Swiftui change sheet background color. green // <- or any other Color/Gradient/View you want.

gray)) The optional here makes this a bit messy. 0). if the name of the image ends in "Template", use the image as a template, otherwise render it as the original image. Is there a better way to have a background cover the entire view without sacrificing the safe zone coverage for the inner content? Sep 6, 2019 · 2. tint(Color) changes the current progress color while . drawsBackground = true. Pretty easy to implement, right? P resenting on change of the object value A material isn’t a view, but adding a material is like inserting a translucent layer between the modified view and its background: The blurring effect provided by the material isn’t simple opacity. blue]), startPoint: . Mar 6, 2020 · I saw this question but it doesn't work in SwiftUI. presentationBackground modifier. Here’s an example to demonstrate how it’s done: Jun 28, 2020 · By setting the value of showSettingsView you can decide whether to show or hide SettingsView. yellow) } } Jul 7, 2019 · So the best answer I've seen for now that actually changes the underlying background color of the NavigationView (in OP's original question) is just setting the background color on the UIView appearance, as eluded to in this answer: UIView. Jul 25, 2023 · Customize SwiftUI VStack Background. systemBackground)) (umayanga's answer). isEnabled) var isEnabled let backgroundColor: Color func body (content: Content) -> some View May 2, 2021 · I have been told that I should change the background color of my ScrollView and set my view's background as clear. navigationBar, . scrollContentBackground(. var label = "". Do any of you have a solution? Jan 15, 2024 · 2. If item changes, the system dismisses the sheet and replaces it with a new one using the same process. onDismiss. The background() modifier is your go-to function for this purpose. I will also give you examples of how to change section headers and footers. Or, if you want to apply it to every row in the Form, wrap everything in a Group and apply the modifier to it: Form {. You can use any color or even gradients Mar 29, 2022 · 1. toolbarBackground accepts two parameters. Earlier, we . Apr 30, 2024 · SwiftUI doesn’t have a dedicated modifier for displaying background colors or images, but instead lets us specify any kind of background view using its background() modifier. To change the button's color when pressed, we can utilize the . Those two pieces of code might look similar, but they yield different results because the order in which you apply modifiers matters. /// - Parameter color: Color the title should be. Version 2. page(backgroundDisplayMode: . In the end, we can add a background view to the screen, but at great costs. For example, this creates a text view with a large font, then places a 100x100 image behind it: Text("Hacking with Swift") . Feb 28, 2023 · 1. We'll call it SplashShape. Starting from iOS 15, SwiftUI introduced the tint modifier, which enables changing the cursor color in a text field. edited Sep 28, 2022 at 15:24. // Or any other color you like to color safe area with. The value that you set overrides the user’s Dark Mode selection for that presentation. static let gtSystemBG = Color("GTSystemBackground") /// Color static let systemGroupedBackground = Color(UIColor. In your NavigationView you have a VStack. Jul 20, 2020 · The effect I am trying to get to is a blur effect that when a sheet is presented, its background is blurred and partly transparent. I want that in AddTodoView using the ColorPicker I select a color, and in the ContentView this color is displayed in the background. I haven't seen many problems with putting a UIViewRepresentable on top of it. Define your color in asset catalog as usual. Dec 1, 2022 · At the time of writing, this works for List, TextEditor, and Form, so you can remove or change their background colors. All other view types will not be used and simply be ignored. leading, endPoint: . Specifies the preferred visibility of backgrounds on a bar managed by SwiftUI. isLoggedIn {. I would use a Bool instead, to indicate whether to use the background style. Ho May 28, 2023 · You can set the icon and text that is displayed for each tab with the tab item modifier: Text("Second View") . Set a new background color. indigo) Download this as an Xcode project Jul 29, 2019 · let mycolor = Color(red: r, green: g, b, opacity: o) There is nothing like this: let green = mycolor. import SwiftUI. Alternatively you can use a NavigationLink to push a new View on the navigation stack or use a sheet to present a view modally: struct ContentView: View {. I also showed how you could pass in another parameter ( isSelected ) because in your original example it looked like you may want to do things conditionally based on that as well. visible, for: . all) VStack {. The closure to execute when dismissing the sheet Jul 1, 2020 · This has the advantage that