frame(maxWidth: 500) Since the text size already has the behavour that we want after setting a maxWidth, we can just give it a "container" by setting the background of the text to some view. what is the best way to create a view (as in the image below)? so that its width is the size of the text content and the fill, taking into account the percentage. We can also pass nil as the lineLimit parameter, asking Text to take as many rows as needed: our Text will still get truncated if SwiftUI decides that this is the right thing to do. Fixed Size Buttons The most straightforward way to set a button size is to define its width and height explicitly using the . So if the user clicks outside the TextField, the navigation works, but if they click on the text, it will let them edit the text. Instead, we manipulate the size by applying modifiers to the button’s label. topLeading) . fixedSize() And remove the frame modifier in ContentView. Text("Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. field width for "123456789", even if the content is only ";1". Mar 8, 2020 · How to make SwiftUI Buttons a fixed size? 4. 3. You can find an in-depth explanation in this article. Sep 23, 2019 · If it needs to scroll, you will need to wrap the VStack in a ScrollView. Text("Hello World!") Text("Size: (\(geo. custom("Georgia", size: 24)) Text("This is Fixed") . In the AppDelegate, the window size is defined as shown below: // --- AppDelegate. Developer. When container is tall and narrow, then text is breaking in multiple lines. But the . font() modifier. To navigate the symbols, press Up Arrow, Down Arrow, Left Arrow or Right Arrow . You can specify a fixed width like so: Text("Hello, SwiftUI!") . monospaced() var body: some View { Text("Hello, world!") . Use structs instead of classes for your data model. The following example defines four rows for a horizontal grid, each with different characteristics: struct GridItemDemo: View Jul 29, 2020 · That works, but it leaves the window fixed size and it cannot be resized, which was possible with the old approach. The following example creates a grid with two rows and two columns: Grid { GridRow { Text("Hello") Image(systemName The views you define with SwiftUI either directly contain views that SwiftUI provides, or use other custom views that contain these built-in views. A text view take space equals to its contents. swift ---. The results with Cell2 are completely Sep 7, 2023 · Here, we set the width to 800 and the height to 600, making the window size static. 1) after font. You can easily support sarunw. frame(width: 800, height: 600) } } } It will result in a window with a fixed size of 800x600 (i. top) {. Frame and fixedSize modifier. Jan 10, 2021 · Text views in SwiftUI automatically resize themselves when needed. resizable(). 0+ static func custom ( _ name : String , fixedSize : CGFloat ) -> Font If there’s no suitable font face in the same family, SwiftUI returns a default fixed-width font. Here comes an approach. if you give height then it will automatic adjust as per frame. system(size: 24) . infinity and (4) fixing the height of the HStack. When possible, try to use structs instead of classes Feb 2, 2020 · Look into GeometryReader. Jun 16, 2023 · Learn how to use frame() and fixedSize() modifiers to create two views that match their sizes regardless of their content. pink) 1 We add a pink border to show a frame of the text view. You can adjust or constrain the size, position, and alignment of a view. 0+ visionOS 1. infinity) I also end up with a smaller window. To enforce the ideal size, you have to use . In the “SwiftUI Layout — The Mystery of Size”, we explained numerous sizing concepts involved in the SwiftUI layout process. system() function here uses the system font with a specified size. Jul 16, 2023 · SwiftUI provides the . all: Shows all columns. fixedSize() 3. // Your action code here. For example, you might have a view with priority 2 and another one with priority 1, all other views still have 0 as prior Jun 26, 2019 · GeometryReader to the Rescue. At the moment I have this structure: struct TweetCell: View { var profileImage: Image var body: some View { HStack { profileImage VStack { The spacing to the next item. Essentially I have portrait/landscape images, which the portrait ones I want to display at about 600 pt tall, whereas the landscape images I want to display so the width of the image is used, so the height is whatever. SwiftUI works best with value types (such as structs) because they are easier to work with and can result in better performance. This