Make a VStack fill the width of the screen in SwiftUI

Question

Given this code    import SwiftUI  struct ContentView   View       var body  some View           VStack alignment   leading                Text  Title                    font  title               Text  Content                    lineLimit nil                   font  body               Spacer                      background Color red            if DEBUG struct ContentView Previews   PreviewProvider       static var previews  some View           ContentView            endif   It results in this interace     How can I make the VStack fill the width of the screen even if the labels text components don t need the full width   A trick I ve found is to insert an empty HStack in the structure like so   VStack alignment   leading        HStack           Spacer             Text  Title            font  title       Text  Content            lineLimit nil           font  body       Spacer       Which yields the desired design     Is there a better way

User · Answer

An alternative stacking arrangement which works and is perhaps a bit more intuitive is the following:

struct ContentView: View {
    var body: some View {
        HStack() {
            VStack(alignment: .leading) {
                Text("Hello World")
                    .font(.title)
                Text("Another")
                    .font(.body)
                Spacer()
            }
            Spacer()
        }.background(Color.red)
    }
}

The content can also easily be re-positioned by removing the Spacer()'s if necessary.

User · Answer

A good solution and without  quot contraptions quot  is the forgotten ZStack ZStack alignment   top       Color red     VStack          Text  quot Hello World quot   font  title          Text  quot Another quot   font  body           Result

User · Answer

I know this will not work for everyone  but I thought it interesting that just adding a Divider solves for this   struct DividerTest  View   var body  some View       VStack alignment   leading            Text  Foo           Text  Bar           Divider         background Color red

User · Answer

You can do it by using GeometryReader GeometryReader Code  struct ContentView   View       var body  some View           GeometryReader   geometry in             VStack                  Text  quot Turtle Rock quot   frame width  geometry size width  height  geometry size height  alignment   topLeading  background Color red                                   Your output like

User · Answer

You can use GeometryReader in a handy extension to fill the parent  extension View       func fillParent alignment Alignment    center  - gt  some View           return GeometryReader   geometry in             self                  frame width  geometry size width                         height  geometry size height                         alignment  alignment                      so using the requested example  you get  struct ContentView   View       var body  some View           VStack alignment   leading                Text  Title                    font  title               Text  Content                    lineLimit nil                   font  body                     fillParent alignment  topLeading           background Color red             note the spacer is no longer needed

User · Answer

Try using the  frame modifier with the following options   frame minWidth  0  maxWidth   infinity  minHeight  0  maxHeight   infinity  alignment   topLeading   struct ContentView  View       var body  some View           VStack alignment   leading                Text  quot Hello World quot   font  title              Text  quot Another quot   font  body              Spacer             frame minWidth  0                  maxWidth   infinity                  minHeight  0                  maxHeight   infinity                  alignment   topLeading           background Color red           This is described as being a flexible frame  see the documentation   which will stretch to fill the whole screen  and when it has extra space it will center its contents inside of it

User · Answer

use this    edgesIgnoringSafeArea  all

User · Answer

var body  some View         VStack              CarouselView   edgesIgnoringSafeArea  all                        List                   ForEach viewModel parents    k in                     VideosRowView parent  k

User · Answer

Login Page design using SwiftUI  import SwiftUI  struct ContentView  View         State var email  String    william gmail com       State var password  String           State static var labelTitle  String            var body  some View           VStack alignment   center                 Label             Text  Login   font  largeTitle  foregroundColor  yellow  bold                 TextField             TextField  Email   text   email                   textContentType  emailAddress                   foregroundColor  blue                   frame minHeight  40                   background RoundedRectangle cornerRadius  10  foregroundColor Color green                TextField  Password   text   password    Placeholder                  textContentType  newPassword                   frame minHeight  40                   foregroundColor  blue     Text color                  background RoundedRectangle cornerRadius  10  foregroundColor Color green                  Button             Button action                                      HStack                       Image uiImage  UIImage named   Login                              renderingMode  original                           font  title                           foregroundColor  blue                      Text  Login                            font  title                           foregroundColor  white                                       font  headline                   frame minWidth  0  maxWidth   infinity                   background LinearGradient gradient  Gradient colors   Color  DarkGreen    Color  LightGreen      startPoint   leading  endPoint   trailing                    cornerRadius 40                   padding  horizontal  20                    frame width  200  height  50  alignment   center                            Spacer              padding 10                frame minWidth  0  idealWidth   infinity  maxWidth   infinity  minHeight  0  idealHeight   infinity  maxHeight   infinity  alignment   top               background Color gray             struct ContentView Previews  PreviewProvider       static var previews  some View           ContentView

User · Answer

This is what worked for me  ScrollView  optional  so more content can be added if needed  plus centered content    import SwiftUI  struct SomeView  View       var body  some View           GeometryReader   geometry in             ScrollView Axis Set horizontal                    HStack alignment   center                        ForEach 0   lt 8      in                         Text                                             frame width  geometry size width  height  50                                      MARK  - Preview   if DEBUG struct SomeView Previews  PreviewProvider       static var previews  some View           SomeView            endif      Result