you can use it on other Views, not just Buttons. Dec 5, 2022 · This ought to be straightforward enough, but I cannot find out how to place a background behind a NavigationStack. struct ClearBackgroundView: UIViewRepresentable {. opacity(0. Let’s get started by creating a simple view. presentationBackground(. background. Using . A color used as a view expands to fill all the space it’s given, as defined by the frame of the enclosing ZStack in the above example: SwiftUI only resolves a color to a concrete value just before using it in a given environment. The sheet has a binding bool of presentAnotherView and the content of the sheet is AnotherView(). <2> Add background color to the frame view. What if you decide to load your image using some libs or pods?! It is better to change the default button style to plain using the modifier below: Feb 22, 2023 · I'm not able to change the background color of a Form in SwiftUI for iOS < 16. pink). I want to change the color for page indices and background. font(. You can use . @State var showSettingsView = false. 3 Set background color to pink with . Here, we set it to red. Instead, it uses a platform-specific blending that produces an effect that resembles heavily frosted glass. I want to design a custom view with few controls and a background image. light) // black tint on status bar. all) // <- optionally, if you want to cover the whole screen. buttonStyle() modifier. static let ui = Color. original) only works on Image views. 0" they'll introduce things (my choices include replacements for UIImagePickerController & UIActivityViewController) but for now this is what we're stuck with. var onColor = Color(UIColor. Jul 10, 2019 · But after that, I realize that I can't change the color of this line in the same way. SwiftUI’s presentationDetents() modifier lets us create sheets that slide up from the bottom of our view, but occupy only part of the screen – how much is down to us, and we have as much or as little control as we want. preferredColorScheme(. gtSystemBG) /// Type 'UIColor' has no member 'gtSystemBG' Aug 1, 2019 · Is there a way I can specify the background color of the view used to display a sheet in SwiftUI? I know I can set . all) . 0 Change background color of SwiftUI List View. 6)) In this example, the VStack has a custom color background created using Getting Started. presentationBackground(Color. func makeUIView(context: Context) -> some UIView {. Text("Hello") Text("SwiftUI") } . SwiftUI detects when the condition changes Nov 23, 2022 · I have a TabView defined with . red. 4 applying . tabBar) } } . I know it sounds odd, but that's how the framework has been designed. Text("This is a ZStack") } The Color. I also could use . background modifier in SwiftUI like this. Default Sheet Background. With the help of extension, you can clear the default background Color of the NSTextView class and then use . 15. In order to set a background color, we can add a Color view. Maybe - maybe - next year with "SwiftUI 2. Oct 28, 2019 · iOS 13. This is the key part. So you can use it like any other View. So I need to change it - here is the final code and result: Mar 30, 2020 · It’s super easy to tell the layout engine to ignore the safe area by adding one modifier to our Color: Color . foregroundStyle(. But it is declared as open though, so you can do something like: class MyColor: UIColor {. xcassets file like in the picture below. In case you need to set up accent color for entire app with SwiftUI interface, you just need to define AccentColor in Assets. FormView() . I tried . It should be the first child of the ZStack to act as the background. all) modifier. UITableViewCell. struct MyButtonModifier: ViewModifier { @Environment (\. Sep 9, 2023 · Text("Third"). map(AnyShapeStyle. 2 Set text color to white with . ZStack(alignment: . Dec 29, 2022 · Here is an example where I tried to replicate a bordered prominent style with my custom label. /// These could be anywhere before the list has loaded. ZStack {. gtSystemBG) won't (you defined gtSystemBG as a Color, not UIColor). <100) { i in Text("Example \(i)") } . scaleEffect(…) to make your background view take more space. background(. Sep 15, 2021 · I tried something similar to this solution: Modifying Toolbar, but it does not allow me to change the color of the navigation bar. I wrote this so far : Text("TAP ME") . pdf ), set up Image Set → Render as → Template Image. pickerStyle(SegmentedPickerStyle()) . 7 How to change a background color in whole App? 0 SwiftUI: background color for whole screen and not simple view? 3 Dec 14, 2023 · 1. Adding Interaction with Pressed Color. Color. SwiftUI allows you to create custom colors if the predefined ones do not fit your needs. struct ContentView: View {. //if login. 3. presentationBackground. I deleted the Textfieldstyle and the behavior is still there. TabBar icons will get it without any additional code. This can go in the init of the view, however this affects every List and Form. continuous) . red) This covers the whole view in the background color, which is the behavior I want, but the Text is now also ignoring the safe zones. 