seems to be a SwiftUI bug. Jun 8, 2019 · The only answer that kinda worked for me was applying . Use this method to specify a fixed size for a view Learn about the concept of sizing in SwiftUI, a crucial aspect of layout that may seem mysterious and unintuitive. To show/hide the description I changed navigationHeader to a func passing in whether to show or not, based on current header height. In a Multiplatform project the frame of the button has the wrong size: Button(action: {}, label: {. Strange. ContentView() . ultraLight)) Image(systemName: "checkmark. Fixed Size. frame(width: 100, height: 100) Here, we have a Circle with a fixed size of 100×100 points. Jan 29, 2020 · Even we define ideal width and height, SwiftUI doesn't respect that, as you can see in the following screenshot:. frame(width: 300, height: 300) All this works great if we want fixed-sized views, but very often you want images that automatically scale up to fill more of the screen in one or both dimensions. I tried several options, through Frame and GeometryReader, but it turns out either a view with a fixed width or for the width of the screen. – A single item with the specified fixed size. As a basic example, this creates a 2x2 grid with text reflecting where each cell with be positioned: Grid { GridRow Nov 26, 2021 · When using TextField, I want to set it on a fixed width regardless to the shown text length, e. func fixedSize(horizontal: Bool, vertical: Bool) -> some View. Jul 19, 2019 · If you want the match the dynamic width of the VStack, ie: only take the space it needs (based on the dynamic width of the child views). As the name suggests, its purpose is to find the most appropriate view among a given set of views and use it. edited Jan 9 at 0:52. class AppDelegate: NSObject, NSApplicationDelegate {. Dec 21, 2022 · SwiftUI Performance Tips. fixedSize fixes the view at its ideal size. contentSize). fixedSize 还能指定调整的方向：. At the very basic level, this is what two common usages of the frame modifier could look like: var name: String May 18, 2021 · But the solution there to change add an element to the button and change the size of that does only work in an iOS project. The app contains a main screen on which to implement grids. SwiftUI gives you multiple options for controlling window sizes in macOS applications. ScrollView {. DateEntryView(entry: start) . background () modifier on your View and pass in a color, gradient, image, or another view that you want to use as the background. Thank you! The . background(Color. @user6539552 Yes use this . Two of the most common modifiers are . 75 absolutely fixed the width issue. com Apr 29, 2020 · Learn how to use the fixed size modifier to control the growth of views in SwiftUI. system(size: 16, weight: . 0+ tvOS 14. How can I force to add two more boxes below H3 or to left of H4 box in the picture below. Nov 7, 2023 · The most direct way to size a shape in SwiftUI is by using the frame modifier, which allows you to specify an exact width and height. I couldn't get if to work with flexible size by GeometryReader, but for fixed you can do this: VStack {. Create a custom font with the given name and a fixed size that does not scale with Dynamic Type. In SwiftUI, there is no direct property or modifier available to set the size of a button. I'm have files that are a fixed size and I am trying to preview them by adding. This can be overcome by placing each child on top of a clear Rectangle in a ZStack, because a Shape will expand as much as possible. Previously the behaviour was that I would see the canvas the expected width of view. fixed (200))] Jun 26, 2021 · 3. Nov 15, 2023 · In iOS 16, SwiftUI introduces a new adaptive layout container called ViewThatFits. @State private var textHeight: Double = 20. Jun 7, 2022 · SwiftUI’s Grid view lets us create a static grid of views, with precise control over what goes into each row and column. To demonstrate how the SwiftUI grid layout works, we’ll build a reminder app. This can be achieved using the . If the text cannot fit within 200 points, it will be wrapped onto the next line. Color. I ended up using the suggested method by Mark Kang in the comments under the accepted answer, Image(uiImage: image!). You mark out individual rows using GridRow, then optionally also configure how wide each cell should be. Mar 23, 2021 · SwiftUI grid layout example. Text("Click me") . For these moments, we have several tools. font(. iOS 14. 当显示不同长度的文本时，我们的设计需要明确是否应该有一个最大的可显示行数，或者是否应该始终显示全文。. There are three core values you need to provide it: which axis you’re trying to set, how many parts you want to Jun 6, 2019 · Setting . 