to override the system default size for controls in this view. width), height: \(geo. Nov 22, 2019 · SwiftUI Standard way. As your row views get more sophisticated, refactor the views into separate view structures, passing in the data that the row needs to render. struct ContentView: View { @State var animate = false var body: some View { VStack { Button(action: { withAnimation { self. preferredContentSize = CGSize(width: 400, height: vc. For example. This view will measure the size of its parent view, taking into account any scaling or rotation of the device. bounds. ScrollView { //My Content } Is this possible? I've tried a few things but nothing seems to work. The size information inside the new geometry proxy can then be stored in a temporary @State variable defined in the View. . Nov 28, 2023 · I'm trying to obtain both origin x & y relative to its parent [i. size(withAttributes: fontAttributes) return size. bounds), but I can't find a way to 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. I'd guess that you nowadays need to consider the entire screen a "canvas" for a single instance of your app. Apr 22, 2021 · SwiftUI’s built-in frame modifier can both be used to assign a static width or height to a given view, or to apply “constraints-like” bounds within which the view can grow or shrink depending on its contents and surroundings. 0. If you only specify one of the dimensions, the resulting view assumes this view’s sizing behavior in the other dimension. let columns = [GridItem (. Here is my code: May 16, 2020 · Assume you have a UIKit view that wants to decide about its own size (via intrinsicContentSize or layout constraints, the size might change). Mar 27, 2020 · How to get Text width with SwiftUI? Ask Question Asked 4 years, 5 months ago. Jun 30, 2019 · Might be a ScrollView bug. You could ensure that Geometry Reader is returning the expected 500x400 in the frame and geometry size, by adding it to the background or overlay layer. I will display different size images in the image view (scale Jul 19, 2019 · I am trying to create 2 buttons that are equal width, positioned one above the other, vertically. 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. The modifier renders the view at a location offset from the origin of the parent view, unlike an offset modifier that shifts the view from the location chosen by the parent view. For now, I'm just printing the hei Jul 2, 2019 · Second thing - don't use AppDelegate to define things like this. Using the GeometryReader, we can easily get the height and width of the screen. Just remove the line limit and change the last frame to 'height: g. Let's say I have 3 views verti This extension to String should build on Sweeper's suggestion to let you get the width of a String given a certain font:. The custom view contains two image views, aligning left and right respectively. resizable() . Jun 2, 2022 · We specified the exact size we wanted for the grid item. I want to create a PDF Document based on my view. all) Text("This is some very long text can we can see scrolls past two lines ") . In iOS you now want SceneDelegate for most everything, since for iPads you finally have multi-threading. How to get the iPhone's screen width in SwiftUI? 16. Feb 21, 2024 · SwiftUI’s GeometryReader allows us to use its size and coordinates to determine a child view’s layout, and it’s the key to creating some of the most remarkable effects in SwiftUI. The result is that SwiftUI figures out the least Jun 16, 2023 · This is best done using an extension on View, so you can call it naturally. It uses a GeometryReader as the background for the uppermost HStack in the context view — occupying the full width of said view. red) // This is just to see how it looks like } } May 28, 2020 · I want to determine the height of the content inside my (vertical) ScrollView. The two buttons are "login" and "create account", so the "create account" button is larger. Feb 2, 2020 · It allows you to get the size of the current view: struct ContentView: View { var body: some View { GeometryReader { geo in VStack { Text("Hello World!") Text("Size: (\(geo. lineLimit(nil Nov 4, 2020 · SwiftUI keeps overlay and background views in the same size as the view that you apply them. The custom view width should be equal to the superview width. clear. GeometryReader is the type that gives you all information about the parent view. so in your example, each "scene" or "instance' that you wish needs to be set to 480x300, and the best place IMHO is Apr 12, 2021 · GeometryReader { geometry in RoundedRect(cornerRadius: 5). 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. Viewed 13k times Get width of a view using in SwiftUI. frame(minWidth: 0, maxWidth: . view. intrinsicContentSize. I have attached a screenshot to try and better explain what I'm referring to. Jul 28, 2019 · I started exploring SwiftUI and I can't find a way to get a simple thing: I'd like a View to have proportional height (basically a percentage of its parent's height). background() of GeometryReader to it. I'm honestly not sure why your code doesn't work, but you can get the desired result using: struct ContentView : View { var body: some View { GeometryReader { reader in ScrollView(alwaysBounceVertical: true) { ZStack(alignment: . vertical ScrollView. Mar 25, 2021 · Here I am reading my View Size in a background process, everything works fine except than sending the un-wished value! In this down code, I used (CGSize) -> Content, and It send the exist value of Oct 18, 2019 · I cannot figure out how to change the width of buttons in SwiftUI. I'm trying to recreate a portion of the Twitter iOS app to learn SwiftUI and am wondering how to dynamically change the width of one view to be the width of another view. In this example, a view displays several typical controls at . Printing out the various named coordinateSpaces, . Now you can declare that you have a . frame(width: geometry. How do I retrieve the height of a specific view? 16. How to scale text to fit parent view with SwiftUI? 