2, green: 0. ToolbarPlacement: The bars to place the style in. 5)) } This results in most of the Form fully styled: Apr 1, 2020 · It makes the background of the sheet transparent while allowing the content to be sized as needed to appear as if it's the only part of the sheet. open override var frame: CGRect {. Works in macOS as requested, but apparently not in iOS. self) { intervals in. I can only modify a sheet's content background. It always takes default form backgroundcolor depending on which color scheme is selected in the iPhone settings. Text("Item 1") Text("Item 2") Text("Item 3") } Oct 9, 2020 · 3. Here is the sample code: Aug 1, 2021 · I am new to swiftUI, I have 2 views. Button(action: {. Oct 9, 2020 · SwiftUI 3. Instead you can use a ZStack and add a background below your VStack. backgroundColor = UIColor. When item is non- nil, the system passes the item’s content to the modifier’s closure. Jul 24, 2019 · The navigationLink acts like Button and it gets the default button style with blue color. Text (item. strokeBorder(Color. Because SwiftUI is a declarative framework, you don’t call a method at the moment you want to present the modal. However if you want different background colors you can set the default to clear, and set the background color in swiftui views like so: List {. Make sure you apply toolbarBackground to a child view, not a TabView. 3) . So I will use @atineoSE answer. ProgressView(value: progress, total: 1. 2. Thanks. @State private var progress: Double = 0. ProgressView(value: summary. fullScreenCover Apr 11, 2020 · If you change the brightness and/or saturation of the tinting color, you'll get different results. Alternatively, you could use SwiftUI-Introspect to customise a single one by doing something like: Dec 26, 2023 · To change the background color of a SwiftUI List in iOS 15, you can use the `. Aug 17, 2021 · As soon as i click in the textfield, it shows a gray background. Sep 15, 2023 · Customize the Color. Mar 25, 2021 · Inside CustomButtonStyle, I use a ternary expression to set the color of the background RoundedRectangle based on configuration. For example, this removes the default background for a list and replaces with an indigo color: List(0. medium, . system(size: 48)) . backgroundColor = . It should look like a watermark for the screen. You cannot modify it directly systemBackground because it is declared as a read-only class property. presentationDetents([. constant("text")) . large]) . background(AddTodoView(). And then edit the background color when the navigationLink is selected. ratio) . Wrap your conditions inside the withAnimation {} will automatically apply animation to all the related Views to these conditions/data. green // <- or any other Color/Gradient/View you want. tint(. For example: ZStack { . We can do this with the new view modifier, . circle") } In the above example, I am using Label, but you can also use a Text or Image view. tag(2) . always)). 2. This solution works for navigationBarTitleDisplayMode "large", but Feb 1, 2023 · In this blog post, I will show you how to customize the SwiftUI List style: hide separators, change separator colors, adjust the list background color, and the background color of individual cells. Nikolay Suvandzhiev. 8,754 6 43 49. title) } Oct 13, 2022 · To change a tab bar background color in SwiftUI, you apply toolbarBackground modifier to the child view of TabView. This means that if you had a view that you wanted to show in a sheet Customizing the Background of SwiftUI Bottom Sheet. systemRed. systemGray5) var thumbColor = Color. MainView() //} else {. answered May 21, 2022 at 16:22. Now the button will have a blue background color when displayed. This is the function we'll be using to create the various animations. foregroundColor(Color. headline) . Jun 8, 2019 · 25. 8, blue: 0. background(Color(red: 0. ignoresSafeArea (. Mar 5, 2023 · Text(text) . ContentView . This enables a context-dependent appearance for system defined colors, or those that you load from an Asset Catalog. For example, the following code changes the background color of a list to blue: List (/* items */) { item in. blue @State private var backgroundColor: UIColor? NavigationStack provides easiest way to add Navbar in SwiftUI apps. blue view will be displayed behind the Text view, acting as a background. clear) Thanks. Aug 31, 2019 · selectedSegmentTintColor is available since beta 3 for changing the color of the selected segment. clear) makes the . Longer answer: you can create a custom GroupBoxStyle (see example) which will allow you to change the background but at the cost of having to then manually layout the contents (which somewhat defeats the purpose). black) edited Feb 15 at 9:25. I am learning SwiftUI, I want change navigation