本文为 Eul 样章，如果您喜欢 Sep 8, 2023 · Photo by Markus Winkler on Unsplash. The size in the minor axis of one or more rows or columns in a grid layout. This does not work if had a List or ScrollView inside the sheet View. Fixed-size is the most straightforward size to understand. . On platforms that support it, people can open multiple windows from the group simultaneously. Add import ActionSheetCustomViewCard in your SwiftUI View; Define a @State var showingSheet = false state; Create the sheet view and pass any custom view Jun 4, 2019 · You can use the . Introducing SwiftUI. A view can be forced to its intrinsic size with the View/fixedSize(horizontal:vertical:) modifier in any direction, adopting hugging behavior. @njansari. Jul 14, 2022 · 3. WindowGroup {. import Cocoa. aspectRatio(image!. The frame of a text view equals the string it contains, as you can see from the pink border. Padding based on the screen size. let gridItems = [GridItem(. I just added this and the frame of the text field changed (as indicated by the blue boxes in the preview canvas). frame(width: 200) In this case, the Text view will have a width of 200 points, regardless of the length of the text. Apple. Exploring SwiftUI Sample Apps. Each grid item in the array specifies layout properties like size and spacing for the rows of a LazyHGrid or the columns of a LazyVGrid. padding(): Button(action: {. fixed (50)), GridItem (. See code examples and answers from experts and users. The first one we are going to explore is GeometryReader. See how it differs from layout priorities and how to apply it to multiline text and stacks. border(Color. gray) In the example above, the text is positioned at the top, leading corner of the frame. (The above view is with Text field). Learn how to use fixedSize(horizontal:vertical:) to fix a view at its ideal size in the specified dimensions. So, putting . fixedSize(horizontal: false, vertical: true) changed the vertical issue. Dec 22, 2023 · Fixes this view at its ideal size. Apologies if I've asked an unclear or bad question. swift. frame, . Jun 11, 2020 · The blue border wraps the text instead of taking the max width. let listRowPadding: Double = 5 // This is a guess. See examples of horizontal and vertical alignment, and compare with other solutions. lineLimit(nil) doesn't seem to be necessary in conjunction with . frame(width: 100, height: 44) You could also do this to have the frame made at its ideal size. See examples, parameters, return value, and related functions. the window inherits the fixed content size) With Xcode 14 and macOS Ventura, this is no longer the case. var body: some View Jul 2, 2019 · 45. Oct 8, 2021 · But the left side of the cell requires two rows instead of one. var window: NSWindow! Nov 5, 2020 · Major Edit to Clarify Question 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 th Oct 18, 2021 · Text ("Hello, SwiftUI!"). It allows you to get the size of the current view: var body: some View {. font Mar 26, 2023 · That's because you used . The size of the item, which is the width of a column item or the height of a row item. let columns = [GridItem (. var size: GridItem. May 5, 2020 · SwiftUI fixedsize修饰时期的神奇妙用. 0+ macOS 11. And makes perfect sense now. I'm using SwiftUI to develop a new macOS application and can't figure out how to define the window size. fill) where image is of type UIImage because Image type does not expose any size property. Jul 22, 2020 · TextEditor(text: someTextBinding) . Dec 15, 2022 · If you created project from template for macOS SwiftUI based, then all changes you need to do is in AppDelegate. // Bottom Layer. This method helps ensure that the window’s size matches the size of the content. frame() and . Depending on the user input there will not be horizontal room to show all of the texts. To make an image scales to fit the current view, we use the resizable() modifier, which resizes an image to fit available space. clear // takes all available space above. You can do this by adding the . I will display different size images in the image view (scale aspect fill). width), \(geo. Bool 值为 true 时，表示要调整该方向上的尺寸。. – Sep 12, 2023 · In this blog post, we will delve into how you can size your buttons in SwiftUI for macOS applications. fixedSize on them reduces their sizes beyond all recognition. answered Dec 26, 2023 at 0:31. system Jul 13, 2020 · So I've been trying to figure out how to find the height of an image in SwiftUI for a while now with no success. From the Apple Document, . Text("Hello, SwiftUI!") Nov 