88. How can I increase the hight of the buttons, so it does not look stupid. As a result, SwiftUI moves the second text view to the right, relative to the first text view, to keep their leading guides aligned: Layout direction Jun 5, 2019 · The reason . var body: some View { GeometryReader { geometry in Text("My text view here") . frame. The label size determines the Jun 16, 2023 · On iOS, the key is to give each view you want to size an infinite maximum height or width, which will automatically make it stretch to fill all the available space. How to get the iPhone's screen width in SwiftUI? 2. cornerRadius = exampleButton. mini, . Each image view has the same width and height (aspect ratio = 1). size. Jul 2, 2019 · This example implementation is for a view which presents one entry row in a chat transcript. 87. This is different from the presentationDetents() modifier that allows us to create bottom sheets and similar – presentationSizing() is for controlling the shape of the view. Here is an example of a three-column vertical grid view with a column width of 50, 100, and 200, respectively. 0 I don't think a GeometryReader would work since that returns the available size in the parent. When creating a SwiftUI view, you describe its content, layout, and behavior in the view’s body property; however, the body property only The example above indents the second text view because the subtraction moves the second text view’s leading guide in the negative x direction, which is to the left in the view’s coordinate space. height)") } That’s it, the above program will show the height and width of the device screen. com Jun 21, 2024 · SwiftUI has a dedicated presentationSizing() modifier that gives us fine-grained control over how presented views are sized on the screen. The position modifier uses the same x, y coordinate system as the offset modifier, and similarly doesn’t influence the size of the view. Aug 2, 2019 · Your GeometryReader is not reading size of your image, but all the space which is available/which it claims. Now let’s see how it can be done in SwiftUI: GeometryReader { geo in Text("Device screen width: \(geo. Use this method to specify a fixed size for a view’s width, height, or both. mainWindowSize, main), having @Environment(\. I usually use padding and frame to control the size of a button. height * 0. width when the first appears. But you can use anything you can think of. This makes the ScrollView behave like it should, like any normal View protocol. I tried to use . infinity), using Spacer() around the button and navigationlink, us Aug 15, 2020 · Actual Rendered Size. It limits the size of GeometryReader and doesn’t allow it to grow and fill all the available space. width * 0. ScrollView has been refactored in Xcode beta 3. fixed (100)), GridItem (. Jun 16, 2023 · Updated for Xcode 16. Jul 9, 2019 · Is there any way of finding the parent view size using SwiftUI, I have had a look through the documentation and examples and it seems most (if not all) are hard coding sizes, ideally I want to find the size of the parent and then set the sub view size based on a percentage of the parents size (probably in some swift helper class or something) e. Mar 30, 2024 · NOTE 1: The intrinsicContentSize of a UIView refers to the ideal size that a view would like to occupy based on its content. font: font] let size = self. background(Color. height))") } } } } Aug 20, 2019 · There's a much simpler way to get the width of a view using GeometryReader. global, and . If you want more control over the size you have to do it in a button label. Proportional height (or width) in SwiftUI. blue) . horizontal or . animate ? 100 : 150, height: self Nov 5, 2020 · What I want: For a Text view aligned to the left or right of the screen to expand to a certain maximum width and when the text reaches that length it not go beyond that. New in iOS 17. Published on 19 Oct 2023. 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. top) { Color. toggle() } }, label: { Text("Animate") }) Rectangle() . Feb 19, 2020 · exampleButton. g. Two image views have 10 points space. local all return the same height, width, etc. I need a custom view. x -= self. Jan 13, 2020 · I don't know exactly what you need but here is a very basic example with a Rectangle that gets scaled when you tap the Button:. 113. width), \(geo. the red background view should likely have origin of say (600, 0) with size (40, 100)], as well as the view/backgrounds size [say (40, 100)]. frame(width: self. Discussion. The workaround is to get the actual rendered size via . var body: some View {. extension String { func widthOfString(usingFont font: UIFont) -> CGFloat { let fontAttributes = [NSAttributedString. This does not affect the layout properties of any views created from the shape (e. The purpose might be different - close the window, resign first responder, replace root view or Nov 17, 2022 · You can use a GeometryReader and PreferenceKey to read the size and then write it to a state variable. To learn more about this approach, take a look at “The magic of view preferences in SwiftUI” post. But as you see, you are giving up control to SwiftUI. 8, height: geometry. Jun 13, 2019 · Is there any way to get the size of a child view in SwiftUI? I'm basically looking to do the UIKit equivalent of: self. Aug 12, 2020 · Reading a view size. origin. 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. How to get Height and Width of View or Screen in SwiftUI. nxfac mrvb wysql magf xrg sgnxl olmt uhsjatl mvrtyj zpfpqh