Title Color. All you need to do is to embed a modifier called presentationDetents in a Sheet view. edited Mar 7, 2022 at 16:00. All solution I found here to set the UITableView. . The `. Group {. You can provide multiple placements to customize multiple bars at once, as in the following example: TabView { NavigationView { ContentView() . SwiftUI provides built-in button styles like DefaultButtonStyle, PlainButtonStyle, and BorderlessButtonStyle. On visionOS, the default glass window background can only be created using glassBackgroundEffect. Changing text color of datepicker I tried . I believe this will change the color scheme entirely, not just the status Sep 4, 2020 · From iOS 16. The other solution I tried was this: Creating navigationBarColor function, which is based on: NAVIGATIONVIEW DYNAMIC BACKGROUND COLOR IN SWIFTUI. Aug 25, 2023 · In iOS 16. self. 5. You can use AnyShapeStyle to erase the types, converting both Color and BackgroundStyle to AnyShapeStyle. 1. All SwiftUI's List s are backed by a UITableView in iOS. Sep 29, 2019 · @SzymonW, glad to help. The background color fill the entire space. Jul 15, 2023 · Basics: Set the Background Color. However, there is a simple workaround: Create a custom view with the desired background color and remember to apply the . appearance (). }. The background image should cover the complete view. But realize that set the UITabBar. Background Color. } } And use it like MyColor. white). foregroundColor(. 4 Set corner radius with . With just a few lines of code, you can make Dec 1, 2022 · New in iOS 16. teal. With NavigationView, it was simply a matter of embedding in a ZStack with the background view called before the NavigationView (as described in an older post: How change background color if using NavigationView in SwiftUI? To draw attention to an important, narrowly scoped task, you display a modal presentation, like an alert, popover, sheet, or confirmation dialog. So it will be like: UISegmentedControl. You can define a color using RGB values as follows: VStack {. – Then we can use the background() modifier with a specific color to change the color of the sheet. clear //<<here clear. In the code: Or: You can add the "Template" suffix and set "Rednder as default". none. systemBackground. I would like to create a button with a rounded rectangle view with a border, and a background color. white) Download this as an Xcode project. Rather, you define how the presentation looks and the condition under which SwiftUI should present Dec 10, 2021 · 1. selectionStyle = . struct ColoredToggleStyle: ToggleStyle {. white) but that doesn't do anything. My code basically looks like this with some stuff removed for readability: var body: some View {. hidden) . Button("Open Popover") {. ignoresSafeArea() Text("Using ZStack") The Jul 6, 2022 · In iOS 16, we finally got a native way to change the background color of a list view in SwiftUI. Result. Jun 10, 2020 · If you set the background color to white because that's the default background color, and you want the system to be able to update it when the user switches to dark mode, change . Using the above and this as inspiration, I landed on: import SwiftUI. I'm working with Xcode 11. all) And there you go, full screen background color! Now just throw that Color into a ZStack as the first item and you can build everything else out on top of it. It matches the default background of a window: a wallpaper-tinted light gray in the light appearance and a wallpaper-tinted dark gray in the dark appearance. We will set navigationTitle and navigationBarTitleDisplayMode for the view as well. For changing the background color, I think the current method most people, and myself, are using is using a ZStack. accentColor. background ()` modifier. red, Color. blue, lineWidth: 1) May 1, 2024 · 1. answered Aug 20, 2019 at 17:48. import SwiftUI struct ContentView: View { // State variable to control the visibility of the sheet @State private var showSheet = false var body: some View { // Button to trigger the sheet presentation Button("Show Sheet") { // Toggle the Use presentation modifiers to show different kinds of modal presentations, like alerts, popovers, sheets, and confirmation dialogs. background ()` modifier takes a `Color` value as its argument. Jun 16, 2023 · And this adds system default padding then sets a red background color and a white foreground: Text("Hacking with Swift") . background() changes the background of the progress view. Color is conformed to View. Utilize one of the available libraries to implement a Oct 11, 2020 · 28. progressViewStyle modifier. background(Color(UIColor. Apr 19, 2021 · Text("Hello, SwiftUI!") <1> Create a flexible frame that occupied the whole space. padding() . Works great on the iPad. 4, we can configure bottom sheets further with additional modifiers around presentationDetent. accentColor but they don't change the texts' color. If you want to make a transparent background