16, 2019 · The various *Stack types will try to shrink to the smallest size possible to contain their child views. Here is an example of a three-column vertical grid view with a column width of 50, 100, and 200, respectively. system(size: 20)) In the example above, the text will appear with a custom font size of 20 points. Jun 3, 2021 · As discussed in the Ambiguous Layout section, if some intrinsic dimension of the receiver cannot be determined SwiftUI will replace it with the magic value 10. Fixed frame Positions this view within an invisible frame with the specified size. }) {. VStack {. fixedSize reduces a view size to its intrinsic, or natural, size. The HStack does it job fine by ensuring all of the Text elements get equal widths and the strings are truncated. Sometimes we can replace fixedSize() with layoutPriority(1). fixed (100)), GridItem (. However, if you ask for a specific font and size, you Jun 6, 2019 · I just tested this on the lastest XCode 11 beta, beta 7. Circle() . fixedSize with (horizontal: false, vertical: true) will allow the Text to grow. Here is my code: struct CustomGridView: View {. g. The alignment parameter specifies this view’s alignment within the frame. Jul 25, 2021 · This works to make the text shrink when it gets to big, but since it has a fixed size from due to the frame, the buttons don't adapt to be the same width as the text, defeating the point of the . I needed to specify a non-nil line limit and also use the padding modifier in order to achieve multiline text. 0+ Mac Catalyst 13. fixedSize() In a SwiftUI view, I have several Text elements in a HStack. How can fix the size of view in mac in SwiftUI? 0. Maybe there is a more elegant way. Each window relies on the same root view definition, but retains its own view state. The custom view contains two image views, aligning left and right respectively. Two image views have 10 points space. infinity, maxHeight: . Size. If the text is "five lines long" and we set Jun 6, 2019 · Setting . frame() modifier. Aug 12, 2021 · 2. If not the view behavior is Mar 17, 2021 · Resizable. A Rectangle has no intrinsic size; it accepts whatever size its parent proposes. The image view resize to fit available space. fixedSize(), and its docs are here: Let’s see it in action. size, contentMode: . The only thing that would reduce the TabView properly would be to put a . I have tried using "idealSize" with the same numbers but I end up with a smaller window which I always have to resize. We've also already wrapped the view in a TimelineView and added some styling. To solve second and third roadblocks, we can think about reading font with transformEnvironment for 2nd row and apply the same font for the rest of rows. Use an array of GridItem instances to configure the layout of items in a lazy grid. @State var text = "". 0+ watchOS 7. Coordinator(self) } func makeUIView(context: Context) -> UITextView {. Layout containers like stacks and grids provide a great starting point for arranging views in your app’s user interface. minimumScaleFactor (0. Nov 1, 2023 · I have included my code and clarify my question again. font (. fixedSize() modifier hides the parent's proposed size and passes down nil as the proposed size. detailOnly: Collapses the split view to shows only the detail column. You can also add padding around a view, and indicate how the view interacts with Jan 26, 2021 · SwiftUI:Text约束. buttonStyle, Layout protocol, and . this seems to make the content behind it "jump" if that content is a bit larger. This is all as expected and as it should be. fixedSize(horizontal: false, vertical: true) to any TextView you might have that needs to calculate it's height automatically. frame() on it. fixedSize(horizontal:,vertical:) modifier to the parent VStack. lineLimit ( 3 ) This method guarantees that our text instance will not exceed the given number of rows. fixedSize, SwiftUI will completely ignore the size given by the parent and overflow it. fixedSize(horizontal: false, vertical: true) on the TextEditor (to dictate the absolute minimum height) Having another greedy control with a higher layout priority within the same container (to smoosh it to that height!) Sep 23, 2019 · If it needs to scroll, you will need to wrap the VStack in a ScrollView. Jun 12, 2019 · This question already has answers here : Adding unlimited lines in a Text (SwiftUI) (9 answers) Closed 5 years ago. Here are some tips to help you optimize the performance of your SwiftUI project —. 