User · Answer

One more alternative is to place one of the subviews inside of an HStack and place a Spacer   after it   struct ContentView   View       var body  some View           VStack alignment   leading                 HStack                   Text  Title                        font  title                       background Color yellow                  Spacer                              Text  Content                    lineLimit nil                   font  body                   background Color blue               Spacer                               background Color red            resulting in

User · Answer

With Swift 5 2 and iOS 13 4  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   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     1  Using frame minWidth idealWidth maxWidth minHeight idealHeight maxHeight alignment   method  The simplest approach is to set the frame of your VStack with maximum width and height and also pass the required alignment in frame minWidth idealWidth maxWidth minHeight idealHeight maxHeight alignment     struct ContentView  View        var body  some View           VStack alignment   leading                Text  Title                    font  title              Text  Content                    font  body                     frame              maxWidth   infinity              maxHeight   infinity              alignment   topLeading                    background Color red             As an alternative  if setting maximum frame with specific alignment for your Views is a common pattern in your code base  you can create an extension method on View for it   extension View        func fullSize alignment  Alignment    center  - gt  some View           self frame              maxWidth   infinity              maxHeight   infinity              alignment  alignment                     struct ContentView   View        var body  some View           VStack alignment   leading                Text  Title                    font  title              Text  Content                    font  body                     fullSize alignment   topLeading           background Color red               2  Using Spacers to force alignment  You can embed your VStack inside a full size HStack and use trailing and bottom Spacers to force your VStack top leading alignment   struct ContentView  View        var body  some View           HStack               VStack alignment   leading                    Text  Title                        font  title                  Text  Content                        font  body                   Spacer      VStack bottom spacer                            Spacer      HStack trailing spacer                    frame              maxWidth   infinity              maxHeight   infinity                    background Color red               3  Using a ZStack and a full size background View  This example shows how to embed your VStack inside a ZStack that has a top leading alignment  Note how the Color view is used to set maximum width and height   struct ContentView  View        var body  some View           ZStack alignment   topLeading                Color red                  frame maxWidth   infinity  maxHeight   infinity               VStack alignment   leading                    Text  Title                        font  title                  Text  Content                        font  body                                       4  Using GeometryReader  GeometryReader has the following declaration      A container view that defines its content as a function of its own size and coordinate space        This view returns a flexible preferred size to its parent layout    The code snippet below shows how to use GeometryReader to align your VStack with top leading constraints and a full size frame   struct ContentView   View        var body  some View           GeometryReader   geometryProxy in             VStack alignment   leading                    Text  Title                        font  title                  Text  Content                        font  body                             frame                  width  geometryProxy size width                  height  geometryProxy size height                  alignment   topLeading                                  background Color red               5  Using overlay   alignment   method  If you want to align your VStack with top leading constraints on top of an existing full size View  you can use overlay   alignment   method   struct ContentView  View        var body  some View           Color red              frame                  maxWidth   infinity                  maxHeight   infinity                            overlay                  VStack alignment   leading                        Text  Title                            font  title                      Text  Content                            font  body                                     alignment   topLeading                            Display

User · Answer

The simplest way I manage to solve the issue was is by using a ZStack    edgesIgnoringSafeArea  all   struct TestView   View        var body  some View           ZStack                 Color yellow edgesIgnoringSafeArea  all              VStack                   Text  Hello World

User · Answer

This is a useful bit of code   extension View       func expandable    - gt  some View           ZStack               Color clear             self                     Compare the results with and without the  expandable   modifier   Text  hello        background Color blue    -  Text  hello        expandable        background Color blue

User · Answer

There is a better way   To make the VStack fill the width of it s parent you can use a GeometryReader and set the frame    relativeWidth 1 0  should work but apparently doesn t right now   struct ContentView   View       var body  some View           GeometryReader   geometry in             VStack                   Text  test                                  frame width  geometry size width                         height  nil                         alignment   topLeading                      To make the VStack the width of the actual screen you can use UIScreen main bounds width when setting the frame instead of using a GeometryReader  but I imagine you likely wanted the width of the parent view   Also  this way has the added benefit of not adding spacing in your VStack which might happen  if you have spacing  if you added an HStack with a Spacer   as it s content to the VStack   UPDATE - THERE IS NOT A BETTER WAY   After checking out the accepted answer  I realized that the accepted answer doesn t actually work  It appears to work at first glance  but if you update the VStack to have a green background you ll notice the VStack is still the same width   struct ContentView   View       var body  some View           NavigationView               VStack alignment   leading                    Text  Hello World                        font  title                  Text  Another                        font  body                  Spacer                                      background Color green                   frame minWidth  0  maxWidth   infinity  minHeight  0  maxHeight   infinity  alignment   topLeading                   background Color red                      This is because  frame      is actually adding another view to the view hierarchy and that view ends up filling the screen  However  the VStack still does not   This issue also seems to be the same in my answer as well and can be checked using the same approach as above  putting different background colors before and after the  frame       The only way that appears to actually widen the VStack is to use spacers   struct ContentView   View       var body  some View           VStack alignment   leading                HStack                  Text  Title                        font  title                  Spacer                             Text  Content                    lineLimit nil                   font  body              Spacer                          background Color green

[ios] Make a VStack fill the width of the screen in SwiftUI

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