just for one sheet: @State private var isPresented = false. toolbarBackground( . edgesIgnoringSafeArea to fill the area, but I'd prefer not to mess with that. allCases @State private var selectedItem: ColorEnum = ColorEnum. VStack {. cornerRadius(10). normal state (unselected). popoverVisible = true. blue. presentationBackground (_ style: S) with colours and blurs ( material types ). However, for custom button colors during Dec 31, 2020 · 1. forgroundColor and . I took a slightly different approach; I wanted to change only the title text color, and nothing else about the NavigationBar. The key to our background color changing magic is going to be creating our own custom SwiftUI Shape struct. With the new presentationBackground modifier, you can now change the background color of the sheet like this:. To change the color, you can use the . white) . For example, you can create a Path that outlines a trapezoid: Then you can use that shape as a background for a Label: Without the background modifier, the fill color shows through the label. I believe you can do it by making your FormView background transparent, rather than the newer . Use the background modifier to change the button's background color. We can add background color with presentationBackground 9. tabItem { Label("Tab 2", systemImage: "2. standardAppearance will totally override my previous customization. This implementation reduces the opacity of the button background color so no need for a new style to be injected. sheet or . yellow) By applying a background material type, you can create a blur effect to the sheet. Is it possible to change the background color from secondary to another color or image? If yes, how would I do that? This is my code: Oct 2, 2023 · In this blog post, we’ll explore how to set a transparent background for a sheet in SwiftUI using the . In your code, find a place to define your color as a variable, in my case it'll be something like this: extension Color {. @Jordan I considered the sidenote also, but because i want to get used to swiftUi, i was looking only for SwiftUI solutions. 1 and catalina 10. We have to modify our layout to occupy the whole space. blue) RoundedRectangle(cornerRadius: 50, style: . background(background. @State private var isLoading = false. Jul 21, 2021 · Change UIView background color in SwiftUI. return . Aug 23, 2020 · But the picker has that grayish tint around the date (See image below). This modifier behaves like background(_:in:fillStyle:), except that it always uses the background shape style to fill the specified shape. ///. Load 7 more related Apr 1, 2020 · You can then set the frame modifier for the content as needed to fit the screen without the user having to know the modal is not custom sized. For the appearance, you can see that the button has an orange background, some corner radius and a foreground color of white over some padding. I have set navigation Title using . clear also don't work. Hide the standard background of the List. Oct 25, 2020 · How to change Background Color of a View containing a List back to White in SwiftUI. Discussion. ScrollView {. In SwiftUI, you create a modal presentation using a view modifier that defines how the presentation looks and the condition under which SwiftUI presents it. 0: import SwiftUI struct ContentView: View { var items: [ColorEnum] = ColorEnum. sheet background transparent. renderingMode(. background(LinearGradient(gradient: Gradient(colors: [Color. I created a new ToggleStyle to change the three colors of the Toggle (on color, off color, and the thumb). // Use default background color based on light/dark mode. Jun 1, 2021 · VStack { Text("Foo") } . Try the following: NavigationView {. However I can't change the sheet's background. red) . greenComponent() Instead, you need to check variable g (the variable you used to create the color): let green = g. Using the AWESOME answer from @Asperi that I have been trying to find all day, I have built a simple view modifier that can now be applied inside a . In documentation. Mar 6, 2021 · If someone's looking to color whole safe area or just parts of it, there's a simple solution: struct ContentView: View {. Is there a way to apply a background to the sheet itself? Jul 19, 2019 · 1. g. // all the controls go here, just as before. background on my view, but on iPhone X that doesn't affect the safe area. green) var offColor = Color(UIColor. ignoresSafeArea() // 1*. top) {. You can use this line to change the selection style in the init of the View. To use the modifier, provide it with a set of the sizes you want to support, like this: struct ContentView Jul 12, 2022 · 1. @State private var numberOfTaps = 0. Jun 18, 2023 · With the release of iOS 16. Nov 29, 2019 · I am new to SwiftUI. By the end of this tutorial, you will be able to describe SwiftUI lists Aug 2, 2023 · Step 2: Add a Colored Shape to ZStack. I have just posted an answer for that issue on a similar question here. page). Text("Hello World!") Jun 30, 2019 · 37. override class var systemBackground: UIColor {. sRGB, red: 0, green: 1, blue: 1, opacity: 0. Short answer: it is currently not properly supported by SwiftUI : (. It should be out like this: TextField("Title", text: . ForEach (numberOfIntervals, id: \. italic() And use it with your picker code. selected state and . <#Your View#>. listRowBackground(Color(. init) ?? AnyShapeStyle(Color. For changing the textColor, you should use setTitleTextAttributes for . trailing)) Changing the background color of a SwiftUI Segmented Picker is a simple yet effective way to enhance your app’s UI. I just want the entire background to be white. 