3 of 63 symbols inside <root> (String, fixed Size: CGFloat) Jun 16, 2023 · 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. To fix first problem we have to limit frame size for 1st and 3rd row. Now the content below the geometry reader overlaps on top of the reader content. e. ") Padded and pretty by default. When SwiftUI needs to return a size but the proposal is nil, it returns 10. Jul 18, 2022 · There are four possible values: automatic: This is the default and provides a platform suitable display mode. If the parent has a background, the layout is ruined. GeometryReader { geo in. headline) // 1. height))") And here is an example where you can drag on the screen to change the hue value: @State private var hue: CGFloat = 0. June 26, 2019 by javier. Create a two dimensional layout by initializing a Grid with a collection of GridRow structures. equalWidth. The orange background is for test purpose only. Jun 16, 2019 · 23. But I also require something like this for iOS 13 also. Jan 1, 2021 · In SwiftUI there are fixed frame and flexible frame modifiers. custom style as follows: Text("Hello, SwiftUI!") . However, there are times (many times), when we require more control over the layout of our custom views. com by checking out this sponsor. edited May 18, 2021 at 12:24. struct ContentView : View {. Jul 14, 2023 · Apart from the predefined sizes, SwiftUI also allows us to specify a custom font size. @NSApplicationMain. var body: some View {. Hacky solution. Text("Lorem ipsum dolor sit amet, consectetur adipiscing elit. fixed(150), spacing: 10, alignment: . func makeCoordinator() -> Coordinator {. dev/post/403. Feb 10, 2022 · This is a very unusual use of NavigationView, actually there might be coming other issues along the way. Here's a simple example where the background of a Text view is set to a color: Text("Hello, SwiftUI!") . We specified the exact size we wanted for the grid item. The above code compiles but now the window is resizable, with the content inhabiting an 800x600 area. custom("Georgia", fixedSize: 24)) } If you need to target iOS 13 then continue reading below… SwiftUI comes with support for all of Dynamic Type’s font sizes, all set using the . frame(idealWidth: windowSizeWidth, idealHeight: windowSizeHeight) . Reordering and reorganizing the view's layout can fix the issue, but of course that is usually not ideal. This is what we need to Jul 20, 2023 · Adjust Button Size. Sep 5, 2022 · You can learn more about frame in How to make a SwiftUI view to fill its container width and height. Jan 13, 2022 · Learn how to make SwiftUI buttons a fixed size using different methods, such as . To add new reminders or categories, you can click the Add button in the top-right. We’ll start with a project with all the boiler code already written. frame(maxHeight: 200) // you have to give it a fixed I am trying to figure out how to make UITextView size dependent on it's contents in SwiftUI. Aug 3, 2019 · You can set weights and sizes: Image(systemName: "checkmark. Jan 24, 2021 at 10:36. Example: Feb 7, 2022 · Welcome to Modifier Monday! Today’s modifier is . leading), Jul 8, 2020 · The goal is to get a UILabel integrated via UIViewRepresentable to size the same way Text does - use the available width and wrap to multiple lines to fit all the text thus increasing the height of Jun 21, 2024 · VStack { Text("This Scales") . windowResizability(. Jan 7, 2020 · The custom view width should be equal to the superview width. It is not always a bug. In both examples, you might have noticed . Setting lineLimit determines up to how many lines the Text will grow to. Text (myString). Make a text view fill its container width with frame modifier Jun 5, 2019 · How can I set a fixed size for an Image in SwiftUI? Currently my Image is really big. 3 of 62 symbols inside <root> (String, fixed Size: CGFloat) Aug 31, 2021 · The easiest solution for achieving this with TextEditor requires two things: Using . Let’s start with Text using no extra modifiers, but with a string that has a line break: var body: some View { Text("Welcome to Swiftjective-C!\nThe Shortest and least complicated domain name ever. fixedSize as . Jun 14, 2019 · There is currently a bug in SwiftUI causing the nil lineLimit to not work. Layout priority is the way to ask the SwiftUI layout system to change the order of the size proposing process. Text("Hello world!") . AI Paraphrase: Are you tired of staring at your screen, struggling to rephrase sentences, or trying to find the perfect words for your text? 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. Setting view ideal size is a way to modify the view property. fixed(width: width,height: height)) to the preview view. I say "kinda" because, by using . If you still insist on using a list, you will have to do something like the following: struct ContentView: View {. The . For Jun 8, 2019 · Original aspect ratio is 3/2 and the result becomes 1/1 which stretches the image. 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 Nov 17, 2022 · Simple fix is to add: . 0+ iPadOS 14. How to set Text View to display text in multiple lines? By default it's 1 line. a nil value is no limit. When you need to make fine adjustments, use layout view modifiers. fixedSize(). 在尝试解决SwiftUI中多行文本的问题时，您可能已经看到一些fixsize修饰符用法的示例。但是您知道确切的固定大小修饰符是做什么的吗？它是如何工作的？今天，我想谈谈固定大小修饰符背后的所有魔力。 基本 Sep 18, 2020 · func getDigitalXFontOfSize(size s : CGFloat) -> Font { return Font. – user6539552. If the text is taller than the frame, its bounds may extend beyond the bottom of the Introducing SwiftUI. You can set a maxWidth for your text using something like . The following example adds the monospaced() modifier to the default system font, then applies this font to a Text view: struct ContentView: View { let myFont = Font . fixedSize alone will allow the label to grow as far as it can. Sep 19, 2022 · Since updating to Xcode 14 the SwiftUI canvas is behaving differently. frame(width: 200, height: 30, alignment: . Overview. previewLayout(PreviewLayout. The first view in each grid row appears in the grid’s first column, the second view in the second column, and so on. circle") . Textビューで、frameモディファイアを使用して、表示する文字が長い場合、「…」のように末尾が短縮されてしまいます。. fixedSize(horizontal: false, vertical: true) does the job for me (== height is dynamic, width is static) SwiftUI - How can a 3. So replace your frame modifier in app struct with this: . doubleColumn: Shows the content and detail columns of a three-column split view or the sidebar and detail columns of a two-column split view. frame() modifier to control the size of the text view. Jun '21. In this article, we will further deepen our understanding of the SwiftUI layout mechanism by imitating the view modifiers frame and fixedSize, and demonstrate some issues to be aware of during layout through several examples. frame(width: 100, height: 100) . The most common way to present a view hierarchy in your app’s interface is with a WindowGroup, which produces a platform-specific behavior and appearance. We can see the whole image now, but it got stretched out and losing its aspect ratio, which is usually not the behavior we want. SwiftUI views determine their own size, and understanding how to modify the size of built-in views while preserving their adaptability is the best way to create a fluid layout without complicating Feb 26, 2024 · This SwiftUI view produces a star icon and a text label with a fixed size, which causes the view to go off bounds. border (Color. fixedSize . If I try (maxWidth: . resizable() . Now, let's modify the shader code to start animating our view by displacing it horizontally, and let's amplify the time by 50 so that it doesn't go as Jan 6, 2021 · 如果我们将注释处的代码打开，文本就可以完全展示了，因为 SwiftUI 会为该视图调整最理想的尺寸。. @Binding var showActionSheet: Bool. Text 的行为并不总是可以预测的:有时候，文本会在没有明显原因的情况下被截断，尽管我们有足够的处理空间 (例如在 Form 表单和 Overview. import SwiftUI. fixedSizeを使用すると、文字のサイズが固定されて短縮されずに全て表示されます。. not an expert here, but I managed to achieve the desired layout by (1) opting for the 2- VStacks -in-a- HStack alternative, (2) framing the external labels, (3) freeing them from their default vertical expansion constraint by assigning their maxHeight = . Jun 2, 2022 · Fixed size . I wrapped the UITextView in UIViewRepresentable as following: struct TextView: UIViewRepresentable {. Feb 21, 2024 · SwiftUI lets us create views with exact sizes like this: Image(. If the child view has an ideal size, then the *Stack will not expand to fill the screen. size. example) . Documentation. See full list on sarunw. NavBottomSheet() // your Nav View. fixedSize(horizontal: false, vertical: true) on the Text. It will automatic make it two line and change the font size. padding() // Add some padding around the text. custom("DigitalX", fixedSize: s); } which seems to work. 以下のように短縮されます。. If you MUST fix this now, you can wrap a UITextField: https://icalvin. scaledToFit() . ZStack(alignment: . I'm new to Stack Overflow and SwiftUI. Mar 20, 2022 · 説明. Most of the time, SwiftUI will do its Layout Magic and life will be wonderful. Nov 6, 2021 · . fixedSize function. Each image view has the same width and height (aspect ratio = 1). Example. yellow) }) swiftui. Mar 23, 2022 · Removing the second . um tm cq yh yz ca bf kw xn sr