4 it should be possible to use . Using ToggleStyle. edgesIgnoringSafeArea(. white. It shows the active index using white color, and inactive indices using gray color with a light gray background if backgroundDisplayMode is set to always like this: . This is the actual SwiftUI way. Shape structs utilize the function path(in rect: CGRect) -> Path to define what they look like. There are two steps to change the SwiftUI list background color. background(Color. I want to share an alternative way to define dynamic colors in Asset catalog, but no need to write tedious code like. init() {. Use presentationBackground to set desired background for modals (fullScreenCover, sheet, popover). On macOS, this has a unique appearance compared to the default ShapeStyle. didSet {. ShapeStyle: The style to display as the background of the bar. In this article, we will look at changing background color for NavigationStack in SwiftUI. Color("yellow") 1. ZStack { . appearance(). selectedSegmentTintColor = . Based on my extensive research, it seems impossible (without going deep into UIKit) to change the background color of your sheets. e. answered Jul 11, 2021 at 11:54. Change Cursor Color with SwiftUI. 0. cornerRadius(5) answered Nov 6, 2019 at 10:14. @State var popoverVisible = false. By default, SwiftUI sheets come with a standard background color, usually white or a system background color, depending on the device’s appearance settings (light or dark mode). From the docs: Use one of the values in ColorScheme with this modifier to set a preferred color scheme for the nearest enclosing presentation, like a popover, a sheet, or a window. UI() May 21, 2021 · Making your own color in the assets folder will work, but Color(UIColor. // Tint is B, or RGB background layer for compositing op // Image is A, or RGB foreground layer for compositing op Dec 15, 2023 · How to change navigation title color in swiftUI Hi, There. navigationTitle("Parent Login") I have tried to color of navigation title using below code. /// Sets the text color for a navigation bar title. How can I make the entire background white? Jun 23, 2022 · I'm building an app that displays PDF files with SwiftUI and PDFkit. . Aug 16, 2023 · This blog post will guide you through the process of setting a custom cursor color in SwiftUI using a simple example. backgroundColor) Feb 13, 2023 · In assets on import icon (import from *. You can use UITableView. When it’s bigger than the content of the popover, it will fill the arrow. But since Color and UIColor values are slightly different, you can get rid of the UIColor. padding(50 May 13, 2023 · Here’s an example of how to add a background color to a SwiftUI view using the ZStack view: var body: some View {. The issue with your code is you add cornerRadius inside the background modifier. red for example to set the Form 's background color to red. Applying a background color to a text view in SwiftUI is incredibly straightforward. so you need to change the background color of the tableView. red) The tint modifier allows you to set a tint color to the ProgressView. Here’s a simple example: import SwiftUI struct ContentView: View { var body: some View { Text("Hello, SwiftUI!") . dark) // white tint on status bar. indexViewStyle(. extension View {. white) to . Around the PDF file is the color gray with light theme and black with dark theme. Trust me, my background is OOP and not Reactive, and what Apple introduced is a serious paradigm change. Jul 12, 2022 · 1. Sep 16, 2019 · As other have mentioned, changing the UITableView background will affect all other lists in your app. Jul 16, 2019 · The first view in your hierarchy that uses this method will take precedence. Nov 6, 2019 · 6. Since the release of iOS 16, it's easy to create an interactive bottom sheet using SwiftUI. isPressed. backgroundColor = . From the documentation: Allows views behind the presentation to show through translucent styles. scrollContentBackground. You display this content in a sheet that you create that the system displays to the user. var body: some View {. Aug 8, 2020 · 8. PickerRow(text: intervals) this solution was tested and verified on macOS. Example. I am not sure about how to change the background color of the ScrollView. pn oi xi ir co zp av wz wl zf